feat: add white preprocessing option in OcrWhiteLetterOnComplexBackground

2026-10-10 15:42:16 +00:00 · 2026-07-06 22:40:26 +08:00
parent 622f2a467d
commit db1a470d94
1 changed files with 5 additions and 2 deletions
@@ -427,7 +427,10 @@ class Duration(Ocr):


 class OcrWhiteLetterOnComplexBackground(Ocr):
+    white_preprocess = True
+
    def pre_process(self, image):
+        if self.white_preprocess:
            image = extract_white_letters(image, threshold=255)
            image = cv2.merge([image, image, image])
        return image