voidwriteImg(cv::Mat &mat,std::stringimgfile){cv::Mat img_bgr;cv::cvtColor(mat, img_bgr, cv::COLOR_YUV2BGR_NV12);cv::imwrite(imgfile, img_bgr);} intmain(){std::stringimage_file ="config/test.jpg";cv::Mat bgr_mat = ...
参数dstCn原来一直沿用CV_BGR2GRAY, CV_RGB2GRAY, CV_GRAY2BGR, CV_GRAY2RGB等格式,但最新几个版本的OpenCV已改为COLOR_BGR2GRAY类似形式,今天才看源代码imgproc.hpp才发现,但官方文档还没修改,如下图,如果程序中使用较新的版本OpenCV,采用CV_BGR2GRAY可能会一直出错。 新的OpenCV中imgproc.hpp的定义如下: en...
COLOR_BGR5652GRAY COLOR_BGR2BGR555convertbetweenRGB/BGRandBGR555 (16-bit images) COLOR_RGB2BGR555 COLOR_BGR5552BGR COLOR_BGR5552RGB COLOR_BGRA2BGR555 COLOR_RGBA2BGR555 COLOR_BGR5552BGRA COLOR_BGR5552RGBA COLOR_GRAY2BGR555convertbetweengrayscaleandBGR555 (16-bit images) COLOR_BGR5552GRAY CO...
using the gstreamer pipeline to get NV12 image and convert to BGR for opencv using cv::cvtColor(dstm, dstm, CV_YUV2BGR_NV12); with opencl enabledi get wrong colors see image included Member alalek commented Nov 14, 2017 Could you please capture this image instead. There is test for...
NVCV_COLOR_RGBA2YUV_I420 NVCV_COLOR_YUV2BGRA_I420 NVCV_COLOR_BGRA2YUV_I420 NVCV_COLOR_RGB2YUV_I420 NVCV_COLOR_YUV2RGB_YV12 NVCV_COLOR_RGB2YUV_YV12 NVCV_COLOR_YUV2BGR_YV12 NVCV_COLOR_BGR2YUV_YV12 NVCV_COLOR_YUV2RGBA_YV12 NVCV_COLOR_RGBA2YUV_YV12 NVCV_COLOR_YUV2BGRA_YV12 ...
kCVPixelFormatType_422YpCbCr8FullRange = 'yuvf',/* Component Y'CbCr 8-bit 4:2:2, full range, ordered Y'0 Cb Y'1 Cr */ kCVPixelFormatType_OneComponent8 = 'L008',/* 8 bit one component, black is zero */ kCVPixelFormatType_TwoComponent8 = '2C08',/* 8 bit two component, ...
OpenCV颜⾊空间转换参数CV_BGR2GRAY改变 OpenCV的颜⾊空间转换函数：C++: void cvtColor(InputArray src, OutputArray dst, int code, int dstCn=0 )参数dstCn原来⼀直沿⽤CV_BGR2GRAY, CV_RGB2GRAY, CV_GRAY2BGR, CV_GRAY2RGB等格式，但最新⼏个版本的OpenCV已改为COLOR_BGR2GRAY类似形式，今天才看...
yuv420p=cv2.cvtColor(image,cv2.COLOR_BGR2YUV_I420).reshape((area*3// 2,))y=yuv420p[:area]uv_planar=yuv420p[area:].reshape((2,area// 4))uv_packed=uv_planar.transpose((1,0)).reshape((area// 2,))nv12=np.zeros_like(yuv420p)nv12[:height*width]=y ...
cv::cudadoesn’t provideNV12→BGR. Found out thatNPPprovides! int width, height; uchar *d_bgr; uchar *d_Y; uchar *d_CrCb; cudaMalloc(&d_Y, sizeof(uchar) * width * height); cudaMalloc(&d_CrCb, sizeof(uchar) * width * (height / 2)); ...
cv::gapi::imgproc::G_TYPED_KERNEL(GRGB2YUV422, <cv::GMat(cv::GMat)>, "org.opencv.imgproc.colorconvert.rgb2yuv422" ) G_TYPED_KERNEL() [51/53] cv::gapi::imgproc::G_TYPED_KERNEL(GNV12toRGBp, <GMatP(GMat,GMat)>, "org.opencv.imgproc.colorconvert.nv12torgbp" ...