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Add Android Demo

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master
tunm 2 years ago
parent 554a25edaa
commit ea70bf116a
22 changed files with 317 additions and 29 deletions
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32
.idea/workspace.xml
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@ -11,13 +11,27 @@
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<change afterPath="$PROJECT_DIR$/Prj-Android/hyperlpr3/src/main/AndroidManifest.xml" afterDir="false" />
<change afterPath="$PROJECT_DIR$/Prj-Android/hyperlpr3/src/main/assets/r2_mobile/rpv3_mdict_160_r3.mnn" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/Prj-Android/app/src/main/java/com/hyperai/hyperlpr_sdk_demo/MainActivity.java" beforeDir="false" afterPath="$PROJECT_DIR$/Prj-Android/app/src/main/java/com/hyperai/hyperlpr_sdk_demo/MainActivity.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/Prj-Android/hyperlpr3/src/main/java/com/hyperai/hyperlpr3/core/HyperLPRCore.java" beforeDir="false" afterPath="$PROJECT_DIR$/Prj-Android/hyperlpr3/src/main/java/com/hyperai/hyperlpr3/core/HyperLPRCore.java" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
<change beforePath="$PROJECT_DIR$/cpp/platform/jni/android/hyperlpr_native.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/cpp/platform/jni/android/hyperlpr_native.cpp" afterDir="false" />
<change beforePath="$PROJECT_DIR$/cpp/src/context_module/hyper_lpr_context.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/cpp/src/context_module/hyper_lpr_context.cpp" afterDir="false" />
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<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
@ -64,17 +78,17 @@
<property name="cf.first.check.clang-format" value="false" />
<property name="cidr.known.project.marker" value="true" />
<property name="cmake.loaded.for.project" value="true" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/resource/models" />
<property name="last_opened_file_path" value="$PROJECT_DIR$/images" />
<property name="nodejs_package_manager_path" value="npm" />
<property name="settings.editor.selected.configurable" value="com.jetbrains.python.configuration.PyActiveSdkModuleConfigurable" />
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<recent name="$PROJECT_DIR$/images" />
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</task>
<servers />
</component>

1
Prj-Android/app/build.gradle
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@ -41,4 +41,5 @@ dependencies {
androidTestImplementation 'androidx.test.ext:junit:1.1.2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
implementation 'com.github.smuyyh:ImageSelector:3.0'
implementation 'com.github.bumptech.glide:glide:3.7.0'
}

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20
Prj-Android/app/release/output-metadata.json
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@ -0,0 +1,20 @@
{
"version": 3,
"artifactType": {
"type": "APK",
"kind": "Directory"
},
"applicationId": "com.hyperai.hyperlpr_sdk_demo",
"variantName": "release",
"elements": [
{
"type": "SINGLE",
"filters": [],
"attributes": [],
"versionCode": 1,
"versionName": "1.0",
"outputFile": "app-release.apk"
}
],
"elementType": "File"
}

8
Prj-Android/app/src/main/java/com/hyperai/hyperlpr_sdk_demo/CameraActivity.java
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@ -48,8 +48,6 @@ public class CameraActivity extends Activity {
private void initCamera() {
previewFl = findViewById(R.id.preview_fl);
plateTv = findViewById(R.id.plate_tv);
// regTv = findViewById(R.id.reg_tv);
// regTv.setOnClickListener(this);
image = findViewById(R.id.image);
cameraPreview = new CameraPreviews(this);
previewFl.addView(cameraPreview);
@ -103,10 +101,4 @@ public class CameraActivity extends Activity {
// stopPreview();
}
// @Override
// public void onClick(View v) {
// CameraPreviews cameraPreview = new CameraPreviews(this);
// previewFl.addView(cameraPreview);
// }
}

106
Prj-Android/app/src/main/java/com/hyperai/hyperlpr_sdk_demo/MainActivity.java
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@ -4,18 +4,45 @@ import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.hyperai.hyperlpr3.HyperLPR3;
import com.hyperai.hyperlpr3.bean.Parameter;
import com.hyperai.hyperlpr3.bean.Plate;
import com.yuyh.library.imgsel.ISNav;
import com.yuyh.library.imgsel.common.ImageLoader;
import com.yuyh.library.imgsel.config.ISListConfig;
import java.util.List;
public class MainActivity extends AppCompatActivity {
private Button cameraBtn;
private Button albumBtn;
private Context mCtx;
private static final int REQUEST_LIST_CODE = 0;
private static final int REQUEST_CAMERA_CODE = 1;
private final String TAG = "HyperLPR-App";
private ImageView imageView;
private TextView mResult;
HyperLPR3 hyperLPR3;
private static final int REQUEST_EXTERNAL_STORAGE = 1;
@ -45,10 +72,25 @@ public class MainActivity extends AppCompatActivity {
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mCtx = this;
cameraBtn = findViewById(R.id.cameraBtn);
albumBtn = findViewById(R.id.albumBtn);
imageView = findViewById(R.id.imageView);
mResult = findViewById(R.id.mResult);
verifyStoragePermissions(this);
Parameter parameter = new Parameter();
hyperLPR3 = new HyperLPR3(mCtx, parameter);
ISNav.getInstance().init(new ImageLoader() {
@Override
public void displayImage(Context context, String path, ImageView imageView) {
Glide.with(context).load(path).into(imageView);
}
});
cameraBtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
@ -61,8 +103,72 @@ public class MainActivity extends AppCompatActivity {
@Override
public void onClick(View view) {
// 自由配置选项
ISListConfig config = new ISListConfig.Builder()
// 是否多选, 默认true
.multiSelect(false)
// 是否记住上次选中记录, 仅当multiSelect为true的时候配置，默认为true
.rememberSelected(false)
// “确定”按钮背景色
.btnBgColor(Color.GRAY)
// “确定”按钮文字颜色
.btnTextColor(Color.BLUE)
// 使用沉浸式状态栏
.statusBarColor(Color.parseColor("#3F51B5"))
// 返回图标ResId
.backResId(androidx.appcompat.R.drawable.abc_cab_background_top_mtrl_alpha)
// 标题
.title("图片")
// 标题文字颜色
.titleColor(Color.WHITE)
// TitleBar背景色
.titleBgColor(Color.parseColor("#3F51B5"))
// 裁剪大小。needCrop为true的时候配置
.cropSize(1, 1, 200, 200)
.needCrop(false)
// 第一个是否显示相机，默认true
.needCamera(false)
// 最大选择图片数量，默认9
.maxNum(1)
.build();
// 跳转到图片选择器
ISNav.getInstance().toListActivity(mCtx, config, REQUEST_LIST_CODE);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Bitmap bitmap = null;
String showText = "";
// 图片选择结果回调
if (requestCode == REQUEST_LIST_CODE && resultCode == RESULT_OK && data != null) {
List<String> pathList = data.getStringArrayListExtra("result");
Log.i(TAG, pathList.get(0));
bitmap = BitmapFactory.decodeFile(pathList.get(0));
} else if (requestCode == REQUEST_CAMERA_CODE && resultCode == RESULT_OK && data != null) {
String path = data.getStringExtra("result");
Log.i(TAG, path);
bitmap = BitmapFactory.decodeFile(path);
}
if (bitmap != null) {
imageView.setImageBitmap(bitmap);
Plate[] plates = hyperLPR3.plateRecognition(bitmap, HyperLPR3.CAMERA_ROTATION_0, HyperLPR3.STREAM_BGRA);
for (Plate plate: plates) {
String type = "未知车牌";
if (plate.getType() != HyperLPR3.PLATE_TYPE_UNKNOWN) {
type = HyperLPR3.PLATE_TYPE_MAPS[plate.getType()];
}
String pStr = "[" + type + "]" + plate.getCode() + "\n";
showText += pStr;
mResult.setText(showText);
}
}
}
}

40
Prj-Android/app/src/main/res/layout/activity_main.xml
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@ -7,27 +7,51 @@
tools:context=".MainActivity">
<Button
android:id="@+id/cameraBtn"
android:id="@+id/albumBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="打开相机"
android:text="选择图片识别"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.2"
app:layout_constraintHorizontal_bias="0.791"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.863" />
app:layout_constraintVertical_bias="0.923" />
<Button
android:id="@+id/albumBtn"
android:id="@+id/cameraBtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="打开相册"
android:text="实时车牌识别"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.776"
app:layout_constraintHorizontal_bias="0.217"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.863" />
app:layout_constraintVertical_bias="0.923" />
<ImageView
android:id="@+id/imageView"
android:layout_width="297dp"
android:layout_height="419dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.227"
tools:srcCompat="@tools:sample/avatars" />
<TextView
android:id="@+id/mResult"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:textSize="20sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.233"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView"
app:layout_constraintVertical_bias="0.079" />
</androidx.constraintlayout.widget.ConstraintLayout>

2
Prj-Android/app/src/main/res/values/strings.xml
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@ -1,3 +1,3 @@
<resources>
<string name="app_name">HyperLPR_SDK_Demo</string>
<string name="app_name">HyperLPR3-App</string>
</resources>

16
Prj-Android/app/src/main/res/values/themes.xml
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@ -0,0 +1,16 @@
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.HyperLPR_SDK_Demo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- Primary brand color. -->
<item name="colorPrimary">@color/purple_500</item>
<item name="colorPrimaryVariant">@color/purple_700</item>
<item name="colorOnPrimary">@color/white</item>
<!-- Secondary brand color. -->
<item name="colorSecondary">@color/teal_200</item>
<item name="colorSecondaryVariant">@color/teal_700</item>
<item name="colorOnSecondary">@color/black</item>
<!-- Status bar color. -->
<item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
<!-- Customize your theme here. -->
</style>
</resources>

1
Prj-Android/build.gradle
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@ -3,7 +3,6 @@ buildscript {
repositories {
google()
mavenCentral()
maven { url "https://jitpack.io" }
}
dependencies {
classpath "com.android.tools.build:gradle:7.0.2"

1
Prj-Android/hyperlpr3/build.gradle
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@ -44,4 +44,5 @@ dependencies {
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.2'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
implementation 'com.github.smuyyh:ImageSelector:3.0'
}

5
Prj-Android/hyperlpr3/src/main/AndroidManifest.xml
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@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.hyperai.hyperlpr3">
</manifest>

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Prj-Android/hyperlpr3/src/main/java/com/hyperai/hyperlpr3/HyperLPR3.java
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@ -1,6 +1,7 @@
package com.hyperai.hyperlpr3;
import android.content.Context;
import android.graphics.Bitmap;
import android.util.Log;
import com.hyperai.hyperlpr3.api.APIDefine;
@ -60,5 +61,22 @@ public class HyperLPR3 extends TypeDefine implements APIDefine {
return mCore.plateRecognitionFromBuffer(buf, height, width, rotation, format);
}
/**
* License plate recognition interface.
*
* @param image Bitmap image
* @param rotation Original data buffer rotation Angle
* @param format Buffer data coded format
* @return Resulting object array
*/
@Override
public Plate[] plateRecognition(Bitmap image, int rotation, int format) {
int mWidth = image.getWidth();
int mHeight = image.getHeight();
int[] data = new int[image.getWidth() * image.getHeight()];
image.getPixels(data, 0, mWidth, 0, 0, mWidth, mHeight);
return mCore.plateRecognitionFromImage(data, mHeight, mWidth, rotation, format);
}
}

11
Prj-Android/hyperlpr3/src/main/java/com/hyperai/hyperlpr3/api/APIDefine.java
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@ -1,5 +1,7 @@
package com.hyperai.hyperlpr3.api;
import android.graphics.Bitmap;
import com.hyperai.hyperlpr3.bean.Plate;
public interface APIDefine {
@ -15,4 +17,13 @@ public interface APIDefine {
*/
Plate[] plateRecognition(byte[] buf, int height, int width, int rotation, int format);
/**
* License plate recognition interface.
* @param image Bitmap image
* @param rotation Original data buffer rotation Angle
* @param format Buffer data coded format
* @return Resulting object array
*/
Plate[] plateRecognition(Bitmap image, int rotation, int format);
}

8
Prj-Android/hyperlpr3/src/main/java/com/hyperai/hyperlpr3/core/HyperLPRCore.java
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@ -31,6 +31,10 @@ public class HyperLPRCore {
return PlateRecognitionFromBuffer(ctxHandle_, buf, height, width, rotation, format);
}
public Plate[] plateRecognitionFromImage(int[] buf, int height, int width, int rotation, int format) {
return PlateRecognitionFromImage(ctxHandle_, buf, height, width, rotation, format);
}
public int release() {
int ret = -1;
if (isRunning_) {
@ -50,4 +54,8 @@ public class HyperLPRCore {
native int ReleaseRecognizerContext(long handle);
native Plate[] PlateRecognitionFromBuffer(long handle, byte[] buf, int height, int width, int rotation, int format);
native Plate[] PlateRecognitionFromImage(long handle, int[] buf, int height, int width, int rotation, int format);
}

1
Prj-Android/settings.gradle
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@ -4,6 +4,7 @@ dependencyResolutionManagement {
google()
mavenCentral()
jcenter() // Warning: this repository is going to shut down soon
maven { url "https://jitpack.io" }
}
}
rootProject.name = "HyperLPR_SDK_Demo"

4
README.md
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@ -241,7 +241,9 @@ sh command/build_release_android_share.sh
### 识别测试APP（老版）
- 体验 Android APP：[http://demo.zeusee.com/HyperLPR](http://demo.zeusee.com/HyperLPR) (根据图片尺寸调整程序中的尺度，提高准确率)
- 体验 Android APP（扫码下载）：
![apk](./images/apk.png)
#### 获取帮助

70
cpp/platform/jni/android/hyperlpr_native.cpp
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@ -90,6 +90,76 @@ JNIEXPORT int JNICALL HYPERLPR_API(core_HyperLPRCore_ReleaseRecognizerContext) (
}
JNIEXPORT jobjectArray JNICALL HYPERLPR_API(core_HyperLPRCore_PlateRecognitionFromImage) (
JNIEnv *env,
jobject thiz,
jlong handle,
jintArray buf,
jint height,
jint width,
jint rotation,
jint format) {
P_HLPR_Context ctx = (P_HLPR_Context ) handle;
jint *pBuf = env->GetIntArrayElements(buf, 0);
// create ImageData
HLPR_ImageData data = {0};
data.data = (uint8_t *)pBuf;
data.width = width;
data.height = height;
data.format = HLPR_ImageFormat(format);
data.rotation = HLPR_Rotation(rotation);
// create DataBuffer
P_HLPR_DataBuffer buffer = HLPR_CreateDataBuffer(&data);
// exec plate recognition
HLPR_PlateResultList results = {0};
cost_ = (double)cv::getTickCount();
HLPR_ContextUpdateStream(ctx, buffer, &results);
cost_ = ((double)cv::getTickCount() - cost_) / cv::getTickFrequency();
LOGD("cost: %f", cost_);
jobjectArray jPlateArray = nullptr;
jclass jPlateCls = env->FindClass("com/hyperai/hyperlpr3/bean/Plate");
// get object method id
jmethodID plateClsInitId = env->GetMethodID(jPlateCls, "<init>", "()V");
jmethodID setX1MethodId = env->GetMethodID(jPlateCls, "setX1", "(F)V");
jmethodID setY1MethodId = env->GetMethodID(jPlateCls, "setY1", "(F)V");
jmethodID setX2MethodId = env->GetMethodID(jPlateCls, "setX2", "(F)V");
jmethodID setY2MethodId = env->GetMethodID(jPlateCls, "setY2", "(F)V");
// jmethodID setLayersMethodId = env->GetMethodID(jPlateCls, "setLayers", "(I)V");
jmethodID setTypeMethodId = env->GetMethodID(jPlateCls, "setType", "(I)V");
jmethodID setConfidenceMethodId = env->GetMethodID(jPlateCls, "setConfidence", "(F)V");
jmethodID setCodeMethodId = env->GetMethodID(jPlateCls, "setCode", "(Ljava/lang/String;)V");
int total = results.plate_size;
jPlateArray = env->NewObjectArray(total, jPlateCls, 0);
for (int i = 0; i < total; ++i) {
auto &plate = results.plates[i];
// set in location
jobject jPlate = env->NewObject(jPlateCls, plateClsInitId);
env->CallVoidMethod(jPlate, setX1MethodId, plate.x1);
env->CallVoidMethod(jPlate, setY1MethodId, plate.y1);
env->CallVoidMethod(jPlate, setX2MethodId, plate.x2);
env->CallVoidMethod(jPlate, setY2MethodId, plate.y2);
// set in types
// env->CallVoidMethod(jPlate, setLayersMethodId, plate.layers);
env->CallVoidMethod(jPlate, setTypeMethodId, plate.type);
// set in text_confidence
env->CallVoidMethod(jPlate, setConfidenceMethodId, plate.text_confidence);
// set in plate code
// env->CallObjectMethod(jPlate, setCodeMethodId, stringTojstring(env, plate.code));
env->CallObjectMethod(jPlate, setCodeMethodId, env->NewStringUTF(plate.code));
env->SetObjectArrayElement(jPlateArray, i, jPlate);
env->DeleteLocalRef(jPlate);
}
env->DeleteLocalRef(jPlateCls);
return jPlateArray;
}
JNIEXPORT jobjectArray JNICALL HYPERLPR_API(core_HyperLPRCore_PlateRecognitionFromBuffer) (
JNIEnv *env,
jobject thiz,

2
cpp/src/context_module/hyper_lpr_context.cpp
Unescape Escape View File

@ -88,7 +88,7 @@ void HyperLPRContext::operator()(CameraBuffer &buffer) {
// obj.color_classify = PlateColor::GREEN;
// obj.layers = loc.layers;
// LOGD("size %d", text_line.code.size());
if (text_line.code.size() >= 7) {
if (text_line.code.size() >= 8) {
obj.text_confidence = text_line.average_score;
auto type = PreGetPlateType(text_line.code);
if (type == PlateType::UNKNOWN) {

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