RGBA2Gray

Converts a RGB image to gray scale.

Converts a RGB image to gray scale.

The gray scale value is computed as:

gray = dot(RGBA, vec4(0.29899999, 0.58700001, 0.114, 0.0))    

Inputs

in_rgba : ImageView. rgba8ui image.

Outputs

out_gray : ImageView r8ui image. Thre gray scale values are in the range [0, 255]. This image is allocated in the same memory as in_rgba.