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Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

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Steve on Image Processing with MATLAB has been archived and will not be updated.

Posts 191 - 200 of 597

Defining and filling holes on the border of an image 9

Blog reader Alex asked a question this week about filling holes in this binary image.url = 'https://blogs.mathworks.com/images/steve/2013/eye-heart-matlab.png'; bw = imread(url); imshow(bw) Alex... read more >>

Introduction to spatial referencing 8

Today's blog post was written by Alex Taylor, a developer on the Image Processing Toolbox team. Thanks, Alex!... read more >>

TIFF, BigTIFF, and blockproc 4

I'd like to welcome back guest blogger Ashish Uthama for today's post. Ashish, a developer on the Image Processing Toolbox team, posted here previously about the mystery of the failing TIFF append loop.... read more >>

Homomorphic filtering – part 2

I'd like to welcome back guest blogger Spandan Tiwari for the second post in his two-part series on homomorphic filtering.Last time we looked at how to apply a simple homomorphic filter. Today we... read more >>

Homomorphic filtering – part 1 12

I'd like to welcome back guest blogger Spandan Tiwari for today's post. Spandan, a developer on the Image Processing Toolbox team, posted here previously about circle finding.... read more >>

R2013a – image processing and computer vision 4

I've mentioned the R2013a release in two previous posts (15-May-2013 and 12-Mar-2013). Today I want to point out that R2013a is a pretty significant release in terms of new features related to... read more >>

R2013a – Looking around in MATLAB 5

The first MathWorks general product release of the year, R2013a, shipped a couple of months ago. I've already mentioned it once here in my 12-Mar-2013 post about the new MATLAB unit test... read more >>

JPEG and PNG – lossy and lossless image compression 7

I was reviewing enhancement requests recently when I came across this one: Add support for a 'Quality' parameter when using imwrite to write a PNG file, just like you can currently do when writing... read more >>

Revisiting dctdemo – part 4 2

This is the fourth and last part of my plan (my evil plan?) to rewrite an Image Processing Toolbox example from 20 years ago using more modern MATLAB language features. I got the idea from Dave... read more >>

Cluster-based image display 3

Although this is the time of year that I normally mention some of the new features from the "a" release, today I thought I would focus on a feature added several releases ago that I think deserves... read more >>

Posts 191 - 200 of 597

These postings are the author's and don't necessarily represent the opinions of MathWorks.