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Feeds
How can calculate the average diamter of below image using matlab?
I'd start by looking at the regionprops function. Particularly, the "EquivDiameter", "MaxFeretProperties", and "MinFeretPropert...
mehr als 4 Jahre vor | 0
How to make image background white?
I would start by closing in small gaps to get a solid hand. imgin_close = imclose(imgin, strel('square', 3)); Then I would fin...
mehr als 4 Jahre vor | 0
| akzeptiert
How to fill an object with the same color as surrounding pixels?
If you're always dealing with pixels regions that have the same values, then the below should work: Im1=imread('Im1.bmp'); ...
mehr als 8 Jahre vor | 0
| akzeptiert
How to avoid dates being writen in scientific notation?
If you really want it as an integer: m = uint64(str2num(datestr([2015,8,10,12,0,0],'yyyymmddhhMM')));
mehr als 8 Jahre vor | 0
| akzeptiert
Overlaying a semi-transparent color over an image
<http://www.mathworks.com/matlabcentral/answers/104889-how-to-overlay-a-foreground-image-over-a-background-image This post seems...
mehr als 8 Jahre vor | 0
Trouble Removing Uneven Background Lighting from Image
Try using imbothat instead of imtophat, with a slightly larger kernel size. I2= imbothat(drop, strel('disk', 30)); worke...
fast 9 Jahre vor | 0
| akzeptiert
what does allcentroids do?
This is pulling the various measurements (Area, Perimeters, Centroid coordinates) out of the cell array measurements, and puttin...
fast 9 Jahre vor | 0
to flip an image block across main diagonal line y=x
transpose img_block_diag = transpose(img_block);
fast 9 Jahre vor | 2
| akzeptiert
standard deviation and mean of image
I'm assuming you are interested in the mean and S.D. of the *intensity* in the image. In which case, you would just take the me...
fast 9 Jahre vor | 1
| akzeptiert
How to study the effectiveness of feature extraction ?
Manually identify the pores in a (small) set of images, and compare the two results. Ideally by looking at the overlapping and ...
fast 9 Jahre vor | 0
Stenosis Detection of Arteries
Not sure what you mean by discontinuity, but on way to obtain an average width would be the sum of the artery mask divided by th...
fast 9 Jahre vor | 1
Is there a way to disable plotting in Compiled Matlab code (using MCR)
The function ISDEPLOYED returns true when run in the MCR, false when run in Matlab So, if ~isdeployed plot([1 2] , [2...
etwa 9 Jahre vor | 0
how to perform closing by reconstruction followed by opening by reconstruction
No, you cannot. Notice the multiple imcomplement calls after the imdilate step. These are necessary in the closing by reconstr...
mehr als 9 Jahre vor | 0
| akzeptiert
Why imerode( ) is not giving intended results ?
Some (all?) morphological functions make assumptions about the value of pixels _beyond_ the border of the image in cases where t...
etwa 10 Jahre vor | 0
Comparing 2 images intensities
The code below will take the hue and saturation values from image1, and the value from image2, and merge them into one new image...
etwa 10 Jahre vor | 1
How to place image one after the other?
I would try the montage function. The only tricky part there is that you have to pass it an array of filenames, or single array...
etwa 10 Jahre vor | 0
how to find robocup`s ball?
You're going about calculating perimeter in a roundabout fashion. Matlab can convert a specific part of a structure, in your ca...
mehr als 10 Jahre vor | 0
| akzeptiert
I have question on how to edit pictures. What i am trying to do is read in two images to matlab and i am trying to replace a part a part one the first picture with a part from the second image.
Below is a simple way to just swap a portion of toyota_image, given the coordinates of a boundingbox (ttop = y coordinate of top...
mehr als 10 Jahre vor | 0
How to show Tiff stacks
You can read each tiff image in one at a time using imread (note I'm making some assumptions...like you do indeed have a multipa...
mehr als 10 Jahre vor | 5
| akzeptiert
How do i transform/convert a structuring element to an binary image in Matlab?
>> se = strel('square',7); >> nhood = getnhood(se); >> whos('se' ,'nhood') Name Size Bytes Class ...
mehr als 10 Jahre vor | 0
| akzeptiert
How to ascertain number of special characters in a string?
blah = ' This line contains * some & special ( chars_!@#'; idx = regexp(blah, '_|!|\*'); special_count = size(idx, 2); ...
mehr als 10 Jahre vor | 0
How to find distance in binary image?
Below is what I came up with, which is an average distance between objects for an entire image. An example of the distances bei...
mehr als 10 Jahre vor | 1
Filling gaps in binary images
If it really is just one pixel, then try this: BW2 = bwmorph(BW, 'bridge'); If it is more than one pixel, then take a lo...
mehr als 10 Jahre vor | 0
| akzeptiert
Non-binary Edge Detection
You'll want to use the IMGRADIENT function.
mehr als 10 Jahre vor | 0
| akzeptiert
Understanding montage() command settings
From the imagesc documentation, emphasis mine: The imagesc function scales image data to the full range of the *current* co...
mehr als 10 Jahre vor | 0
Does anyone Know how to deal with '.BIF' image files?
Unfortunately I do not. I can tell you, however, that these are most likely a proprietary format coming from a scanner made fro...
mehr als 10 Jahre vor | 0
image1.jpg, image2.jpg.....etc how?
counter = 1; %initialize filename increment vid = videoinput('winvideo',1); set(vid, 'ReturnedColorSpace', 'RGB'); ...
mehr als 10 Jahre vor | 0
| akzeptiert
Making part of a column negative depending on another column
b_new = sign(a) .* b
mehr als 10 Jahre vor | 0
| akzeptiert
Get confused (twice) with entropy of grayscale image
This boils down to the way IMHIST calculates the bins for an image of type double. For some (all?) functions, Matlab assumes pi...
mehr als 10 Jahre vor | 0
How to fuse three images?
I'm reading quite a bit into your question, but it sounds like you have three binary images saved as rgb images. A = rgb2...
fast 11 Jahre vor | 1
| akzeptiert
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