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dai zhengguo


9 total contributions since 2009

Research associate in Beijing JX digital wave Co.ltd. Work on the medical image process and navigation system. Live in Nanjing now.
Professional Interests: Image Process; Computer Vision

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Question


StartPoint function for General model Fourier1
Here is the model(a0,a1,b1,w,x) = a0 + a1*cos(x*w) + b1*sin(x*w). I try to use curve fitting function. I want to find out the f...

3 years ago | 0 answers | 0

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answers

Question


modified gradient in 3D volume
The judgement in one paper is written as follows: abs( I(x+1/2*n) - I(x) ) < abs( I(x) - I(x-1/2*n) ), where n is a vector rep...

4 years ago | 0 answers | 0

0

answers

Submitted


A New Visibility Metric For Haze Images
A new visibility metric is proposed for judging which dehaze method is better.

8 years ago | 17 downloads |

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Question


Complaint from a matlab user about Operation termination!!
When I have run the matlab for a while, I terminated the program since I found a bug. Then nothing appeared in the workspace. I ...

8 years ago | 3 answers | 0

3

answers

Submitted


A GUI for Kaplan-Meier estimation of the survival function
A simple GUI for Kaplan-Meier estimation of the survival function.

8 years ago | 1 download |

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Submitted


Non Local Means Filter 2D
Non Local Means Filter for 2D Images

9 years ago | 4 downloads |

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Thinning Image
This is a parallel algorithm to thinning a image by two stages.

10 years ago | 11 downloads |

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Submitted


Detect Vessel direction
I use a series of gabor filters to detect the direction of vessel.

10 years ago | 1 download |