Python:
cv2.
resize
(src, dsize[, dst[, fx[, fy[, interpolation]]]])
image
=
cv2.imread(
'ironman.png'
)
gray_image
=
cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
link address: https://extr3metech.wordpress.com/2012/09/23/convert-photo-to-grayscale-with-python-opencv/
Python:
cv2.
imread
(filename[, flags]) → retval
Flags specifying the color type of a loaded image:
CV_LOAD_IMAGE_GRAYSCALE - If set, always convert image to the grayscale one
Python:
cv2.
imwrite
(filename, img[, params]) → retval
filename – Name of the file.
image – Image to be saved.
Python:
cv2.
VideoCapture
() → <VideoCapture object>
Python:
cv2.
VideoCapture
(filename) → <VideoCapture object>
Python:
cv2.
VideoCapture
(device) → <VideoCapture object>
- filename – name of the opened video file (eg. video.avi) or image sequence (eg. img_%02d.jpg, which will read samples like img_00.jpg, img_01.jpg, img_02.jpg, ...)
- device – id of the opened video capturing device (i.e. a camera index). If there is a single camera connected, just pass 0.