Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

Responses to reader challenge 3

Thanks to Kimo Johnson and Perttu Ranta-aho for responding to my custom spatial transformation challenge. Contents Kimo's submission ... read more >>

Spatial transformations: Three-dimensional rotation 72

Blog reader Stephen N., who's been following my posts about spatial transformations, asked me last week how to rotate a three-dimensional image. ... read more >>

Discrete cosine transforms, JPEG, and software compatibility 9

Software compatibility is a tricky subject. No one likes it when an incompatible change occurs in a software application they rely on. So why do we sometimes find it necessary to make an... read more >>

Reader challenge: Custom spatial transformations 10

Were you intrigued by the custom spatial transformations I showed last week? Here's a challenge for you: Create a sample image transformation that is in some way creative, interesting, or just... read more >>

Spatial transformations: Defining and applying custom transforms 20

Blog reader David A. asked me a while back about how to transform an image based on some mathematical function. For example, the online paper "Visualizing complex analytic functions... read more >>

Spatial transformations: Controlling the input and output grids with imtransform 45

The function imtransform has several optional parameters that allow you to fine-tune its behavior. Today's topic is about the parameters that let you control where the input... read more >>