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John


Active since 2013

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Question


pseudo-color a moving object track based on its length from origin.
If I have the _xy_ positions of a tracked object's track, how can I pseudo-color the track with a map like jet, based on its len...

7 years ago | 1 answer | 0

1

answer

Question


Read data from the built-in MATLAB web browser
I'm trying to read data from a website (using webread) that doesn't use basic authentication to log me in. I've decided maybe th...

7 years ago | 0 answers | 0

0

answers

Question


Stitch image based on overlapping area
I have several images with overlapping edges (overlapping area between any two images ranges between 5% to 15%). The image below...

8 years ago | 0 answers | 1

0

answers

Question


Error in multithresh while computing N levels
I'm trying to compute the metrics of an image using multithresh for for N levels 2:20 (maximum allowed). In some of the images I...

8 years ago | 0 answers | 1

0

answers

Question


Adjusting CData to match CLim for grayscale Image
I have a grayscale image in a figure displayed through imshow. I adjust the axes CLim limits [a b] to improve it's contrast to d...

8 years ago | 2 answers | 0

2

answers

Question


How can I call a callback within a callback from a different GUI
I have two GUIs, Agui & Bgui. How can I execute a callback for Agui from a callback in Bgui? Thanks

8 years ago | 1 answer | 0

1

answer

Question


imcontrast for RGB images.
I've made a GUI for some image analysis with a range (dual-knob) slider for user to adjust image contrast (by changing 'CLim' of...

8 years ago | 2 answers | 1

2

answers

Question


Changing the number format of colorbar values
My color bar values are huge and I would love to maximize on the plot space. How can I change the values of my colorbar to say v...

9 years ago | 1 answer | 0

1

answer

Question


Problem saving in mounted drive
I mounted an sshfs drive on my mac. When I tried saving a variable in the drive, I get the error below. I know it's not a permis...

9 years ago | 0 answers | 0

0

answers

Question


Reconstruct Gaussian fitted Beads
I have gaussian fitted a bead in an image and I have its x & y coordinate, standard deviation (std) of the gauss fit as well as ...

10 years ago | 1 answer | 0

1

answer

Question


Rearrange Binary regions based on centroids
I have a binary map, BW, and the Centroids for each region in BW. If I randomize the Centroids, how can I create another binary ...

10 years ago | 1 answer | 0

1

answer

Question


Filling gaps in binary images
I have a binary images of tree clusters, when I imshow(BW), some single trees are separated from the main cluster by 1 pixel. Is...

11 years ago | 1 answer | 1

1

answer

Question


Remove Operations in a Vector
I have a function whose output is a vector. Each value in the vector contains + or - operation as below. 5.39616521085160 + 0...

11 years ago | 1 answer | 0

1

answer

Question


Generate evenly distributed coordinates
How can I generate coordinates which are all separated by the same distance? Thanks for your help.

11 years ago | 2 answers | 0

2

answers

Question


Generate random coordinates around a circle
How can I generate 15 random 2-D coordinates around a circle of radius R with the center of the circle being a defined [x y] 2-D...

11 years ago | 2 answers | 0

2

answers

Question


Convert xy Coordinates to Matrix
I have an xy coordinates positions (100x2) and another z vector (100x1) with values corresponding to each xy coordinate. How can...

11 years ago | 3 answers | 0

3

answers