BANDING PREDICTION FOR VIDEO ENCODING

Patent №

US 10,034,005

Granted

2018-07-24

Filed 2015

Owner

SONY CORPORATION

Lab

AI components

2

ml · vision

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14732551

A system and method for facilitating inhibiting banding in video data, in part by anticipating when banding may occur given certain encoder parameters. An example method includes receiving an input stream of video data; extracting feature information characterizing the stream of video data; using a feed-forward neural network to process the feature information to estimate when a particular block of the stream of video data will exhibit an artifact when encoded using certain Quantization Parameters (QPs); incorporating the indication into metadata associated with the stream of video data; and transferring the stream of video data and metadata to a video encoder. In a more specific embodiment, the feature information includes color information and texture information, and the neural network includes a feed-forward neural network that includes a classifier with a sigmoid activation function, and which has been trained using a cross-entropy cost function.

Machine learningVisionH04N 19/176G06N 3/048G06N 3/084H04N 19/103H04N 19/117H04N 19/154G06N 5/01G06N 20/10+1 more

AI classification

Vision1.00
Machine learning0.99
Knowledge representation0.27
Natural language0.03
Evolutionary computation0.00
Planning0.00
AI hardware0.00
Speech0.00

Ownership

SONY CORPORATION

assignment · 357970478

Assignors

XU, XUN, YE, PENG

On an employer assignment, the assignors are typically the inventors.

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