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# Mary

Active since 2011

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Question

Implementing Hough transform for points with X and Y coordinates.
Hi all I have the x-y coordinates of 10 points in two rows, each 5 points in one row. I want to plot these points and impleme...

meer dan 10 jaar ago | 1 answer | 1

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Question

Edge detection using the Hessian based Frangi Vesselness filter
Hi every one I have coloured image (image.jpg) and I want to detect the edges in this image using Hessian based Frangi Vess...

meer dan 10 jaar ago | 1 answer | 1

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Question

how to draw circles with different radii
Hi all I am new to matlab. I want to draw circles with x and y-coordinates stored in X-matrix and Y-matrix with radius stored...

bijna 11 jaar ago | 2 answers | 0

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Question

How to match an input value with values stored in array or a file
Hi everyone I am new to Matlab. I have a matrix consists of four columns. The first column is the object number, the second col...

bijna 11 jaar ago | 2 answers | 0

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Question

Search for line passing through a point in edge image
Hi all I have an color image and I converted it to gray image then I do edge detection using 'canny'. The edge image contains...

ongeveer 11 jaar ago | 1 answer | 0

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Question

converting RGB images to HSV images
Hi all I have an image and I converted it from RGB to HSV. I know H is between 0-360 degree. when I separate the H, S, V , I fo...

ongeveer 11 jaar ago | 1 answer | 0

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Question

detecting the color of a point in the image
Hi all I am new to matlab. I need to detect the tree in the image. first I tried to project a point with(Xp, Xy) on the image...

ongeveer 11 jaar ago | 1 answer | 0

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Question

Projection of laser points on the image plane
Hi all. I am using laser scanner and webcam to detect objects. In my work I need to project laser points onto the image of the...

ongeveer 11 jaar ago | 0 answers | 0

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Question

how to read the timestamp of file
I have 10 files with extention (.csv). I need to read the timestamp of each file (unix timestamp) and save them in one column in...

ongeveer 11 jaar ago | 1 answer | 0

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Question

laser and camera calibration
Hi all. I am doing laser and camera calibration using matlab. I downloded the calibration toolbox software and I took 20 sets of...

ongeveer 11 jaar ago | 0 answers | 0

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Question

how I can detect brown color using HSV
Hi guys I am new to image processing . Could anyone help me to find the codes in matlab to detect the brown color in an image...

meer dan 11 jaar ago | 0 answers | 0

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Question

how to detect brown color in MATLAB.
Hi guys I am trying to detect the brown color in image . PLease could anyone help me? [Merged information from duplicate ...

meer dan 11 jaar ago | 0 answers | 0

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Question

line detection using hough transform
Hi guys I am trying to fit lines between some points using Hough transform. could you please help me with the steps in MATLAB

meer dan 11 jaar ago | 0 answers | 0

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Question

the relation between the distance and the number of pixels in the image
Hi guys I am trying to find the relationship between the number of pixels and the distance . I have taken some images for a pol...

meer dan 11 jaar ago | 1 answer | 0

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Question

phase trajectory plot
Hi guys, I need your help to know how to draw the phase trajectory of a system in the phase plane. the system is represented by...

meer dan 12 jaar ago | 1 answer | 0

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Question

phase trajectory drawing of a system
Hi guys,Could you please help me to find the instructions in matlab to draw the phase trajectory of a system in the phase plane....

meer dan 12 jaar ago | 0 answers | 0

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Question

the use of the linear quadratic requlator method in the state space controller and observer design
hi guys,I am new in matlab and simulink. can you help me find a degin method to find the values of the R and Q matrices that are...

meer dan 12 jaar ago | 1 answer | 0