diff --git a/build2/qt/HGImgProc/HGImgProc.def b/build2/qt/HGImgProc/HGImgProc.def
index 2ab94383..a460cc7e 100644
--- a/build2/qt/HGImgProc/HGImgProc.def
+++ b/build2/qt/HGImgProc/HGImgProc.def
@@ -8,6 +8,7 @@ HGImgProc_ImageAutoCrop
 HGImgProc_ImageBlankCheck
 HGImgProc_ImageDrawLine
 HGImgProc_AddImageWatermark
+HGImgProc_ImageBinarization
 HGImgProc_ImageFadeBkColor
 HGImgProc_ImageDecontamination
 
diff --git a/modules/imgproc/HGImgProc.cpp b/modules/imgproc/HGImgProc.cpp
index bd6ee207..2f1c16ee 100644
--- a/modules/imgproc/HGImgProc.cpp
+++ b/modules/imgproc/HGImgProc.cpp
@@ -493,7 +493,6 @@ HGResult HGAPI HGImgProc_AddImageWatermark(HGImage image, const HGChar* text, HG
 	return ret;
 }
 
-#if 0
 HGResult HGAPI HGImgProc_ImageBinarization(HGImage image, HGImage destImage, HGUInt thresholdType,
 	HGInt threshold, HGInt blockSize, HGInt constant)
 {
@@ -627,6 +626,7 @@ HGResult HGAPI HGImgProc_ImageBinarization(HGImage image, HGImage destImage, HGU
 	return HGBASE_ERR_OK;
 }
 
+#if 0
 HGResult HGAPI HGImgProc_ImageExtractChannel(HGImage image, HGImage destImage, HGUInt channelType)
 {
 	if (NULL == image || channelType < HGIMGPROC_CHANNELTYPE_RED || channelType > HGIMGPROC_CHANNELTYPE_EXCEPT_BLUE)
diff --git a/modules/imgproc/HGImgProc.h b/modules/imgproc/HGImgProc.h
index 88447598..72c0b67b 100644
--- a/modules/imgproc/HGImgProc.h
+++ b/modules/imgproc/HGImgProc.h
@@ -37,6 +37,13 @@
 /* 水印位置-自定义 */
 #define HGIMGPROC_WMPOSTYPE_LOCATION	10L
 
+/* 二值化类型 */
+#define HGIMGPROC_THRESHTYPE_BINARY     1L
+#define HGIMGPROC_THRESHTYPE_OTSU       2L
+#define HGIMGPROC_THRESHTYPE_ADAPTIVE_GAUSSIAN 3L
+#define HGIMGPROC_THRESHTYPE_ADAPTIVE_MEAN 4L
+#define HGIMGPROC_THRESHTYPE_ERROR_DIFFUSION 5L
+
 /* 内部去污 */
 #define HGIMGPROC_DECOTYPE_INSIDE	1L
 /* 外部去污 */
@@ -173,6 +180,11 @@ HGEXPORT HGResult HGAPI HGImgProc_ImageDrawLine(HGImage image, HGInt x1, HGInt y
 HGEXPORT HGResult HGAPI HGImgProc_AddImageWatermark(HGImage image, const HGChar *text, HGColor color, HGUInt posType, 
 	HGInt locationX, HGInt locationY, const HGImgWatermarkFontParam *fontParam);
 
+/* 二值化
+*/
+HGEXPORT HGResult HGAPI HGImgProc_ImageBinarization(HGImage image, HGImage destImage, HGUInt thresholdType,
+    HGInt threshold, HGInt blockSize, HGInt constant);
+
 /* 消除文稿纸张底色
 * 1) image: in, 源图像句柄
 * 2) destImage: in, 目标图像句柄
@@ -202,4 +214,4 @@ HGEXPORT HGResult HGAPI HGImgProc_ImageFadeBkColor(HGImage image, HGImage destIm
 HGEXPORT HGResult HGAPI HGImgProc_ImageDecontamination(HGImage image, HGImage destImage, HGUInt decoType, HGUInt x, HGUInt y,
 	HGUInt width, HGUInt height, HGColor color);
 
-#endif /* __HGIMGPROC_H__ */
\ No newline at end of file
+#endif /* __HGIMGPROC_H__ */