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ramya raj


Active since 2011

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student
Professional Interests: image processng

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Question


reordering a matrix
hai every body i am doing a project for image hiding where i am dividing the images both host and secret into blocks and ...

12 years ago | 1 answer | 0

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Question


fitting image blocks
now i am doing a project for image hiding and the steps involved are 1. divide the host image into blocks 2.divide the ...

12 years ago | 0 answers | 0

0

answers

Question


computation time calculation
hai i want to calculate the computation time of a program in matlab is there any command in matlab to find the computaion...

13 years ago | 2 answers | 0

2

answers

Question


to move a virtual window
hai i have a image i have to move a window of height 700 and width 30 over the image continuously from left to right i have u...

13 years ago | 2 answers | 0

2

answers

Question


how to convert a exponentail to whole number
hai i want to convert an matrix of exponential values to whole numbers for example 3.6889e-005 -0.00017216 2.3815e-005 ...

13 years ago | 1 answer | 0

1

answer

Question


to find average value in a particular range of a matrix
hai i am having a matrix with values of size 1*700 i have to find the avg value of first 1 to 100 ,avg value of 100 - 200 an...

13 years ago | 1 answer | 0

1

answer

Question


manually drawing a graph
hai i am having some values like this for y co ordinate -2.2007e+05, -4.8102e+04, -2.8786e+04, -4.3840e+03, ...

13 years ago | 1 answer | 0

1

answer

Question


move a window from top to bottom
hai any one please tell me how to make window of size 100 pixels centered at a particular location to move from top to bottom...

13 years ago | 2 answers | 0

2

answers

Question


how to find the intensity of an image
hai i have to divide a image by the intensity of the original image is there any command available in matlab for finding ...

13 years ago | 3 answers | 0

3

answers

Question


doubt on how to divide by using the intensity of an image
hai i am studying about optic disc localization my work is to convert a two dimensional retinal image into two one dimensional...

13 years ago | 1 answer | 0

1

answer

Question


error in using blkproc
hai i am working with matlab R2009a and i have to move a window of size[30,265] over the image and calculate the sum of pixels i...

13 years ago | 1 answer | 0

1

answer

Question


doubt on using blkproc functiom
hai i am working with matlab R2009a and i have to move *a window of size[30,700] over the image and calculate the sum of pixels ...

13 years ago | 2 answers | 0

2

answers

Question


how to apply blkproc function
hai i am having a image of size 605X700 with NAN values i have to move a window of size 30x700 over this image i am trying to...

13 years ago | 2 answers | 0

2

answers

Question


how to calculat the sum of pixel vaules inside a particular region
hai i am studing about localization of the optic disc here i have to define two feature maps namely 1.vert...

13 years ago | 1 answer | 0

1

answer

Question


using nlfilter and colfilter f
hai jan Simon as you mentioned a have used *nlfilter* function but i am getting the result as *NAN* and the time taken for pr...

13 years ago | 0 answers | 0

0

answers

Question


sliding the rectangle using nlfilter
hai i am new to matlab and studing about optic disc localization in that my work is to develop two feature maps namely I ...

13 years ago | 2 answers | 0

2

answers

Answered
to make the rectangle move over the image
the rectangle can be created by using rectangle function which take the syntax of rectangle(x,y,w,h) x - x coordinate y - ...

13 years ago | 0

Question


move rectangle over te image
hai i am doing a project for locating the optic disc in matlab and i am new to matlab what i have to do is to move the rectang...

13 years ago | 2 answers | 0

2

answers

Question


to make the rectangle move over the image
hai i am new to matlab i doing a project for locating the optic disc for that i have create a rectangular window and make t...

13 years ago | 4 answers | 0

4

answers

Question


multiplying images with diffent dimension
[EIDT: 20110808 10:38 CDT - reformat - WDR] hai i am new to matlab now i am doing a project for locating the optic disc in re...

13 years ago | 1 answer | 0

1

answer