KaMu
University of Victoria
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Awarded to KaMu on 09 Oct 2019
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Awarded to KaMu on 20 Jul 2017
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Question
Determining range of fire colours on RGB space
Hi all, I am developing a code that detects fire from images. I need to build a ground truth that define the range of fire colo...
environ 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Simple question: determine the angle of the optical flow vector
Hi, I have simple question, I am using Horn-Schunck to compute motion using optical flow, using the computer vision tool box. I...
environ 10 ans il y a | 1 réponse | 0
1
réponseUsing Principle Component Analysis (PCA) in classification
I keep received emails that some one answer my question but I can't see any answers!
plus de 10 ans il y a | 0
Question
Principal component Analysis example on Matlab
I think there is something wrong here. I am applying the PCA through the statistical tool. I have a data XData that range from 1...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Using Principle Component Analysis (PCA) in classification
Hi All, I am working in a project that classify certain texture images. I will be using Gaussian Mixture model to classify all ...
plus de 10 ans il y a | 1 réponse | 0
1
réponseQuestion
Read Images by date created, not my name
Hello, is it possible in Matlab to read images by date created? I cant use foor loop as its hard to predict the images names. ...
presque 11 ans il y a | 1 réponse | 1
1
réponseQuestion
pixel position and its value
I have a grayscale image,with four double values 0.25, 0.75 1 and 0. I need to plot the X-axis co-ordination for each pixel ...
presque 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
Undefined function 'imgradientxy' for input arguments of type 'uint8'.
Hello, I am trying simple example for imgradient: I=imread('Gray.png'); [Gx, Gy] = imgradientxy(I); [Gmag, Gdir] = i...
presque 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Fitting data using Gaussian
I already asked this question before but I am trying to simplify it here. If I have a dataset that I have already fitted it usin...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Fitting data using Gaussian Mixture Model (GMM)
I am fitting multiple GMM models on my 3D data sets, it works well.But now I have a new data that I want to check if they are in...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Returning matrix value back from Single-Indexing-colon matrix
If I have a matrix 3X5: A = 1 2 3 4 5 4 3 2 1 5 7 5 3 2 5 ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Fitting model with Gaussian mixture model
I have used the Gaussian mixture model ' gmdistribution' to fit my data. I have get the results : 100 iterations, log-likelihoo...
environ 11 ans il y a | 1 réponse | 0
0
réponseQuestion
How to compute the RGB Pixel frequency that represents the colour in whole channels.
Hello Matlab experts, To compute pixels frequency on RGB image, we usually use histogram on each individual channel. Here my ...
environ 11 ans il y a | 1 réponse | 0
1
réponseQuestion
Optical Flow in Computer Vision tool box
In the vision.optical flow, How can I plot the vector direction. Quiver draw the vector into image and i have video player. It a...
plus de 11 ans il y a | 1 réponse | 0
0
réponseQuestion
Quiver function
Hello, How does quiver plot the arrows from u and v?
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
quiver AND the video player
Can we draw arrows using Quiver on the movie player? I would like to see motion while the video playing.
plus de 12 ans il y a | 1 réponse | 1
0
réponseQuestion
Computer Vision System Toolbox license
For several time i had this message: Reported by vision.VideoFileReader: Unable to checkout a license for the Computer Vision ...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Histogram part of data in matrix
Hello, I would like to see a histogram of a data that stored in 2d matrix that is >0.1. how can I do that? For example in matr...
plus de 12 ans il y a | 1 réponse | 0
1
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