Statistics
RANK
34,297
of 301,172
REPUTATION
1
CONTRIBUTIONS
18 Questions
1 Answer
ANSWER ACCEPTANCE
72.22%
VOTES RECEIVED
1
RANK
of 21,183
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 173,200
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Discussions
AVERAGE NO. OF LIKES
Feeds
Question
Image analysis of surface texture
The attached image shows different surface pattern types. I've labelled tiger stripes as "1", leopard spots as "3" and amorphous...
2 days ago | 0 answers | 0
0
answersQuestion
Finding contiguous regions of interest in a mask and calculating the mean values of those regions when the mask is applied to an array
I have a 2-d logical array (1024 rows, 1280 columns) that contains 12 "islands" of 1s in a sea of 0s. I can label the islands us...
1 year ago | 2 answers | 0
2
answersQuestion
Removing Gaussian noise from an image (method comparison)
Can someone give me a steer on the best way to remove random speckle from a monochrome image? I have a series of 16-bit monochr...
1 year ago | 0 answers | 0
0
answersApply 2-D logical mask to obtain masked third dimension values in 3-D array
(Can you answer your own question?) This seems to work without the loops. Is there a better approach? % Set up the example 3-D...
1 year ago | 0
Question
Apply 2-D logical mask to obtain masked third dimension values in 3-D array
This is difficult to describe in words so I have given an example below. I have a 3-D array. Some of the values are NaNs (althou...
1 year ago | 2 answers | 0
2
answersQuestion
How to combine three colour channels into the 'best' sRGB representation using a colour checker chart?
There is probably no 'right' answer for this but I would appreciate some advice from image experts! I have a 16-bit 1280 x1024 ...
2 years ago | 1 answer | 0
1
answerQuestion
Convert an array of numbers into a color mapped image
I have a 2-d array of integers. It has 1024 rows and 1280 columns. The integers are whole numbers in the range 1-12. I want to ...
3 years ago | 1 answer | 0
1
answerQuestion
Correct array dimensions for 'sam' function?
I have an array (called 'DataCube') that has size [1024, 1280, 427]. It was formed from 16-bit images of a 2-d scene (1280x1024 ...
3 years ago | 0 answers | 0
0
answersQuestion
Minimise memory requirements when importing many images
I am using imread to read in 430 monochrome (16-bit) images of resolution 1024x1280. I apply a common mask to each image, which ...
3 years ago | 1 answer | 1
1
answerQuestion
How can I subtract a 2-d array from every slice of a 3-d array?
A is a 512 x 512 x 200 array representing a stack of 200 monochrome images of resolution 512x512. d = size(A) d = 512 ...
3 years ago | 1 answer | 0
1
answerQuestion
How can I repeat a 2-D array to create a 3-D array?
A is a 2x3 array. I want to create a 3-D 'stack' so that each layer of the 3-D stack is identical to A. I've found that the foll...
3 years ago | 2 answers | 0
2
answersQuestion
Finding the first order derivative of a data series using the Savitzky-Golay filter.
I am trying to rewrite some Python code into a Matlab script. The input data to this code in a 2-D array called 'spectra' with e...
3 years ago | 1 answer | 0
1
answerQuestion
How to divide a 2d array into blocks and create an array with the mean value of each block?
Here's an 4x8 array.Three of its values are NaNs: B=zeros(4,8); B(1,:) = [1 3 4 3 10 0 3 4]; B(2,:) = [5 7 2 NaN 8 2 3 4]; B...
4 years ago | 2 answers | 0
2
answersQuestion
How to make a two-dimensional mask act on a three-dimensional array?
Here's a dummy three-dimensional array 'B' to illustrate the problem: A = 9* ones (6,4,3); % create a 3 dimensional array A(4,...
4 years ago | 2 answers | 0
2
answersQuestion
How can the script decide when to send a variable as a function input or not?
This is a question about MATLAB function inputs. In my case, I am using a function to process a grayscale image. The function m...
4 years ago | 1 answer | 0
1
answerQuestion
How can I use a logical array to remove and replace values in a corresponding data array?
I have an array A (1280 x 1024) that has some rogue values that I want to remove and replace with a linear interpolation of the ...
4 years ago | 2 answers | 0
2
answersQuestion
How to properly access values in an array, within a cell array, within a struct?
I have a struct called myStruct with 2 fields: Field Value light 4x2 cell dark 4x2 cell If I click on myStruct.ligh...
5 years ago | 1 answer | 0
1
answerQuestion
Is there an elegant way to read in a 16-bit image binary file row-by-row?
I have a number of 16-bit image files from a camera sensor which is 3860 pixels wide and 2178 pixels high. The pixel values are ...
5 years ago | 0 answers | 0
0
answersQuestion
Is there a limit to the number of elements in an array in Matlab
I have a binary file that comprises 16,814,160 bytes of 16-bit data in little endian format. I wish to open the file in Matlab a...
5 years ago | 3 answers | 0
