bugfix to opencv normalization for 8-bit images

mattaq31 · Sep 8, 2024 · a221cea · a221cea
1 parent 1e2faac
commit a221cea
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diff --git a/qupath-gelgenie/build.gradle b/qupath-gelgenie/build.gradle
@@ -11,7 +11,7 @@ plugins {
 
 ext.moduleName = 'io.github.qupath.extension.gelgenie'
 
-version = "1.0.2"
+version = "1.0.3"
 description = 'QuPath extension to directly run and interface with GelGenie models.'
 
 // The default 'gradle.ext.qupathVersion' reads this from settings.gradle.

diff --git a/qupath-gelgenie/src/main/java/qupath/ext/gelgenie/models/ModelRunner.java b/qupath-gelgenie/src/main/java/qupath/ext/gelgenie/models/ModelRunner.java
@@ -196,6 +196,7 @@ private static Collection<PathObject> runOpenCVModel(GelGenieModel model, ImageD
             // for 8-bit images, normalizing by dividing by 255 works in all cases
             if (image.getType() == BufferedImage.TYPE_BYTE_GRAY) {
                 convertedImage = OpenCVTools.imageToMat(image);
+                convertedImage.convertTo(convertedImage, CvType.CV_32F);
                 opencv_core.dividePut(convertedImage, 255.0);
             }
             // however, for other cases, normalizing by the max bit value could be problematic since it may be