cyy/Fairscan_cyy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Avoid detecting very small quadrilaterals

Browse Source
This commit is contained in:
Pierre-Yves Nicolas
2025-07-01 21:24:10 +02:00
parent 6ccf7081b9
commit 5e0cf451ea
1 changed files with 5 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
app/src/main/java/org/mydomain/myscan/DocumentDetection.kt
View File

@@ -27,7 +27,7 @@ import kotlin.math.abs
import kotlin.math.max import kotlin.math.max
import kotlin.math.sqrt import kotlin.math.sqrt
fun detectDocumentQuad(mask: Bitmap): Quad? { fun detectDocumentQuad(mask: Bitmap, minQuadAreaRatio: Double = 0.02): Quad? {
val mat = Mat() val mat = Mat()
Utils.bitmapToMat(mask, mat) Utils.bitmapToMat(mask, mat)
@@ -62,6 +62,10 @@ fun detectDocumentQuad(mask: Bitmap): Quad? {
} }
} }
if (maxArea < mask.width * mask.height * minQuadAreaRatio) {
return null
}
val vertices = biggest?.toList()?.map { Point(it.x.toInt(), it.y.toInt()) } val vertices = biggest?.toList()?.map { Point(it.x.toInt(), it.y.toInt()) }
return createQuad(vertices) return createQuad(vertices)
} }