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Steve Eddins


MathWorks

655 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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Answered
hi i've a problem the function newline dosen't work in matlab 2016a??
The function newline was introduced in R2016b. Instead of newline, you can use char(10) or sprintf('\n').

2 months ago | 1

Submitted


Color Toolbox
A collection of color-related functions that extend the Image Processing Toolbox.

2 months ago | 11 downloads |

Answered
error - Undefined function 'extractHOGFeatures' for input arguments of type 'double and Undefined function 'detectMSERFeatures' for input arguments of typ ,
These functions are in the <https://www.mathworks.com/products/computer-vision.html Computer Vision System Toolbox>.

3 months ago | 0

Answered
How is image downsized when "Image is too big to fit on screen"?
Nearest-neighbor interpolation.

3 months ago | 1

| accepted

Answered
immse same size error
Compare the output of size(X) and size(C) to double-check your assumption that X and C are the same size.

3 months ago | 0

Answered
Resize images in multiple directories
Consider using the <https://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html Image Batch ...

4 months ago | 1

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...

5 months 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...

6 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...

7 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...

8 months ago

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Published


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:......

8 months ago

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Published


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

8 months ago

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Published


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...

8 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...

9 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...

9 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...

9 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...

9 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....

9 months ago

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Published


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

11 months ago

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Submitted


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

11 months ago | 2 downloads |

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Juno Delivers
Wow....

11 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...

12 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),...

1 year ago

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Published


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.......

1 year 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...

1 year 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...

1 year ago

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Published


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...

1 year ago

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Published


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...

1 year ago

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Published


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...

1 year 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...

1 year ago

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