Patent №
US 6,895,055
Granted
2005-05-17
Filed 2001
Owner
KONINKLIJKE PHILIPS ELECTRONICS, N.V.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
10039686
A system and method for generating a frequency weighted (FW) matrix for use in a Fine-Granularity-Scalability (FGS) video coding system. The system comprises: a system for plotting the average discrete cosine transform (DCT) residuals versus the zigzag DCT scan line locations for a sample video frame encoded both at a predetermined base layer bit-rate and at approximately three times the predetermined base layer bit-rate; a system for generating the difference plot of DCT residuals versus the zigzag DCT scan line locations for the video frame encoded at both the predetermined base layer bit-rate and at approximately three times the predetermined base layer bit-rate; and a system for matching and normalizing a staircase curve to the average difference plot, wherein the staircase curve values can be further mapped into the weights for the FW matrix.
AI classification
Ownership
KONINKLIJKE PHILIPS ELECTRONICS, N.V.
assignment · 156630123
Assignors
PENG, SHAOMIN, VAN DER SCHAAR, MIHAELA
On an employer assignment, the assignors are typically the inventors.