Question

Deleting certain data from a graph
Hi. I have an image of a line that I want to measure its "sharpness". As a crude way, I thought I can just look at the green po...

9 years ago | 1 answer | 0

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answer

Question

Help with extracting data from a list of centroids
I have a set of data representing X,Y centroid location of spots obtained by regionprops, cc. <</matlabcentral/answers/upload...

10 years ago | 1 answer | 0

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answer

Answered
Make an image appear larger on a figure without using GUIDE and axes component
OK, you can use to do this: imshow(a,[],'InitialMagnification', 'fit')

10 years ago | 0

Question

Make an image appear larger on a figure without using GUIDE and axes component
How do I make an image fill the figure its draw on. a=imread('myimage.tif') figure imshow(a,[]) It currently disp...

10 years ago | 1 answer | 0

1

answer

Question

Help with regionprops and centroid parts of an image
Hi. I have an image called ROI. I also have the location of the maximum intensity values on a line across the image (shown by r...

10 years ago | 1 answer | 0

1

answer

Question

Add grid lines but leave x tick labels unchanged
I want to be able to change the grid lines on a plot, but leave the tick labels udner matlab control; I have used this, but it ...

10 years ago | 1 answer | 0

1

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Question

Creating an array of 1's
Hi, can anyone shed any light on how to create an array of 1's that mimics the picture below <</matlabcentral/answers/uploade...

10 years ago | 2 answers | 0

2

answers

Question

line profile on rotated image
Hi, I have an image of about 4000 pixels wide and I want to perform a line scan through the centre (cyan line below)and obtain t...

10 years ago | 1 answer | 0

1

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Question

linescans - determine maximum one then assign to data to use
Hi, I have an image "img" that I am performing horizontal line scans thru. I initially start at the centre of the image (Coordin...

10 years ago | 0 answers | 0

0

answers

Answered
Equality of a numeric list using a string
Thankyou Walter and Guillaume.

10 years ago | 0

Question

Equality of a numeric list using a string
I have a set of values fwhm that I then remove valyes lower than Y20. However, I use this in many places and sometimes want val...

10 years ago | 3 answers | 0

3

answers

Question

Superposition of spots on an image given by 2 sets of coordainates
I have a set of coordinates on an image xi,yi - green circles in image below. I also have a set of coordinates representing the...

10 years ago | 1 answer | 0

1

answer

Question

Line profile through auto selected columns in an image
I have an image of a regular pattern where I have roughly the locations of each object (by roughly I mean to within 1 pixel in x...

10 years ago | 1 answer | 0

1

answer

Question

Strange result with Fourier transform after frequency removal
I have a line profile that Im trying to obtain a "width measurement" on. The problem is that its polluted with wiggles. <</m...

10 years ago | 1 answer | 0

1

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Question

putting specific values in an array to zero
I have an array of numbers BIM2= 0 0 0 0 0 671 0 0 0 0 0 866 ...

10 years ago | 1 answer | 0

1

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Question

Scan exactly 1 pixel around a location and determine max value
If I have a list of coordinates xf,yf identifying a bright object as in the image (red dots only) <</matlabcentral/answers/...

10 years ago | 2 answers | 0

2

answers

Question

Outputting text on subplot with mixed normalised/normal coordinates
I have subplot on a figure and i want to place some text outside the plot as below (i.e. the text '80th pct' and '20th pct' <...

10 years ago | 1 answer | 0

1

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Question

Saving a figure with several subplots on to a file
I have a figure that I plot several subplots on. I create this figure associating it with a handle as: %Create Figure------...

10 years ago | 1 answer | 0

1

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Question

Speed up Gaussian Fitting of many points
I have an image where the location of the peaks are identified with red spots <</matlabcentral/answers/uploaded_files/43603/i...

10 years ago | 1 answer | 0

1

answer

Answered
GUI, selecting a figure to close, if it exists?
A reply on another question from Walter has resolved the issue. figure1 is the tag of the main GUI. fig1h = findall(0,'t...

10 years ago | 0

| accepted

Question

Error using surf plot
I have a vector of x and y coordinates of the red dots in the image below <</matlabcentral/answers/uploaded_files/43584/im59....

10 years ago | 1 answer | 0

1

answer

Question

Delete Figures except main GUI figure
If I have determined that the following figures open, using F=findall(0,'type','figure') figure 1 is my main GUI windo...

10 years ago | 1 answer | 0

1

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Question

Auto align an image using Hough Transform
I have an image that is slightly misaligned. I thought the Hough transform would be relevant to aligning it. <</matlabcentral...

10 years ago | 1 answer | 0

1

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Question

Delete entire row of an array
How can I remove the entire row if either value is less than 5: Coord = 2 3 2 39 1 8...

10 years ago | 2 answers | 0

2

answers

Question

Adding identification spots to a sigma clipped image
I have come across the following from IA in which he demonstrates how to perform sigma clipping for a set of images. I was wonde...

10 years ago | 0 answers | 0

0

answers

Question

Error using listbox multiselection for image SNR manipulation
I am trying to use a listbox multiselection to add images together and median combine for SNR improvement comparison reasons. I...

10 years ago | 1 answer | 0

1

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Question

GUI, selecting a figure to close, if it exists?
I have a GUI that sometime at the end displays a new figure (handles.hf5). I create the new figure using: handles.hf5=figur...

10 years ago | 2 answers | 0

2

answers

Question

How to include all objects using find for an image
Hi. I am trying to identify the lowest 10 pixel values on an grayscale image. I already have a list of the lowest 10 values ...

10 years ago | 1 answer | 0

1

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Question

Passing axes name as an argument then applied to to gca
I have recently asked how to pass an axes name to an function and Walter has kindly suggested the following: function resca...

10 years ago | 1 answer | 0

1

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Question

Excluding Perimeter values of Boundary using regionprops
Hi. I have an image that I create a binary image from with an aim to use this as a mask to read values of the foreground on t...

10 years ago | 1 answer | 0

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