# Nikan Fakhari

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Question

Get the position of a single freehand ROI on axes with a click

Hi there, I have drawn three freehand ROIs on an UIaxes and I want to use the tools options to click on one ROI and extract the...

4 månader ago | 1 answer | 0

### 1

answerQuestion

How Could we mirror and Freehand ROI Object in Matlab?

Hi there, I have created freehand object in matlab and Im able to display it over an Image using the following Code: ROI_left...

7 månader ago | 2 answers | 0

### 2

answersQuestion

Moving ROI callback "lags" in addlistener function

Hi there, I have created a callback function using addlistener to excetue whenever I move my ROI object in a figure. This was ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Plotting real time data through serial port in MATLAB

Hi There, I have created a program in matlab that uses the bytesavailable function to read data through a serial port from ard...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Reading serial port data in MATLAB background

Hi There, I have wrote a program in MATLAB that countiously read data through the serial port (from Arduino) in the background...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Extract data from serial port after you disconnect it

Hi there, Is there any way to extract data from serial port after you disconnect it? I have data trasnfering from Arduino to...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Convert .WAV to MP3 in the absent of Waveread function

Hi there, I know that before we could of use waveread function in order to convert the .WAV file to MP3, however since this fu...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

Find out the recorded time of an audio file

Hi There, I have an .wav audio file which I have recorded and I would like to look into its metadata and extract the recorde...

ungefär 2 år ago | 0 answers | 0

### 0

answersQuestion

Transfer data from an App in computer desktop to matlab

Hi there, I have an app on my computer desktop that the shows real time heart rate data and I was wondering is there any way ...

ungefär 2 år ago | 1 answer | 0

### 1

answerQuestion

MATLAB does not read the data correct from the Oscilloscope

Hi there, Recently I have had issues with the binblockread function in matlab. I am trying to read a waveform from a oscillos...

mer än 2 år ago | 0 answers | 0

### 0

answersQuestion

Matrix index replance of non Nan value

Hi there, I have a matrix x = [5 6 7;8 9 10; 11 12 NaN] and another matrix with same as x, y = [1 4 7;2 5 8; 3 0 9]; an...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

Number of pixels while modifying freehand on a figure

Hi there, Is there a way so matlab contniously display the number of the pixels within ROI as Im modyfing the shape (shape of ...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

Add a user define property to freehand object

Hi there, I know that Freehand object does not have a rotatable property like drawrectangle. Can anyone tell me please how ca...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

Continuous rotation of freehand object on matlab figure

Hi there, I have displayed a ROI on the figure using freehand function and now I want the program to puase and wait for me to ...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

copy Freehand object from a figure and pate into another figure

Hi there, I have used the drawfreehand function in matlab using the command below to draw an roi in my figure and save it: z...

nästan 3 år ago | 2 answers | 0

### 2

answersQuestion

Image registration and motion correction

Hi there, We have acquired an ultrasound sequence with approxamtely 1200 frames and due to the fact that there were lots of ha...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

Column multiplication of two 2D matrices.

Hi there, I have two quite large matrices with the following sizes: A = rand(94037,2240) B=rand(2240,2240) I would like to ...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

Multiplication of large matrices

Hi there, I have two matrices that are relarively lagre (each one is 94,340 X 2240) and I need to multiply them together. I un...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

Creating a non-square diagonal matrix

Hi there, I have a vector A that contains 2240 elements and I wanted to create a non-square diagonal matrix out if (B) tha...

mer än 3 år ago | 2 answers | 0

### 2

answersQuestion

Extracting xy coordinate points from a matrix, based on a limit for x.

Hi there, I have a xy matrix as follows that contains x and y points. From xy matrix I would like to extract points that their...

mer än 3 år ago | 1 answer | 0

### 1

answerQuestion

Ultrasound Image processing of blood flow

Hi there, I am supposed to write a code that models a blood flow between two stationery tissue, To generate the data before ...

mer än 3 år ago | 0 answers | 0