Computer vision is a field that includes methods for acquiring, processing, analyzing, and understanding images and, in general, high-dimensional data from the real world in order to produce numerical or symbolic information, e.g., in the forms of decisions. From Wikipedia: ...

learn more… | top users | synonyms

9
votes
2answers
461 views

Computer vision algorithms (how is this possible?)

I recently stumbled across a company that has created what appears to be a computer vision technology that is capable of detecting shoplifting automatically and alert its users. LINK Watching some ...
2
votes
1answer
181 views

What is watershed in the context of image processing?

I am new to image processing using Python. Now I am learning OpenCV and the mahotas module in Python. Many functions in these modules are related to watershed of an image. I don't know what ...
1
vote
5answers
169 views

shall a vector2 extends a vector3 or is it the opposite?

Perhaps the question might be tied to a theoritical or mathematical forum, but since it is for programming purpose, i ask here first: In a computer vision context, i write a couple of interfaces ...
1
vote
1answer
160 views

Would this violate any copyright issues? [closed]

I am currently publishing a paper on skin detection. However, I need to find the appropriate histogram bin size for each colorspace. I recently came upon a paper that published what it found to be the ...
1
vote
1answer
109 views

Which Computer Vision / Image Processing technique would solve light imbalance in images?

Given a colour image whose light intensity is dim at the edges and bright in the middle, such as [dim bright dim], which computer vision technique would be recommended to correct this imbalance? ...
1
vote
1answer
633 views

How can I make an app using mobile's camera to detect words?

I am trying to make an app that will capture the video from the mobile's camera and detect in real time all the text that will be captured. I would like to make it in C# (for e.g. Windows Mobile) but ...
1
vote
1answer
98 views

What algorithms would suit image colour summarization?

I would like to analyse a set of hundreds of thousands of product images (clothing, electronic goods etc) and retrieve the dominant colours in each. I'm only interested in the top 3 or 4 colours. The ...
1
vote
1answer
157 views

Measuring “novelty” of data

I have a heuristic in mind that should allow me to "score" data based on "novelty" that I would like to work in real-ish time. In this case, I mean novelty in the sense that the data source is ...
1
vote
1answer
102 views

Seperable Kernel, MMX/SSE and TCP Transmittal of them?

So I was reading about Java Convolve and someone said that it may be faster than the MMX / SSE implementation. In it one of the comments had a kernal array and said it was seperable. What is a ...
1
vote
1answer
174 views

How could I implement multitouch gestures without a start event?

While working on multitouch, one of the problems I've run into is the fact that nobody seems to do gesture recognition without some kind of init event, whether it's a mouseclick or contact with a ...
0
votes
2answers
144 views

How is it possible that facial recognition software can work, but a reCAPTCHA can't be solved by a computer

If software can be built to recognize faces and match those faces to names, then how is that CAPTCHA works? Recognizing letters seems a lot easier than matching faces.
0
votes
1answer
971 views

Options within OpenCV related to image difference analysis and reporting

Scenario: Stationary view with sequential timestamped samples in 2D-color where the comparison is only done between one pair of neighboring samples. Background: Have never used OpenCV before, ...