Indeo information

Found this page on the internet by accident:

http://www2.ncsu.edu/eos/service/ece/project/succeed_info/larettin/thesis/ch2.html

Intresting parts follow

'Indeo is a video compression technique designed by Intel. It evolved 
from DVI (Digital Video Interactive) technology. Indeo starts off with 
YUV input, U and V subsampled 4:1 both horizontally and vertically. 
Indeo supports motion estimation, using the previous frame to predict 
values for the current frame and only transmitting data if the 
difference is significant. Transform encoding is done using a 8x8 Fast 
Slant Transform (FST) in which all operations are either shifts or adds 
(no multiplies). Quantization and run-length/entropy encoding are used 
as in previous algorithms. Indeo specifies that the encoded bit stream 
be a maximum of 60% of the input data, therefore compression is 
guaranteed to be at worst 1.7:1.'

and this paper was written in 1995, so the indeo codec he talks about 
could be 3.1/3.2 or even 2.1.

/Benjamin




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