From 933f00dba6e62d407a7c8627975e8dffc8122eb2 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Nicolas <6371790+pynicolas@users.noreply.github.com>
Date: Tue, 10 Feb 2026 21:42:49 +0100
Subject: [PATCH] Add missing calls to Mat.release()

---
 .../org/fairscan/imageprocessing/DocumentDetection.kt | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/imageprocessing/src/main/java/org/fairscan/imageprocessing/DocumentDetection.kt b/imageprocessing/src/main/java/org/fairscan/imageprocessing/DocumentDetection.kt
index b6ce6e3..44863e5 100644
--- a/imageprocessing/src/main/java/org/fairscan/imageprocessing/DocumentDetection.kt
+++ b/imageprocessing/src/main/java/org/fairscan/imageprocessing/DocumentDetection.kt
@@ -24,7 +24,6 @@ import org.opencv.core.MatOfPoint2f
 import org.opencv.core.Size
 import org.opencv.imgproc.Imgproc
 import kotlin.math.abs
-import kotlin.math.max
 
 interface Mask {
     val width: Int
@@ -141,14 +140,18 @@ fun extractDocument(
     )
     val transform = Imgproc.getPerspectiveTransform(srcPoints, dstPoints)
 
-    val outputMat = Mat()
+    val warped = Mat()
     val outputSize = Size(targetWidth, targetHeight)
-    Imgproc.warpPerspective(inputMat, outputMat, transform, outputSize)
+    Imgproc.warpPerspective(inputMat, warped, transform, outputSize)
 
-    val resized = resizeForMaxPixels(outputMat, maxPixels.toDouble())
+    val resized = resizeForMaxPixels(warped, maxPixels.toDouble())
     val enhanced = enhanceCapturedImage(resized, isColored)
     val rotated = rotate(enhanced, rotationDegrees)
 
+    warped.release()
+    resized.release()
+    enhanced.release()
+
     return rotated
 }