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Retinex kernel sizes should depend on image size

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Pierre-Yves Nicolas
2025-09-20 18:49:18 +02:00
parent b03b2f98e2
commit c8b2659703
1 changed files with 5 additions and 1 deletions
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6
app/src/main/java/org/fairscan/app/PostProcessing.kt
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@@ -97,7 +97,11 @@ fun isColoredDocument(
} }
private fun multiScaleRetinex(img: Mat, kernelSizes: List<Double> = listOf(30.0, 500.0)): Mat { private fun multiScaleRetinex(img: Mat): Mat {
val imageSize = img.size()
val maxDim = max(imageSize.width, imageSize.height)
val kernelSizes: List<Double> = listOf(maxDim / 50, maxDim / 3)
// Convert to grayscale (1 channel) // Convert to grayscale (1 channel)
val gray = Mat() val gray = Mat()
if (img.channels() == 4) { if (img.channels() == 4) {