MATLAB: Plot histogram and contrast enhancement techniques

Question

I'm student and is my first time in this program matlab and I have some problem so I wonder if anyone can help me

• Plot histogram to given image. and What is your observation about the histogram of the image.
• what is the techniques we can used in matlab to enhancement the contrast

Answer 1

• imhist()
• imadjust(), intlut(), imfilter(), conv2(), nlfilter(), Fourier filtering, etc.