# Brian

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Question

Please help with thresholding and bwareaopen to make binary image

I am thresholding a stack of images that look quite similar (serial CT scans of a model) into binary images (see sample image be...

6 years ago | 1 answer | 0

### 1

answerQuestion

Finding coordinates of point(s) that are specific distance(s) away on a slanted straight line

Hello, I am a physician trying to locate points of interest on medical images. My problem boils down to the following: I have...

6 years ago | 2 answers | 0

### 2

answersQuestion

Finding maximum across arrays with constraints

Hello community, I am trying to solve a maximum problem with constraints. I have 3 arrays: A(a,x,y), B(b,x,y), C(c,x,y). In s...

6 years ago | 1 answer | 0

### 1

answerQuestion

Fitting one histogram to another

Hello! I have a histogram (using imhist) with range x1 to x2. How may I fit it onto a second histogram (again from imhist) wi...

6 years ago | 1 answer | 0

### 1

answerQuestion

BW cluster removal based on size (all parameters identified)

Hello all, I have a stack of 512 by 512 labeled binary images ("lab") from which I wish to remove clusters that are smaller t...

6 years ago | 1 answer | 0

### 1

answerQuestion

Overlaying manipulated RBG with grayscale image

Hello all! I have an all red image ("red") that I combined with a binary mask ("mask"), such that only the pixels that are tr...

6 years ago | 1 answer | 0

### 1

answerQuestion

Invalid axes handle error message

Hello all, I have a GUI with two axes showing CT images (each with a slider to access different slices) and a image blend but...

6 years ago | 1 answer | 0

### 1

answerQuestion

Saving mouse click coordinates on image in GUI

Hello, How do I record up to 5 mouse click coordinates ([x,y] relative to the image with (0,0) being in the upper left) on a...

6 years ago | 1 answer | 0

### 1

answerQuestion

Slider GUI error with non-extreme values

Hello all! I am trying to create a GUI where the slider updates the image slice displayed. I've looked at various examples bu...

6 years ago | 1 answer | 0

### 1

answerQuestion

Obtaining coordinate values within circular ROI

Hello all, I have a function that receives xlist (vector of row coordinates) and ylist (vector of column coordinates) as inpu...

6 years ago | 1 answer | 0

### 1

answerQuestion

Preallocating matrix with a numeric trend

Hello all, I manually wrote out the following matrix, IMiteration (since I didn't know how to code for it): %% Define I1...

6 years ago | 1 answer | 0

### 1

answerQuestion

Using table cells as output field in GUI & loading background variables

Hello all! I am constructing a GUI (with guide), in which values from multiple "editable text fields" are taken for computati...

7 years ago | 1 answer | 0

### 1

answerQuestion

Radial average of 2D matrix

Dear Community I have a filter with a 256 by 256 double dimension. I would like to take the radial average (starting at the c...

7 years ago | 4 answers | 0

### 4

answersQuestion

Radial average of an image data

Hello all, I have a filter with a 256 by 256 double dimension. I would like to take the radial average (starting at the cente...

7 years ago | 0 answers | 0

### 0

answersQuestion

Creating matrix of unique combinations of variables

I need to create a matrix that lists out each combinations of variables in each row. Assume that I have 5 variables a1, a2, a...

7 years ago | 2 answers | 0

### 2

answersQuestion

Group-wise mean in multi-dimensional array (part II)

I have a 256*256*515 double array. It represents 515 images by the dimension of 256*256. Along the 515 axis, every 5 images belo...

7 years ago | 1 answer | 0

### 1

answerQuestion

Group-wise mean in multi-dimentional array

I have a cell array of the dimension 1 x 121 x 515. It represents 515 sets of 1 x 121 frequency data. Since every 5 sets (along ...

7 years ago | 1 answer | 0

### 1

answerQuestion

Averaging multiple cells element by element

I have 7 cells (named 'npsoutOrg1'...'npsoutOrg7'), each with a dimension of 5*1 cells. I want to take the average of each posit...

7 years ago | 1 answer | 0

### 1

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Saving multiple function outputs into respective cells in for loop

I have a function, nps2d that returns 4 outputs [nps,f,nps2,fx,fy]. I would like to save each of the 4 outputs in respective cel...

7 years ago | 1 answer | 0

### 1

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Image saved as DICOM doesn't match original

Dear all, I am a medical student postprocessing DICOM images, and wish to save the resulting image (I_blended) back into DICO...

7 years ago | 1 answer | 0