C++:voidcvtColor(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...
COLOR_BGR2BGRAaddalpha channeltoRGBorBGR image COLOR_RGB2RGBA COLOR_BGRA2BGR remove alpha channelfromRGBorBGR image COLOR_RGBA2RGB COLOR_BGR2RGBAconvertbetweenRGBandBGR color spaces (withorwithoutalpha channel) COLOR_RGB2BGRA COLOR_RGBA2BGR COLOR_BGRA2RGB COLOR_BGR2RGB COLOR_RGB2BGR COLOR_...
cv::Mat img_bgr; cv::cvtColor(mat, img_bgr, cv::COLOR_YUV2BGR_NV12); cv::imwrite(imgfile, img_bgr); } int main() { std::string image_file = "config/test.jpg"; cv::Mat bgr_mat = cv::imread(image_file, cv::IMREAD_COLOR); auto src_height = bgr_mat.rows; auto src_width...
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...
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 = ...
NVCV_COLOR_BGR2YUV_YV12 NVCV_COLOR_YUV2RGBA_YV12 NVCV_COLOR_RGBA2YUV_YV12 NVCV_COLOR_YUV2BGRA_YV12 NVCV_COLOR_BGRA2YUV_YV12 NVCV_COLOR_RGB2YUV_YV12 NVCV_COLOR_YUV2GRAY_420 For the full list, see the main README on CV-CUDA GitHub. License CV-CUDA is licensed under the Apache...
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...
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, ...
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 ...
NV12 You can checkout the color scheme of frame bym_frame.eglColorFormat CU_EGL_COLOR_FORMAT_YUV420_SEMIPLANAR_ER = 0x26, /**< Extended Range Y, UV in two surfaces (UV as one surface) with VU byte ordering, U/V width = 1/2 Y width, U/V height = 1/2 Y height. */ ...