Here are the examples of the csharp api class com.google.zxing.pdf417.detector.Detector.patternMatchVariance(int[], int[], int) taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
1 Example
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1. Example
View licenseprivate static int[] findGuardPattern(BitMatrix matrix, int column, int row, int width, bool whiteFirst, int[] pattern) { int patternLength = pattern.Length; // TODO: Find a way to cache this array, as this method is called hundreds of times // per image, and we want to allocate as seldom as possible. int[] counters = new int[patternLength]; bool isWhite = whiteFirst; int counterPosition = 0; int patternStart = column; for (int x = column; x < column + width; x++) { bool pixel = matrix.get_Renamed(x, row); if (pixel ^ isWhite) { counters[counterPosition]++; } else { if (counterPosition == patternLength - 1) { if (patternMatchVariance(counters, pattern, MAX_INDIVIDUAL_VARIANCE) < MAX_AVG_VARIANCE) { return new int[]{patternStart, x}; } patternStart += counters[0] + counters[1]; for (int y = 2; y < patternLength; y++) { counters[y - 2] = counters[y]; } counters[patternLength - 2] = 0; counters[patternLength - 1] = 0; counterPosition--; } else { counterPosition++; } counters[counterPosition] = 1; isWhite = !isWhite; } } return null; }