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Updated test-runner; Added integration-tests for EAN; Fixed error-measure for EAN

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This commit is contained in:
Christoph Oberhofer
2015-05-17 23:39:48 +02:00
parent eb9d5ba8dc
commit d4ba4ccaae
9 changed files with 142 additions and 15 deletions
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src/barcode_reader.js
+1 -1
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@@ -29,7 +29,7 @@ define(
error = 0,
singleError = 0,
modulo = this.MODULO,
maxSingleError = 0.9;
maxSingleError = this.SINGLE_CODE_ERROR || 0.9;
for (i = 0; i < counter.length; i++) {
singleError = Math.abs(code[i] - counter[i]);
src/bresenham.js
+2 -2
View File
@@ -162,9 +162,9 @@ define(["cv_utils", "image_wrapper"], function(CVUtils, ImageWrapper) {
// iterate over extrema and convert to binary based on avg between minmax
for ( i = 1; i < extrema.length - 1; i++) {
if (extrema[i + 1].val > extrema[i].val) {
threshold = (extrema[i].val + (extrema[i + 1].val - extrema[i].val) / 2) | 0;
threshold = (extrema[i].val + ((extrema[i + 1].val - extrema[i].val) / 3) * 2) | 0;
} else {
threshold = (extrema[i + 1].val + (extrema[i].val - extrema[i + 1].val) / 2) | 0;
threshold = (extrema[i + 1].val + ((extrema[i].val - extrema[i + 1].val) / 3)) | 0;
}
for ( j = extrema[i].pos; j < extrema[i + 1].pos; j++) {
src/ean_reader.js
+5 -3
View File
@@ -41,7 +41,9 @@ define(
[3, 1, 2, 1],
[2, 1, 1, 3]
]},
CODE_FREQUENCY : {value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26]}
CODE_FREQUENCY : {value: [0, 11, 13, 14, 19, 25, 28, 21, 22, 26]},
SINGLE_CODE_ERROR: {value: 1},
AVG_CODE_ERROR: {value: 0.5}
};
EANReader.prototype = Object.create(BarcodeReader.prototype, properties);
@@ -82,7 +84,7 @@ define(
}
}
bestMatch.end = i;
if (bestMatch.error > 0.5) {
if (bestMatch.error > self.AVG_CODE_ERROR) {
return null;
}
return bestMatch;
@@ -125,7 +127,7 @@ define(
}
if ( epsilon === undefined) {
epsilon = 0.5;
epsilon = self.AVG_CODE_ERROR;
}
for ( i = 0; i < pattern.length; i++) {