【bug修复】（黄根）红笔判分逻辑仍有部分答题卡识别不出分数的问题（使用有HSV转换而来的red_low图片作为识别判分图片，尝试解决此问题）

【工作量】5h
【评审人】

Identifier/PageIdentify.cpp

@@ -3513,11 +3513,12 @@ namespace OnLineCard{
 #define HSV_VALUE_H hsv_row_first[hsv_offset]
 #define HSV_VALUE_S hsv_row_first[hsv_offset+1]
 #define HSV_VALUE_V hsv_row_first[hsv_offset+2]
-		const int hsv_v_valve = 255 * 50 / 100;
-		const int hsv_h_max_valve = 180 * 20 / 360;
-		const int hsv_h_min_valve = 180 * 315 / 360;
+		const int hsv_v_valve = /*255 * 50 / 100*/46;
+		const int hsv_h_max_valve = /*180 * 20 / 360*/180;
+		const int hsv_h_min_valve = /*180 * 315 / 360*/156;
+		const int hsv_h_max_valve2 = /*180 * 20 / 360*/10;
 		const int hsv_s_valve_1 = /*255 * 23 / 100*/43;
-		const int hsv_s_valve_2 = 255 * 33 / 100;
+		const int hsv_s_valve_2 = /*255 * 33 / 100*/255;
 		const int hsv_valve_high = 255 * (23 + 70) / 100;
 		const int hsv_valve_low = 255 * (13 + 60) / 100;
 		for (int y = 0; y<h; y++)
@@ -3529,7 +3530,7 @@ namespace OnLineCard{
 			unsigned char * black_row_first = (unsigned char *)(black->imageData + y*black->widthStep);
 			for (int x = 0, hsv_offset = 0; x<w; x++, hsv_offset += 3)
 			{
-				if (HSV_VALUE_V >= hsv_v_valve && (HSV_VALUE_H >= hsv_h_min_valve || HSV_VALUE_H <= hsv_h_max_valve)){
+				if (HSV_VALUE_V >= hsv_v_valve && (HSV_VALUE_H >= hsv_h_min_valve || HSV_VALUE_H <= hsv_h_max_valve || HSV_VALUE_H <= hsv_h_max_valve2)){
 					red1_row_first[x] = (HSV_VALUE_S >= hsv_s_valve_1 && (HSV_VALUE_S + HSV_VALUE_V) >= hsv_valve_low) ? 255 : 0;
 					red2_row_first[x] = (HSV_VALUE_S >= hsv_s_valve_2 && (HSV_VALUE_S + HSV_VALUE_V) >= hsv_valve_high) ? HSV_VALUE_S : 0;
 				}
@@ -3540,11 +3541,11 @@ namespace OnLineCard{
 			}
 		}
 #if GETREDBINARY_DEBUG
-		cvSaveImage("D:\\hsv.png", hsv);
-		cvSaveImage("D:\\red_low.png", red_low);
-		cvSaveImage("D:\\red_high.png", red_high);
-		cvSaveImage("D:\\binary.png", binary);
-		cvSaveImage("D:\\black.png", black);
+		cvSaveImage("D:\\ImageDebug\\hsv.png", hsv);
+		cvSaveImage("D:\\ImageDebug\\red_low.png", red_low);
+		cvSaveImage("D:\\ImageDebug\\red_high.png", red_high);
+		cvSaveImage("D:\\ImageDebug\\binary.png", binary);
+		cvSaveImage("D:\\ImageDebug\\black.png", black);
 #endif
 		cvThreshold(red_high, red_high, 0, 255, CV_THRESH_OTSU);
 #ifdef _DEBUG
@@ -3594,12 +3595,14 @@ namespace OnLineCard{
 			}
 		}
 		cvReleaseStructuringElement(&element);
-		*red_binary = red;
+		//直接使用red_low作为返回值
+		//TODO 此处不太明白red_high存在的意义是什么？
+		*red_binary = red_low;
 		cvReleaseImage(&hsv);
 		cvReleaseImage(&binary);
 		cvReleaseImage(&black);
 		cvReleaseImage(&black_dilate);
-		cvReleaseImage(&red_low);
+		cvReleaseImage(&red);
 		cvReleaseImage(&red_dilate);
 		return TRUE;
 	}