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bay rem


Active since 2016

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SIFT code for matching points based intensity
i'd like to know if it is possible to use the SIFT alagorithm to find matching point sbased on intensity information i really ne...

8 years ago | 0 answers | 0

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Question


is there an algorithm of matching based on intensity information
as i know aSURF ALGORITHM based only on position,i'd like to know ifthere is another algorithm of matching based on intensity in...

8 years ago | 2 answers | 0

2

answers

Question


How to multiply binary image and rgb image in matlab?
I have a binary image which is the segmented form of another color image . As you know , a binary image is 2-d but an rgb image...

8 years ago | 2 answers | 1

2

answers

Question


HOW to use SURF feature matching in a video
can anyone guide me to how to use an algorithm for feature matching in a video?

8 years ago | 0 answers | 0

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Question


anyone help me please to crop the image into 8 bloks, 4 rows and 2 columns
here there is the code i used where x is the original Image bbox1=x(1:size(x,1)/4,1:size(x,2)/2,:); var1=var(double(bbox...

8 years ago | 1 answer | 0

1

answer

Question


how to split blob from blob analysis to many blobs
while im working to detect motion in video, i used blobAnalysis to draw a blob for each moving object: blobAnalysis = visio...

8 years ago | 0 answers | 0

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Question


how to extract the time interval where variables start to increase
i have a function and i plot for every moment results of this function, such the image indicate, ,and then i want to detect the ...

8 years ago | 1 answer | 0

1

answer

Question


any idea of how can i detect a head's person in a video
i need to know if there is an algorithm that can be usfull for detecting heads? any idea please ?

8 years ago | 1 answer | 0

1

answer

Question


how can i found the part of an array where elements start to decrease then be constant
ihave an array where i plot it like the image describe,i wanna find the part where elements start de decrease an then be constan...

9 years ago | 0 answers | 0

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answers

Question


how can find a point from an array where the points it follows start to decrease
i have array contains points, somehow it exist a part of this array where are decreasing ,how can i find this part, i really nee...

9 years ago | 3 answers | 0

3

answers

Question


how to correct plotting
when i'm trying to plot in my code, results seems to be flipped upside down...how can i correct it, and why it i that way? than...

9 years ago | 1 answer | 0

1

answer

Question


what's wrong with this code, when i'm trying to read the 3 channels of each frame of the video
while i'm reading an RGB video, i wanted to extract for each frame its 3 channels? BUT here results looks weird, any one can Exp...

9 years ago | 1 answer | 0

1

answer

Question


what's the problem in this code, while i'm trying to extract the 3 channels of an RGB image?
while i'm reading an rgb video, i wanted to extract for each frame its 3 channels(R,G and B) but the results looks weird, here t...

9 years ago | 1 answer | 0

1

answer

Question


how to compare two variances of two RGB image
i calculate for each image its variance like below: for i=1:3 Var(i) = var(reshape(im1(:,:,i),[],1)); end how...

9 years ago | 0 answers | 0

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Question


is it right for an RGB image to calcule the variance with simple this way?
is it right for an RGB image to calcule the variance with var(image(:))?? not to calcul the variance of 3 chanels Red green blue...

9 years ago | 1 answer | 0

1

answer

Question


how to know if the image is homogeneous
i have a set of images and i'd like to extract from them the homogeneous images, like this following one (what i mean of homogen...

9 years ago | 1 answer | 0

1

answer

Question


HOW to find the most correspondant image from a set of images?
is there a way that it can find the corresponadance between images (without using matching algorithms), here there is an exp of ...

9 years ago | 0 answers | 0

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answers

Question


verify which one is the correct one to calculate
i tried both of those instruction to calculate variance of each blob in one image, both leads to different results, i dont know ...

9 years ago | 1 answer | 0

1

answer

Question


how to calculate degree of similarity between two images
i wanna know if there is a way to calculate degree of similarity between two images?

9 years ago | 1 answer | 1

1

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Question


can't understand the cause of this error, trying to crop multi blobs in one image
hello, i'm working with video motion, here it can be the case where we found many object mobile, i used blobAnalysis to delimi...

9 years ago | 1 answer | 0

1

answer

Question


how to crop many parts from one image
hello i'd like to crop two existed blob from only one image...but every time i try, only one blob will be cropped (with imrop i...

9 years ago | 1 answer | 0

1

answer

Question


motion detection with background subtraction
hello everyone; i'm working with motion detection, using "vision.ForegroundDetector" I'd like to just make sure about the pa...

9 years ago | 1 answer | 0

1

answer

Question


what's the diffeence between those two intsructions to tranform the RGB image to HSV one
the first example: frame1=rgb2hsv(frameRGB); frame=frame1; frame(:,:,3)=0; the seconde example: ...

9 years ago | 1 answer | 0

1

answer

Question


how can i correct this code to write a video
I've this code and i dont know how to write a video with images result: clear all; close all; clc; foregroundDet...

9 years ago | 2 answers | 0

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answers