155 Hits in 5.3 sec

Video Streaming in Wireless Internet [chapter]

Frank Fitzek, Patrick Seeling, Martin Reisslein
2004 Electrical Engineering & Applied Signal Processing Series  
, the H.263 payload header is placed between the RTP header and the H.263 bit-stream. RFC 2190 specifies the payload format for encapsulating an H.263 bit stream in RTP.  ...  RFC 3016 specifies the RTP payload format for MPEG4 based audio and video streams.  ... 
doi:10.1201/9780203499986.ch11 fatcat:rvfmbyfoerc7to6bukof2ibu5q

Fast RTP Detection and Codecs Classification in Internet Traffic

Petr Matousek, Ondrej Rysavy, Martin Kmet
2014 Journal of Digital Forensics, Security and Law  
This paper presents a fast multi-stage method for on-line detection of RTP streams and codec identification of transmitted voice or video traffic.  ...  When an RTP stream is successfully detected, codec identification is applied using codec feature sets.  ...  ACKNOWLEDGEMENTS Research in this paper was supported by project "Modern Tools for Detection and Mitigation of Cyber Criminality on the New Generation Internet", no.  ... 
doi:10.15394/jdfsl.2014.1174 fatcat:b6bgwrdgevb3pkbd3zvxix5epu

Development of Streaming Audio and Video System for Multimodal Biometric Security System

Binsu C Kovoor
2017 International Journal for Research in Applied Science and Engineering Technology  
In this study, a prototype system is developed for streaming audio and video to use for multimodal biometric security system.  ...  When audio and video are simultaneously selected and remote access is to be provided, efficiency of streaming plays an important role.  ...  SDP media information includes the type of media (video, audio etc), transport protocol (RTP/UDP/IP etc), format of the media (MPEG video, H.261 video etc). III.  ... 
doi:10.22214/ijraset.2017.11002 fatcat:jaxt6qema5f6fdkxc4o3k4zw7e

An application level video gateway

Elan Amir, Steven McCanne, Hui Zhang
1995 Proceedings of the third ACM international conference on Multimedia - MULTIMEDIA '95  
We describe an efficient algorithm for transcoding Motion-JPEG to H.261 that runs in real-time on standard workstations.  ...  We have built a prototype of the video gateway and used it to redistribute multi-megabit JPEG video seminars from the Bay Area Gigabit Network as 128 kb/s H.261 MBone sessions.  ...  For example, let's suppose that we want to scale an H.261 stream to a lower rate (i.e., transcode H.261 to H.261).  ... 
doi:10.1145/217279.215277 dblp:conf/mm/AmirMZ95 fatcat:5x37sfj3ovdzho4xu4qlnnvn3m

Video Communication Networks [chapter]

Dan Schonfeld
2009 The Essential Guide to Video Processing  
A brief introduction is presented highlighting several video communication applications including digital television, video streaming, video-on-demand, and video conferencing.  ...  For simplicity, this presentation will focus primarily on the MPEG-2 video compression standard.  ...  H.261 video representation of QCIF and CIF streams are compressed to 64 and 384 Kbps, respectively.  ... 
doi:10.1016/b978-0-12-374456-2.00019-0 fatcat:cubhwpxid5fs5lzat5632dl76u

Video Communication Networks [chapter]

Dan Schonfeld
2005 Handbook of Image and Video Processing  
A brief introduction is presented highlighting several video communication applications including digital television, video streaming, video-on-demand, and video conferencing.  ...  For simplicity, this presentation will focus primarily on the MPEG-2 video compression standard.  ...  H.261 video representation of QCIF and CIF streams are compressed to 64 and 384 Kbps, respectively.  ... 
doi:10.1016/b978-012119792-6/50123-6 fatcat:mikq5fxikzb2lapuhnuogybs6e

Adaptive packet video streaming over IP networks: a cross-layer approach

T. Ahmed, A. Mehaoua, R. Boutaba, Y. Iraqi
2005 IEEE Journal on Selected Areas in Communications  
While there is an increasing demand for streaming video applications on IP networks, various network characteristics make the deployment of these applications more challenging than traditional Internet  ...  This dissertation thesis examines these challenges and presents a cross layer video  ...  Many RTP payload format was proposed for many video codec such as for H.261 [111] , for MPEG1/MPEG2 Video [112] , for H.263 [113] , for MPEG-4 Audio/Visual Streams [114] , and in progress RTP payload  ... 
doi:10.1109/jsac.2004.839425 fatcat:4x2z77kyszf7ncu64stxtfbgii

Videoconferencing on the Internet

T. Turletti, C. Huitema
1996 IEEE/ACM Transactions on Networking  
The video coder-decoder (codee) is a software implementation of the UIT-T recommendation H.261 originally developed for the Integrated Services Digital Network (ISDN).  ...  This paper describes the INRL4 Vldeoconferencing System (IVS), a low bandwidth tool for real-time video between workstations on the Internet using UDP datagrarns and the 1P mutticast extension.  ...  The following fields of the RTP header are specified: q The payload type should speci~H.261 payload format (see the companion RTP profile document RFC 1890). c The RTP timestatnp encodes the sampling instant  ... 
doi:10.1109/90.502233 fatcat:j5rsqxmr3ze6tinbqnkyi52v24

Secured video streaming development on smartphones with Android platform

Danang Tri Massandy, Ir. Rinaldi Munir
2012 2012 7th International Conference on Telecommunication Systems, Services, and Applications (TSSA)  
In this paper, we proposed an application for video streaming on Android smartphones that can capture video from camera smartphone and then send it to the computer in realtime.  ...  In selective encryption on H.264 video format, slice data on slice with type I is selected as part of the I-Frame to be encrypted.  ...  Therefore, from year to year for digital video compression methods is growing as MPEG-1, MPEG-2, MPEG-4, H.261, H.263, H.264 or MPEG-4 AVC, and VP8.  ... 
doi:10.1109/tssa.2012.6366079 fatcat:hhdmyjxvwrfcnevq7qnqeeffze

Adaptive Media Streaming Using Self-reconfigurable Proxies [chapter]

Oussama Layaida, Slim Benattalah, Daniel Hagimont
2004 Lecture Notes in Computer Science  
This paper addresses these issues and describes a framework for the dynamic configuration and the reconfiguration of network-based media adaptation.  ...  With the increasing number of networked devices, multimedia applications require additional functionality inside the network in order to adapt multimedia streams.  ...  The second action changes the encoding format (fmt attribute) to H.261 (given by a standard payload number, see [17] ).  ... 
doi:10.1007/978-3-540-25969-5_97 fatcat:5k5xaup3szgvtel5z6aj6jshra

H.264/AVC over IP

S. Wenger
2003 IEEE transactions on circuits and systems for video technology (Print)  
After the description of the environment, the error-resilience tools of H.264 and the draft specification of the RTP payload format are introduced.  ...  The paper describes the use of H.264 coded video over best-effort IP networks, using RTP as the real-time transport protocol.  ...  For many more powerful media-coding schemes including all video codecs, an additional payload header precedes this bit stream, whose format is specified in an RTP payload specification-please see Section  ... 
doi:10.1109/tcsvt.2003.814966 fatcat:5ivxtodrlnd3nbtxrwvzaln7sq

A Generic Scheme for the Recording of Interactive Media Streams [chapter]

Volker Hilt, Martin Mauve, Christoph Kuhmünch, Wolfgang Effelsberg
1999 Lecture Notes in Computer Science  
video.  ...  To facilitate the generic recording we have defined a profile for the Real-Time Transport Protocol (RTP) that covers common aspects of the interactive media class in analogy to the profile for audio and  ...  H.261 video streams).  ... 
doi:10.1007/3-540-48109-5_24 fatcat:bwm36mccgvanvhdop5skl6ovua

Application of H.263+ Video Coding Modes in Lossy Packet Network Environments

Jörg Ott, Stephan Wenger, Gerd Knorr
1999 Journal of Visual Communication and Image Representation  
While this problem is well understood and solved for existing audio coding schemes, support from the video coding standards themselves is required for video streams.  ...  This paper presents the newly introduced error resilience mechanisms built into the second version of H.263 (1998), known under its working name H.263+, and addresses the corresponding packetization format  ...  An example is the RTP payload for H.261 coded video streams: two additional control packets are defined to request an intra frame from the sender (Full Intra frame Request, FIR) and to notify the sender  ... 
doi:10.1006/jvci.1998.0405 fatcat:irlzqc2rkbf73g5tdpomxz7oha

Rtp and the Datagram Congestion Control Protocol

Colin Perkins, Ladan Gharai
2006 2006 IEEE International Conference on Multimedia and Expo  
We describe how the new Datagram Congestion Control Protocol (DCCP) can be used as a bearer for the Real-time Transport Protocol (RTP) to provide a congestion controlled basis for networked multimedia  ...  This is a step towards deployment of congestion control for such applications, necessary to ensure the future stability of the best-effort network if high-bandwidth streaming and IPTV services are to be  ...  Thanks to Philippe Gentric, Magnus Westerlund and members of the IETF DCCP working group for comments on this work.  ... 
doi:10.1109/icme.2006.262832 dblp:conf/icmcs/PerkinsG06 fatcat:wbocmlb265bplo6q4wl7wh74vu

Session Description Protocol [chapter]

2009 Informa Telecoms & Media  
type of media (video, audio, etc) o The transport protocol (RTP/UDP/IP, H.320, etc) o The format of the media (H.261 video, MPEG video, etc) For an IP multicast session, the following are also conveyed  ...  For RTP media streams operating under the RTP Audio/Video Profile [3] , the protocol field is "RTP/AVP".  ...  The rules for formats (see below) apply to such registrations.  ... 
doi:10.1201/9781420092875.ch12 fatcat:uu7pzwg2drdrlel33qsnqok7p4
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