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Writing a file reader in MATLAB
I'd like to introduce guest blogger Jeff Mather. Jeff started his MathWorks career as an application support...

14 years ago

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Digital image processing using MATLAB: writing image files
Today's post is part of an ongoing tutorial series on digital image processing using MATLAB. I'm covering...

14 years ago

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Saturday morning fun with Cody
Early this morning my wife found me in the family room, typing away at my laptop. She glimpsed this diagram on my...

14 years ago

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New comment policy
I want to let readers know that I'm experimenting with a new comment policy. I started this blog at the beginning of...

14 years ago

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Jobs and such
Last week I happened to come across a summary I wrote after completing my first month at MathWorks. This was quite a while a...

14 years ago

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Generating Hilbert curves
This week I came across some files I wrote about 16 years ago to compute Hilbert curves. A Hilbert curve is a type of...

14 years ago

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Five years ago: August, September, and October 2006
Much of the information I posted in this blog years ago is still useful today. Image processing theory hasn't been...

14 years ago

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Modifying centroid locations in an image – an application of linear indexing
Blog reader Mike posed the following question recently: If you have a bunch of point locations (for example,...

14 years ago

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Batch processing files in another folder
Blog reader Asadullah posted the following question last week on my old post about batch processing: I am...

14 years ago

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Exploring shortest paths – wrapping up
For the past several weeks I've been writing about shortest-path problems in image processing: finding the shortest...

14 years ago

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Exploring shortest paths – part 5
In this post in the Exploring shortest paths series, I make things a little more complicated (and interesting) by...

14 years ago

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Exploring shortest paths – part 4
In my previous posts on Exploring shortest paths (November 1, November 26, and December 3), I have noted several times...

14 years ago

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Exploring shortest paths – part 3
In part 2 of Exploring shortest paths, I noted a problem with using the 'quasi-euclidean' distance transform to find...

14 years ago

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Exploring shortest paths – part 2
Earlier this month I started exploring the question of computing the shortest path from one object in a binary image to...

14 years ago

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Exploring shortest paths – part 1
Blog reader Bogdan asked this question last week: I am trying to find the length and location of the shortest...

14 years ago

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Five years ago: May, June, and July 2006
Much of the information I posted in this blog years ago is still useful today. Image processing theory hasn't been...

14 years ago

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Binary image convex hull – algorithm notes
Today I want to tell a little image processing algorithm story related to my post last week about the new bwconvhull...

14 years ago

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Binary image convex hull
I've been intending to mention a new function bwconvhull that was introduced in the Image Processing Toolbox last...

14 years ago

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Digital image processing using MATLAB: reading image files
Today's post is part of an ongoing tutorial series on digital image processing using MATLAB. I'm covering...

14 years ago

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Dealing with “Really Big” Images: Image Adapters
I'd like to welcome back guest blogger Brendan Hannigan, for the third in a series of three posts on working...

14 years ago

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Engineering education and MATLAB – a personal perspective
Earlier this week I received a text message from my oldest son, who just started his second year at Northeastern University....

14 years ago

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“Area opening” terminology question
An experienced user of our products recently told us we got it wrong when we named bwareaopen. This function removes...

14 years ago

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Digital image processing using MATLAB: digital image representation
Today I'm starting an regular, occasional series with tutorial material on digital image processing using...

14 years ago

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Blog comments and e-mail
I just realized that it's been more than three years since I explained the way I handle comments on this blog. It's probably...

14 years ago

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Dealing with “Really Big” Images: Block Processing
I'd like to welcome back guest blogger Brendan Hannigan, for the second in a series of three posts on working...

14 years ago

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Dealing with “Really Big” Images: Viewing
I'd like to welcome guest blogger Brendan Hannigan, a MathWorks developer who worked on improving our set of...

14 years ago

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Five years ago: March and April 2006
Much of the information I posted in this blog years ago is still useful today. Image processing theory hasn't been...

14 years ago

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Checkerboard fun
Thinking about test images (13-Jan-2006, 16-Jul-2011, 19-Jul-2011, 19-Jul-2011) recently prompted me to take a look at...

14 years ago

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Filtering fun
Today I want to take the test pattern I created last time and subject it to a variety of frequency-based filters. ...

14 years ago

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Jähne test pattern – take 3
Earlier today I told you that I was feeling a little dense because I couldn't figure out the right parameters to use in...

14 years ago