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can image tiff convert to grayscale
image is a built-in function. Do not use it as the name of your variable. Zip up your image and attach the zip file with the p...

alrededor de 2 años hace | 0

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How would I properly go about creating this function?
What is "width_values"? You never set it equal to anything so of course it complains.

alrededor de 2 años hace | 0

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Not able to form the graph needed for the given equation. Error shown is in relation to the Matrix in the denominator, which I understand is wrong but can't get it right.
Try using 1./x and .*sqrt

alrededor de 2 años hace | 1

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Set MarkerFaceColor to be filled by default
Try this: x = 1:5; y = rand(1,5); l = plot(x,y,'o', 'MarkerSize', 30); l.MarkerFaceColor = [.6, .2, .9]; % Change color from...

alrededor de 2 años hace | 0

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How can I measure the (μm) length, diameter and radius of halloysite mineral?
Since most particles do not lie completely in the image or have one end obscured if they do, you can't get particle length. I s...

alrededor de 2 años hace | 0

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rotating image using app designer
Assuming you have an image variable, not a widget on the UI, called app.img, it should work. But I don't know what app.img is. ...

alrededor de 2 años hace | 0

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Why is my error not exactly 0
error is a built-in function. You must not use it as a name for your variable. Does the FAQ answer your question? https://mat...

alrededor de 2 años hace | 0

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How can I identify the region where the ferret is through color in the image?
Use the Color Thresholder app on the Apps tab of the tool ribbon. Also see color segmentation apps in my Image Segmentation Tut...

alrededor de 2 años hace | 0

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How can find connected region in RGB images?
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

alrededor de 2 años hace | 0

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I want to change the backgroung color of image into transparent and then work with the pixels of it
Start here: Watershed transform question from tech support » Watershed transform question from tech support Marker-Controlled ...

alrededor de 2 años hace | 0

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use rgb to caculate three brown ratio
You could try using kmeans with k=5 for the three browns, black, and white (for the letters). Or you could also use K nearest N...

alrededor de 2 años hace | 0

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Image segmentation to segment the large blob into singular objects MATLAB
What about my answer in your duplicate question: https://www.mathworks.com/matlabcentral/answers/2100681-image-segmentation-of-...

alrededor de 2 años hace | 0

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Why are all of my axes flipped in this figure?
Try axis xy or axis ij after you're all done plotting to see if one of those makes it the way you want it.

alrededor de 2 años hace | 0

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showing error " Array indices must be positive or logical values"
See the FAQ for a thorough discussion of the error: Subscript indices must either be real positive integers or logicals

alrededor de 2 años hace | 0

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potential issue with fscanf new line character, the newline character is /n coming from a c background i was trying \n.
Maybe you might want to try readlines instead.

alrededor de 2 años hace | 0

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Reconstruction of a blurred and noisy image
When I was in grad school, decades ago, my professor and I published a paper on "median window enhancement". The theory is that...

alrededor de 2 años hace | 0

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Finding both row and column indexes of nearest value
To find the nearest row and column, subtract the reference value from your matrix and then use find. To be super explicit, here...

alrededor de 2 años hace | 0

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Image segmentation of these pellets
It would be very very difficult to segment every single individual pellet, particulary since some are very small, some are "touc...

alrededor de 2 años hace | 0

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Zoom in on a particular part of the plot with circular view
You can adjust the graph's x limits to zoom in on the section you want: xlim If you want to make a new plot with a small porti...

alrededor de 2 años hace | 0

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Find similarities between two signals
The question is really what kind of metric(s) would be useful for you? How about RMS difference? rms How about mean absolut...

alrededor de 2 años hace | 0

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how can I make the vascular structures in the retina image incisively and clearly in image processing?
See this File Exchange entry: Trainable COSFIRE filters for vessel delineation with application to retinal eye images, ophthalm...

alrededor de 2 años hace | 1

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How Do I Implement Histogram Normalization for RGB Image?
Yes it will look weird. That's because you stretched each color channel independently and that destroys the color relationship....

alrededor de 2 años hace | 0

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Is it possible to make a video play through of points showing yaw, pitch, and roll values?
See my attached movie making demos.

alrededor de 2 años hace | 0

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how can I make the dilation and erosion process on the image in the cleanest way?
I don't think you need to do any of that for deep learning. You don't need to get rid of the black background in the corners....

alrededor de 2 años hace | 0

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how can i change image brightness ?
Try imadjust or adapthisteq

alrededor de 2 años hace | 0

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When running an exe created from a matlab app, where are the variables stored?
Steve's answer is right. However if you have your program store variables to disk files in the "current" folder, you might face...

alrededor de 2 años hace | 1

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Drawing on UI Axes in MATLAB app designer
There is a family of "draw" functions, like drawpolygon, drawfreehand, drawline, etc. Use one of them. See attached demos if y...

alrededor de 2 años hace | 1

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duration of rain. help
You might look into splitapply, grpstats, groupsummary, and findgroups. They are very useful functions to know about! 🙂

alrededor de 2 años hace | 0

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Detect monotonic decrease and record the corresponding rate
Does this help? D1= {'3/25/2024 15:01:10' 15 '3/25/2024 15:01:26' 25 '3/25/2024 15:01:42' 25 '3/25/2024 15...

alrededor de 2 años hace | 0

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How to make a logical mask using a shape file?
You have to define lat and lon as vectors before you use them in meshgrid to get the full matrices Lat and Lon as outputs.

alrededor de 2 años hace | 0