DGM

Last seen: Today|2015 이후 활성

Hi, I'm nobody. I don't belong here, but I have nothing better to do. Matlab used to be part of my work. Now it's part of my hobbies. That's pretty sad, really. Since the IT clowns hosed the mail server config, I only check my email once every month or two. If you're sending me questions about the forum, you won't get an answer. If you're sending me questions about my own FEX submissions, feel free, but accept the likely delay. Alternatively, ask a question on the forum and @DGM me so I'll get notified.

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How to show multiple colors in the same slots? (imagesc)
If each element of A represents a single "slot", then no. A pixel can be represented by only one color tuple. If you create ...

1일 전 | 1

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How to adjust the brightness of an image in YCbCr color space
你会做同样的方式你会做啊ther image, only you'd operate on the Y component alone. That said, "adjust the br...

2일 전 | 0

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For Loop maximum graph
Idk why membrane doesn't allow for the x,y data to be an output argument, but it doesn't. You can just create them anyway. m =...

2일 전 | 0

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repeated addition of a singular number
What's wrong with just defining a linear vector? x = 0.0001:0.0001:0.1

2일 전 | 0

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How to blend an image patch within an image?
First off, imfuse() is more of a tool for offhand comparison of two images, not as a practical image composition or blending too...

2일 전 | 0

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I want to slide 3*3 window across image (I)
What is the question? There are many examples of doing this the hard way. If that's what you want to do, feel free to look. O...

3일 전 | 0

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How to give trail to particles/ How to fade out plots with time (complex example)
Here's one way using scatter3() % setting initial conditions % Number of particles N = 3; % i'm using fewer points for ease ...

3일 전 | 0

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How to create a math function with changeable number of arguments.
You might want to start reading about the usage of varargin: //www.tianjin-qmedu.com/help/matlab/ref/varargin.html https://w...

4일 전 | 1

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extract vector from large vector
Instead of generating a bunch of loose vectors, it's often better to just use a matrix: A = [0 0 0 1 2 3 4 5 6 7 8 9 10 11 12 1...

4일 전 | 0

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Pairwise image subtraction from a folder
Trying to increment j won't work like that. Just specify a vector that skips every other integer. In this case, label_name has...

4일 전 | 0

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Can anyone please help me in resolving this error: Incorrect input size. The input images must have a size of [32 32 1].
Without any information, I'm going to assume that the images are not single-channel images. switch size(thisimg,3) case 1 ...

4일 전 | 0

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As a vector into a matrix of non-uniform length
Here's one way x = rand(1,123); % n = 1003, 2055 , 7062 m = 10; % output array height trimlen = floor(numel(x)/m)*m; % numb...

5일 전 | 0

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Summing of no. in a coloumn
A = 1:10 B = cumsum(A)

5일 전 | 0

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If statement for matrix
If you want to change array values, why are you using disp()? This will produce the output of the same size: A = rand(4,3); % ...

5일 전 | 0

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Separate arrays within loop using indexing?
You should just be able to use a cell array. start = [1,8]; stop = [7,11]; data = [2,2,2,3,3,4,4,2,3,4,4,2]; % same thin...

5일 전 | 0

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How invert only one colour in RGB image?
The easy way to do this is L inversion. You can do this the hard way, or you can just use MIMT tools: inpict = imread('scope.p...

5일 전 | 0

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How to convert logical vector to a number?
Well here's one way. logicVector = logical([1 0 0 0 1 0 0 0]); sum(2.^(numel(logicVector)-find(logicVector))) I have no i...

6일 전 | 1

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How to make a repetitive random array with a curtain interval?
It's not really clear what the requirements are for cycle length and whether each cycle needs to end on specific values, but may...

6일 전 | 1

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How to fill alternate regions in an edge-detected image with white color?
I'm just gonna put this here ... inpict = imread('//www.tianjin-qmedu.com/matlabcentral/answers/uploaded_files/112893/131edge...

6일 전 | 0

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make the white background transparent
Tangential, but ... It's true IPT/MATLAB has no idea what to do with it, but it's certainly possible. I don't remember how muc...

6일 전 | 0

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Image convert to RGB to YUV420
//www.tianjin-qmedu.com/matlabcentral/fileexchange/56857-yuv-processing-tool-for-matlab-r2015 //www.tianjin-qmedu.com/matla...

6일 전 | 0

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Any guess why am recieving this error xlabel(‘Time(sec)’) | Error: The input character is not valid in MATLAB statements or expressions. when i run this code shown
These characters: ‘’ are apostrophes, which aren't valid characters. What you need is a single quote ' plot(t,y*180/pi,'k'...

6일 전 | 0

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find figures (squares, rectangles, circles) with matlab
@Image Analyst's answer is leagues better than this, but I was toying with it last night. I figured I'd throw it out there. I ...

6일 전 | 2

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Color curve/Tone curve for an image
This is an example of how one might back-calculate the curve applied to an image. For the purposes of this example, I'm going t...

7일 전 | 0

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How to resize a specific part of an image?
It would help if the image weren't mutilated by compression to begin with, and it depends what the requirements actually are. I...

7일 전 | 1

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Assemble the generated graph
You'll have to adapt it to your data, but here are two ways: % an example vector with wrapping every 180deg x = linspace(-90,1...

8일 전 | 1

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How can i write infinite symble in matlab using keyboard shortcut
From this link: https://unicodeplus.com/U+221E Windows: Hold Alt, then type 2 2 1 E. Release Alt. Mac: Hold Alt ⌥, then ty...

8일 전 | 0

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Matlab produces empty figure when using plot(x,y,'-')
If you want your points to be connected by lines, save the data as vectors and then plot it outside the loop. If I can assume...

8일 전 | 1

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Overlay contourf plot to a JPEG
This is one example. You'll have to adapt it to the code you already have. I'm assuming it's preferred to do this with plottin...

8일 전 | 0

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Image Manipulation Toolbox
A large collection of image manipulation tools of varying utility

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