The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2022
Filed:
Oct. 31, 2018
Ati Technologies Ulc, Markham, CA;
Jinbo Qiu, Markham, CA;
Yang Liu, Toronto, CA;
Ihab Amer, Stouffville, CA;
Lei Zhang, Richmond Hill, CA;
Edward A. Harold, Scarborough, CA;
Zhiqi Hao, Richmond Hill, CA;
Jiao Wang, Maple, CA;
Gabor Sines, Toronto, CA;
Haibo Liu, North York, CA;
Boris Ivanovic, Richmond Hill, CA;
ATI Technologies ULC, Markham, CA;
Abstract
Systems, apparatuses, and methods for generating a model for determining a quantization strength to use when encoding video frames are disclosed. A pre-encoder performs multiple encoding passes using different quantization strengths on a portion or the entirety of one or more pre-processed video frames. The pre-encoder captures the bit-size of the encoded output for each of the multiple encoding passes. Then, based on the multiple encoding passes, the pre-encoder generates a model for mapping bit-size to quantization strength for encoding video frames or portion(s) thereof. When the encoder begins the final encoding pass for one or more given video frames or any portion(s) thereof, the encoder uses the model to map a preferred bit-size to a given quantization strength. The encoder uses the given quantization strength when encoding the given video frame(s) or frame portion(s) to meet a specified bit-rate for the encoded bitstream.