README
tunm
2 years ago
commit
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{
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"version": 3,
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"artifactType": {
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"type": "APK",
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"kind": "Directory"
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},
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"applicationId": "com.hyperai.hyperlpr_sdk_demo",
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"variantName": "release",
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"elements": [
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{
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"type": "SINGLE",
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"filters": [],
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"attributes": [],
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"versionCode": 1,
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"versionName": "1.0",
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"outputFile": "app-release.apk"
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}
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],
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"elementType": "File"
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}
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|
Before Width: | Height: | Size: 72 KiB After Width: | Height: | Size: 72 KiB |
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<resources>
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<string name="app_name">HyperLPR3-App</string>
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<string name="app_name">HyperLPR3-Example</string>
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</resources>
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package com.hyperai.hyperlpr3;
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package com.hyperai.example.lpr3_demo;
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import org.junit.Test;
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package com.hyperai.hyperlpr_sdk_demo;
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import org.junit.Test;
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import static org.junit.Assert.*;
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/**
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* Example local unit test, which will execute on the development machine (host).
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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public class ExampleUnitTest {
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@Test
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public void addition_isCorrect() {
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assertEquals(4, 2 + 2);
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}
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}
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/build
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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile
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package com.hyperai.hyperlpr3;
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import android.content.Context;
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import androidx.test.platform.app.InstrumentationRegistry;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
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assertEquals("com.hyperai.hyperlpr3.test", appContext.getPackageName());
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}
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}
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.hyperai.hyperlpr3">
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</manifest>
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package com.hyperai.hyperlpr3;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.util.Log;
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import com.hyperai.hyperlpr3.api.APIDefine;
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import com.hyperai.hyperlpr3.bean.HyperLPRParameter;
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import com.hyperai.hyperlpr3.bean.Plate;
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import com.hyperai.hyperlpr3.core.HyperLPRCore;
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import com.hyperai.hyperlpr3.settings.TypeDefine;
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import com.hyperai.hyperlpr3.settings.SDKConfig;
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import com.hyperai.hyperlpr3.utils.SDKUtils;
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public class HyperLPR3 extends TypeDefine implements APIDefine {
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private final String TAG = "HyperLPR3-SDK";
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private final HyperLPRCore mCore;
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private boolean isInitSuccess;
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private HyperLPR3() {
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mCore = new HyperLPRCore();
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isInitSuccess = false;
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}
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private static class LazyHolder {
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private static final HyperLPR3 INSTANCE = new HyperLPR3();
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}
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public static final HyperLPR3 getInstance() {
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return LazyHolder.INSTANCE;
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}
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public void release() {
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mCore.release();
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}
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@Override
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protected void finalize() throws Throwable {
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super.finalize();
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release();
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}
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/**
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* Initialize the license plate recognition algorithm SDK
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*
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* @param context context
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* @param parameter Initialization parameter
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*/
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@Override
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public void init(Context context, HyperLPRParameter parameter) {
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if (!isInitSuccess) {
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String mResourceFolderPath = context.getExternalFilesDir(null).getAbsolutePath() + "/";
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SDKUtils.copyFilesFromAssets(context, SDKConfig.packDirName, mResourceFolderPath);
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Log.i(TAG, "resource: " + mResourceFolderPath);
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if (parameter.getModelPath() == null || "".equals(parameter.getModelPath())) {
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parameter.setModelPath(mResourceFolderPath);
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}
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mCore.createRecognizerContext(parameter);
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isInitSuccess = true;
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}
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}
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/**
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* License plate recognition interface.
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*
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* @param buf Image data buffer.
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* @param height Height of the image
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* @param width Width of the image
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* @param rotation Original data buffer rotation Angle
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* @param format Buffer data coded format
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* @return Resulting object array
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*/
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@Override
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public Plate[] plateRecognition(byte[] buf, int height, int width, int rotation, int format) {
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if (!isInitSuccess) {
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Log.e(TAG, "HyperLPR3 is uninitialized.");
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return new Plate[0];
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}
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return mCore.plateRecognitionFromBuffer(buf, height, width, rotation, format);
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}
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/**
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* License plate recognition interface.
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*
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* @param image Bitmap image
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* @param rotation Original data buffer rotation Angle
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* @param format Buffer data coded format
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* @return Resulting object array
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*/
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@Override
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public Plate[] plateRecognition(Bitmap image, int rotation, int format) {
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if (!isInitSuccess) {
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Log.e(TAG, "HyperLPR3 is uninitialized.");
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return new Plate[0];
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}
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int mWidth = image.getWidth();
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int mHeight = image.getHeight();
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int[] data = new int[image.getWidth() * image.getHeight()];
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image.getPixels(data, 0, mWidth, 0, 0, mWidth, mHeight);
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return mCore.plateRecognitionFromImage(data, mHeight, mWidth, rotation, format);
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}
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}
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package com.hyperai.hyperlpr3.api;
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import android.content.Context;
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import android.graphics.Bitmap;
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import com.hyperai.hyperlpr3.bean.HyperLPRParameter;
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import com.hyperai.hyperlpr3.bean.Plate;
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public interface APIDefine {
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/**
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* Initialize the license plate recognition algorithm SDK
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*
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* @param context context
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* @param parameter Initialization parameter
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* */
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void init(Context context, HyperLPRParameter parameter);
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/**
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* License plate recognition interface.
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*
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* @param buf Image data buffer.
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* @param height Height of the image
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* @param width Width of the image
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* @param rotation Original data buffer rotation Angle
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* @param format Buffer data coded format
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* @return Resulting object array
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*/
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Plate[] plateRecognition(byte[] buf, int height, int width, int rotation, int format);
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/**
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* License plate recognition interface.
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*
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* @param image Bitmap image
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* @param rotation Original data buffer rotation Angle
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* @param format Buffer data coded format
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* @return Resulting object array
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*/
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Plate[] plateRecognition(Bitmap image, int rotation, int format);
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}
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package com.hyperai.hyperlpr3.bean;
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import com.hyperai.hyperlpr3.settings.TypeDefine;
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public class HyperLPRParameter {
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private String modelPath;
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private int threads = 1;
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private boolean useHalf = true;
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private float boxConfThreshold = 0.25f;
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private float nmsThreshold = 0.6f;
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private float recConfidenceThreshold = 0.85f;
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private int detLevel = TypeDefine.DETECT_LEVEL_LOW;
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private int maxNum = 3;
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public HyperLPRParameter() {
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}
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public int getMaxNum() {
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return maxNum;
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}
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public HyperLPRParameter setMaxNum(int maxNum) {
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this.maxNum = maxNum;
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return this;
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}
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public String getModelPath() {
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return modelPath;
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}
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public HyperLPRParameter setModelPath(String modelPath) {
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this.modelPath = modelPath;
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return this;
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}
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public int getThreads() {
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return threads;
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}
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public HyperLPRParameter setThreads(int threads) {
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this.threads = threads;
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return this;
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}
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public boolean isUseHalf() {
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return useHalf;
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}
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public HyperLPRParameter setUseHalf(boolean useHalf) {
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this.useHalf = useHalf;
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return this;
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}
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public float getBoxConfThreshold() {
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return boxConfThreshold;
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}
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public HyperLPRParameter setBoxConfThreshold(float boxConfThreshold) {
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this.boxConfThreshold = boxConfThreshold;
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return this;
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}
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public float getNmsThreshold() {
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return nmsThreshold;
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}
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public HyperLPRParameter setNmsThreshold(float nmsThreshold) {
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this.nmsThreshold = nmsThreshold;
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return this;
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}
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public float getRecConfidenceThreshold() {
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return recConfidenceThreshold;
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}
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public HyperLPRParameter setRecConfidenceThreshold(float recConfidenceThreshold) {
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this.recConfidenceThreshold = recConfidenceThreshold;
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return this;
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}
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public int getDetLevel() {
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return detLevel;
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}
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public HyperLPRParameter setDetLevel(int detLevel) {
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this.detLevel = detLevel;
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return this;
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}
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}
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package com.hyperai.hyperlpr3.bean;
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public class Plate {
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private float x1;
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private float y1;
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private float x2;
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private float y2;
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private int type;
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private float confidence;
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private String code;
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public Plate() {};
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public float getX1() {
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return x1;
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}
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public void setX1(float x1) {
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this.x1 = x1;
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}
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public float getY1() {
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return y1;
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}
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public void setY1(float y1) {
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this.y1 = y1;
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}
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public float getX2() {
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return x2;
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}
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public void setX2(float x2) {
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this.x2 = x2;
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}
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public float getY2() {
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return y2;
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}
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public void setY2(float y2) {
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this.y2 = y2;
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}
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public int getType() {
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return type;
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}
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public void setType(int type) {
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this.type = type;
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}
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public float getConfidence() {
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return confidence;
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}
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public void setConfidence(float confidence) {
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this.confidence = confidence;
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}
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public String getCode() {
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return code;
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}
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public void setCode(String code) {
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this.code = code;
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}
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@Override
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public String toString() {
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return "Plate{" +
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"x1=" + x1 +
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", y1=" + y1 +
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", x2=" + x2 +
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", y2=" + y2 +
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", type=" + type +
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", confidence=" + confidence +
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", code='" + code + '\'' +
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'}';
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}
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}
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@ -1,57 +0,0 @@
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package com.hyperai.hyperlpr3.core;
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import android.util.Log;
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import com.hyperai.hyperlpr3.bean.HyperLPRParameter;
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import com.hyperai.hyperlpr3.bean.Plate;
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public class HyperLPRCore {
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final String TAG = "HyperLPRCore";
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static {
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System.loadLibrary("hyperlpr3");
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}
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private long ctxHandle_;
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private boolean isRunning_;
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public void createRecognizerContext(HyperLPRParameter parameter) {
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ctxHandle_ = CreateRecognizerContext(parameter);
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Log.i(TAG, "HANDLE: " + ctxHandle_);
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isRunning_ = true;
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}
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public Plate[] plateRecognitionFromBuffer(byte[] buf, int height, int width, int rotation, int format) {
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return PlateRecognitionFromBuffer(ctxHandle_, buf, height, width, rotation, format);
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}
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public Plate[] plateRecognitionFromImage(int[] buf, int height, int width, int rotation, int format) {
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return PlateRecognitionFromImage(ctxHandle_, buf, height, width, rotation, format);
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}
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public int release() {
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int ret = -1;
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if (isRunning_) {
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ret = ReleaseRecognizerContext(ctxHandle_);
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isRunning_ = false;
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ctxHandle_ = 0;
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||||
}
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return ret;
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||||
}
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// ===================Native==================
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// native void TestBuffer(String savePath, byte[] buf, int height, int width, int rotation);
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||||
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||||
native long CreateRecognizerContext(HyperLPRParameter parameterObj);
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||||
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native int ReleaseRecognizerContext(long handle);
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||||
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native Plate[] PlateRecognitionFromBuffer(long handle, byte[] buf, int height, int width, int rotation, int format);
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||||
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||||
native Plate[] PlateRecognitionFromImage(long handle, int[] buf, int height, int width, int rotation, int format);
|
||||
|
||||
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||||
}
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@ -1,7 +0,0 @@
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package com.hyperai.hyperlpr3.settings;
|
||||
|
||||
public class SDKConfig {
|
||||
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||||
public static final String packDirName = "r2_mobile";
|
||||
|
||||
}
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||||
@ -1,54 +0,0 @@
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package com.hyperai.hyperlpr3.settings;
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||||
|
||||
public class TypeDefine {
|
||||
|
||||
/** 四种情况的转角 */
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||||
public static final int CAMERA_ROTATION_0 = 0;
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||||
public static final int CAMERA_ROTATION_90 = 1;
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||||
public static final int CAMERA_ROTATION_180 = 2;
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||||
public static final int CAMERA_ROTATION_270 = 3;
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||||
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||||
/** 低开销检测模式 */
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||||
public static final int DETECT_LEVEL_LOW = 0;
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||||
/** 高开销检测模式 */
|
||||
public static final int DETECT_LEVEL_HIGH = 1;
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||||
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||||
/** Image in RGB format - RGB排列格式的图像 */
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||||
public static final int STREAM_RGB = 0;
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||||
/** Image in BGR format (Opencv Mat default) - BGR排列格式的图像(OpenCV的Mat默认) */
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||||
public static final int STREAM_BGR = 1;
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||||
/** Image in RGB with alpha channel format -带alpha通道的RGB排列格式的图像 */
|
||||
public static final int STREAM_RGBA = 2;
|
||||
/** Image in BGR with alpha channel format -带alpha通道的BGR排列格式的图像 */
|
||||
public static final int STREAM_BGRA = 3;
|
||||
/** Image in YUV NV12 format - YUV NV12排列的图像格式 */
|
||||
public static final int STREAM_YUV_NV12 = 4;
|
||||
/** Image in YUV NV21 format - YUV NV21排列的图像格式 */
|
||||
public static final int STREAM_YUV_NV21 = 5;
|
||||
|
||||
|
||||
/** 未知车牌 */
|
||||
public static final int PLATE_TYPE_UNKNOWN = -1;
|
||||
/** 蓝牌 */
|
||||
public static final int PLATE_TYPE_BLUE = 0;
|
||||
/** 黄牌单层 */
|
||||
public static final int PLATE_TYPE_YELLOW_SINGLE = 1;
|
||||
/** 白牌单层 */
|
||||
public static final int PLATE_TYPE_WHILE_SINGLE = 2;
|
||||
/** 绿牌新能源 */
|
||||
public static final int PLATE_TYPE_GREEN = 3;
|
||||
/** 黑牌港澳 */
|
||||
public static final int PLATE_TYPE_BLACK_HK_MACAO = 4;
|
||||
/** 香港单层 */
|
||||
public static final int PLATE_TYPE_HK_SINGLE = 5;
|
||||
/** 香港双层 */
|
||||
public static final int PLATE_TYPE_HK_DOUBLE = 6;
|
||||
/** 澳门单层 */
|
||||
public static final int PLATE_TYPE_MACAO_SINGLE = 7;
|
||||
/** 澳门双层 */
|
||||
public static final int PLATE_TYPE_MACAO_DOUBLE = 8;
|
||||
/** 黄牌双层 */
|
||||
public static final int PLATE_TYPE_YELLOW_DOUBLE = 9;
|
||||
|
||||
public static final String[] PLATE_TYPE_MAPS = {"蓝牌", "黄牌单层", "白牌单层", "绿牌新能源", "黑牌港澳", "香港单层", "香港双层", "澳门单层", "澳门双层", "黄牌双层"};
|
||||
}
|
||||
@ -1,129 +0,0 @@
|
||||
package com.hyperai.hyperlpr3.utils;
|
||||
|
||||
import android.content.Context;
|
||||
import android.content.res.AssetManager;
|
||||
import android.graphics.Bitmap;
|
||||
import android.graphics.BitmapFactory;
|
||||
import android.graphics.Canvas;
|
||||
import android.graphics.DashPathEffect;
|
||||
import android.graphics.Matrix;
|
||||
import android.graphics.Paint;
|
||||
import android.graphics.Path;
|
||||
import android.util.Log;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
|
||||
public class SDKUtils {
|
||||
static public void copyFilesFromAssets(Context context, String oldPath, String newPath) {
|
||||
try {
|
||||
String[] fileNames = context.getAssets().list(oldPath);
|
||||
if (fileNames.length > 0) {
|
||||
// directory
|
||||
File file = new File(newPath);
|
||||
if (!file.mkdir()) {
|
||||
Log.d("mkdir", "can't make folder");
|
||||
}
|
||||
// return false; // copy recursively
|
||||
for (String fileName : fileNames) {
|
||||
copyFilesFromAssets(context, oldPath + "/" + fileName,
|
||||
newPath + "/" + fileName);
|
||||
}
|
||||
} else {
|
||||
// file
|
||||
InputStream is = context.getAssets().open(oldPath);
|
||||
FileOutputStream fos = new FileOutputStream(new File(newPath));
|
||||
byte[] buffer = new byte[1024];
|
||||
int byteCount;
|
||||
while ((byteCount = is.read(buffer)) != -1) {
|
||||
fos.write(buffer, 0, byteCount);
|
||||
}
|
||||
fos.flush();
|
||||
is.close();
|
||||
fos.close();
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// TODO Auto-generated catch block
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
static public void mkdirsFeaturesAssets(Context context, String path, String images, String features) {
|
||||
try {
|
||||
File file = new File(path);
|
||||
File imagePath = new File(path + images);
|
||||
File featurePath = new File(path + features);
|
||||
if (!file.mkdir()) {
|
||||
Log.d("mkdir", "can't make folder: " + file);
|
||||
}
|
||||
if (!imagePath.mkdir()) {
|
||||
Log.d("mkdir", "can't make folder: " + imagePath);
|
||||
}
|
||||
if (!featurePath.mkdir()) {
|
||||
Log.d("mkdir", "can't make folder: " + featurePath);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
// TODO Auto-generated catch block
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
static public String saveBitmap(String savePath, String name, Bitmap bitmap) throws IOException {
|
||||
File f = new File(savePath, name + ".png");
|
||||
if (f.exists()) {
|
||||
f.delete();
|
||||
}
|
||||
FileOutputStream out = new FileOutputStream(f);
|
||||
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
|
||||
out.flush();
|
||||
out.close();
|
||||
return f.getAbsolutePath();
|
||||
}
|
||||
|
||||
|
||||
static public boolean cropperBitmap(Bitmap bitmap, int[] rePoints, String sdcardPath, String name) {
|
||||
int newWidth = 160;
|
||||
int newHeight = 192;
|
||||
float scaleWidth = ((float) newWidth) / bitmap.getWidth();
|
||||
float scaleHeight = ((float) newHeight) / bitmap.getHeight();
|
||||
Matrix matrix = new Matrix();
|
||||
// matrix.postTranslate()
|
||||
matrix.postScale(scaleWidth, scaleHeight);
|
||||
matrix.setScale(-1, 1);
|
||||
int px = Math.max(0, rePoints[0]);
|
||||
int py = Math.max(0, rePoints[1]);
|
||||
int w = rePoints[2] - px;
|
||||
int h = rePoints[3] - py;
|
||||
int pw = (bitmap.getWidth() - w > 0) ? w - 1 : bitmap.getWidth() - 1;
|
||||
int ph = (bitmap.getHeight() - h > 0) ? h - 1 : bitmap.getHeight() - 1;
|
||||
try {
|
||||
Bitmap crop = Bitmap.createBitmap(bitmap, px, py, pw, ph, matrix, true);
|
||||
// String sdcardPath = Environment.getExternalStorageDirectory() + File.separator + Const.root + Const.save + Const.images;
|
||||
saveBitmap(sdcardPath, name, crop);
|
||||
} catch (Exception err) {
|
||||
Log.d("crop", "ext");
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
public static Bitmap getImageFromAssetsFile(Context context, String fileName) {
|
||||
Bitmap image = null;
|
||||
AssetManager am = context.getResources().getAssets();
|
||||
try {
|
||||
InputStream is = am.open(fileName);
|
||||
image = BitmapFactory.decodeStream(is);
|
||||
is.close();
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
return image;
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
|
||||
mkdir "build"
|
||||
cd "build"
|
||||
|
||||
cmake ..
|
||||
make -j
|
||||
|
||||
ln -s ../hyperlpr3/lib/lib* .
|
||||
|
||||
Loading…
Reference in New Issue