NDLI: Delayed duplicate intra frames (DDI) for low-delay video encoding

Content Provider	IEEE Xplore Digital Library
Author	Ghone, C. Mody, M. Garud, H.
Copyright Year	2015
Description	Author affiliation: Embedded Process., Texas Instrum. (I) Pvt. Ltd., Bangalore, India (Ghone, C.; Mody, M.; Garud, H.)
Abstract	Video conferencing and other real-time multimedia traffic poses challenge for transmission over constant bandwidth network due to high instantaneous bandwidth generated by intra-predicted frames (I-frame). This paper proposes a novel solution for significant reduction of peak instantaneous bandwidth requirements using a new type of frame called delayed duplicate intra frames (DDI frame) in addition to the frame types defined in various video coding standards. DDI-frames is a redundant encoding and transmission scheme which uses tools like - long term reference and Supplemental Enhancement Information message, defined in various video coding standards. By intelligent use of these tools and small bitrate overhead on real-time/non-real-time transmission channels the peak instantaneous bandwidth requirement can be spread over longer duration. The proposed method is applicable to multiple video format (e.g. HEVC, H.264, VC1 etc) as well as variety of use-cases such as video conferencing, video streaming etc. The scheme additionally helps achieve better error resiliency and concealment purposes in case of packet drop. The scheme also does not have the quality flicker problem present in alternate solutions.
Starting Page	1
Ending Page	4
File Size	419632
Page Count	4
File Format	PDF
e-ISBN	9781479999859
DOI	10.1109/CONECCT.2015.7383941
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-10
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Streaming H.264 H.265 DDI Encoding HEVC Video Conferencing Standards Bit rate Bandwidth Streaming media Delays Intra Refresh
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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