Ppt on video conferencing basics

SIP and SIPPING WGsMay, 6-7 2002 IETF Interim Meeting Orit levin Conferencing Requirements for SIP Based Applications.

Reality Example of a Complete Application Members’ Management Applications’ Coordination Real Time (Voice and Video) Star Conferencing Application Instant Messaging Full Mesh Application White Board T.120 Based Application Chair Control Application/RT Multimedia Conference Center ParticipantEdge Participant Basic UA Conferencing Center Logic Conferencing Edge Logic (Optional) SIP RTP/RTCP CONFERENCING/CALL PLANE VIDEO DATA PLANE AUDIO DATA PLANE Presentation Spaces Conferencing Extensions MP SIP and SIPPING /


University of Houston Video Standards Datacom II Lecture 12 A Second Addition Dr. Fred L Zellner Second Addition.

specific Early 1980’s Basic technology Algorithms Private lines Big “iron” Late 1980’s Early packaged systems Self-contained “Roll-abouts” Multipoint bridges Private lines, some S56 Mid 1990’s Personal videoconferencing More standards H.323, H.324, T.120 Desktop systems Widespread ISDN Early 1990’s Globalization ITU Standards - H.320 Early ISDN Smaller Boxes Evolution of Video Conferencing 3 Underpinning Technologies/


H EALTH I NFORMATICS Week 1. M ODULE I NTRODUCTION COM510 - Health Informatics aims to provide you with a basic understanding of the fundamental aspects.

of the use of technology in healthcare. Emphasis is placed upon the use of technology to develop basic solutions for healthcare delivery and management. R ATIONALE (2) This shall be realised through understanding how / curative aspects. Clinical Uses Transmission of medical data / images for diagnosis and management Health advice over telephone Video conferencing – exchanging health service and education. Nonclinical Uses Remote admission Overall internet based healthcare system management Healthcare system /


Polycom Audio & Video Solutions (……. as easy as a phone call) Ryan Finlay Steve Blackman.

have access to PRC) Basic Access is provided Upon review/approval by Polycom, full access is granted Basic Access includes: Product Activation Product Registration Support Ticket Certifications Basic Access includes: Product /video Simple extension dialling regardless of endpoint type Escalate from audio to video on demand One-click conferencing from IP softphones Full Multi-Point integration with Polycom Bridges Six way telephony-style ad-hoc conferencing Ad-hoc multipoint video and audio conferencing/


Web conferencing technology in online courses: a 10-year perspective Robert Zotti Assistant Dean, WebCampus Stevens Institute of Technology

as difficult – Many instructors already used to running webinars © 2014 by Robert Zotti The costs of web conferencing Three basic vendor pricing models –Price per concurrent (real-time) seat Easiest to understand and manage Most expensive, particularly when/) Downloading recordings was time-consuming Does not officially support Google Chrome Does not render PowerPoint animations Does not share video content well © 2014 by Robert Zotti Wimba Problem Log (2011-2012) © 2014 by Robert Zotti 2010 Blackboard/


Innovative IP Voice and Video

Features for all GXV Series IP Surveillance Models HTTPS Free GSurf Video Management Software Alarm Buffer Every GXV Series Camera Ships With A Basic / Standard Lens Included Video Watermark Multi-Steaming Rate Free Firmware Upgrades Password Protection Free Provisioning / SIP desk phone, a Skype-enabled video phone, a cost-effective SMB video conferencing solution, and a do-it-all consumer product. You should also think of it as a dynamic IP video monitoring station. Grandstream’s IP surveillance solutions/


Using Web Conferencing Systems for On-campus and Online Courses Robert Zotti Assistant Dean, WebCampus Stevens Institute of Technology

and 60 Graduate Certificates © 2015 by Robert Zotti Web Conferencing at Stevens Basic User Interface – a good slide to use during Orientation Before Web Conferencing… 2000-2003 2004 Interaction in online courses based on discussion/and Quizzes Starting Conversations Before Class – Review of recorded lectures – Review of related recordings from previous classes – Related videos from special campus lectures Pioneer project (NASA) AZ Rt. 10 Expansion Promoting Student Interaction – Project Teams & Virtual /


Innovative IP Voice and Video

Features for all GXV Series IP Surveillance Models HTTPS Free GSurf Video Management Software Alarm Buffer Every GXV Series Camera Ships With A Basic / Standard Lens Included Video Watermark Multi-Steaming Rate Free Firmware Upgrades Password Protection SIP / VoIP/leading SIP desk phone, a Skype-enabled video phone, a cost-effective SMB video conferencing solution, and a do-it-all consumer product. You should also think of it as a dynamic IP video monitoring station. Grandstream’s IP surveillance solutions /


Living Online Module Lesson 25 — Internet Essentials Computer Literacy BASICS.

a family reunion. – Freeware and commercial versions of software, such as CU-SeeMe, provide a chat setting with audio and video. – Hardware requirements include a microphone and speakers for audio and a digitizing camera for video. Computer Literacy BASICS 39 Online Conferencing (cont.) Online conferencing offers many benefits: – People all over the world can meet without travel costs. – It allows equal time for all participants/


© 2013 Avaya Inc. All rights reserved. 1. 2 Полнофункциональное (Full Stack) решение для предприятия размером до 3000 абонентов Contact Center Collaboration/Video.

Choices Based On Job Function Power User Office Worker Basic User Receptionist Customer Service Agent Customer Service Supervisor Receptionist /& iPAD Support Compact User Experience Compact User Experience Voice, Video, IM, Presence Voice, Video, IM, Presence Web Collaboration Web Collaboration Contact Filtering Contact Filtering/ Web-Client, Call Control IM, Presence IM, Presence Meet Me Conferencing Meet Me Conferencing Add & Drop participants Add & Drop participants Web Collaboration Web Collaboration/


Video conferencing within a frame of innovative learning infrastructures Libor Štěpánek, Alena Hradilová, Hana Katrňáková, John Morgan, Janice de Haaff,

professionals - students INVITE module course book VIDEO CONFERENCING (I) LANGUAGE SKILLS (III) SOCIAL/CULTURAL SKILLS (IV) TECHNICAL SKILLS (II) ORGANISATIONAL SKILLS SKILL LEVELS Level 1  Input of theoretical rules/principles  Basic practice Level 2  Discussing typical or/ Discourse: The Modes and Media of Contemporary Communication. London: Arnold. Morgan, J. (2005). "Video conferencing as an evolving literacy practice in higher education" [online] http://www.wvn.ac.uk/bd20051117.htmhttp://www/


Multimedia: Conferencing 7-1. MM Networking Applications Fundamental characteristics: typically delay sensitive – end-to-end delay – delay jitter loss.

concepts, including situations where videoconferencing may be used Identify the videoconferencing equipment Describe how to prepare for a videoconference Videoconferencing – What Is It? “Video conferencing in its most basic form is the transmission of image (video) and speech (audio) back and forth between two or more physically separate locations.” Video Conferencing Cookbook. http://www.vide.gatech.edu/cookbook2.0/ Videoconferencing Components Cameras (to capture and send/


Video Commons 2.0 Product/Service Overview. Video Commons 2.0 Product Summary ▸ OSHEAN architected a Virtual Private Cloud (VPC) of multimedia services.

Generate analytic reports LMS Integration 16 Via LMS Automatically publish and share content directly to Course Catalogs Supports basic LTI, Sakai, Moodle, Canvas, Blackboard, Brightspace/D2L Integration with your LMS enables a workflow to /demand content streaming Custom skin portal Unlimited user accounts LMS integration AD/LDAP Integration Integrated video conferencing (12 concurrent ports) Ϯ Live webcasting Closed Caption Video Commons Gold Package $13,900/Package $2,500 one time install fee 100GB /


AGENDA. Founded in 2002 Over 500 employees Product Portfolio contains over 40 products: Video Conferencing Systems, 20 different IP.

Seating and/or tables facing one direction at the presentation space  Presentation space consists of monitors for presentations and video conferencing  Ideal setup contains multiple monitors to screen share and view attendees simultaneously  Screen sharing available to all GVC/enabled browser  Attendees can screen share from the GVC320x or through the WebRTC browser  GVC3202 and IPVideoTalk Basic or Small Business plans would be the best suited combination for this small room format 12 WWW.GRANDSTREAM./


H.323, IP Multicast Conferencing, And TAPI 3.0 Don Ryan Development Lead Windows Networking And Communications Microsoft Corporation.

RTP/RTCP Local area network interface Gatekeeper control (RAS) Video codec H.261, H.263 Call control (Q.931) Multimedia control (H.245) Video I/O equipment H.323 MSP H.323, IP Multicast Conferencing, and TAPI 3.0 Slide 8 H.323 Call / to the TAPI 3.0 interfaces  Combine traditional and Internet telephony  Rich and flexible media control  Accessible from Visual Basic ® and Java ™ Continue writing TAPI Service Providers Continue writing TAPI Service Providers Write codecs and payload handlers for the TAPI/


… a rose by any other name Internet videoconferencing IP-based videoconferencing (Internet Protocol) Web-based videoconferencing Desktop video conferencing.

) video & audio communication over a standard high speed internet connection with standard quality of 30 frame per second video quality using unique IP addresses for reliable high speed internet connection (450kbps) … some agreed upon basics Long/1500 videophone (small success) 1992: MBone (multicast backbone) system. minimizes data requirements for multipoint audio/video-conferencing free virtual network uses mrouters that can support IP multicast enables access to real-time interactive multimedia on /


1 Scalable Video Coding the 2012 disrupter?. Today’s Discussion H.264 AVC SVC fundamentals Simulcast SVC in videoconferencing –Vidyo –Radvision –Cisco.

simulcast in 2012 Currently in process of slimming down from ~9 video clients to 2 (and then 1)…. Jabber branding 28© 2012 Wainhouse Research, LLC. Cisco’s Unified Conferencing Cloud – On-premise – Switching – Transcoding Transcoded Multipoint Conferencing  Lowest bandwidth consumption  Maximizes interoperability Switched Multipoint Conferencing  Lowest Latency  Ability to virtualize  High scalability Webex Conferencing  Cloud or On-Premises  Global reach  Scheduled and Ad-Hoc Cisco/


©2012 ClearOne Communications. Confidential and proprietary. COLLABORATE ® Video Conferencing Networking Basics.

©2012 ClearOne Communications. Confidential and proprietary. COLLABORATE ® Video Conferencing Networking Basics ©2012 ClearOne Communications. Confidential and proprietary. IP Addressing +IP addressing +Networking Ports +Network Address/ input +Much longer to set up –Must set IP address on all devices, not server centric +Why use Static IP’s? –Video Conferencing Units –NetPoint –Cameras –Media Servers –Virtual controls –Third Party controls using IP –Gateway Routers need to be static No DHCP server available/


Video conferencing Global connection Local connections.

Network System of digital phone connections allowing simultaneous data transmission Voice and data carried via B channels Via 64 Kb/s Basic Rate Interface – BRI = 64Kb/s B chann Primary Rate Interface- PRI =144Kb/s D chann VC - Connections/ Reasonably soundproofed Curtains for windows Camera must be able to see all group Trowt-Bayard, Toby, and Jim R. Wilcox, Video Conferencing The Whole Picture, Flatiron Publishing, Inc., 2nd Edition, March 1997 VC – survey of market Websites – (cookbook) Discussion /


7 Video.

video has about 25 images Therefore, a second of video is worth about 25,000 words Generate Moving Pictures Video Use video camera to capture a sequence of frames Animation Generate each frame individually either by computer or by other means Basics of Video Analog video/Free of Charge Movie Maker is Free of Charge 7.4 Video Applications Video Conferencing Desktop Video Conferencing (DTVC) Communications Infrastructure LAN DSL Modems (POTS) International Telecommunication Union (ITU) H.320 ISDN standard H./


5.1 Basics of Office Automation Affordable computer hardware and user-friendly application software make computer systems the most popular working tools.

Storage Office records, documents and various kinds of multimedia materials are common types of data found in an office. Some examples of multimedia materials: Scanned forms Voice mails Videos recorded during video conferencing 5.3 Basic Activities in Office Automation Data Storage Various secondary storage devices can be used to store the data. Secondary storage deviceUsage Hard disk Storage of data and software Compact/


Road Map Overview of Digital Video Processing Video Acquisition Video Manipulation Why Video Processing in present time.

as our PCs 1/28/2016Digital Video Processing17 Video Telephony Video telephony application coming to your cell phone. 1/28/2016Digital Video Processing18 Source: www.grandstream.com Video telephony Video Conferencing In school/ college, teachers talk to student via video conferencing facility. Students asks his/her queries through video conferencing. 1/28/2016Digital Video Processing19 VIDEO CONFERENCING Dynamic Processing in Human Body by Video Digital Processing 1. Medical video analysis. 2. Where dynamic/


Video Conferencing Solutions for Professional Development & Classroom Activities Johnny Hamilton Director, Professional Development 2it Education Solutions.

Professional Development & Classroom Activities Johnny Hamilton Director, Professional Development 2it Education Solutions ®, LLC (www.2itEdSol.com)www.2itEdSol.com Video Conferencing Basics  View live video and audio  Remote desktop  Share files  Point to point vs. Multiple participants  How to find other participants Video Conferencing Requirements  Computer  High speed Internet connection (upload and download speeds)  Camera  Microphone/speakers or speakerphone  Digital whiteboard or projector/


Overview of H.264 Video Coding Trần Duy Trác ECE Department The Johns Hopkins University Baltimore, MD 21218.

.264 vs. MPEG-2: Low bit-rate (1) MPEG-2 203kbps H.264 39 kbps H.264 vs. MPEG-2: Low bit-rate (2) Comparison to Other Standards Basic H.264 Profiles  Baseline (Video-conferencing & Wireless)  I and P frames (no B frame)  Interlace  Adaptive frame/field  In-loop deblocking filter  ¼ -sample motion compensation  Variable block motion estimation  CAVLC  Some error resilience features/


Video-conferencing Jakub Topič, I2B. Video-conferencing basics  Communication using transmission of video and audio (speech) between two or more devices.

Video-conferencing Jakub Topič, I2B Video-conferencing basics  Communication using transmission of video and audio (speech) between two or more devices in different locations  Real time  Similar to making a phone call Adventages  Save time and resources  The visual interraction can make communication /


N ETWORKed M EDIA L AB. D EPT. OF I NFO. & C OMM., K-JIST Video over IP as a VoIP extension JongWon Kim, Ph.D. Advanced Network Conference (APAN Busan.

EDIA L AB. D EPT. OF I NFO. & C OMM., K-JIST Video Quality and Function Issues (2) Provide more natural, cooperative environment for multi-site conferencing  Let’s avoid transcoding and enhance user experience oCreate all representations needed in the/Per View Immersive Media > 100 Mbps  What kinds of broadband contents oHigh speed Internet access: WWW + Mail + Messaging oVideo focused: Basic TV + Pay TV + Personalized TV oNetworked games + Music downloads + Online gambling o… N ETWORKed M EDIA L AB. D EPT/


Chapter 10 Basic Video Compression Techniques 10.1 Introduction to Video Compression 10.2 Video Compression with Motion Compensation 10.3 Search for Motion.

Basic Video Compression Techniques 10.1 Introduction to Video Compression 10.2 Video Compression with Motion Compensation 10.3 Search for Motion Vectors 10.4 H.261 10.5 H.263 10.6 Further Exploration 1Li & Drew Fundamentals of Multimedia, Chapter 10 10.1 Introduction to Video Compression A video consists of a time-ordered sequence of frames, i.e., images. An obvious solution to video/ H.263 H.263 is an improved video coding standard for video conferencing and other audiovisual services transmitted on Public /


Video Conferencing Global Dialing Scheme (GDS) Zeeshan Aamir.

talk to and see others in real time Zeeshan Aamir What are the benefits of video- conferencing? The visual interaction can enhance communication Increases connections with the world It can save time and other valuable/ Provide: Admission Control Call Authorization Address Translations Bandwidth Management Zone Management Call Signal Routing Management Functions Zeeshan Aamir Basic Operation Endpoints register with gatekeeper -This is a one time administrative task Endpoint asks gatekeeper for permission to place/


 * Transparencies! 35mm slide projector, a VCR?  * Conferences calls from phones & desk style  units (star shaped speaker phones)  * 2 way Video.

 units (star shaped speaker phones)  * 2 way Video Conferencing (video & sound)  * Multi-location Video Conferencing & with  document sharing from Word files,  Excell/ppt/photos/CAD drawings)  * Interactive White Boards w/video projectors  * All stand alone solutions!  VTC:  VTC: Video Tele-Conferencing (Codec) System includes camera & microphone(s) with built in basic echo cancellation + network interface.  Audio Conferencing:  Audio Conferencing: (Audio only) Smart phones and desktop calling/


WEB CONFERENCING ACCESSIBILITY ISSUES Norm & Beth Coombs 1.

media so that they can ensure they are using the most up to date version Ensure that videos are captioned and audio also has a text transcripts 20 DISTRACTING CONFERENCING TOOLS In a small group, using hand raising, voting, emoticons text or voice chat can add /those that enhance the message and limit extraneous distractions 24 TIPS IN SELECTING A WEB CONFERENCING SYSTEM How do you select which car to buy? A 2-seater sport convertible Basic 4-door sedan Jeep with 4-wheel drive Truck BMW or Mercedes SUV 25 /


The Basics of Voice over the Internet Protocol Frank M. Groom, Ph.D. Professor of Information and Communication Sciences Ball State University.

the WAN Universal Scheme for Connecting VoIP Traffic to Multiple Nets SESSION INITIATION PROTOCOL (SIP) FOR VOIP TRANSMISSION Basic SIP Overall Network and Services Architecture SIP MESSAGES Messages exchanged by client phones with servers &destination phones 1. /out in the network. h) MGCP defines a means of handling signaling and session management for multimedia (voice, video, and data) conferencing. The principle components of a MGCP process include: 1. the originating IP phones, 2. the Media Gateway/


Presents H.323 Forum 2002. Glowpoint- A Service provider approach to Video conferencing Presented by Chaim Fried Wire One Technologies.

part by: H.323 Forum – November 2002 – New York, NY, USA H.323 and Video Conferencing Voice over IP –Over 80% of this market is H.323 Video Over IP –Well over 95% of this market is H.323 based –From the perspective of /323 Forum – November 2002 – New York, NY, USA The Role of a Video Conferencing Service Provider To Emulate the PSTN in almost every way while adding Video. To bridge the uncommon technologies To overlay the basic service with additional value-added features Sponsored in part by: H.323 Forum –/


IP Multimedia Subsystems By Vamsee K Pemmaraju. Agenda IMS Example IMS Example Overview Overview Basic Principles Basic Principles Architecture Architecture.

, IMS uses open standard IP protocols, defined by the IETF  Designed for both wireless and wire line networks. BASIC PRINCIPLES Access independence: IMS will eventually work with any network (fixed, mobile or wireless) with packet switching functions, such/-based service. Examples include voice over IP (VOIP), Push to talk over Cellular(POC), multiparty gaming, video conferencing, Messaging, community services, Presence Information and content sharing.IP IMS Network (Access Independent Service Enabled) In /


MULTIMEDIA TECHNOLOGY SMM 3001 MEDIA - VIDEO. In this chapter How digital video differs from conventional analog video How digital video differs from.

computer data Inherits some of the advantages & capabilities shared by other forms of computer data Eg. video conferencing – audio and video is transmitted in real time Eg. video conferencing – audio and video is transmitted in real time DIGITAL VIDEO FEATURES Other features : Other features : Digital video offers powerful editing capabilities Digital video offers powerful editing capabilities Digital editing exploits the power of the computer to insert, delete, combine, copy/


Eleven Interesting Ways* to use Web Conferencing in the Classroom *and tips This work is licensed under a Creative Commons Attribution Noncommercial Share.

live from a session or the floor. Flashmeeting, Glow Meet, and live stream on Twitcam can all be run using a basic webcam attached to a notebook, and a wired or wifi connection. If you know the educationist who is broadcasting, consider letting/ classroom. I teach band and choir and it is challenging and expensive to find specialists to visit the classroom. However, with video conferencing I am able to give that bassoon player a lesson. I can also have leading conductors listen in to rehearsals and offer /


Distributed Tuple-space Server for Ubiquitous Video Conferencing Faculty Advisors Dr. Charles Liu Dr. Helen Boussalis Student Assistants: Aleksander Milshteyn.

/13/201510NASA Grant URC NCC NNX08BA44A Semantic Network Component Update (continued) Key Features Basic Object Tables Complete Allows table inheritance Commutates with Client (QT) application) Communication with Tuple Space successful 6/13/201511NASA Grant URC NCC NNX08BA44A Main Pending Tasks: - Audio Transmission/Compression MP3 - FTP Client/Server Establishment Ubiquitous Video Conferencing Present Status: - Memory (RAM) Measurements (Completed) - Bandwidth Measurements(Completed) 01/13/201112NASA/


ICS Embedded Architecture: Final Project Spring 2011 Harold Bautista Hans Yeager Shannon Kesner Vaidehee Padgaonkar Video Conferencing Across.

Vaidehee Padgaonkar Video Conferencing Across Project Overview Goal: Demonstrate video conferencing across BeagleBoards Presentation Topics o Hardware o Operating System o SW Development o User App o Performance o Demo Timeline: [February]Obtained Hardware and Booted OS [March] Basic Peripheral Check/compile for arm can be done via school machines o Evaluated user apps performance earlier and enable audio conferencing only Host Platform Learnings o You need one to code/compile on BeagleBoard is too slow o /


Audio and Video Streaming By Nanda Ganesan, Ph.D. © Nanda Ganesan, All rights reserved.

Rates 4-6 fps –Absolute minimum for video conferencing 11-14 fps –The norm for video conferencing 30 fps –Full motion video Codec (Compressor/Decompressor) Coding techniques to compress video data The newest codec change their sampling rate/ your computer Installation of Streaming Software Windows Media Tools –Windows Media Encoder RealSystems G2 –RealProducer 7 Basic Windows Media Technologies http://www.microsoft.com/windows/windowsmedia Download Windows Media Tools RealSystem G2 Download RealProducer /


Audio and Video Streaming Created by: Thanh Ly, Liqin Zhang, Ronald Togelang, Hector Frausto Modified by: N. Ganesan.

Rates 4-6 fps –Absolute minimum for video conferencing 11-14 fps –The norm for video conferencing 30 fps –Full motion video Codec (Compressor/Decompressor) Coding techniques to compress video data The newest codec change their sampling rate/ your computer Installation of Streaming Software Windows Media Tools –Windows Media Encoder RealSystems G2 –RealProducer 7 Basic Windows Media Technologies http://www.microsoft.com/windows/windowsmedia Download Windows Media Tools RealSystem G2 Download RealProducer /


XCON WG IETF-73 Meeting Instant Messaging Sessions with a Centralized Conferencing (XCON) System draft-boulton-xcon-session-chat-02 Authors: Chris Boulton.

point for the XCON Framework: –In conjunction with other media (e.g. Voice, Video) –Standalone (e.g. Chat Rooms) Independent of the work in SIMPLE WG: draft-ietf-simple- chat Protocol agnostic: Intent is to have no impact on existing IM/chat protocols IM Client Conferencing System Basic Model Conferencing System is point of Inter-working for various IM chat clients – protocol agnostic Current/


VIDEO CONFERENCING P repared by Reshma Chandran Optional: English Class no :14 S N T C Nedunganda.

Speaker technology has advanced so much so that basic build in notebook or computer speakers are often sufficient for a one-to-one person broadcast. 4. Microphone It is required when sound needs to be contributed. It is required when sound needs to be contributed. 5. Coder or Decoder Non-computer based video conferencing requires a coder or decoder to perform the communication/


Customer needs: Less than 10 users AND Basic IT needs* More than 10 users OR Advanced IT needs* Office desktop applications Office 365 Small Business.

data loss prevention 3,4 Integrated voicemail capabilities (for local phone system) Online meetings, Instant Messaging and Video Conferencing in Office 365 is powered by Lync Online. If you have more questions that are not answered below,/ documents and work collaboratively Public facing website Enterprise social networking built into SharePoint Online Enterprise social networking: Yammer Basic Features Cross browser support (IE, Chrome, Firefox, Safari) Mobile device support - touch friendly UI, smartphone/


Video Compression Lecture 6. Video Basic  Analog TV/Monitor  Progressive  Interlacing  Colours  National Television Standard Committee (NTSC)  30.

the motion vector MV = (u, v), such that MAD(i, j) is minimum: H.261 Video  H.261 Compression was designed for video telephony and video conferencing applications  Developed by CCITT (now ITU-T) in 1988-1990  Intended for use over ISDN telephone/ bitrate  Order coefficients in zig-zag order  Run-length encode  Huffman code what remains Inter-frame compression  Basic compression process is the same as intra-frame compression, but the data is the differences from the immediately preceding frame rather/


1 © 2006 Cisco Systems, Inc. All rights reserved. NJEDge.Net DRG/VRG Video QoS NEXT GENERATION NETWORK Walter King System

WAN Router/ Gateway Call Manager 31 © 2006 Cisco Systems, Inc. All rights reserved. Gatekeeper Zones Basics Cisco IOS feature, based on H.323 RAS protocol Can be used between Cisco CallManager clusters, H./Network Services Internet2 Internet Video Conferencing National Lambda Rail National Research Foundation Apps Weather Modelling GRID Clustering GRID HPC Disaster Recovery Storage Video on Demand/Streaming Video DVI HDTV /Very High Bandwidth Video Multicast/Streaming Video Community Medical Computing VoIP/


3D Computer Vision and Video Computing Introduction Instructor: Zhigang Zhu City College of New York CSc I6716 Fall 2010 3D Computer.

York zzhu@ccny.cuny.edu CSc I6716 Fall 2010 3D Computer Vision Introduction 3D Computer Vision and Video Computing Course Information n Basic Information: l Course participation l Books, notes, etc. l Web page – check often! n/communication, video conferencing n Research in image, vision, graphics, virtual reality l 2D image processing l 3D modeling, virtual walk-thorugh n Consumer/ Medical Industries l Video cameras, Camcorders, Video phone l Medical imaging 2D -> 3D 3D Computer Vision and Video Computing /


1 Bi-level Video: Video Communication at Very Low Bit Rates Jiang Li; Gang Chen; Jizheng Xu; Yong Wang; Hanning Zhou; Keman Yu; King To Ng; Heung-Yeung.

be different in terms of latency requirements, visual quality requirements, processing capabilities, power limitations, and bandwidth limitations… 5 INTRODUCTION (cont.) Heterogeneity (video conferencing) Sender Receiver link1 link2 Unicast video distribution using multiple point-to- point connections 6 INTRODUCTION (cont.) Sender Receiver Multicast video distribution using point- to-multipoint transmission Lack of flexibility in multicast: Receiver may be different in terms of latency requirements, visual/


Internet Phone & Video Services

than landline cable to transmit voice and video signals Advantages of VoIP: Lower cost (or free) phone service Inexpensive domestic & overseas calling Video calling capability Phone & video conferencing Telephone vs. VoIP Network Public Switched Telephone/ - Basic phone service for comparison Internet Phones Video Calling Systems (free) ooVoo Skype Yugma Vbuzzer Ekiga TokBox Eyejot SightSpeed Google Chat Yahoo Messenger AOL Instant Messenger Video Calling Systems Conference Call One-on-One Video Calling/


NORDUnet Nordic infrastructure for Research & Education Global Video Alliance An overview of the GVA Service Model – a work in progress Presented to the.

stream Global UI Directory Objects… NORDUnet Nordic infrastructure for Research & Education Start with User Service Model The basic GVI User Service Model adopts a commonly understood “Meeting” paradigm The Meeting object includes attributes: – “attendees/of standards documents that describe an architecture/framework for a globally scalable, secure, and interoperable video conferencing service – Drive multi-vendor implementations and demonstrate global interoperability – Continuing process to incrementally /


InterCall Conferencing Services: More Ways to Communicate Presented By: Michelle Hunter ForEDTC/560.

Meetings and Webinars (Seminars) Video Conferencing IP-Based Technology to connect to people IP-Based Technology to connect to people Web Conferencing Interactive meetings Online training sessions Powerful multi-media trust InterCall service ReliableFlexible Provides personal attention Web Conferencing Services by WebEx Enhanced Web Connections Mshow Mshow Event Center Event Center Training Center Training Center Support Center Support Center Basic Web Connections Conference Place Conference/


1 Video Concepts and Techniques Wen-Shyang Hwang KUAS EE.

Concepts Basic Video Compression Techniques MPEG Video Coding I – MPEG-1 and 2 MPEG Video Coding II – MPEG-4, 7, and Beyond 3 Types of Video Signals  3 types: Component Video, Composite Video, S-Video  Component Video – 3 signal use 3 separate video signals for/ for ACs, and finally the End of Block (EOB) code. 16 H.263  An improved video coding standard for video conferencing and other audiovisual services transmitted on Public Switched Telephone Networks (PSTN). aims at low bit-rate communications at/


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