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Mark Hayworth


The Procter & Gamble Company

Last seen: 1 year ago |  Active since 2010

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I've been doing image analysis for over 30 years. Professional Interests: image analysis

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Question


Get data point that was clicked on in graph
I have a plot on a GUIDE GUI that gives some measurement made from frames in a video. What my user wants is to click on a point...

2 years ago | 1 answer | 0

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answer

Question


Determine available disk space
I was acquiring a bunch of images and got a write error from imwrite that it couldn't write the file. It turned out the problem...

2 years ago | 3 answers | 1

3

answers

Submitted


MAGIC - MATLAB Generic Imaging Component
Tutorial GUI to demonstrate basic functionality of various controls on the GUI

7 years ago | 16 downloads |

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Question


Need something like polyarea(), but that handles crossings.
I want to find the enclosed area of a list of (x,y) coordinates that define a perimeter. Normally polyarea() will do this, howe...

8 years ago | 1 answer | 0

1

answer

Question


Philips hue lighting system - a JSON device
My son got a <http://www2.meethue.com/en-us/ Philips Hue> bridge (network device) and some wi-fi bulbs. He wants to have his co...

9 years ago | 2 answers | 2

2

answers

Answered
How can I determine the number of digits after the decimal point?
You can use the round() function to round a number to the specified number of places (though way out at the umpteenth place it m...

9 years ago | 0

| accepted

Answered
loading file from my directory?
Perhaps this: <http://www.mathworks.com/matlabcentral/fileexchange/32479-import-imagej-rois>

10 years ago | 0

Question


How do I set up a project or solution?
My guess is that _we can't_ , but I'll ask anyway... I would like to be able to have project files, where I have a collection...

10 years ago | 2 answers | 0

2

answers

Submitted


Stitch
Stiches or averages two image files or two sound files into a single file.

11 years ago | 2 downloads |

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Answered
semi automatic circle fit function
Would the FAQ help? See <http://matlab.wikia.com/wiki/FAQ#How_can_I_fit_a_circle_to_a_set_of_XY_data.3F>

12 years ago | 0

| accepted

Answered
noise removal in images
Try bwareaopen().

12 years ago | 0

| accepted

Answered
Polygon width and centerline
Easy. Starting from a binary image... # Use bwmorph() to get the skeleton. # Use bwdist() to get the distance from the ce...

12 years ago | 1

| accepted

Submitted


Color Frequency Image
The frequency image is where the pixel intensity represents the frequency of the same color pixels.

14 years ago | 3 downloads |

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