Method for reduced bit-depth quantization

Details Method for reduced bit-depth quantization Method for reduced bit-depth quantization

2006-10-17

2006-10-17

Vo, Tung (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

07123655

ABSTRACT:
Embodiments of the present systems and methods for quantization or dequantization of data related to video wherein reduced bit depth intermediate calculations are enabled.

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Liang J., Tran T., Topiwala P.; “A 16-bit architecture for H.28L, treating DCT transforms and quantization” Document VCEG- M16, ITU- Telecommunications Standardization Sector Study Group 18 Question 6, Video Coding Experts Group (VCEG), Online! Apr. 2, 2001, pp. 1-17, XP002332050 Austin, Texes, USA Rerieved from the Internet; URL: http://www.ensc.sfu. ca/people/faculty/ jiel/papers/H26L—-Proposal . doc> retrieved on Jun. 08, 2005 “abstract” Section “Introduction”, p. 1 Section 1.2 “Quantization in TML 5.2”. pp. 2-3 Section 2.4 “Scaling factors and Quantization”. pp. 6-7.
Kerofsky L., Lei S.; “Reduced bit-depth quantization” Document VCEG-N20, ITU-Telecommunications Standardization Sector, Study Group 16 Question 6, Video Coding Experts Group (VCEG), 'Online Sep. 24, 2001, pp. 1-14, XP002332061 Santa Barbara, CA USA Retrieved from the Internet: URL ftp3 itu.Int/av-arch/video-site/01.09—S AN/vceg-n20.DOC> Retrieved On Jun. 08, 2005! Section “Introduction” pp. 1-2 Section “Proposed Quantization values”, pp. 3-4 Section “Appendix”. Table 10 and Equations 4,5.

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