Algorithms for processing video signals i.e. sequence of images either for enhancements, conversions or analysis of objects within it.
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0answers
42 views
Calculate total bit rate
I want to calculate the total bit rate of a video system.
In order to calculate the total bit rate for a 1080/50p video system(4:2:2) we need:
...
0
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0answers
23 views
algorithm for audio and video separation using matlab [migrated]
sir
i want to design an algorithm which can take a movie clip or a video signal having both audio and video and extract the audio and video part separate using the help of filters, matlab and signal ...
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vote
2answers
78 views
Decompose video frames into slices
I am working on a video motion feature implementation. I am implementing a work in a research paper. What I want to implement is this:
The frames contained in a video clip can be thought of as a ...
4
votes
1answer
76 views
Representation of frame image pixels
In paper Human identification using gaits Section 3.2, the authors explain how to represent a 3D image (x,y,t) into 2D image with (x,t) ; (y,t) denoted 1D signals. I have a conceptual doubt which is ...
2
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1answer
51 views
Can anyone suggests some basic readings for video processing?
Actually, I am new to this field and would like to work on a project in Video processing. I have a little background in Image processing but would like to study further in video processing. So, If ...
4
votes
1answer
146 views
What happens when we Fast Forward the Video
I've been involved in Image Processing kind of project for the last couple of month, before which i had no experience in Image processing.
While filtering the image today i had a thought what exactly ...
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0answers
36 views
A box to do grayscale transform on a video signal?
Does anyone know of a box I can stick between a CCD camera and a screen to allow adjustment of the video's histogram? I essentially need a box to perform histogram equalization or something that ...
2
votes
1answer
57 views
Projection of 2D signal
Paper describes that a 2D signal(say video) can be projected to 1D for time series analysis by using a transformation function fx=Ax+constant and ...
3
votes
2answers
230 views
differences in fundamental frequency/pitch between music and speech
I am developping a program, that extracts very expressive frames from a video (meaning: frames, which could summarize a video) for a university seminar. One of my ideas was, to analyze the audio data ...
2
votes
1answer
507 views
Matlab video processing of Contracting tissues. how to analyze movement?
I'm trying to write a code The helps me in my biology work.
Concept of code is to analyze a video file of contracting cells in a tissue
Example 1
Example 2: youtube.com/watch?v=uG_WOdGw6Rk
And ...
6
votes
1answer
218 views
Non-orthogonal basis which offers better energy compaction in image compression
I am aware of image-independent basis, i.e. DCT, and image-dependent basis, i.e. Karhunen–Loève, which are used in compacting energies for image compression. These bases are orthorgonal.
Are there ...
7
votes
1answer
192 views
Extremely computationally intensive image/video compression schemes which offer better compression than industry standard JPEG/H.264
I am trying to search for image/video compression schemes which offer superior compression performance (holding image quality as constant) when compared to widely adopted industry standards (i.e. ...
3
votes
1answer
172 views
Lip sync over IP
What are the most used techniques for lip sync (audio/video sync) for conferencing over IP (and related issues with playout buffering)? I could find a lot of paper about audio intrastream ...
12
votes
3answers
404 views
How do the motion vectors work in predictive coding for MPEG?
In MPEG, there is a process where an image is broken up into macroblocks and a motion vector is computed for each of those macro blocks. You then transmit these vectors, along with the prediction ...
1
vote
0answers
108 views
Slow Scan TV Documentation
I am looking for information on how to decode slow scan TV signals, which is a method of transmitting static images using everyday FM radio.
I have seen software but I don't understand how to start. ...
