and Metallurgy, Institute of Theoretical and Experimental Informatics. Vladikavkaz.
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Video Compression презентация
Содержание
CONTENTS Preface Physical representation Formal problem statement 3 pages
Слайд 1Dr. Prof. Vitaly O. Groppen
e-mail: Groppen@mail.ru
Video Compression
North-Caucasian Institute of Mining
Слайд 3Preface
The main differences between this method and
methods, which are used, is the usage of both compressions, such as interframe compression and intraframe compression. Video stream represents such as single multicopy image.
Thus the main purpose will be conclude in finding of optimal number of frames in whole stream? Where compression or quality will be the best. And compression will be come inside this chain of frames.
Thus the main purpose will be conclude in finding of optimal number of frames in whole stream? Where compression or quality will be the best. And compression will be come inside this chain of frames.
Слайд 5According to key frame frequency results in compression F and in
quality Q will be different. The main purpose will be definition of the optimal values for foregoing F and Q.
Y- key frame ratio
F- compression ratio
a1- intraframe compression ratio parameter
a2-interframe compression ratio parameter
Q – quality
B1-intraframe quality parameter
B2 –interframe quality parameter
Y- key frame ratio
F- compression ratio
a1- intraframe compression ratio parameter
a2-interframe compression ratio parameter
Q – quality
B1-intraframe quality parameter
B2 –interframe quality parameter
Formal problem statement
Слайд 6 Formal problem statement:
Problem-solving
optimal key frame frequency
Optimal key frame frequency.
(Q- const)
Слайд 7 Formal problem statement:
Problem-solving
optimal key frame frequency
Optimal key frame frequency.
(F- const)
