Howtosignalprocessing
- What is derivative in image processing?
- What is first derivative of image?
- What is the second derivative of an image?
What is derivative in image processing?
Derivative filters provide a quantitative measurement for the rate of change in pixel brightness information present in a digital image.
What is first derivative of image?
Image derivative
The first information that our brain decodes is the shape, the color, the presence of textures, the orientation of the light and the edges.
What is the second derivative of an image?
The 2nd derivative of an image where the image highlights regions of rapid intensity change and is therefore often used for edge detection zero crossing edge detectors.
