imgproc增加HSV校正算法
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luoliangyi
parent
71ae9ebcaf
commit
b11a238ec4
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@ -15,6 +15,7 @@ HGImgProc_ImageDispersion
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HGImgProc_ImageFadeBkColor
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HGImgProc_ImageFilter
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HGImgProc_ImageOutHole
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HGImgProc_ImageHSVCorrect
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HGImgProc_CreateOCRMgr
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HGImgProc_DestroyOCRMgr
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@ -105,10 +105,10 @@ BOOL CHGTestDlg::OnInitDialog()
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SetIcon(m_hIcon, FALSE); // 设置小图标
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HGImage img = NULL;
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HGImgFmt_LoadImage("D:\\1.jpg", 0, NULL, HGBASE_IMGTYPE_BGRA, HGBASE_IMGORIGIN_TOP, &img);
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HGImgFmt_LoadImage("D:\\1.jpg", 0, NULL, HGBASE_IMGTYPE_BINARY, HGBASE_IMGORIGIN_TOP, &img);
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if (NULL != img)
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{
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HGImgProc_ImageFilter(img, img, HGIMGPROC_FILTERTYPE_GAUSSIANBLUR, 31);
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HGImgProc_ImageHSVCorrect(img, img, HGIMGPROC_CORRECTOPTION_LOWSATURATION_REMOVAL, HGTRUE, HG_MAKECOLOR(255, 0, 0, 0));
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HGImgFmt_SaveImage(img, 0, NULL, "D:\\222.bmp");
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HGBase_DestroyImage(img);
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@ -9,6 +9,7 @@
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#include "./ImageProcess/ImageApplyFadeBackGroundColor.h"
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#include "./ImageProcess/ImageApplyFilter.h"
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#include "./ImageProcess/ImageApplyOutHole.h"
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#include "./ImageProcess/ImageApplyHSVCorrect.h"
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#include "CvxText.hpp"
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#include "../base/HGInc.h"
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#include "../base/HGUtility.h"
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@ -1237,3 +1238,118 @@ HGResult HGAPI HGImgProc_ImageOutHole(HGImage image1, HGImage image2, HGFloat bo
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return HGBASE_ERR_OK;
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}
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HGResult HGAPI HGImgProc_ImageHSVCorrect(HGImage image, HGImage destImage, HGUInt correctOption, HGBool cvtGray, HGColor color)
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{
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if (NULL == image || correctOption < HGIMGPROC_CORRECTOPTION_DEFAULT || correctOption > HGIMGPROC_CORRECTOPTION_RED_REMOVAL)
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{
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return HGBASE_ERR_INVALIDARG;
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}
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CImageApplyHSVCorrect::CorrectOption correctOption2 = CImageApplyHSVCorrect::Deafault;
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if (HGIMGPROC_CORRECTOPTION_LOWSATURATION_REMOVAL == correctOption)
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correctOption2 = CImageApplyHSVCorrect::LowSaturation_Removal;
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else if (HGIMGPROC_CORRECTOPTION_RED_REMOVAL == correctOption)
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correctOption2 = CImageApplyHSVCorrect::Red_Removal;
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bool cvtGray2 = cvtGray ? true : false;
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HGUInt r = HG_GETCOLOR_R(color);
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HGUInt g = HG_GETCOLOR_G(color);
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HGUInt b = HG_GETCOLOR_B(color);
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uint color2 = (uint)(((HGUInt)r << 16) | ((HGUInt)g << 8) | (HGUInt)b);
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HGImageInfo imgInfo;
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HGBase_GetImageInfo(image, &imgInfo);
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HGUInt type = imgInfo.type;
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HGByte* data = NULL;
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HGBase_GetImageData(image, &data);
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HGImageRoi roi;
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HGBase_GetImageROI(image, &roi);
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HGUInt roiWidth = roi.right - roi.left;
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HGUInt roiHeight = roi.bottom - roi.top;
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if (NULL == destImage || image == destImage)
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{
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if (HGBASE_IMGTYPE_BGR != type)
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{
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HGImage imageTmp = NULL;
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HGResult ret = HGBase_CloneImage(image, HGBASE_IMGTYPE_BGR, 0, &imageTmp);
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if (HGBASE_ERR_OK == ret)
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{
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ret = HGImgProc_ImageHSVCorrect(imageTmp, imageTmp, correctOption, cvtGray, color);
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if (HGBASE_ERR_OK == ret)
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{
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ret = HGBase_CopyImage(imageTmp, image);
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}
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HGBase_DestroyImage(imageTmp);
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}
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return ret;
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}
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uint8_t* p = data + roi.top * imgInfo.widthStep + roi.left * 3;
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if (HGBASE_IMGORIGIN_BOTTOM == imgInfo.origin)
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p = data + (imgInfo.height - roi.bottom) * imgInfo.widthStep + roi.left * 3;
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cv::Mat img(roiHeight, roiWidth, CV_8UC(3), p, imgInfo.widthStep);
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CImageApplyHSVCorrect imgApply(correctOption2, cvtGray2, color2);
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imgApply.apply(img, 0);
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assert(img.data == p);
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}
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else
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{
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HGImageInfo destImgInfo;
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HGBase_GetImageInfo(destImage, &destImgInfo);
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HGUInt destType = destImgInfo.type;
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if (type != destType)
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{
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return HGBASE_ERR_INVALIDDATA;
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}
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HGByte* destData = NULL;
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HGBase_GetImageData(destImage, &destData);
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HGImageRoi destRoi;
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HGBase_GetImageROI(destImage, &destRoi);
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HGUInt destRoiWidth = destRoi.right - destRoi.left;
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HGUInt destRoiHeight = destRoi.bottom - destRoi.top;
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if (roiWidth != destRoiWidth || roiHeight != destRoiHeight)
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{
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return HGBASE_ERR_INVALIDDATA;
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}
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if (HGBASE_IMGTYPE_BGR != type)
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{
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HGImage imageTmp = NULL;
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HGResult ret = HGBase_CloneImage(image, HGBASE_IMGTYPE_BGR, 0, &imageTmp);
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if (HGBASE_ERR_OK == ret)
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{
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ret = HGImgProc_ImageHSVCorrect(imageTmp, imageTmp, correctOption, cvtGray, color);
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if (HGBASE_ERR_OK == ret)
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{
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ret = HGBase_CopyImage(imageTmp, destImage);
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}
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HGBase_DestroyImage(imageTmp);
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}
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return ret;
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}
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HGBase_CopyImage(image, destImage);
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uint8_t* pDest = destData + destRoi.top * destImgInfo.widthStep + destRoi.left * 3;
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if (HGBASE_IMGORIGIN_BOTTOM == destImgInfo.origin)
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pDest = destData + (destImgInfo.height - destRoi.bottom) * destImgInfo.widthStep + destRoi.left * 3;
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cv::Mat destImg(destRoiHeight, destRoiWidth, CV_8UC(3), pDest, destImgInfo.widthStep);
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CImageApplyHSVCorrect imgApply(correctOption2, cvtGray2, color2);
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imgApply.apply(destImg, 0);
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assert(destImg.data == pDest);
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}
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return HGBASE_ERR_OK;
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}
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@ -87,16 +87,23 @@
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/* 5 * 5提亮锐化 */
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#define HGIMGPROC_FILTERTYPE_BRIGHTSHARP 7L
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/* 默认，无任何除色效果 */
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#define HGIMGPROC_CORRECTOPTION_DEFAULT 1L
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/* 除掉低饱和度像素 */
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#define HGIMGPROC_CORRECTOPTION_LOWSATURATION_REMOVAL 2L
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/* 除掉红色。红色定义H:[0, 85]∪[170, 255],S:[10, 255],V:[120,255] */
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#define HGIMGPROC_CORRECTOPTION_RED_REMOVAL 3L
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/* 自动裁剪参数 */
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typedef struct
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{
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HGBool convex; /* 黑底填充时的填充方式, true为凸多边形填充，false为凹多边形填充，默认true */
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HGBool fillColor; /* 黑底填充时采用自适应色彩填充，false为白色填充，true为自适应文稿底色填充，默认false */
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HGBool convex; /* 黑底填充时的填充方式, HGTRUE为凸多边形填充，HGFALSE为凹多边形填充，默认HGTRUE */
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HGBool fillColor; /* 黑底填充时采用自适应色彩填充，HGFALSE为白色填充，HGTRUE为自适应文稿底色填充，默认HGFALSE */
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HGDouble threshold; /* 二值化阈值，取值范围(0, 255)，默认40 */
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HGInt noise; /* 除噪像素，能够消除noise宽度的背景竖条纹干扰，默认8 */
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HGInt indent; /* 轮廓缩进，裁剪、纠偏或者黑底填充时，对探索到的纸张轮廓进行缩进indent像素，默认5 */
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HGBool normalCrop; /* crop deskew fillBlank失效，固定裁切采用最传统的裁切方式，默认false */
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HGBool dispersion; /* 是否除色散，默认true */
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HGBool normalCrop; /* crop deskew fillBlank失效，固定裁切采用最传统的裁切方式，默认HGFALSE */
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HGBool dispersion; /* 是否除色散，默认HGTRUE */
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}HGImgAutoCropParam;
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/* 白底检查参数 */
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@ -299,4 +306,18 @@ HGEXPORT HGResult HGAPI HGImgProc_ImageFilter(HGImage image, HGImage destImage,
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*/
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HGEXPORT HGResult HGAPI HGImgProc_ImageOutHole(HGImage image1, HGImage image2, HGFloat borderSize, HGFloat edgeScale, HGDouble threshold);
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/* 色彩校正
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* 1) image: in, 源图像句柄
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* 2) destImage: in, 目标图像句柄
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* 3) correctOption: in, 预设初色模式, 参见HGIMGPROC_CORRECTOPTION_*
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* 4) cvtGray: in, 替代像素使用默认值，还是使用灰度值。HGTRUE为灰度值，HGFALSE为默认值
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* 5) color: in, 颜色, 当cvtGray为HGFALSE时生效
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* 说明:
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* 1) 操作的只是图像的ROI区域, ROI区域的大小必须一致
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* 2) 源图像和目标图像的type必须一样
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* 3) 自动处理origon不一致的情况
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* 4) image和destImage可以是同一个句柄
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*/
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HGEXPORT HGResult HGAPI HGImgProc_ImageHSVCorrect(HGImage image, HGImage destImage, HGUInt correctOption, HGBool cvtGray, HGColor color);
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#endif /* __HGIMGPROC_H__ */
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