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  /frameworks/base/tests/Camera2Tests/SmartCamera/SimpleCamera/src/androidx/media/filterfw/samples/simplecamera/
ImageGoodnessFilter.java 54 private float contrastVar = 0;
339 contrastVar = 0;
343 contrastVar = contrastVar * (1 - DECAY) + (contrast - contrastMean) *
345 if (contrastVar < LOW_VARIANCE) {
347 } else if (contrast < contrastMean && contrastVar > MEDIUM_VARIANCE) {
351 } else if (contrast > contrastMean && contrastVar > 100) {
353 } else if (contrast > contrastMean && contrastVar > MEDIUM_VARIANCE) {

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