Questions tagged [anisotropic-diffusion]
The anisotropic-diffusion tag has no usage guidance.
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Derivation of 9 point Laplacian filter
I'm reading a paper on how construct isotropic laplacian filter, and perhaps because it's an old paper, the notation in it really bothers me a lot. So can someone please explain it to me? For example, ...
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How are the edges of an image obtained with anisotropic diffusion?
I already know how to implement the method and obtain a correctly diffused image, but in the papers related to the topic there is usually an edge map that's calculated after the diffusion is performed ...
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Which Anisotropic Diffusion Method is Best for Denoising Now?
The best standard may be varying from PSNR to human's visual feeling. Any one is OK.
I have tested J.Weickert's tensor diffusion and P&M's, they all can't satisfy me.
Is there any anisotropic ...
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Anisotropic Diffusion Outputs
I am providing 2 d grey scale images to the anisotropic diffusion function in MATLAB but not getting desired outputs. How many iterations are ideal and how should i approach this problem?I am keeping ...
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Comparison of Bilateral Filter and Anisotropic Diffusion
What are the advantages / disadvantages of bilateral filter and anisotropic diffusion for noise reduction?
EDIT: To be more specific - what are the practical differences in terms of quality, speed or ...
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Perona Malik Noise Estimator using Canny
In Perona and Malik, they state:
a histogram of the absolute values of the gradient throughout the
image was computed, and K was set equal to the ...
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Contour based blurring
Suppose I have an image of a cat and a binary mask image corresponding to cat's location as shown
I would like to blur the image region surrounding the cat but as a function of distance from the cat'...
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Effect of Gaussian Smoothing to mean image intensity
I am implementing Perona-Malik Diffusion in using the formulas:
Creating image at time k+1 using equation
This is my implementation:
...
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How to implement anisotropic diffusion using java?
I am working on an image processing project in java where we use anisotropic diffusion for scale space generation.
In the below equation, after finding the diffusion value.using the second equation, ...
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Perona Malik Anisotropic Diffusion Filter in HLSL
I'm trying to write a perona malik filter in HLSL
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What's the physical meanning and principle of applying anisotropic diffusion in transform domain？
I am reading several papers applying anisotropic diffusion in the transform domain like Shearlet, curvelet. All of them have got excellent results.
The physical meaning and principle of applying ...
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main direction in 2D map of data
It may be a very simple question. We would appreciate any comments, guide or complete solution. We prefer however incomplete solutions but novel practical ideas.
- How to find the main direction of ...
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Why is anisotropic diffusion useful in image processing?
I am working on anisotropic diffusion and the two coefficients proposed by Perona & Malik.
I wanted to know what is the use of diffusion in image processing? Why is anisotropic diffusion ...
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