Ashish Uthama

Last seen: 11 dagen ago | Active since 2011

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Read in part of large histological (ndpi) file
NDPI look like TIFF file, but unfortunately, they dont stick to the spec. It internally stores the full res image likely compres...

3 maanden ago | 0

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Blocking pixel label data for semantic segmentation DL training
Have not tried this - but instead of a pixelLabelDatastore, could you try to use another blockedImageDatastore to read the label...

5 maanden ago | 0

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How can I read a single band, from a multi-band GeoTiff file?
Please try the 'Bands' Name-Value argument in readgeoraster.

7 maanden ago | 0

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Regionprops handling of big images
@Marcio Teixeira - what is the maximum size of an individual 'region' that you are trying to analyze? If its small enough w.r.t ...

ongeveer een jaar ago | 1

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validation function and input size change for mask r cnn
Thanks for posting the image! You could try the Cellpose add-on and explore different models to see if some of the canned ones ...

ongeveer een jaar ago | 0

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pixel intensity gradient makes object detection by binary image segmentation fail
You could consider using cellpose (available in 23b): I see that you used a cropped image. If you have a larger image, you c...

ongeveer een jaar ago | 0

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Machine learning methods to segment cells
In 23b, you could try using the Cellpose add-on:

ongeveer een jaar ago | 0

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Blocked images larger than a certain size will not render in Image Labeler
Thanks for sharing the blockedImage representation - This is a JPG file. Which means there is really no way to do blocked IO (i....

meer dan een jaar ago | 1

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imageDatastore for volumetric images
blockedImage cannot convert the slices to a volumetric block on its own unfortunately! blockedImage is useful when you want to b...

bijna 2 jaar ago | 0

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Answered
Divide Image into Overlapping blocks and save it
input image size=2084 by 2084, output image sizes should be 2084 by 1042% with 50% overlapping Here is some sample code: im ...

ongeveer 2 jaar ago | 1

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Writing multilevel tiff from PNGs using blockedImage and setBlock
Unfortunately, its not easy to write to two different sub-directories in a TIFF file at the same time - hence the error. From y...

meer dan 2 jaar ago | 0

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How to delete level(s) from a blockedImage object?
I couldnt easily find info about the .SCN format, but since it looks like the default construction syntax works - I assume its s...

meer dan 2 jaar ago | 0

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How do I submit a algorithm with code to MATLAB to include the same in MATLAB image processing tool box?
Anand, like Rik suggested - I would recommened creating a File Exchange (FEX) submission. Do remember that adding documentatio...

meer dan 2 jaar ago | 0

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How to show Tiff stacks
It would help to clarify the nature of your input files (Folder of tiffs? One tiff file with multiple IFD/s? Or one tiff file wi...

meer dan 2 jaar ago | 0

Answered
Matlab only opens first frame of multi-page tiff stack
MATLAB R2020b has tiffreadVolume which supports non-BigTIFF volumes, greater than 4GB, created by ImageJ.

meer dan 2 jaar ago | 0

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How to run matlab coder generated code in serial / How to tell matlab coder not to use tbb libraries
Would you please try starting MATLAB with -singleCompThread on the session that is generating the code and check if that works f...

meer dan 4 jaar ago | 0

Answered
Inverse of a projective transformation doesn't work with imwarp
Try this: I = imread('cameraman.tif'); imshow(I) tform = projective2d([0.96119642,-0.44830978,-0.00025835048; ...

meer dan 6 jaar ago | 1

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unit test in image segmentation
Maia, The stackoverflow link you found has a lot of relevant detail, especially the one from user "jilles de wit". I would c...

meer dan 6 jaar ago | 3

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Submitted

bigTiffWriter
A basic image adapter to write Big TIFF files.

ongeveer 8 jaar ago | 4 downloads |

Submitted

nc3to4
Create a NetCDF4 classic model file from an existing NetCDF 3 (classic) file.

ongeveer 8 jaar ago | 2 downloads |

bijna 9 jaar ago | 0

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Answered
Repeat snake processing (loop) on the same image in order to detect several features
If you have a newer version, give the <http://www.mathworks.com/help/images/image-segmentation-using-the-image-segmenter-app.htm...

meer dan 9 jaar ago | 0

Answered
Generate C Code from MATLAB Coder
Look at <http://www.mathworks.com/help/coder/ug/package-code-for-other-development-environments.html?searchHighlight=PackNGo pac...

meer dan 9 jaar ago | 0

Answered
About quantization of image
_"i want images for all 16 levels"_ I interpreted it as - quantize to 16 levels and give me a mask for each of those levels. ...

meer dan 9 jaar ago | 0

Answered
Finding the Angle of Intersection of elements from two images
Attached an image (generated by |imshowpair|). <</matlabcentral/answers/uploaded_files/33168/1.png>> A rough off the top s...

meer dan 9 jaar ago | 1

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Answered
does compressing my training images in jpg format affect my results when l test my model on other image set in real time?
Probably.

meer dan 9 jaar ago | 0

Answered
Load time from netcdf file and retain the 'Hour' value
Instead of time = double(netcdf_time/24 + datenum('1900-01-01 00:00:00')); (netcdf/24 is still happening in int32, hence ...

meer dan 9 jaar ago | 7

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Answered
how can use more than one function in batch processing app that embedded in matlab2015 ?
Unfortunately not. One cludgy alternative if you only want to visualize - use |imfuse| to fuse the two outputs. functi...

meer dan 9 jaar ago | 0

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Answered
Return value of rgb2gray
It returns an MxN numeric array.

meer dan 9 jaar ago | 0

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Answered
Best tool for analysing/altering netcdf data (beyond read-only)
There are more functions in the |ncread| family - Have a look at all of them <http://www.mathworks.com/help/matlab/network-com...

meer dan 9 jaar ago | 1

Ashish Uthama

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