Questions on the image processing capabilities implemented in Mathematica.
4
votes
1answer
69 views
How to ListPlot over an Imported Image
I would like to plot the gray scale (average of RGB) of an imported image, and combine the graph with the imported image. How can I do that in Mathematica?
Say, the imported image is a 800x5-pixel ...
2
votes
1answer
63 views
Finding a Moore neighborhood connected path of bright pixels along the contour of a text character
I have a simple image, for example a blowup of a Times New Roman character like 'R' saved as a PNG. I then perform the following operations to extract a minimum representation of the contour lines ...
1
vote
0answers
89 views
How to get the latitude and longitude from a picture taken by a telescope?
I don't know if there is any possibility to recover the latitude and longitude from a picture which was taken by a telescope? For example, the following picture were taken by a telescope (I don't know ...
0
votes
0answers
107 views
How to effectively detect an object on a picture or video?
What is the right procedure for detecting an object on an image or video by mathematica? I am new at this field, and don't really know where to begin. Any good suggestions / tutorials?
Example: I ...
5
votes
2answers
96 views
Image analysis for extracting lines between cells
I have a 2D image as shown here and need to extract the spatial information about the curves in between each cell division. I have been able to analyze the image ...
1
vote
0answers
106 views
Smile Detection with Mathematica [closed]
I've been really fascinated with Mathematica's facial recognition capabilities, and have found some really good tips on this site about how to improve it. I was wondering if anyone knew of a way to ...
0
votes
1answer
62 views
Export vector images
I am having difficulties exporting vector graphics. Using Kardashev3's code provided here:
...
1
vote
2answers
123 views
video image recognition [closed]
Has anybody experience with video and image recognition? I've made a video of two teams playing soccer. Now I would like to translate each soccer-player to a (x,y) coordinate and follow them during ...
1
vote
2answers
44 views
How to format the outputs of several properties of ComponentMeasurements?
I know someone may have asked similar questions but the solution doesn't work to me.
My code is like this:
...
4
votes
1answer
91 views
measure minimum distance of dots from edge
I want to measure minimal distance of small dots from the edge of an image:
Image of bright dots:
Edge image
ImageAdd looks like following:
5
votes
2answers
168 views
Selecting morphological components by clicking on them?
This is a bit of a follow-up to a previous question: How can I merge multiple sets of morphological components (perhaps selected using different metrics)?
I've run into a few problems recently where ...
2
votes
2answers
99 views
How can I merge multiple sets of morphological components (perhaps selected using different metrics)?
Let's say I use SelectComponents to select morphological components in an image according to some criterion, like "Elongation". Then let's say, I pull out a ...
5
votes
2answers
99 views
How can I properly Partition “IntensityData” output from “ComponentMeasurements”? (Recovering the (x, y) dimensions of a rect. morph. component?)
When I ask ComponentMeasurements to return "IntensityData" for some set of rectangular morphological components:
...
6
votes
4answers
223 views
Image correlation
I have two images from motor scan, Image1 is shifted by MxN pixels from Image2. How can I find the shift between Image1 and Image2 ?
Image -1
Image -2
If we compare the shift between the images ...
3
votes
1answer
56 views
How to identify segments of colour and compare
Imagine a wide screen image projected from more than one video projector. Each projector handles a segment of the screen. The overlapping areas are corrected for within each projector.
Before ...
