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DGM


Last seen: Today |  2015 年からアクティブ

Followers: 7   Following: 0

Hi, I'm nobody. I don't belong here, but I have nothing better to do. Matlab used to be part of my work. Now it's part of my hobbies. That's pretty sad, really.

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  • 36 Month Streak
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Why is 'Clip Limit' reversed in the 'adaptisteq' code?
In what "original CLAHE function"? IPT's adapthisteq() follows roughly the same behavior as Karel Zuiderveld's original examp...

約15時間 前 | 1

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split plane into set of squares
It's not clear where the bin limits actually are, but: % the data x = [1.33 1.89 9.27 9.46 9.20 7.43 6.08 5.57 6.70]; y = [8....

約17時間 前 | 0

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compute rotation angle of binary shape image without having primary image(image before rotation)
As far as I recall, regionprops() has never had a Rotation property, and even if it did, that wouldn't be how it's invoked. Let...

約21時間 前 | 0

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Segmented blur fails when adding segments on image
This is closer to how I'd do it. This is easier to use, it's not restricted to single-channel images, and it correctly handles ...

約23時間 前 | 0

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Colo alteration image acquisition GUI
If you want to use image() instead of imshow(), you'll need to read the synopsis. RGB inputs are rendered in truecolor, and are...

2日 前 | 0

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Numbers on the middle of colorbar in MATLAB
Assuming a discrete colorbar, % the setup z = magic(3); imagesc(z) % the values associated with each discrete level tick...

2日 前 | 1

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extracting table data from a plot picture question
It depends how the images vary and what you expect. This would normally be my recommendation: https://www.mathworks.com/matlab...

4日 前 | 2

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How to detect a circle and then lines in the circle? (Reading time off clock image)
I'm going to do this in a particular way because I want to, not because it's robust or univerally appropriate. Let's start by...

6日 前 | 0

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How do I fuse a JPEG image and a PNG with transparency.
Here's something simple for dealing with the arbitrary overlap. % inputs [FG,~,FGa] = imread('cancellation.png'); BG = imread...

6日 前 | 0

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how to generate correct logical mask of the size of shape file?
I don't have everything to run your example, but the last lines are a problem at the least.a Use numel() to return the total n...

7日 前 | 0

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recover color on image
I guess if I'm going to bump threads by fixing the formatting, I could at least try to answer them. This collection of threads ...

7日 前 | 0

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Unsharp mask amplification - limiting local contrast
I'm not sure I know what the goals are here, but I'll go. Instead of increasing global contrast, try a piecewise approach. % c...

8日 前 | 0

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how to extract connected components with similar height
There are some problems here. % the input image inpict = imread('fruittext.png'); inpict = im2gray(inpict); mask = imbinariz...

9日 前 | 0

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Difference between jpg files from Matlab and ImageMagick
I'm not familiar with whatever differences might be in the encoders, but there's one obvious thing that should be pointed out. ...

10日 前 | 0

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matlab code for face detection using RGB space color && skin color
Good gravy. This is what that section does. % using bwlabel is unnecessary unless you actually want to % explicitly use 4-...

10日 前 | 0

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I want to convert an image to dimension MxNx3 from MxNx4.
If you have a TIFF file, from which imread() returns a 4-channel image, then it's ostensibly a CMYK image. If the image is le...

10日 前 | 1

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No difference between font size units 'pixels' and 'points'
I'm not sure how it's doing the scaling internally, but my guess would start here: % units per em sz = 16; % units per inc...

12日 前 | 1

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Perform Google Search in Matlab
Here's a basic example. I'm pretty sure there are other ways of doing this, but the docs are a confusing maze. Last I checked,...

14日 前 | 0

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Est-ce que possible de transformer image niveau de gris en image RGB? Si oui pouvez-vous me donner un code qui fait cette transformation.
See also: How to i convert grayscale to RGB? (expansion, channel deletion, hue rotation, gcolorize, imblend, colormapping) htt...

19日 前 | 0

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How can I save a figure (in jpeg and pdf) from this code?
At least as of R2019b, saveas() and print() do not accept uifigure handles. The documentation suggests that's still the case, b...

19日 前 | 0

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This is face morphing. Now I want to save and convert to a gif image format.
Here: % inputs A = imread('tape.png'); B = imread('strawberries.jpg'); % parameters nframes = 20; framedelay = 0.1; dit...

20日 前 | 0

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Calculation of psnr value in RGB image. I have calculated psnr using this code. But the result obtained is a complex number. What should be the error??
There are plenty of problems. function PSNR = psnrgb(I,W) [m,n,p] = size(I); [h,w,q] = size(W); % obviousl...

20日 前 | 0

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Exporting Graphs from Matlab App in PNG or JPG
Using gcf() won't work. The GUI handles aren't immediately visible, so calling gcf will just open and capture an empty figure. ...

22日 前 | 0

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why use 0.008856 in Lab color space?
The L* function is piecewise, and epsilon is the breakpoint location in terms of relative luminance (obviously). What significa...

25日 前 | 0

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Undefined function or variable 'impixelinfo'.
impixelinfo() is part of the Image Processing Toolbox

25日 前 | 0

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Is it possible to use the makehdr MATLAB function with 16bit images?
This appears to have been a bug in makehdr(). As usual, it doesn't appear anywhere in bug reports, but starting somewhere aroun...

25日 前 | 1

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Imported greyscale image into ImageLabeler, the main workspace shows the image as black, but Image Browser shows correct images
A few things to know: The imageBrowser app will misrepresent grayscale images by automatically rescaling their dynamic range. ...

25日 前 | 0

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Can I override imshow InitialMagnification default behavior?
This can be set manually from the preferences dialog, under Image Processing Toolbox > IMSHOW Display. This can also be done ...

29日 前 | 0

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I'm being told "Function definition not supported in this context. Create functions in code file."
Because this loop %*************************************** %Matlab Runge Kutta Routine - NEED HELP for count = 1:1:numsteps ...

約1ヶ月 前 | 0

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How can I stretch an image non-uniformly?
I'm going to start this example using MIMT tools, since generating the displacement maps would otherwise be a chore. We can wor...

約1ヶ月 前 | 0

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