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Laila Kazemi


Ryerson University

14 total contributions since 2013

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Question


How Can I simulate non uniform background illumination?
I would like to add non uniform background illumination to some images to test some thresholding algorithms.

2 years ago | 1 Answers | 0

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Answered
How im2bw works in image processing when we change the level ??
So level is the threshold. Any pixel with intensity greater than the threshold is equal to 1 and pixels with intensity smaller t...

2 years ago | 0

Answered
how to segment hand from an image with non uniform lighting?
You need adaptive threshold since the background changes. I have not yet found a good code in matlab for this. you might have to...

2 years ago | 0

Question


What is the algorithm regionprops uses for fitting the ellipse based on the second moment?
I would like to recreate the results regioprops return for ellipse fitted to a data using the second central moment. I have impl...

2 years ago | 0 Answers | 0

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Question


How can I plot a sphere that is segmented into az-el angles?
I want to plot a sphere with r=1 that is divided into element of 10 degree in azimuth and elevation angle.

3 years ago | 1 Answers | 0

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Question


How can I find X smallest numbers in a Matrix?
I have a 480 by 640 matrix, and I would like to find 4 smallest number ( or closest values to zero).

3 years ago | 1 Answers | 0

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How can Make a structure that is 480 by 640 , and each cell has three fields X,Y,Z which are zero ?
How can Make a structure that is 480 by 640 , and each cell has three fields X,Y,Z which are zero ?

3 years ago | 1 Answers | 0

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Question


How can I get Infrared image from kinect in matlab?
I wanna use Image acquisition toolbox to obtain an IR image from kinect. not depth image.

3 years ago | 3 Answers | 0

3

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Simple Question about Optimization of a FOR loop
C= B*3 +1 A (1:55, 1:55)= C(1:55, 1) but the dimensions of ur matrices dont match , if B was 55 by 1 , it would have worked ...

3 years ago | 0

Question


in Matlab support package for Kinect, how can I get world coordinates for any given pixel?
I know I can use .JointWorldCoordinates to change the information about joint pixel to joint world coordinates. is there any way...

3 years ago | 0 Answers | 0

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Question


How can i get depth data from kinect in matlab?
I am confused all i can get is a video of depth, there is no info on how to obtain actual distances

3 years ago | 0 Answers | 0

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Question


How can I implement JointWorldCoordinates in matlab file for Kinect
im trying to use metaDataDepth.JointWorldCoordinates(:,:,1) line from matlab kinect tutorial but it gives me the following error...

3 years ago | 0 Answers | 0

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Question


About Simulink Roving-Explorer example for Lego NXT
I have a trouble with running Roving-Explorer example in simulink on my lego NXT. I get sensor values but the robot does not mov...

3 years ago | 0 Answers | 0

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Question


How can I write a command input shaping code for a control command?
I want to apply command input shaping technique for a pitch command.I have the code that stimulate satellite dynamic and its con...

3 years ago | 0 Answers | 0

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