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Oded Scharf


Last seen: 1 year ago Active since 2018

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Question


create a video out of the existing one with a different frame rate
I have two signals that were taken together for 15 minutes and suppose to be perfectly synced, one is a video taken in 30Hz and ...

2 years ago | 0 answers | 0

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answers

Answered
open/convert WCP data file
try this package: https://www.mathworks.com/matlabcentral/fileexchange/49539-winwcp-matlab-importer

3 years ago | 0

| accepted

Question


correlation map sorted by hierarchy with dendrogram
Hey. I have a matrix of featurs X samples. I want to plot a correlation map between the features (features X features) that wil...

3 years ago | 0 answers | 0

0

answers

Question


matrix correlation in different directions
Hey, I would like to write a function thats gets two matrices and a direction (x-axis (o degrees)\yaxis (90 degrees)\diagonal...

3 years ago | 0 answers | 0

0

answers

Question


rotating a matrix without interpolation
Hey, I want to rotate a mtrix by a certain degree without interpolating the intermediate pixels and just place NaN in them. I ...

3 years ago | 1 answer | 0

1

answer

Question


Matlab shuts down when I close the laptop's lid
Hey, I have a Lenovo FLEX laptop with i7 processor and I'm using Matlab 19a. Almost each time that I close the lid the matlab s...

3 years ago | 0 answers | 0

0

answers

Question


creating an image by (x,y) coordinates and value (no grid)
Hey, I have a nX3 matrix where the first two colunms are x and y coordinates of the sample point and the third is the value in ...

4 years ago | 1 answer | 0

1

answer

Answered
Delete certain pixels in 3D matrix
I found that using PixelIdxList solves the problem

4 years ago | 0

| accepted

Question


difference between abrupt changes functions
Hey, I'm was trying to find changes in my signal and I used 'findchangepts' function which worked really good (I used both mean...

4 years ago | 0 answers | 1

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answers

Question


Delete certain pixels in 3D matrix
Hey, I need to clean a video by deleting specific pixels in each frame using 'regionprops'. When I use 'PixelList' in the ind...

5 years ago | 1 answer | 0

1

answer

Question


gene contains only ATGC
I have a list of genes (strings of letters) and I want delete the ones that has letters other than ATGC (N for example). how ca...

6 years ago | 1 answer | 1

1

answer

Answered
long execution time for simple lines like end and vector value addition
Hey, All of the vectors are pre-allocated and there are no inner functions in this function. Im attaching the code and the rel...

6 years ago | 0

Question


long execution time for simple lines like end and vector value addition
<</matlabcentral/answers/uploaded_files/115492/Capture.PNG>> I wanted to make my code more time efficient so looked in the pr...

6 years ago | 3 answers | 0

3

answers

Question


writing a matrix into a .txt file
I have a matrix of 65x10 and i want to open and write 9 txt files (from 2:10) each named by the first row at its column and cont...

6 years ago | 1 answer | 0

1

answer