Advise for new video analysis program
Advise for new video analysis program
- Subject: Advise for new video analysis program
- From: Jason Horn <email@hidden>
- Date: Tue, 16 Oct 2007 15:24:06 -0400
I am new to this list, and to developing in Cocoa and I could use
some advise for a new video analysis program. I am trying to write a
program that will let me detect and count certain objects of interest
in a video recording. As an example, imagine recording a video of a
busy street, and then writing an app that will tell you how many
people walked by. I know how to detect objects in frames of video
computer vision techniques. What I don't know how to do is load video
into a cocoa app, get access to each of the video frames, and perform
operations on them and record the results. Basically, what I want to
do is this:
1) open a proprietary video file (not QuickTime)
2) examine the video frame by frame
3) find objects of interest in each frame
4) record information about the objects, such as their location, size
5) Use information in #4 to accomplish #3
6) display a summary of the results
What I need is someone to give ma nudge in the right direction. Do I
use Core Video, QTKit, or something else? I've made my way through
the "Cocoa Programming for Mac OS X" book, and the documents on the
Apple developer site for Core Video and such. There are so many
holes in my knowledge that I don't want to start down the wrong road
here. Can anyone give me a few pointers / ideas?
Thanks!
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