From 3fadf2de42aedb9c11861addf4dabbe149a0a10a Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Tue, 5 Dec 2023 10:17:52 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E7=A9=BA=E7=99=BD=E9=A1=B5?=
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---
 hgdriver/ImageProcess/ImageApplyDiscardBlank.cpp | 2 +-
 hgdriver/ImageProcess/ImageApplyDiscardBlank.h   | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/hgdriver/ImageProcess/ImageApplyDiscardBlank.cpp b/hgdriver/ImageProcess/ImageApplyDiscardBlank.cpp
index 70e1d0a..9b9f6ad 100644
--- a/hgdriver/ImageProcess/ImageApplyDiscardBlank.cpp
+++ b/hgdriver/ImageProcess/ImageApplyDiscardBlank.cpp
@@ -67,7 +67,7 @@ bool CImageApplyDiscardBlank::apply(const cv::Mat& pDib, double threshold, int e
 	std::vector<std::vector<cv::Point>> contours;
 	std::vector<cv::Vec4i> h1;
 	hg::findContours(threshold_img, contours, h1, cv::RETR_EXTERNAL, cv::CHAIN_APPROX_SIMPLE);
-	return true;
+
 	std::vector<cv::Point> contour;
 	for (const std::vector<cv::Point>& sub : contours)
 		for (const cv::Point& p : sub)
diff --git a/hgdriver/ImageProcess/ImageApplyDiscardBlank.h b/hgdriver/ImageProcess/ImageApplyDiscardBlank.h
index 1515c69..a6149fe 100644
--- a/hgdriver/ImageProcess/ImageApplyDiscardBlank.h
+++ b/hgdriver/ImageProcess/ImageApplyDiscardBlank.h
@@ -26,7 +26,8 @@
 				 2023/11/04 v1.7.1 增加PNG二值化文件大小判断空白页的选项
 				 2023/12/01 v1.8   取消JPEG/PNG文件大小判断空白页方案
 				 2023/12/04 v1.9   提高算法效率。
- * 版本号：v1.9
+				 2023/12/05 v1.9.1 修改错误代码；修改参数注释。
+ * 版本号：v1.9.1
 
  * ====================================================
  */
@@ -46,9 +47,9 @@ public:
 	/// <param name="threshold">轮廓阈值。取值范围[0, 255]</param>
 	/// <param name="edge">边缘缩进。取值范围[0, +∞]</param>
 	/// <param name="devTh">笔迹判定阈值。该阈值越低，越容易判定存在笔迹。取值范围[0, +∞]</param>
-	/// <param name="meanTh">文稿底色阈值。低于该阈值的文稿底色，直接视为非空白页。取值范围[0, 255]</param>
+	/// <param name="meanTh">文稿底色阈值。低于该阈值的文稿底色，直接视为非空白页(当为0时，纯色文稿底色不作为判定条件；当为255时，纯色文稿均为非空白页)。取值范围[0, 255]</param>
 	/// <param name="dilate">忽略纸张杂点。取值3、5、7、9...</param>
-	CImageApplyDiscardBlank(double threshold = 40, int edge = 50, double devTh = 30, double meanTh = 200, int dilate = 3);
+	CImageApplyDiscardBlank(double threshold = 40, int edge = 50, double devTh = 30, double meanTh = 0, int dilate = 3);
 
 	virtual ~CImageApplyDiscardBlank(void);