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Steve Eddins


MathWorks

649 total contributions since 2006

MATLAB user since 1987. MathWorker since 1993. Amateur French horn player. MATLAB design and development, image processing algorithms.

Image processing blog: https://blogs.mathworks.com/steve/

Deep learning blog: https://blogs.mathworks.com/deep-learning

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Published


Defining Your Own Network Layer
One of the new Neural Network Toolbox features of R2017b is the ability to define your own network layer. Today I'll show...

1 month ago

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Network Visualization Based on Occlusion Sensitivity
Have you ever wondered what your favorite deep learning network is looking at? For example, if a network classifies this...

2 months ago

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Deep Learning for Automated Driving (Part 2) – Lane Detection
This is the second post in the series on using deep learning for automated driving. In the first post I covered object...

3 months ago

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Deep Learning for Automated Driving (Part 1) – Vehicle Detection
This is a guest post from Avinash Nehemiah, Avi is a product manager for computer vision and automated driving.  I...

4 months ago

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Feret Diameters and Antipodal Vertices
Last time, I wrote about finding the maximum Feret diameter for an object in a binary image, ending up with this figure:......

4 months ago

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New File Exchange Submissions
The MathWorks Neural Networks Toolbox development team has just posted two new items to the MATLAB Central File...

4 months ago

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Deep Learning with GPUs and MATLAB
MATLAB users ask us a lot of questions about GPUs, and today I want to answer some of them. I hope you'll come away with a...

4 months ago

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Deep Learning with MATLAB R2017b
The R2017b release of MathWorks products shipped just two weeks ago, and it includes many new capabilities for deep...

5 months ago

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Feret Diameter: Introduction
This is the first of a few blog posts about object measurements based on a concept called the Feret diameter, sometimes...

5 months ago

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New Deep Learning Blog on MATLAB Central
I'd like to invite everyone to check out the new Deep Learning blog that just launched today on MATLAB Central. ... read...

5 months ago

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Jumping into the Deep End
Hello, and welcome to the new MATLAB Central blog on deep learning! In my 24th year of MATLAB and toolbox development and...

5 months ago

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Gray-scale pixel values in image regions
Before I dive into today's topic, I want to invite you to come back to the MATLAB Central Blogs page in a couple of weeks....

5 months ago

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Colormap Test Image
Today I want to tell you how and why I made these images:...

7 months ago

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Submitted


Colormap Test Image
Test image for evaluating perceptual effectiveness of a colormap for visualizing sequential data

7 months ago | 2 downloads |

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Juno Delivers
Wow....

7 months ago

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Customizing REGIONPROPS With Your Own Measurements
I saw a presentation last month that mentioned a user request to have the ability to customize regionprops. That is, a user...

8 months ago

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Frequency Samples for the Output of FFT2
A MATLAB user recently contacted tech support with a question about the output of fft2. The user had a function, q(x,y),...

8 months ago

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Chessboards, Implicit Expansion, REPELEM, and Unicode Chess Queens
A few weeks ago, I wrote about a solver algorithm for the Eight Queens Problem. The post included diagrams like this one.......

9 months ago

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The Eight Queens Problem – Generating All Solutions
On April 20, I wrote about an algorithm for solving the Eight Queens Problem. In this problem, the task is to place eight...

10 months ago

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The Future of String Arrays in MATLAB
At MathWorks, we almost never talk in detail about product features before they are released. That's why this week's Art of...

10 months ago

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The Eight Queens Problem
Today I want to tackle a classic algorithm puzzle known as the Eight Queens Problem. In this problem, your task is to...

10 months ago

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Variation on Connected Objects – Using Graphs
Reader Uri Pe'er found an old post from 2011 about shortest paths in binary images, and he asked this follow-up question...

11 months ago

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Variations on Connected Objects – Using imfill
Reader Uri Pe'er found an old post from 2011 about shortest paths in binary images, and he asked this follow-up question...

11 months ago

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Published


Logical indexing
One of my favorite aspects of MATLAB for image processing is how I can use a binary image to index directly into a grayscale...

12 months ago

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Gaussian filtering with imgaussfilt
With the R2015a release a couple of years ago, the Image Processing Toolbox added the function imgaussfilt. This function...

1 year ago

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Aliasing and image resizing – part 3
Today I'll try to wrap up my discussion about how aliasing affects image resizing and about how the imresize function tries...

1 year ago

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Aliasing and image resizing – part 2
In my 03-Jan-2017 post, I introduced my new topic: aliasing, especially as it relates to resizing images. Today I will get...

1 year ago

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Aliasing and image resizing – part 1
Happy New Year!...

1 year ago

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Published


MATLAB arithmetic expands in R2016b
Earlier this summer, I was writing some color-space conversion code. At one point in the code, I had a Px3 matrix called...

1 year ago

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Filling holes in outline text
Intrepid MathWorks application engineer Brett Shoelson recently got a user question that caught my attention. Consider an...

1 year ago

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