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Ashish Uthama

MathWorks

Last seen: 4 Monate ago Active since 2011

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Answered
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...

fast 2 Jahre 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; ...

fast 4 Jahre ago | 1

| accepted

Answered
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...

fast 4 Jahre ago | 3

| accepted

Submitted


bigTiffWriter
A basic image adapter to write Big TIFF files.

mehr als 5 Jahre ago | 4 downloads |

Submitted


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

mehr als 5 Jahre ago | 1 download |

Answered
Start+count exceeds dimension bound (NC_EEDGE)
The |ncread| call in you |ncwrite| call returns the full variable, did you mean to use the variable |h| instead of the function ...

etwa 6 Jahre ago | 0

| accepted

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...

mehr als 6 Jahre 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...

mehr als 6 Jahre 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. ...

mehr als 6 Jahre 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...

mehr als 6 Jahre ago | 1

| accepted

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 ...

mehr als 6 Jahre ago | 6

| accepted

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...

mehr als 6 Jahre ago | 0

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

mehr als 6 Jahre ago | 0

| accepted

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...

mehr als 6 Jahre ago | 1

Answered
how can do a process on some images in a loop process while these images are not like a sequence?
Try the <http://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html |imageBatchProcessor|> a...

mehr als 6 Jahre ago | 1

Answered
combine 2 netcdf files into one
|ncwriteschema| only writes the 'schema',i.e things like variable and dimension definitions. You still need to follow this with ...

mehr als 6 Jahre ago | 0

Answered
Why the values of perimeter calculated using regionprops for Matlab 2010 and 2015 differ?
The <http://www.mathworks.com/help/images/release-notes.html release notes> R2014a appears to explain that the newer value is mo...

mehr als 6 Jahre ago | 1

| accepted

Answered
Problem with imshow command
Which |imshow| are you using? line 25 of the toolbox version does not appear to have an |fopen|. Try |which -all imshow|. You...

mehr als 6 Jahre ago | 0

Answered
Why do I need to add some addtitional files for the generated c code like "libmwbwpackctbb.h"?
Some of these functions use a <http://www.mathworks.com/help/images/list-of-supported-functions-with-usage-notes.html library> t...

fast 7 Jahre ago | 2

Answered
Use cell array to get inputs
The new <http://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html |image batch processor|>...

fast 7 Jahre ago | 0

Answered
How to show a sequence of images
You could try using the <http://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html |image b...

fast 7 Jahre ago | 0

Answered
Scan through an image to detect the mid points of 2 grey regions
See if this gives you any ideas: %% im = imread('/tmp/t.png'); imtool(im); % RGB? gray scale im = rgb2gray(...

fast 7 Jahre ago | 0

| accepted

Answered
How to apply pixel shift to individual pixels in image file?
Have a look at the displacement field syntax of <http://www.mathworks.com/help/images/ref/imwarp.html#inputarg_D |imwarp|>. Depe...

fast 7 Jahre ago | 2

| accepted

Answered
Why am I unable to call the ncread function to read NetCDF files?
Pedro, you might not have the latest version of MATLAB. |ncread| was first shipped with R2011a. If possible, consider upgrading....

fast 7 Jahre ago | 0

Answered
How to edit a particular variable in a netcdf file?
You could use the <http://www.mathworks.com/help/matlab/ref/ncwrite.html ncwrite> function to overwrite the variable.

fast 7 Jahre ago | 0

| accepted

Answered
Take coordinate data from struct, throw it into an array. Why is this hard to find info about?
Does this help? (If not, use this example code to show how you want your Centriod variable to look like) stats = regionpro...

fast 7 Jahre ago | 0

| accepted

Answered
NetCDF file grid box extraction
I got this far.. then realized no exact match exists for that lat/lon. So, conceptually, what do you want to do? Pick a point cl...

etwa 7 Jahre ago | 0

Answered
Image area calculation and edge detection...
If you have the latest version, try out the <http://www.mathworks.com/help/images/image-segmentation-using-the-color-thesholder-...

etwa 7 Jahre ago | 0

Answered
How to save a Tiff using signed values with LibTiff library.
You need one extra tag: intFinalImage = int16(magic(10)); tiffFile = 't.tif'; t = Tiff(tiffFile,'w'); %-------...

etwa 7 Jahre ago | 2

| accepted

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