Edge Detection of Image in iPhone Using Image Magick

Question

I want to convert RGB image into Below Image. I am using ImageMagick Library . I want help to know that by which functions i can convert in Original Image into Image-2. Here

Answer 1

@Apoorv i dont know any thing about but if you just want edge detection may be you can use openCV instead.

here is the link for some of the source code and tutorials of how to detect edge in iphone using openCV

iPhone and OpenCV

http://dasl.mem.drexel.edu/~noahKuntz/openCVTut5.html

here is a sample project that i have created in iphone using openCV

original image

image after edge detection.