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li yan


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统计学

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how to index a cell array
Hi, I encountered a Matlab problem again. I want to access all struct field elements, which is an element of a cell array, at on...

6 years 前 | 1 个回答 | 1

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提问


Can I view the source code of auto driving toolbox
I'm interest in auto driving, and I find that matlab 2018 is published with auto driving toolbox. I want to learn the source cod...

6 years 前 | 1 个回答 | 0

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已回答
when i read a image in matlab i face this error and the values of image is not shown (Warning: Image is too big to fit on screen; displaying at 67% > In images.internal.initSize (line 71) In imshow (line 328) In InputFeature (line 5) )
It seems correctly, the first line should be *clear all;* 1. You should verify that the image is existing; 2. Is the img ...

6 years 前 | 0

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提问


why I cannot list specify files with function dir
I want to list all special files with specified extensions, such as all *.jpg files. I cd the matlab to the current folder, and ...

6 years 前 | 2 个回答 | 0

2

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how to calibrate synchronously radar and camera
As we all know that the synchronous calibration of radar and camera is the key step in ADAS system. Before collecting data of ra...

6 years 前 | 0 个回答 | 0

0

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提问


why the plot curve is not smooth as the fitted curve
I fitted a Quadratic curve, such as f = fit(x,y, 'ploy2'); If I plot the fitting curve plot(f, x, y) plot(f, x, y)...

8 years 前 | 1 个回答 | 0

1

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my colorbar exponent mark is located at bottom
<</matlabcentral/answers/uploaded_files/49488/%E9%94%99%E8%AF%AF.png>> yeah, the exponent mark is at the bottom right instead...

8 years 前 | 1 个回答 | 0

1

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已回答
who to replace a row in matrix ?
you just need to do like this B(1,:) = A(1,:);

8 years 前 | 3

已回答
how can i set an images pixels to black ?
I(I > 0.5) = 0;

8 years 前 | 0

提问


i'm confused about the function imnoise
I debuged the function imnoise to add Gaussian noise. I entered following code f = zeros(255); noisedImg = imnoise(f...

8 years 前 | 2 个回答 | 0

2

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提问


can matlab move a plot curve to a special position
I want to plot an image data of a row, and then let the curve be holded on the image at this row. The result should look like th...

9 years 前 | 0 个回答 | 0

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Matlab cannot read the tiff image
Matlab sometimes gives a warning when running the imread function to read a *TIFF* image. <</matlabcentral/answers/uploaded_f...

9 years 前 | 2 个回答 | 0

2

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how to plot a graph like this
<</matlabcentral/answers/uploaded_files/22006/%E6%8D%95%E8%8E%B7.PNG>>

10 years 前 | 1 个回答 | 0

1

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How can I use imfindcircles function to find circle centers without sorting
I used imfindcircles to find circles in an image, but the circles found are also sorted based on the strgenth of the circles! I ...

10 years 前 | 3 个回答 | 0

3

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