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nadia


自 2014 起处于活动状态

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统计学

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how can I change autoencoder weights?
Hi, I train an autoencoder in matlab R2016a and I want to change some weights of encoder or decoder and flip them to zero or one...

6 years 前 | 1 个回答 | 0

1

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提问


code for white gaussian noise for image
Hi, I have a Lena image with size 512X512 and I want to add white Gaussian noise with mean=0 and variance=10 to this image. do...

6 years 前 | 2 个回答 | 0

2

个回答

提问


how can I compute memory usage?
Hi, I have a matlab program and I want to know how much memory my program use. is there any way to compute this? for example whe...

7 years 前 | 4 个回答 | 0

4

个回答

提问


jpeg attacks and watermarking?
I have a problem with watermarking in DCT domain. I divide image into 8*8 blocks and DCT transformed each block. when I embed wi...

7 years 前 | 0 个回答 | 0

0

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提问


how can i quantize an image
Hi, I want to quantize an image, this image is uint8 and I want to quantize it to 16 levels and for this aim I want to use bitse...

7 years 前 | 1 个回答 | 0

1

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提问


how can i randomize an image?
Hi, I have an image and I want to randomize it with special seed and convert the original image to random image, after that I sh...

7 years 前 | 0 个回答 | 0

0

个回答

提问


how can i randomize an image?
Hi, I have an image and I want to randomize it with special seed and convert the original image to random image, after that I sh...

7 years 前 | 2 个回答 | 0

2

个回答

提问


how can I implement exe file?
I have an exe file and I want to execute it with system function I use the below code: system(['E:/libsvm-3.11/windows/...

8 years 前 | 0 个回答 | 0

0

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提问


how can I do sharpening attack?
Hi, I want to do sharpening attack on image but I do not know how can I do it in matlab. is it any function or code for this?

8 years 前 | 1 个回答 | 0

1

个回答

提问


how can I compare two image after some changes?
HI, I want to compare two image and show the difference between them by a number. how can I do it? I want to normalize this diff...

8 years 前 | 1 个回答 | 0

1

个回答

提问


the impact of various attacks on frequencies
Hi, I want to know the impact of different image processing attacks on low and high frequencies. for example jpeg attack usually...

8 years 前 | 0 个回答 | 0

0

个回答

提问


wavelet base contourlet transform(WBCT)
I have a problem with WBCT. I don't know how to calculate it, first use wavelet and then apply contourlet on each sub-level of i...

8 years 前 | 0 个回答 | 0

0

个回答

提问


how can I find regions with more entropy in image?
I want to find regions in image that are more irregular or more messy for example in lena image the hair of lena is irregular fo...

8 years 前 | 1 个回答 | 0

1

个回答

提问


how can I fill an object in binary image?
after image segmentation I have a binary mask which has some holes on it and I can not fill them with imfill function. do you ha...

8 years 前 | 1 个回答 | 0

1

个回答

提问


how can i follow canny output?
I segment a mammography breast image but the border of it is not accurate. I also have canny output of the image. now, I want to...

8 years 前 | 1 个回答 | 0

1

个回答

提问


how can I remove small objects from binary image?
<</matlabcentral/answers/uploaded_files/61934/12.jpg>> I have a binary Image that is attached hear.my problem is small object...

8 years 前 | 1 个回答 | 0

1

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提问


how can i find diagonal line in image?
I have an image which contains canny output of it. now, I want to find diagonal line that exist in top left part of image. do yo...

8 years 前 | 1 个回答 | 1

1

个回答

提问


how can I find withe dots in image?
I have some mammography images and exist white spots in some of them. I want to extract this spots. do you have any suggestion?p...

8 years 前 | 0 个回答 | 0

0

个回答

提问


how can i delete special shape in image?
I have some mammography images and I want to delete rectangular shape in image, some of this images are attached here, can you h...

8 years 前 | 3 个回答 | 0

3

个回答

提问


how can i fill this competent?
I have a binary mask and I want to fill the hole but this hole is not connected. how can I do it?I attach this mask. thanks in a...

8 years 前 | 1 个回答 | 0

1

个回答

提问


the impact of different imageprocessing attacks on high and low frequencies
I have a question about the impact of different image processing attacks like jpeg,Gaussian noise, Gaussian filter, sharpening, ...

8 years 前 | 0 个回答 | 0

0

个回答

提问


wavelet based contourlet transform
I need wavelet-based contourlet transform matlab code but I cannot find this code,dose function with this ability exist in matla...

8 years 前 | 3 个回答 | 1

3

个回答

提问


mse of dct blocks
I have original block and attacked block with some attacks like jpeg, now I compute DCT of each blocks and I divide each DCT blo...

8 years 前 | 0 个回答 | 0

0

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提问


divide an image to overlapped blocks
I have an image with size 512*512 and I want to extract all blocks with size 31*31 in this image by sliding this window on each ...

8 years 前 | 2 个回答 | 0

2

个回答

提问


what is the swt output?
I want to do wavelet transform on one image with size 512*512,now I want to have the output with same size the original image no...

8 years 前 | 0 个回答 | 0

0

个回答

提问


crop an image with special percent
I want to crop an image but with special percent for example 5% automatically. my question is how can I do it?please guide me.

8 years 前 | 1 个回答 | 0

1

个回答

提问


crop an image with special percent
I want to crop an image but with special percent for example 5% automatically. my question is how can I do it?please guide me.

8 years 前 | 0 个回答 | 0

0

个回答

提问


wavelet transform and impact of different attack on different channel of it
I have a question about impact of different attack like jpeg, Gaussian noise,... on different coefficients of wavelet output. fo...

8 years 前 | 0 个回答 | 0

0

个回答

提问


mse calculation for part of matrix
I have 2 matrix one is original image and second is the attacked image(512*512), now I should divide both of them to 31*31 block...

8 years 前 | 1 个回答 | 0

1

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提问


how can i calculate rmse ?
Hi, I want to calculate rmse without using for loops between 2 images. this should produce a number not a matrix. can you help m...

8 years 前 | 2 个回答 | 1

2

个回答

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