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Veena Chatti


Last seen: mehr als ein Jahr vor |  Aktiv seit 2020

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Connecting labelmatrix and regionprops Pixel indices
Hi all, I have a list of 200-250 objects in a 512 x 512 image. I used bwconncomp to build a labelmatrix and also watershed and ...

mehr als 4 Jahre vor | 0 Antworten | 0

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imshow() for multiple selected objects
Hi, I have an image with ~200-250 labeled objects. How can I use imshow() to display multiple selected objects? When I try thi...

mehr als 4 Jahre vor | 1 Antwort | 0

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Extract label colors from label2rgb
I figured out one way: colors = NaN(max(LL(:)),4); for i = 1:max(LL(:)) % LL is my labelmatrix [r,c] = find(LL==i,1) ...

mehr als 4 Jahre vor | 1

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Assign specific colors to labelmatrix objects
Hi, Does anyone know how to use imshow() with a custom colormap linking labeled objects to RGB colors? I have a series of imag...

mehr als 4 Jahre vor | 0 Antworten | 0

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How to selectively apply colors using label2rgb to a watershed segmentation
I have a similar situation. I'm trying to use label2rgb to label the same specific objects tracked in multiple images with the s...

mehr als 4 Jahre vor | 0

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Extract label colors from label2rgb
Hi! I'm using label2rgb to label ~200-250 objects with watershed. Here is my code: labeledL = label2rgb(L,'turbo', [1 1 1], ...

mehr als 4 Jahre vor | 1 Antwort | 0

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Retaining specific colors while tracking objects
Hi! I'm using the watershed algorithm, combined with either 'turbo' or 'jet' to color detected objects. thewatershedimage = la...

mehr als 4 Jahre vor | 1 Antwort | 0

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Running watershed locally in a selected ROI/on selected objects
Hi, I have an image containing 200-250 objects detected by watershed. In some cases, the algorithm makes mistakes with over/un...

mehr als 4 Jahre vor | 0 Antworten | 0

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Detecting watershed oversegmentation errors
Hi, My watershed algorithm sometimes oversegments two objects when it should pick up one. I am tracking these objects in a sequ...

mehr als 4 Jahre vor | 1 Antwort | 0

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Limiting UIAxes Interactivity in AppDesigner
Hi! I'm using three UIAxes to display plots, and I'd like to be able to limit their interactivity such that the zoom in/out, an...

mehr als 4 Jahre vor | 4 Antworten | 0

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State button callback- break while loop?
Hi, I'm trying to loop through hundreds of frames in a file with the push of a state button and the use of a slider in AppDesig...

mehr als 4 Jahre vor | 2 Antworten | 1

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Compiler- Standalone App Dependencies
Hi, For people who have experience with Compiler- if I were to use some MATLAB toolboxes to create an App, and then use Compile...

mehr als 4 Jahre vor | 1 Antwort | 0

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imshow and montage with UIAxes
Never mind, it was really simple, and I figured it out. The value of app.V had to be rounded to the nearest integer before tryin...

mehr als 4 Jahre vor | 0

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imshow and montage with UIAxes
Hi! I'm trying to use the app designer to display an image from a stack of images in a TIFF file. The ~80 MB image is a 512 x...

mehr als 4 Jahre vor | 1 Antwort | 0

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Alternatives to 'datasample'
Hi! I'm looking for an alternative to the datasample function. It's a part of the Statistics & Machine Learning toolbox. Any id...

mehr als 4 Jahre vor | 1 Antwort | 0

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Reconstructing components from regionprops
Hi! I used the watershed in the Image Processing toolbox to detect certain objects, but I realize that it sometimes makes error...

mehr als 4 Jahre vor | 1 Antwort | 0

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Further documentation for regionprops
Hi! I'm looking for more detailed documentation on the mathematical definition of the Centroid property returned by regionprops...

mehr als 4 Jahre vor | 1 Antwort | 0

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ROI object property "does not exist"?
Hi all, I've been creating ROIs using specific coordinates in images, and strangely I see that when I click on the ROI object i...

fast 5 Jahre vor | 0 Antworten | 0

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Question about using randperm in a loop
Hi, I'm using randperm in a loop that's meant to generate unique random three-digit numbers to fill a 5x5 matrix, r, like this:...

fast 5 Jahre vor | 2 Antworten | 0

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Additional properties from regionprops
Hi all, I'm using regionprops to extract some properties from a watershed segmentation of polygonal objects in an image. It ret...

fast 5 Jahre vor | 2 Antworten | 0

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ROI Label Placement Issue
Hi, I'm trying use ROIs with labels, and unfortunately they are automatically placed exactly on top of something I don't want o...

fast 5 Jahre vor | 1 Antwort | 0

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Placing and labeling ROIs on an image
Hi! I'm looking to place ROI circles of the same size on about 5-10 coordinate points in an image. So far, I've extracted and ...

fast 5 Jahre vor | 0 Antworten | 1

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Subplot the same three variables from N mat files in a folder
Hi! I am trying to use subplot and was looking for tips on how to approach this: There's a folder full of N .mat files, and ea...

etwa 5 Jahre vor | 1 Antwort | 0

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