
opencv - What exactly is BGR color space? - Stack Overflow
2008年12月15日 · An RGB color is composed of three components: Red (0-255), Green (0-255) and Blue (0-255). What exactly is BGR color space? How is it different from RGB color space?
Why OpenCV Using BGR Colour Space Instead of RGB
2013年1月28日 · OpenCV reads in images in BGR format (instead of RGB) because when OpenCV was first being developed, BGR color format was popular among camera manufacturers and image software providers. The red channel was considered one of the least important color channels, so was listed last, and many bitmaps use BGR format for image storage.
Creating BGR image using GRAYSCALE image - Stack Overflow
2019年3月27日 · Camera provides GRAYSCALE data while deep learning model requires BGR. Is it possible to create artificial bgr image by "stacking" the grayscale image using opencv or numpy or anything? I am using...
python - PIL rotate image colors (BGR -> RGB) - Stack Overflow
2011年1月11日 · I have an image where the colors are BGR. How can I transform my PIL image to swap the B and R elements of each pixel in an efficient manner?
opencv python reading image as RGB - Stack Overflow
2020年4月29日 · Is it possible to opencv (using python) as default read an image as order of RGB ? in the opencv documentation imread method return image as order of BGR but in code imread methods return the image...
Why is a BGR image displayed as grayscale? - Stack Overflow
2020年1月28日 · The image that should have been BGR (displayed as grayscale) was a three dimensional array as expected. Similarly, the image after conversion to grayscale was a two dimensional array, as expected, but it still displayed as BGR.
python - Save BGR image with cv2.imwrite - Stack Overflow
2019年11月10日 · Then I found that I have to multiply the array to 255 to save it with imwrite, but in this case the image saved in RGB format, but I want to save the BGR image which shown by cv2.imshow. What should I do?
Convert BGR colored image to grayscale except one color
2022年3月26日 · I have a colored BGR image and I want to remove all colors except one color. Like this leaf image, I want to make the entire image black and white, and leave the original color (green), or intensify the yellow spots in this image, using OpenCV and python.
python - Masking BGR image using a 2D mask - Stack Overflow
I have a three-dimensional array (image) with shape (480, 640, 3). Here, the 3 refers to BGR color code. I would like to place a mask over this image using the data from the array of the Red image.
OpenCV: What is the dimension of the array representing a BGR …
2015年2月6日 · According to documentation, a BGR image is represented this way in OpenCV: (source: opencv.org) My question: what is the dimension of the array displayed by this picture ?