How can I assign correct value for variable img_heq

img_heq=histeq(img,256)

While inserting the above line in my program I am getting the following error

Varibale img_heq has a incorrect value.

Answer 1

[KALYAN ACHARJYA]

img_heq=histeq(img,[0,255])

[Sivakumar Rajagopal]

Thanks but still it shows same error.

[KALYAN ACHARJYA]

Is the img gray scale image? Though it does not matter. I tested it works

[Sivakumar Rajagopal]

Yes got the same result. Thanks.