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# Kay

49 total contributions since 2009

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Responded

Re: Multiple linear regression
Hi Greg, Do u have any idea on how best to write this code to reflect the quadratic regression?

5 years ago | 4616 views

Posted

Multiple linear regression
Hi, I am trying to perform a linear regression with multiple predictors so as to have a correlation(model). Here are my data set...

5 years ago | 4616 views

Responded

Re: piecewise regression
Bruno, Thanks. I expect the change in gradient around 30-32. U can see it from the graph. I'll appreciate if any advice Cheers,...

6 years ago | 6842 views

Posted

piecewise regression
I've the following data as stated below: x =[10 15 20 25 30 31 32 32.5 33 33.5 34 34.5 35 36 40 45 49 ] y = [ 94.14 119.79 165....

6 years ago | 6842 views

Posted

Determine uncertanity in SLM tools
I am making use of Shape language modelling(SLM) tool to fit my data. How can determine the error or uncertanity? Also, can I pl...

7 years ago | 1057 views

Responded

Re: Linear piecewise fitting
Thanks. works very fine and I'll keep checking 4 more update.

7 years ago | 4374 views

Responded

Re: Linear piecewise fitting
Bruno, Thanks. d model worked now. however, can i read the corresponding x value where the break point or intersection took plac...

7 years ago | 4374 views

Responded

Re: Linear piecewise fitting
Hi Bruno, thanks for your mail. i've trying 2 understand ya model but quiet difficult. I tried the SLM tools, it looks a bit str...

7 years ago | 4374 views

Posted

Linear piecewise fitting
Hi, I am trying to fit a line across the data in the pictures: http://www.mypicx.com/12102009/data_for_fitting/ I want to use ...

7 years ago | 4374 views

Responded

Re: Matching filenames with the estimated values
I can display the filename using this code: for a = 1:length(jpegFiles) % loop to run large number of pictures filename = jpeg...

7 years ago | 1191 views

Responded

Re: Matching filenames with the estimated values
the problem is I have no clue on how to put it in cell array. I'll appreciate if you can give an hint on this.

7 years ago | 1191 views

Responded

Re: Matching filenames with the estimated values
For instance, I've 1000 images with these tag name: DSC_0001 , DSC_1000. After I've analysed my image, I want to match the tag n...

7 years ago | 1191 views

Posted

Matching filenames with the estimated values
How can I match the filenames with the estimated value? I am working on about 1000 images and i am analysing the images at onlue...

7 years ago | 1191 views

Responded

Re: Matlab to Excel
Thanks for yr mail. what i am interested is to assign the corresponding filename to my prcocessed value. advice will be apprecia...

7 years ago | 1014 views

Posted

Matlab to Excel
I'm working on thousands of images and I want to write the processed value against the actual image name in the excel. here is a...

7 years ago | 1014 views

Posted

Backgroud illumination
How can I estimate background illumination within an image?

7 years ago | 1634 views

Responded

Re: histogram equalisation
I am not familiar with your proposed alogrithm. i've large number of images, photoshop will not be appropriate

7 years ago | 4446 views

Responded

Re: histogram equalisation
I am having a bit of problem to enhancement the intensity value of my images. how best can i go abt this?

7 years ago | 4446 views

Posted

histogram equalisation
How best can I use 'histeq' that will make histogram for 10000 images to be the same? expecting your reply.

7 years ago | 4446 views

Posted

determine the area within the image
Hi, I am interested in determining the area between the red circle and blue circle as shown on this webpage: http://www.mypicx.c...

7 years ago | 689 views

Posted

determine the area within the circular
Hi, I am working on the sample picture as shown on this website: http://www.mypicx.com/10122009/Sample/ I am interested in dete...

7 years ago | 721 views

Posted

which of the image format is better for analysis?
Hi, I'll like to know which of the image format is better for analysis. Is it Tiff, JPEG or RAW? I'll appreciate your advice.

7 years ago | 793 views

Posted

Area covered by pixel
I am working on an image read into Matlab as matrix. I'll like to determine the area covered by the pixels within the picture. F...

7 years ago | 915 views

Responded

Re: how to assign filename?
I've about 1000 images that I am processing at the same time but it makes it difficult to know the exact image with the calculat...

7 years ago | 737 views

Posted

how to assign filename?
I've a set of images and the image with the highest intensity has been determined via taking the mean of each image. How can ge...

7 years ago | 737 views

Responded

Re: Determine mean from set of images
I don't have image processing toolbox with Matlab. some of the commands in d demo will not work. How can I determine the exact i...

7 years ago | 1604 views

Responded

Re: Determine mean from set of images
I've been able to figure out the maximum means from the set. I've been struggling to know the exact picture which is this. Can a...

7 years ago | 1604 views

Responded

Re: Determine mean from set of images
i tried the adapted code, it doesn't seem to work accurately. d highest mean was not detected. likewise the highest index was se...

7 years ago | 1604 views

Posted

Determine mean from set of images
I want determine the picture with the highest mean from a set of images loaded into matlab as matrix. The code is below. I want ...

7 years ago | 1604 views

Responded

Re: Brightness enchancement
This looks for confusing for me. I tried it but got this error msg "Integers can only be combined with integers of the same clas...

7 years ago | 4920 views