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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. ...

約2ヶ月 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...

2ヶ月 前 | 0

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

2ヶ月 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...

2ヶ月 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. ...

2ヶ月 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 ...

2ヶ月 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 ...

2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...

2ヶ月 前 | 0

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Histogram equalisation process and errors
Given the way you're trying to do 1D lookup for the final remapping transformation, your input must be integer-valued and nonzer...

2ヶ月 前 | 0

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Why am I getting "Unrecognized function or variable 'fp'."?
Functions which are local to a script or local to another function are not accessible outside that scope. If you want your func...

2ヶ月 前 | 0

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How does the regionprops calculate the area or the eccentricity of an object?
If you want to know how regionprops() works, open it up and look. Unlike bwarea(), regionprops() calculates the simple unweight...

2ヶ月 前 | 0

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create mask (line) based on conditional (mask)
You could do it using ROI objects, but that would be terribly slow and prone to other problems. Here's an example: % dummy inp...

3ヶ月 前 | 0

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Creating a symmetric tile mosaic
I'm not really sure what the question was. "the color pattern but not the shape" really doesn't make much sense, since shapes i...

3ヶ月 前 | 0

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How to plot one curve and change color according to value
Also: % inputs thresh = 25; x = linspace(0,10,100); y = sin(3*x).*exp(0.5*x); % m is equivalent to (y>thresh), so it's en...

3ヶ月 前 | 1

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How to export images to a single pdf file
Saving images by taking screenshots will not ensure that the original resolution is preserved. I can only imagine that preservi...

3ヶ月 前 | 0

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copping grayscale image and remove any other borders or details
This example relies on the images being clean TIFF files of the expected size. It won't work on JPGs, and it won't work on the ...

3ヶ月 前 | 0

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Display/highlight specific pixels of in image
I can think of a few ways to create a composite grayscale + color labeled image, but it's not really clear to me what the actual...

3ヶ月 前 | 0

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How to make a specific bar to be hatched with a specific color
Here's a start x = [1,2,3,4,5]; y1 = [0.25 1.14 2.20 0.21 1.09 2.16 ; 0.48 2.26 4.40 0.42 2.20 4.34; 0.72 3.38 6.58...

3ヶ月 前 | 0

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matlab work slowly when plot
There are a number of things, but the biggest problem is something easily missed: plot(r*ones(numtoplot), x(initidx:reps), '.',...

3ヶ月 前 | 0

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Minimizing MATLAB windows while running?
I don't know why that reference answer got deleted, but it's still archived: https://web.archive.org/web/20150517051637/http://...

4ヶ月 前 | 1

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How to change the color of shapefile in pcolor plot
If you're using geoshow(), then you should be able to set the relevant properties of the object being created (e.g. the 'color' ...

4ヶ月 前 | 1

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How to calculate the percentage of each color in this image ?
I was bored and thought that the image itself was interesting. % decoding this image will produce a warning inpict = imread('i...

4ヶ月 前 | 1

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How can I isolate some objects from a image?
As per usual with these assignments, the images are either microscopic, or they're low-quality JPGs or both. Besides the practi...

4ヶ月 前 | 0

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Save an intensity image created with imagesc with true resolution
For maps of length 256 or 65536, the workaround using mat2gray()/ind2rgb() might be fine. There are things to consider. The qu...

4ヶ月 前 | 0

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Getting " Yet Another Color Gamut Visualizer" App Working
That FEX submission uses setstructfields() from the Signal Processing Toolbox. which setstructfields() -all For most practic...

4ヶ月 前 | 0

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Adjusting Y-Values in Histograms
The reason that the bar heights have discrete values is simply that the height represents an underlying integer count, and you h...

4ヶ月 前 | 0

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How to save an image without axis or white space?
First things first, unless you need to include other graphical objects (lines, markers, annotations) in the image, save images u...

4ヶ月 前 | 0

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Make a plot with gradient shaded confidence intervals
Look into how to configure patch() objects: https://www.mathworks.com/help/matlab/ref/matlab.graphics.primitive.patch-propertie...

4ヶ月 前 | 0

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How to read JPEG image in 12 bit or 16 bit format??
I've tested this in older versions, so it should have been fine in 2013. See https://www.mathworks.com/help/matlab/ref/imread....

4ヶ月 前 | 0

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Convert an 8 bit image to 12 bit
MIMT imcast() does this sort of rescaling without needing to jump through hoops. % a properly-scaled image of any class inpic...

4ヶ月 前 | 0

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