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skip data when reading binary
I have a binary data file, and I am reading it as such. fileID = fopen('2016.06.27_15.12.07_1.A.bin'); SDDdata = fread(f...
8년 초과 전 | 답변 수: 1 | 0
1
답변질문
Improve performance of linspace
I am needing to greatly improve the performance of a line of code. I need to run this line of code millions of times. But it cu...
대략 9년 전 | 답변 수: 4 | 0
4
답변질문
fill region with minimum number of rectangles
I have a image/matrix as shown in the attached picture. <</matlabcentral/answers/uploaded_files/35561/temp.jpg>> My goal...
9년 초과 전 | 답변 수: 1 | 0
1
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How to generate a sine signal with changing frequency, but with predetermined number of elements and periods?
Try this: http://www.mathworks.com/matlabcentral/fileexchange/41088-variable-frequency-sine-wave
How to generate a sine signal with changing frequency, but with predetermined number of elements and periods?
Try this: http://www.mathworks.com/matlabcentral/fileexchange/41088-variable-frequency-sine-wave
9년 초과 전 | 0
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Issue with "Unexpected MATLAB operator"
Without any code or more info, nobody can really help you.
Issue with "Unexpected MATLAB operator"
Without any code or more info, nobody can really help you.
9년 초과 전 | 0
질문
Outline polygon with square region
I have a polygon image(mask, 0's and 1's). Let us pretend it is a octagon of width 200 pixels in a 500x500 pixel image. I wa...
9년 초과 전 | 답변 수: 1 | 0
1
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How do I reverse the y-axis in image?
Alternatively, you can flip the array. Either fliplr or flipud Flip Left-Right, or Up-Down, depending on how your data is. ...
How do I reverse the y-axis in image?
Alternatively, you can flip the array. Either fliplr or flipud Flip Left-Right, or Up-Down, depending on how your data is. ...
거의 10년 전 | 2
답변 있음
random number generator to two different variables
They get different random numbers for me. Which version of Matlab are you using?
random number generator to two different variables
They get different random numbers for me. Which version of Matlab are you using?
거의 10년 전 | 0
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질문
Fast sorting data to Lissajous Curve
Hi community. I am trying to ascertain the quickest way to sort data to a Lissajous pattern, as I want to perform this in real t...
거의 10년 전 | 답변 수: 0 | 0
0
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How to reshape an array into 3 different matrix with different sizes?
It looks like you just want to split the array up. A=[1 2 3 4 5 6 7 8 9 4 5 3 5 3 2 5 4 2 4 7 5 ]; subData1 = A(1:...
How to reshape an array into 3 different matrix with different sizes?
It looks like you just want to split the array up. A=[1 2 3 4 5 6 7 8 9 4 5 3 5 3 2 5 4 2 4 7 5 ]; subData1 = A(1:...
대략 10년 전 | 0
| 수락됨
질문
Sending/recieving data via UDP
I am trying to make a program listen for data coming via UDP, and do stuff. So I am working on a UDP listener. I am then runni...
대략 10년 전 | 답변 수: 0 | 0
0
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Metric on how much to movie image to overlay
I found the function imregtfrom, which is the numerical output of the imregister function, not just the resulting overlayed imag...
Metric on how much to movie image to overlay
I found the function imregtfrom, which is the numerical output of the imregister function, not just the resulting overlayed imag...
대략 10년 전 | 0
| 수락됨
질문
Metric on how much to movie image to overlay
I am trying to overlay two images. I can successfully do that using imregister. I want some metric values out of this process th...
대략 10년 전 | 답변 수: 2 | 0
2
답변질문
Orientation using regionprops and getting orientation at each pixel
I am trying to use regionprops to find the orientation of objects/pixels in an image. I will then use this data for further calc...
10년 초과 전 | 답변 수: 0 | 1
0
답변질문
Fast comparison of values in array
I am using a data acquisition card pulling in data at MHz rates. I am needing to do a comparison of this data and threshold it. ...
10년 초과 전 | 답변 수: 0 | 0
0
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Network listener (TCP, UDP, etc)
I need to create a TCP, or UDP, listener. That is, I need it to just sit around and listen and wait for a command to come in, a...
거의 11년 전 | 답변 수: 2 | 0
2
답변질문
UDB background listener program
I need to create a UDP background listener that will listen for commands to come on over a UDP port, and when commands come in, ...
거의 11년 전 | 답변 수: 0 | 0
0
답변질문
Making image transparent for overlaying
I have a couple of images that I am using the imregister function from the Image Processing Tool Box. I have it working great. H...
대략 11년 전 | 답변 수: 1 | 1
1
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I made a 2D color plot, how do I turn the plot into an animation or video of the points being put into place? Thanks
The comet function is also quite nice. X = sin(0:.01:2*pi); comet(X) %or X = sin(0:.01:2*pi); Y =...
I made a 2D color plot, how do I turn the plot into an animation or video of the points being put into place? Thanks
The comet function is also quite nice. X = sin(0:.01:2*pi); comet(X) %or X = sin(0:.01:2*pi); Y =...
11년 초과 전 | 0
질문
Increasing speed of indexing
Hello community. I have a whole bunch of data (real data is being acquired and processed while running). In this example file, ...
11년 초과 전 | 답변 수: 0 | 1
0
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Load DLL error (64bit dll, 64bit Matlab, Win32 error)
Hello community! I am new to DLLs and all that crazy stuff, but I am trying to learn and use one. Specifically, I am trying to...
11년 초과 전 | 답변 수: 0 | 0
0
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colorbar position on imageplot with multiple figures
I have an image plot with two figure on it. When I add the color bar, with whatever location parameters I used, it uses those l...
11년 초과 전 | 답변 수: 1 | 0
1
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imshow update in realtime, colorbar causing it to slow down
Yes, I had been doing the set handle for making other things more efficient. I did not think that would make this more efficient...
imshow update in realtime, colorbar causing it to slow down
Yes, I had been doing the set handle for making other things more efficient. I did not think that would make this more efficient...
11년 초과 전 | 0
질문
imshow update in realtime, colorbar causing it to slow down
I am updating a display ~15 times a second using imshow. I want to display the colorbar on the side, but that seems to slow dow...
11년 초과 전 | 답변 수: 2 | 0
2
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Bin data to sinwave
Is there a easy and computationally efficient way to group data according to a sin wave? So say I have 20,000 data points, that...
11년 초과 전 | 답변 수: 0 | 0
0
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Make imshow more efficent
Walter Roberson When I do it that way, the image is not updated though. Before loop (y is just initial data) di...
Make imshow more efficent
Walter Roberson When I do it that way, the image is not updated though. Before loop (y is just initial data) di...
11년 초과 전 | 1
질문
Make imshow more efficent
I currently have in my code a imshow command, then followed by drawnow. My program is processing data from a acquisition card a...
11년 초과 전 | 답변 수: 2 | 0
2
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GUI access data from other callback functions
So, I am following some of the examples like I found on the internets. But I just can not seem to access data/variables set by o...
12년 초과 전 | 답변 수: 1 | 0
1
답변질문
GUI close open images
I would like to create a button that closes all open images. If I use the 'close all' command, it closes the GUI as well. Can I ...
12년 초과 전 | 답변 수: 1 | 0