Steve on Image Processing with MATLAB

Image processing concepts, algorithms, and MATLAB

Posts 1 - 10 of 22

Results for: 2013

Automating the extraction of real data from an image of the data – part 1 1

I'd like to welcome back my fellow MATLAB Central blogger Brett Shoelson for the first in a three-part series on extracting curve values from a plot. You can find Brett over at the File Exchange Pick of the Week blog, or you can check out his many File Exchange contributions. -Steve... read more >>

Image processing with a GPU 8

I'd like to welcome guest blogger Anand Raja for today's post. Anand is a developer on the Image Processing Toolbox team. -Steve ... read more >>

Generating code from Image Processing Toolbox functions

I'd like to welcome guest blogger Vignesh Krishnan for today's post. Vignesh is a developer on the Image Processing Toolbox team. -Steve... read more >>

Watershed transform question from tech support 4

A support call came in this week from a customer trying to use watershed to segment this image: The complaint was that calling watershed did not produce a good segmentation.Today I want to show how... read more >>

Chess and a little text file manipulation 1

Here's an image of a chess position: And that's about as close to image processing as today's blog post will come. Because this post is really about text processing.It seems like a lot of... read more >>

timeit makes it into MATLAB 4

This is my first blog post with "Published with MATLAB R2013b" at the bottom. The latest MATLAB release shipped earlier in September. And, for the first time in a while, a function that I wrote has... read more >>

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 >>

Posts 1 - 10 of 22