Answered

Arrange words and phrases separated by semi-colon into a single column

% Simulated data covering two months. Phrases = ["EARLY-TYPE GALAXIES; X-RAY; DENSE CLUSTERS" "LOCAL CONVERGENCE DEPTH; TU...

Arrange words and phrases separated by semi-colon into a single column

% Simulated data covering two months. Phrases = ["EARLY-TYPE GALAXIES; X-RAY; DENSE CLUSTERS" "LOCAL CONVERGENCE DEPTH; TU...

environ un an ago | 0

| accepted

Answered

How to find integral over 2D image

Try integralImage. This function computes a cumulative in both directions, which would approximate the two-dimensional integral ...

How to find integral over 2D image

Try integralImage. This function computes a cumulative in both directions, which would approximate the two-dimensional integral ...

environ un an ago | 0

Answered

How do I get the actual mesh Vertices and Triangles generated by the spiralRectangular function in the Antenna Tool Box?

I don't see a documented interface for this, but you can find the patch object produced by the show method and then get the face...

How do I get the actual mesh Vertices and Triangles generated by the spiralRectangular function in the Antenna Tool Box?

I don't see a documented interface for this, but you can find the patch object produced by the show method and then get the face...

environ un an ago | 0

Answered

Disoriented Matlab output plot

Try using a regular text object instead, like this: text(0,41.75,string(0),'FontSize',8,'HorizontalAlignment','center')

Disoriented Matlab output plot

Try using a regular text object instead, like this: text(0,41.75,string(0),'FontSize',8,'HorizontalAlignment','center')

environ un an ago | 0

Answered

Log axis with percentage tick labels

From what I can tell, the ruler object ignores the TickLabelFormat property (which is set by ytickformat) when the Scale is 'log...

Log axis with percentage tick labels

From what I can tell, the ruler object ignores the TickLabelFormat property (which is set by ytickformat) when the Scale is 'log...

environ un an ago | 0

Answered

Help calling my basic function

You must use the filename as the function name when calling your function. MATLAB will not pay attention to the "n" inside the f...

Help calling my basic function

You must use the filename as the function name when calling your function. MATLAB will not pay attention to the "n" inside the f...

environ un an ago | 1

Answered

Why does evaluating a function with symbolic variables take so much longer than with a double?

When MATLAB performs arithmetic on normal numeric values, which are represented internally as double-precision floating-point nu...

Why does evaluating a function with symbolic variables take so much longer than with a double?

When MATLAB performs arithmetic on normal numeric values, which are represented internally as double-precision floating-point nu...

environ un an ago | 2

| accepted

Answered

Any way to polish / improve the output produced by the Lab colour space segmentation.

I used the Color Thresholder app in the Image Processing Toolbox to give this a try. rgb = imread('b4.jpeg'); colorThresholder...

Any way to polish / improve the output produced by the Lab colour space segmentation.

I used the Color Thresholder app in the Image Processing Toolbox to give this a try. rgb = imread('b4.jpeg'); colorThresholder...

plus de 2 ans ago | 1

| accepted

Answered

Raw image file conversion in MATLAB

Steffen, I have seen your tech support case escalation, and I have looked at the file you sent to MathWorks. The MATLAB functi...

Raw image file conversion in MATLAB

Steffen, I have seen your tech support case escalation, and I have looked at the file you sent to MathWorks. The MATLAB functi...

plus de 2 ans ago | 1

Answered

hi i've a problem the function newline dosen't work in matlab 2016a??

The function newline was introduced in R2016b. Instead of newline, you can use char(10) or sprintf('\n').

hi i've a problem the function newline dosen't work in matlab 2016a??

The function newline was introduced in R2016b. Instead of newline, you can use char(10) or sprintf('\n').

plus de 3 ans ago | 1

Answered

error - Undefined function 'extractHOGFeatures' for input arguments of type 'double and Undefined function 'detectMSERFeatures' for input arguments of typ ,

These functions are in the <https://www.mathworks.com/products/computer-vision.html Computer Vision System Toolbox>.

error - Undefined function 'extractHOGFeatures' for input arguments of type 'double and Undefined function 'detectMSERFeatures' for input arguments of typ ,

These functions are in the <https://www.mathworks.com/products/computer-vision.html Computer Vision System Toolbox>.

plus de 3 ans ago | 0

Answered

How is image downsized when "Image is too big to fit on screen"?

Nearest-neighbor interpolation.

How is image downsized when "Image is too big to fit on screen"?

Nearest-neighbor interpolation.

plus de 3 ans ago | 1

| accepted

Answered

immse same size error

Compare the output of size(X) and size(C) to double-check your assumption that X and C are the same size.

immse same size error

Compare the output of size(X) and size(C) to double-check your assumption that X and C are the same size.

plus de 3 ans ago | 0

Answered

Resize images in multiple directories

Consider using the <https://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html Image Batch ...

Resize images in multiple directories

Consider using the <https://www.mathworks.com/help/images/batch-processing-using-the-image-batch-processor-app.html Image Batch ...

presque 4 ans ago | 1

Answered

The Bilinear Interpolation Embedded Matlab Function Vs Bilinear Interpolation 'Re-Written or Coded' Function

At least one significant difference between your code and imresize is that your code appears to use a different shift in the geo...

The Bilinear Interpolation Embedded Matlab Function Vs Bilinear Interpolation 'Re-Written or Coded' Function

At least one significant difference between your code and imresize is that your code appears to use a different shift in the geo...

plus de 5 ans ago | 0

Answered

Changes with array operations in 2016a prerelease vs 2016a?

No, you are not going crazy. We were trying some new behavior in the prerelease for some operators and functions. Testing reveal...

Changes with array operations in 2016a prerelease vs 2016a?

No, you are not going crazy. We were trying some new behavior in the prerelease for some operators and functions. Testing reveal...

plus de 5 ans ago | 2

| accepted

Answered

Display a struct as a table

Convert the string containing the date and time into a datetime value, and then it will display better in the table. aStruct...

Display a struct as a table

Convert the string containing the date and time into a datetime value, and then it will display better in the table. aStruct...

presque 6 ans ago | 2

| accepted

Answered

How to export return value of bwboundaries to DXF file format?

B{1} returns a matrix containing the coordinate values of the first boundary. B{2} returns a matrix containing the coordinate va...

How to export return value of bwboundaries to DXF file format?

B{1} returns a matrix containing the coordinate values of the first boundary. B{2} returns a matrix containing the coordinate va...

environ 6 ans ago | 0

Answered

Bug eps, pdf matlab 2014b surface plot (contourf)

Hi Loïc, Prior to R2014b, the MATLAB graphics system used a different process, with a different set of vector primitives, for...

Bug eps, pdf matlab 2014b surface plot (contourf)

Hi Loïc, Prior to R2014b, the MATLAB graphics system used a different process, with a different set of vector primitives, for...

environ 6 ans ago | 0

| accepted

Answered

Serious problem with "createMask" function.

Here is some code illustrating how to use bwboundaries to get X-Y polygon vertices that work better for mask creation via create...

Serious problem with "createMask" function.

Here is some code illustrating how to use bwboundaries to get X-Y polygon vertices that work better for mask creation via create...

plus de 7 ans ago | 1

| accepted

Answered

Serious problem with "createMask" function.

If you are clicking on the centers of the border pixels, then half of the border pixels lie inside the polygonal region you sele...

Serious problem with "createMask" function.

If you are clicking on the centers of the border pixels, then half of the border pixels lie inside the polygonal region you sele...

plus de 7 ans ago | 1

Answered

how can i do 2d dft for image without using built-in function(fft2) and get matrix values for the separated magnitude and phase of an image after 2d dft?

F = fft2(f); F_mag = abs(F); F_phase = angle(F);

how can i do 2d dft for image without using built-in function(fft2) and get matrix values for the separated magnitude and phase of an image after 2d dft?

F = fft2(f); F_mag = abs(F); F_phase = angle(F);

environ 8 ans ago | 0

Answered

overlay to image matrix together

Image Analyst's answer to use imfuse is good. To use imfuse, you have to have the Image Processing Toolbox with version R2012a o...

overlay to image matrix together

Image Analyst's answer to use imfuse is good. To use imfuse, you have to have the Image Processing Toolbox with version R2012a o...

environ 8 ans ago | 0

Answered

Matlab 2012a vs. Matlab 2013a

From the <http://www.mathworks.com/help/images/release-notes.html Image Processing Toolbox Release Notes> for R2012b and R2013a:...

Matlab 2012a vs. Matlab 2013a

From the <http://www.mathworks.com/help/images/release-notes.html Image Processing Toolbox Release Notes> for R2012b and R2013a:...

plus de 8 ans ago | 4

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Answered

What algorithm is behind matlabs bwmorph skel function?

bwmorph 'skel' uses the iterative thinning algorithm described on pages 170-171 of Haralick and Shapiro, _Computer and Robot Vis...

What algorithm is behind matlabs bwmorph skel function?

bwmorph 'skel' uses the iterative thinning algorithm described on pages 170-171 of Haralick and Shapiro, _Computer and Robot Vis...

plus de 8 ans ago | 2

Answered

How to clear objects connected to the lower borederof the image?

% Start by padding the image with 0s on the left, top, and right. bw2 = padarray(bw,[1 0],0,'pre'); bw3 = padarray(bw2,[...

How to clear objects connected to the lower borederof the image?

% Start by padding the image with 0s on the left, top, and right. bw2 = padarray(bw,[1 0],0,'pre'); bw3 = padarray(bw2,[...

plus de 8 ans ago | 0

| accepted

Answered

can any one tell me how to convert an image of type 'unit8' to the image of type 'float'.basicaly i am following a book of 'Digial Image Processing Using Matlab' where they try to enhance a gray image .following is the code.thanks in advance

tofloat is a function provided with the book you are reading. You can find it in Appendix C on page 806.

can any one tell me how to convert an image of type 'unit8' to the image of type 'float'.basicaly i am following a book of 'Digial Image Processing Using Matlab' where they try to enhance a gray image .following is the code.thanks in advance

tofloat is a function provided with the book you are reading. You can find it in Appendix C on page 806.

plus de 8 ans ago | 0

Answered

Can I install MATLAB R2006a on a MacBook Pro with Intel Core 2 Duo processor

No. The R2006a Mac version of MATLAB requires a Power PC processor. It won't run on an Intel processor. See the System Requireme...

Can I install MATLAB R2006a on a MacBook Pro with Intel Core 2 Duo processor

No. The R2006a Mac version of MATLAB requires a Power PC processor. It won't run on an Intel processor. See the System Requireme...

presque 9 ans ago | 1

Answered

Getting warning about IPTCHECKNARGIN when using IMLINE after 2012a upgrade

We did bother to update our own code. imline in R2012a does not contain any calls to iptchecknargin. Perhaps you have an old ...

Getting warning about IPTCHECKNARGIN when using IMLINE after 2012a upgrade

We did bother to update our own code. imline in R2012a does not contain any calls to iptchecknargin. Perhaps you have an old ...

presque 9 ans ago | 0

| accepted

Answered

How can I solve memory leak in fft?

It is not an actual memory leak. MATLAB does cache (save for reuse) tables of trigonometric values for use in subsequent calls t...

How can I solve memory leak in fft?

It is not an actual memory leak. MATLAB does cache (save for reuse) tables of trigonometric values for use in subsequent calls t...

presque 9 ans ago | 1