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Dongsheng


26 total contributions since 2010

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Responded


Re: Ctrl-C and Matlab freeze
Hi, Jim I met the same problem as well. Hope someone can solve this please. Best Dongsheng

5 years ago | 1869 views

Question


optimisation agrithm
Hi, everyone Hope you are well and thanks for your attention. Recently I frequently met a problem which might look stupid b...

5 years ago | 2 Answers | 0

2

answers

Responded


Re: Gaussion mixture model with fixed width
Thank you very much. I will try it. Best Dongsheng

5 years ago | 1873 views

Posted


Gaussion mixture model with fixed width
Hi, everyone Hope you are well. I got a 1D data and want to classify them. I assume their probability density function is made...

5 years ago | 1873 views

Question


Can matlab load data online
I am just wondering if matlab can connect the internet, for instance, load some online data? Best Dongsheng

5 years ago | 2 Answers | 0

2

answers

Responded


Re: 2D Gasssion fit
Thanks for you comment. I know it is difficult but unfortunately this is the truth I have to face. I got one image and there ar...

5 years ago | 1897 views

Posted


2D Gasssion fit
Hi, Everyone Thanks for you attention. I am trying to use 100 gaussion function added to fit a image which lead to more than 30...

5 years ago | 1897 views

Responded


Re: set value but squares appear!!!
Thanks. It is working!!! But still cannot figure out why sometimes it works after I use find function.

5 years ago | 1524 views

Responded


Re: set value but squares appear!!!
Thanks. but this is not the purpose of Matlab which is good at matrix instead of loops.

5 years ago | 1524 views

Posted


set value but squares appear!!!
Hi, everyone I met a strange question. I want set some pixels in my matrix to 1. I have gotten this address in my variable co. ...

5 years ago | 1524 views

Responded


Re: efficient MATALB script
Thanks. But if it is not Gaussion function, say an arbitrary matrix? Is it possible to add them?

5 years ago | 1100 views

Posted


efficient MATALB script
Hi, Everyone Sorry I began my programming life from C. So I prefer to use loops. But seems Matlab is good at matrix. This is...

5 years ago | 1100 views

Responded


Re: missing data fit
Hi John Your script is helpful, but it is still very difficult to deal with the large data missing holes. Is there any possibi...

6 years ago | 1876 views

Posted


missing data fit
Hi, everyone I have been searching it for a long time so that I am not sure if here is some convenient script for my situation:...

6 years ago | 1876 views

Responded


Re: Inaccuracy circularity
Hi, Cris Thank you. It works normally after I typed `dip_initialise`. But I am a little bit confused about the following code...

6 years ago | 9054 views

Posted


2D interpolation of scattering data
Hi, everyone I get a image, with some data point missing. I want to interpolate these data within this image. But interp2 need ...

6 years ago | 1083 views

Responded


Re: Inaccuracy circularity
Hi, David Thanks for your suggestion and previous help. But can you explain a little bit more about the solidity? Or give me th...

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Hi, Cris Thanks for your blog. However, I download your toolbox. It seem does not work well. ??? Attempt to execute SCRIPT dip...

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Hi, David Sorry I am only a beginner and started from C. That is why I always use loops. Can you paste you experiment script be...

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Thank you. I uploaded one of my images (lab.mat, URL: http://drop.io./czefwwy) . It is labeled binary image. And some simple cod...

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Thank you. I uploaded one of my images (lab.mat). It is labeled binary image. And some simple codes can get the the circularity....

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Hi, Thanks for your answer. But I am quite sure about the equation. I get reference http://en.wikipedia.org/wiki/Isoperimetric...

6 years ago | 9054 views

Responded


Re: Inaccuracy circularity
Hi, David Thanks for your interest of discussing. The average of my particles is 100 pixels , and the distribution is reasona...

6 years ago | 9054 views

Posted


Inaccuracy circularity
Hi, everyone Now I am doing some image processing analyzing particle. I made my image binaried. And I use the " regionprops " t...

6 years ago | 9054 views

Responded


Re: fit the histgram
THANKS, I SORTED IT OUT. DONGSHENG

6 years ago | 1453 views

Posted


fit the histgram
Hi, . Obviously, this histgram cannot be simple gaussion function. So, I want to used gussion added another function to fit it...

6 years ago | 1453 views