third-party/libscan/libscan/ocr/ocr.h

@@ -5,7 +5,7 @@
 #include <tesseract/capi.h>
 
 #define MIN_OCR_WIDTH 350
-#define MIN_OCR_HEIGHT 33
+#define MIN_OCR_HEIGHT 100
 #define MIN_OCR_LEN 10
 
 #define OCR_IS_VALID_BPP(d)                                                    \
@@ -28,13 +28,7 @@ ocr_extract_text(const char *tesseract_path, const char *tesseract_lang,
     TessBaseAPI *api = TessBaseAPICreate();
     TessBaseAPIInit3(api, tesseract_path, tesseract_lang);
 
-    // https://github.com/simon987/sist2/issues/443
-    if (strstr(tesseract_lang, "chi") != NULL) {
-        TessBaseAPISetVariable(api, "preserve_interword_spaces", "1");
-    }
-
-    // TODO: add this as param?
-//    TessBaseAPISetPageSegMode(api, PSM_AUTO_OSD);
+    TessBaseAPISetPageSegMode(api, PSM_AUTO_OSD);
 
     TessBaseAPISetImage(api, img_buf, img_w, img_h, img_bpp, img_stride);
     TessBaseAPISetSourceResolution(api, img_xres);