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Steve Eddins


MathWorks

674 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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Submitted


Pixel Grid
Function pixelgrid superimposes a grid of pixel edges on an image

1 jour ago | 0 downloads |

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Raw image file conversion in MATLAB
Steffen, I have seen your tech support case escalation, and I have looked at the file you sent to MathWorks. The MATLAB functi...

9 jours ago | 0

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Changes to SUM and DIM
Does this line of code make you raise your eyebrows in puzzlement?... read more >>

24 jours ago

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Multiresolution pyramids part 3: Laplacian pyramids
In my April 2 post, I introduced multiresolution pyramids, and I explained my dissatisfaction with the function impyramid,...

environ un mois ago

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Multiresolution image pyramids and impyramid – part 2
Last time, I talked about the function impyramid and how I have been dissatisfied with it. (Confession: I designed it.)...

environ un mois ago

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Multiresolution image pyramids and impyramid – part 1
There's a function in the Image Processing Toolbox that I'm not especially fond of: impyramid.... read more >>

environ 2 mois ago

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A new image tiling function in MATLAB
I was noodling around recently with a future blog topic (multiresolution pyramids; stay tuned) when I was reminded of a...

2 mois ago

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Converting from sRGB to SWOP CMYK
An Image Processing Toolbox user recently reported to us good results for using makecform and applycform to convert colors...

3 mois ago

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Making your plot lines thicker
Today's blog post is dedicated to everyone whose eyes aren't as young as they used to be.... read more >>

3 mois ago

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Pursuit Curves
Here's an interesting snippet I learned while working on today's blog post: Mathematician Jacob Bernoulli asked for a...

3 mois ago

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Animated PNG (APNG) Files
Have you heard of animated PNG (APNG) files? Are you interested in creating them from MATLAB? They are supposed to be an...

4 mois ago

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Submitted


Penrose Rhombus Tiling
Compute and visualize aperiodic Penrose rhombus tiling

6 mois ago | 4 downloads |

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Deep Beer Designer
This post is from Ieuan Evans, who has created a very unique example combining deep learning with LSTM and beer. (Please...

7 mois ago

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3 Trends in Deep Learning
And how MATLAB helps you take advantage of them. Last post*, Steve Eddins wrote about some of the new features in the...

8 mois ago

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Deep Learning with MATLAB R2018b
Note: This will be my last regular post for the Deep Learning blog. Johanna Pingel will be taking over for me. You have...

8 mois ago

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Deep Learning in Action – part 3
Hello Everyone! It's Johanna, and Steve has allowed me to take over the blog from time to time to talk about deep...

9 mois ago

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Classify EEG Signals Using LSTM Networks
Today I want to highlight a signal processing application of deep learning. This example, which is from the Signal...

10 mois ago

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Semantic Segmentation Using Deep Learning
Today I want to show you a documentation example that shows how to train a semantic segmentation network using deep learning...

12 mois ago

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Superpixel Posterization
Today's blog post was inspired by an example written by my friend and Image Processing Toolbox developer, Alex Taylor. A few...

environ un an ago

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Feret Properties – Wrapping Up
Today I want to finish up my long-running discussion of Feret diameters. (Previous posts: 29-Sep-2017, 24-Oct-2017,...

environ un an ago

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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').

environ un an ago | 1

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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>.

environ un an ago | 0

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

environ un an ago | 1

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What is the Shape of a Pixel?
What is the shape of a pixel? At various times, I have a pixel as a square (often), a point (sometimes), or a rectangle...

environ un an ago

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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.

environ un an ago | 0

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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 ...

environ un an ago | 1

Published


Minimum Feret Diameter
Last time (if you can remember that long ago), I talked about how to find the maximum Feret diameter of a shape. The Feret...

plus d'un an ago

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Defining Your Own Network Layer
Note: Post updated 27-Sep-2018 to correct a typo in the implementation of the backward function. One of the new Neural...

plus d'un an 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:......

plus d'un an 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...

plus d'un an ago

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