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Mark Hayworth


The Procter & Gamble Company

53 total contributions since 2008

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

Professional Interests: image analysis

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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...

20 days ago | 1 Answers | 0

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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...

11 months ago | 1 Answers | 1

1

answer

Submitted


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

1 year ago | 103 downloads |

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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...

1 year ago | 0

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

2 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...

2 years ago | 1 Answers | 0

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answer

Submitted


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

3 years ago | 19 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>

4 years ago | 0

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Answered
noise removal in images
Try bwareaopen().

4 years ago | 0

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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...

4 years ago | 1

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Responded


Re: Matlab Help
Go here for your guidance: http://www.mathworks.com/matlabcentral/fileexchange/?term=OCR

6 years ago | 3363 views

Responded


Re: Crop an Object from multiple Images (shows error in code)
SAME problem. Same solution. Like I said before, filename is not your numerical image array, "data1" is. So, use the same fi...

6 years ago | 5495 views

Responded


Re: Getting dominant colors of an image
Sounds like you might benefit from the color frequency image. There was just some code for that uploaded to the File Exchange t...

6 years ago | 14558 views

Responded


Re: Need for speed
Maxx Chatsko" <chatskom@chemimage.com> wrote in message : ------------------------------------------------------------------- I ...

6 years ago | 3090 views

Submitted


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

6 years ago | 8 downloads |

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Responded


Re: random sampling for arrays
Ramy Baly" You mean like this: a=[... 1 1;... 2 2;... 3 3;... 4 4] [rows columns] = size(a) randomRows = randperm(rows) b = a(ra...

6 years ago | 1652 views

Responded


Re: building gui using guide
amandeep Try a GUI/GUIDE template or tutorial, such as this one: http://www.mathworks.com/matlabcentral/fileexchange/24224

7 years ago | 1535 views

Responded


Re: How can i open a folder
You might take a look at this demo of MAGIC: http://www.mathworks.com/matlabcentral/fileexchange/24224 It has a button where you...

7 years ago | 1550 views

Responded


Re: GUI help
You can use this GUI template to help you get started: http://www.mathworks.com/matlabcentral/fileexchange/24224 Description: ...

7 years ago | 1305 views

Responded


Re: front end design
matsya mopad": You might take a look at this: http://www.mathworks.com/matlabcentral/fileexchange/24224 It will help you get up ...

7 years ago | 4522 views

Responded


Re: Image looping
Reff : You might try MAGIC. http://www.mathworks.com/matlabcentral/fileexchange/24224 It has a flexible GUI for batch processi...

7 years ago | 957 views

Responded


Re: Is there anyone out there to help me, plz?:-)
Sareh: I think you'd learn a lot by using MAGIC. It's a GUI tutorial/demo/template that I wrote. Here's its location: http://w...

7 years ago | 1308 views

Responded


Re: Strong motion data
Jetson Ronald" You could try using MAGIC - I built it for this sort of thing. Just insert your custom code into the function A...

7 years ago | 1885 views

Posted


read array of images from a folder
ennesai s" You can try MAGIC (MAtlab Generic Imaging Component). It's a framework (a template GUI) that handles the drudgery of...

7 years ago | 8198 views

Responded


Re: Callback Functions in GUIDE
Joe Cavers I have much of this in my Stitch utility: http://www.mathworks.com/matlabcentral/fileexchange/25797-stitch It display...

7 years ago | 1381 views

Responded


Re: creat a image handle using gui
Yijin: You can try MAGIC, a GUI tutorial / template that I wrote. http://www.mathworks.com/matlabcentral/fileexchange/24224 It...

7 years ago | 2867 views

Responded


Re: How can I get the string in a textbox when I push on a button
Oner, That's not a good way to do it at all. You're much better off having a listbox containing the image names. Here's a tuto...

7 years ago | 2189 views

Responded


Re: open and read in gui
This GUI template will help you a lot: http://www.mathworks.com/matlabcentral/fileexchange/24224 It has a button for you to chan...

7 years ago | 4115 views

Responded


Re: &#3657;pls help me to diagnostic
Often for round-ish blobs you use something called the "Equivalent Circular Diameter" in 2D or "Equivalent Spherical Diameter" i...

7 years ago | 1417 views

Responded


Re: GUI problem
Sven: Did you right click on the button and say to view the callback function? If not, it may not have one. Or you can try my ...

7 years ago | 978 views

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