Question

What does the equation do in the 2 images to combine it to one image

Please can someone explain what happens in the below code cb and cr are chrominance in red and blue channels bmean and rmean ...

21 giorni ago | 1 answer | 0

Question

Find the coordinates nearest to the center coordinate of a patch in an image

i have an image of size [512 512], and xy coordinates values, which have been found on the whole image. (I have attached an exam...

4 mesi ago | 2 answers | 0

Question

how to check if (x,y) coordinates fall within another (x,y) coordinate

i have the x,y,w,h --> [x position, y position ,width and height] of the two black boxes and the red boxes inside the black boxe...

4 mesi ago | 1 answer | 0

Question

Blob segmentation and writing it to folder

i have segmented few blobs using the below code ccnt = 1; for blob = 1 : n thisBoundingBox = measurements(blob).BoundingB...

4 mesi ago | 1 answer | 0

Question

draw bounding box around a character

The code i used is Ch = bw(boundrow(1):boundrow(end),boundcol(1):boundcol(end)); i'll get the character into the variable Ch ...

4 mesi ago | 1 answer | 0

Question

write an image file

i have a image im of uint16 datatype figure(1), imshow(im) figure(2), imshow(uint8(im)) figure(3), imshow(im,[]) all the abo...

6 mesi ago | 1 answer | 0

Question

find the next row of an element in a matrix

i have vector v v = [4,5;1,2;1,3;1,4;2,6;5,7;4,7;3,4;1,5;2,3;7,9;3,5;8,9;1,6;8 10;5,9;2,4;6,9;2,5;1,7;4,9;3,7;2,8;7,8;4,6;1,9;3...

6 mesi ago | 1 answer | 0

Question

find different combinations of splitting a vector

having a vector V, how can i find the different ways to split this vector v into subvectors such that the sum of each subvector ...

6 mesi ago | 1 answer | 0

Question

Sort matrix to get the row and column position of sorted matrix

how should i sort the matrix M = [0,15,14,13,10,7,4,1,2; 0,0,9,6,4,12,1,3,1; 0,0,0,10,8,5,3,1,2; 0,0,0,0,17,2,11,1,4; 0,0,0...

6 mesi ago | 1 answer | 0

Question

how to do the matrix computation

I have a cost matrix, c, with values as c =[0,12,11,7,10,10,9,8,6,12; 12,0,8,5,9,12,14,16,17,22; 11,8,0,9,15,17,8,18,...

6 mesi ago | 1 answer | 0

Question

access the respective values of matrix using the cell array cell position value

i have a matrix as shown in figure, with positions marked I have a cell array with values { [ 1 4 ] ; [ 2 3] }; Now i want ...

6 mesi ago | 1 answer | 0

Question

find values in vector present in cell array

i have a cell array cA and vector V with values cA = {[11,21,3;14,5,63], [11,22], [33;95;66;7]}; V = [14 22 33 66]; i wanted ...

6 mesi ago | 2 answers | 0

Question

how to split a vector into small subvectors based on condition

how can i split a vector into smaller sub vectors, such that the sum of each vectors is less than N N = 60 V = [30 35 24 15 14...

7 mesi ago | 2 answers | 0

Question

display contents of cell array and a vector together

i have a cell array cell_array = {'A' 'B' 'C'} and value = [ 10 20 30] how can i display the cell_array and value_vector toge...

7 mesi ago | 1 answer | 0

Question

compute from a set of parameters

C = 60; % capacity of a truck demand = [30 35 24 15 14 48]; % goods to deliver m = 2; % no of avaible trucks i wanted to comp...

7 mesi ago | 1 answer | 0

Question

comparing pixels in 3x3 block

Having a matrix as shown below i wanted to take 3x3 pixel and compare the 3 pixels (highlighted in yellow colour) with th...

9 mesi ago | 1 answer | 0

Question

fill a boundary region with white colour

i have identified boundaries from a binary image using boundaries = bwboundaries(bw); The output of the above line of code is ...

10 mesi ago | 3 answers | 0

Question

how to duplicate the values in one matrix create another matrix of specific dimension

i have a cell array of dimension 1x60, each matrix in cell array is of dimension 23x23 of double datatype i converted this cell...

10 mesi ago | 1 answer | 0

Question

comparing 3x3 block with center pixel

i have a matrix as shown below i wanted to take 3x3 pixel and take 3 pixels at a time along with the center pixel, and comp...

10 mesi ago | 2 answers | 0

Question

Find histogram bins at which cumulative histogram has 75% of maximum value

How to find histogram bins at which cumulative histogram has 75% of maximum value of an image.

10 mesi ago | 1 answer | 0

Question

concatenate column values in a vector

i have a vector v1 = [ 1,0,1,0] (dim 1x4 double) i wanted to join the values in v1 to a new variable v2 = [1010] (dim 1x1 do...

10 mesi ago | 3 answers | 0

Question

give labels according to string

I have a cell array of strings with the following pattern String Label 'Abc\a1\L\XYZ1R08' 1 'Abc\a1\R\XYZ1R09' 1 ...

10 mesi ago | 1 answer | 0

Question

Find geometric mean and arithmetic mean

how to find geometric mean and arithmetic mean of histogram of an image

11 mesi ago | 1 answer | 0

Question

get all image files from nested folder

how to get all image files in such a directory ( folders inside folders )

oltre un anno ago | 1 answer | 0

Question

delete empty cells from cell array

how to delete the empty cells and get back 4x4 matrix i tried out = ca(~cellfun('isempty', ca)); but i'm getting output ...

oltre un anno ago | 1 answer | 0

Question

How to create a white rotated box inside a black box

How to create a white rotated box inside a black box as shown in image

oltre un anno ago | 1 answer | 0

Question

find a vector in a cell array

AP = {[1,2,14];[1,5,14]} P = {[1,5,14]}; i wanted to check if P is in AP i did as IsInAp = find(cellfun(@(x) ismember(path,x...

oltre un anno ago | 1 answer | 0

Question

select rows satisfying a particular condition

having a matrix of dim 5 x 10 if i give start_index = 1, and end_index = 3, i wanted to get rows starting with value of start...

oltre un anno ago | 2 answers | 0

Question

how to find all possible path between 2 nodes

knowing the connectivity between nodes, how can i find the possible path between 2 nodes?

oltre un anno ago | 2 answers | 0