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Understanding Macroblocks PowerPoint PPT Presentation

Understanding Macroblocks - If you are struggling to achieve higher frame rates, this is one way to push ... Makes their frame rate statistics look higher when there is very little motion ...

If you are struggling to achieve higher frame rates, this is one way to push ... Makes their frame rate statistics look higher when there is very little motion ...

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Single Reference Frame Multiple Current Macroblocks Scheme for Multiple Reference PowerPoint PPT Presentation

Single Reference Frame Multiple Current Macroblocks Scheme for Multiple Reference - IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY. Tung-Chien Chen, Chuan-Yung Tsai, Yu-Wen ... Four sequences: Foreman, Mobile, Akiyo, and Stefan. ...

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY. Tung-Chien Chen, Chuan-Yung Tsai, Yu-Wen ... Four sequences: Foreman, Mobile, Akiyo, and Stefan. ...

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MPEG Video (Part 2) PowerPoint PPT Presentation

MPEG Video (Part 2) - MPEG Video (Part 2) MPEG Encoding Revisit Overall MPEG bitstream organization. I-Frames Examples of many encoding techniques: Subsampling (chrominance planes ...

MPEG Video (Part 2) MPEG Encoding Revisit Overall MPEG bitstream organization. I-Frames Examples of many encoding techniques: Subsampling (chrominance planes ...

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MPEG Video (Part 2) - MPEG Video (Part 2) Ketan Mayer-Patel. CS 294-9 :: Fall 2003. Last Time ... Finding a good motion vector essentially a search problem. ...

MPEG Video (Part 2) Ketan Mayer-Patel. CS 294-9 :: Fall 2003. Last Time ... Finding a good motion vector essentially a search problem. ...

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Adaptive Content-Aware Scaling for Improved Video Streaming. PowerPoint PPT Presentation

Adaptive Content-Aware Scaling for Improved Video Streaming. - Pilot Study Result: Motion Measurement. Motion Computation ... The system is adaptive and scales movies in real-time depending on the loss ...

Pilot Study Result: Motion Measurement. Motion Computation ... The system is adaptive and scales movies in real-time depending on the loss ...

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Global Motion Estimation PowerPoint PPT Presentation

Global Motion Estimation - ????? ????? ?????( local motion vector) ????? ????? ????? ( global ... for ( each macroblock ) SAD = SAD | P(i) - R(i) | ????? ??????? ?? ?????: Shared memory ...

????? ????? ?????( local motion vector) ????? ????? ????? ( global ... for ( each macroblock ) SAD = SAD | P(i) - R(i) | ????? ??????? ?? ?????: Shared memory ...

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ENEE 631 Project Video Codec and Shot Segmentation PowerPoint PPT Presentation

ENEE 631 Project Video Codec and Shot Segmentation - ENEE 631 Project Video Codec and Shot Segmentation Aravind Sundaresan Vikas Raykar Main features/ functionality Can encode monochrome video with frame dimensions (16 ...

ENEE 631 Project Video Codec and Shot Segmentation Aravind Sundaresan Vikas Raykar Main features/ functionality Can encode monochrome video with frame dimensions (16 ...

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Adaptive Multi-path Prediction for Error Resilient H.264 Coding PowerPoint PPT Presentation

Adaptive Multi-path Prediction for Error Resilient H.264 Coding - ... consider de-blocking operation which attenuate the error generated by error concealment ... an-1 : attenuation factor of the propagating error from n-1st to ...

... consider de-blocking operation which attenuate the error generated by error concealment ... an-1 : attenuation factor of the propagating error from n-1st to ...

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ENEE 631 Project Video Codec and Shot Segmentation - Frame should be developed by a broad group (which this committee represents) ... Frame station positions and velocities available by anonymous ftp. ...

Frame should be developed by a broad group (which this committee represents) ... Frame station positions and velocities available by anonymous ftp. ...

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Air Conditioning Controller B'U' PowerPoint PPT Presentation

Air Conditioning Controller B'U' - WinNET local area network links (pLAN) WinSIM simulation / debug ... Local-Remote. Upload-Download of: - firmware - application software - alarm history ...

WinNET local area network links (pLAN) WinSIM simulation / debug ... Local-Remote. Upload-Download of: - firmware - application software - alarm history ...

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Fundamentals of Multimedia Chapter 10 Basic Video Compression Techniques PowerPoint PPT Presentation

Fundamentals of Multimedia Chapter 10 Basic Video Compression Techniques - Fundamentals of Multimedia Chapter 10 Basic Video Compression Techniques Ze-Nian Li & Mark S. Drew

Fundamentals of Multimedia Chapter 10 Basic Video Compression Techniques Ze-Nian Li & Mark S. Drew

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ENEE%20631%20Project%20%20Video%20Codec%20and%20Shot%20Segmentation PowerPoint PPT Presentation

ENEE%20631%20Project%20%20Video%20Codec%20and%20Shot%20Segmentation - Codes the sequence as a series of I/P frames. ... Cur. Recon. frame. Bottom Layer. Bitstream. Recon. Residue frame. Decoder. Blocks. MC. Blocks ...

Codes the sequence as a series of I/P frames. ... Cur. Recon. frame. Bottom Layer. Bitstream. Recon. Residue frame. Decoder. Blocks. MC. Blocks ...

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Introduction to H'264 Video Standard PowerPoint PPT Presentation

Introduction to H'264 Video Standard - ( interlaced, progressive, low bit-rate, studio quality digital ... Synchronization & concealment. Error robustness. I, P, B, SP, SI. I, P, B. I, P, B. I, P, B, D ...

( interlaced, progressive, low bit-rate, studio quality digital ... Synchronization & concealment. Error robustness. I, P, B, SP, SI. I, P, B. I, P, B. I, P, B, D ...

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H'264 - compliant encoders and decoders can successfully interoperate ... Entropy Encoder. Courtesy : Images from H.264 and MPEG-4 Compression ... Video Encoder. In Loop ...

compliant encoders and decoders can successfully interoperate ... Entropy Encoder. Courtesy : Images from H.264 and MPEG-4 Compression ... Video Encoder. In Loop ...

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Reinventing Compression: The New Paradigm of Distributed Video Coding PowerPoint PPT Presentation

Reinventing Compression: The New Paradigm of Distributed Video Coding - The New Paradigm of Distributed Video Coding Bernd Girod Information Systems Laboratory Stanford University Outline Lossless and lossy compression with receiver side ...

The New Paradigm of Distributed Video Coding Bernd Girod Information Systems Laboratory Stanford University Outline Lossless and lossy compression with receiver side ...

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A DCTDomain Video Transcoder for Spatial Resolution Downconversion PowerPoint PPT Presentation

A DCTDomain Video Transcoder for Spatial Resolution Downconversion - A DCT-Domain Video Transcoder for Spatial Resolution Downconversion. Yuh-Reuy Lee, Chia-Wen Lin and Cheng-Chien Kao. CS@National Chung Cheng University ...

A DCT-Domain Video Transcoder for Spatial Resolution Downconversion. Yuh-Reuy Lee, Chia-Wen Lin and Cheng-Chien Kao. CS@National Chung Cheng University ...

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Image and Video Compression PowerPoint PPT Presentation

Image and Video Compression - ... Joint Photographic Experts Group JPEG encoder schematic Image/block ... and the information loss that is acceptable JPEG standard includes two ...

... Joint Photographic Experts Group JPEG encoder schematic Image/block ... and the information loss that is acceptable JPEG standard includes two ...

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Accelerator Design Example PowerPoint PPT Presentation

Accelerator Design Example - Design a motion estimation engine (accelerator) for a PC to enable experimenting ... testing because the design is only a motion estimator, not a video compressor ...

Design a motion estimation engine (accelerator) for a PC to enable experimenting ... testing because the design is only a motion estimator, not a video compressor ...

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Approximate VCCs: A New Characterization of Multimedia Workloads for Systemlevel MpSoC Design PowerPoint PPT Presentation

Approximate VCCs: A New Characterization of Multimedia Workloads for Systemlevel MpSoC Design - Portable multimedia devices are widely used, such as PDAs and mobile phones ... Eclipse, Viper, OMAP, PrimeXsys. Representative audio/video clips are analyzed ...

Portable multimedia devices are widely used, such as PDAs and mobile phones ... Eclipse, Viper, OMAP, PrimeXsys. Representative audio/video clips are analyzed ...

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Error Concealment for Video Communication PowerPoint PPT Presentation

Error Concealment for Video Communication - Various channel/network errors can result in damage to or loss of compressed ... At the VLC decoding level, the VLC being used is not a complete code, once the ...

Various channel/network errors can result in damage to or loss of compressed ... At the VLC decoding level, the VLC being used is not a complete code, once the ...

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Automatic Shot Boundary Detection in the Fschlr Digital Video System PowerPoint PPT Presentation

Automatic Shot Boundary Detection in the Fschlr Digital Video System - News, quiz, afternoon TV, cookery program, Dickie Rock (!), Touched by an Angel, ... programme types, e.g. visually noisy MTV has high threshold compared to visually ...

News, quiz, afternoon TV, cookery program, Dickie Rock (!), Touched by an Angel, ... programme types, e.g. visually noisy MTV has high threshold compared to visually ...

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MPEG-4 VIDEO STANDARD VERIFICATION MODEL PowerPoint PPT Presentation

MPEG-4 VIDEO STANDARD VERIFICATION MODEL - MPEG-4 Video Standard Verification Model Standardizes ... Universal accessibility and portability of audio and video content ... Mechanism to download new tools ...

MPEG-4 Video Standard Verification Model Standardizes ... Universal accessibility and portability of audio and video content ... Mechanism to download new tools ...

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Use of ThreadLevel Parallelism in Architectural Complexity Reduction of MPEG2 Encoder PowerPoint PPT Presentation

Use of ThreadLevel Parallelism in Architectural Complexity Reduction of MPEG2 Encoder - Use of Thread-Level Parallelism in Architectural Complexity Reduction of MPEG2 Encoder ... Exploit natural parallelism. Achieve complexity savings of 96 ...

Use of Thread-Level Parallelism in Architectural Complexity Reduction of MPEG2 Encoder ... Exploit natural parallelism. Achieve complexity savings of 96 ...

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A Picture is Worth a Thousand Words PowerPoint PPT Presentation

A Picture is Worth a Thousand Words - Facial Definition Parameter or user supplied model/texture. Facial Animation Parameter plus Amplification and Filters. Lip Shape Animation from phoneme ...

Facial Definition Parameter or user supplied model/texture. Facial Animation Parameter plus Amplification and Filters. Lip Shape Animation from phoneme ...

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Error Concealment for Video Communication - Error Concealment for Video Communication Presentation: Guo Li 04/11/2002 Introduction Various channel/network errors can result in damage to or loss of compressed ...

Error Concealment for Video Communication Presentation: Guo Li 04/11/2002 Introduction Various channel/network errors can result in damage to or loss of compressed ...

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Fundamentals of Multimedia Chapter 11 MPEG Video Coding I MPEG-1 and 2 PowerPoint PPT Presentation

Fundamentals of Multimedia Chapter 11 MPEG Video Coding I MPEG-1 and 2 - Fundamentals of Multimedia Chapter 11 MPEG Video Coding I MPEG-1 and 2 Ze-Nian Li & Mark S. Drew

Fundamentals of Multimedia Chapter 11 MPEG Video Coding I MPEG-1 and 2 Ze-Nian Li & Mark S. Drew

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Improving Scene Cut Quality for Real-Time Video Decoding PowerPoint PPT Presentation

Improving Scene Cut Quality for Real-Time Video Decoding - Frame skipping occurs after a 'scene cut' (i.e. when MC-prediction model fails) ... Simple yet effective method to improve quality in proximity of scene cuts ...

Frame skipping occurs after a 'scene cut' (i.e. when MC-prediction model fails) ... Simple yet effective method to improve quality in proximity of scene cuts ...

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FaceTrack:%20Tracking%20and%20summarizing%20faces%20from%20compressed%20video PowerPoint PPT Presentation

FaceTrack:%20Tracking%20and%20summarizing%20faces%20from%20compressed%20video - A face-based video summary can help users decide if they want to download the whole video ... the matrices are expanded to show how the states are updated ...

A face-based video summary can help users decide if they want to download the whole video ... the matrices are expanded to show how the states are updated ...

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Scalable Video Coding PowerPoint PPT Presentation

Scalable Video Coding - Temporal scalability with dyadic temporal enhancement layers can be efficiently ... Above is a non-dyadic prediction structure, which provides 0 structural delay, ...

Temporal scalability with dyadic temporal enhancement layers can be efficiently ... Above is a non-dyadic prediction structure, which provides 0 structural delay, ...

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Chapter 10 Basic Video Compression Techniques PowerPoint PPT Presentation

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

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

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3D MOTION ESTIMATION FOR 3D VIDEO CODING PowerPoint PPT Presentation

3D MOTION ESTIMATION FOR 3D VIDEO CODING - Fig 1 shows the prediction structure of the MVC recommended by the H.264/MVC standard. ... Rate-distortion performance by H.264/MVC and the proposed schemes ...

Fig 1 shows the prediction structure of the MVC recommended by the H.264/MVC standard. ... Rate-distortion performance by H.264/MVC and the proposed schemes ...

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Using animation to motivate motion PowerPoint PPT Presentation

Using animation to motivate motion - ... addition), the cost for obtaining a motion vector for a single macroblock is O ( p 2 N 2 ) ... in the Target frame, a motion vector is allocated using one ...

... addition), the cost for obtaining a motion vector for a single macroblock is O ( p 2 N 2 ) ... in the Target frame, a motion vector is allocated using one ...

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Basic Video Compression Techniques PowerPoint PPT Presentation

Basic Video Compression Techniques - An obvious solution to video compression would be predictive coding based on previous ... Aims at low bit-rate communications at bit-rates of less than 64 kbps. ...

An obvious solution to video compression would be predictive coding based on previous ... Aims at low bit-rate communications at bit-rates of less than 64 kbps. ...

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Introduction to Video Transcoding PowerPoint PPT Presentation

Introduction to Video Transcoding - Introduction to Video Transcoding Of MCLAB Seminar Series By Felix Content Introduction MPEG Coding Basics Transcoding Algorithms Summary Introduction Introduction ...

Introduction to Video Transcoding Of MCLAB Seminar Series By Felix Content Introduction MPEG Coding Basics Transcoding Algorithms Summary Introduction Introduction ...

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CHAPTER 7 MPEG1 and MPEG2 PowerPoint PPT Presentation

CHAPTER 7 MPEG1 and MPEG2 - VCD,MP3. MPEG-1 does not recognize interlaced sources. 9 ... Color conversion. Format translation. Prefiltering. subsampling. 15 ...

VCD,MP3. MPEG-1 does not recognize interlaced sources. 9 ... Color conversion. Format translation. Prefiltering. subsampling. 15 ...

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Internetbased interactive HDTV PowerPoint PPT Presentation

Internetbased interactive HDTV - University of Illinois at Urbana-Champaign ... Inverse Variable Length Coding (VLC) converts bit-stream to Motion Compensation (MC) domain ...

University of Illinois at Urbana-Champaign ... Inverse Variable Length Coding (VLC) converts bit-stream to Motion Compensation (MC) domain ...

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An Introduction to MPEG PowerPoint PPT Presentation

An Introduction to MPEG - Frame Layer. Slice Layer: in case the data is lost or corrupted. ... Non-intra frames (P-frames and B-frames) motion compensated information will be used for coding. ...

Frame Layer. Slice Layer: in case the data is lost or corrupted. ... Non-intra frames (P-frames and B-frames) motion compensated information will be used for coding. ...

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November%201st,%202000 PowerPoint PPT Presentation

November%201st,%202000 - Baseline H.263 Video Encoding ... on data dependencies for parallel (out-of-order) execution ... Parallel assembly: SAD, Clip_MB (clips overflowing values) ...

Baseline H.263 Video Encoding ... on data dependencies for parallel (out-of-order) execution ... Parallel assembly: SAD, Clip_MB (clips overflowing values) ...

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Nokia MVC Video Codec PowerPoint PPT Presentation

Nokia MVC Video Codec - Advanced motion model based on orthonormal affine basis functions. ... differences when moving a single pixel right (sxx, sxy) and down (syx, syy) ...

Advanced motion model based on orthonormal affine basis functions. ... differences when moving a single pixel right (sxx, sxy) and down (syx, syy) ...

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Polycom Review of TANDBERG HD Announcements PowerPoint PPT Presentation

Polycom Review of TANDBERG HD Announcements - ... Review of TANDBERG HD Announcements. POLYCOM CONFIDENTIAL. TANDBERG Announces HD in July 2006. In July 2006, TANDBERG announced HD across its entire product ...

... Review of TANDBERG HD Announcements. POLYCOM CONFIDENTIAL. TANDBERG Announces HD in July 2006. In July 2006, TANDBERG announced HD across its entire product ...

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ERROR CONCEALMENT TECHNIQUES IN H'264AVC, FOR VIDEO TRANSMISSION OVER WIRELESS NETWORKS PowerPoint PPT Presentation

ERROR CONCEALMENT TECHNIQUES IN H'264AVC, FOR VIDEO TRANSMISSION OVER WIRELESS NETWORKS - Layered structure - consists of two layers: Network Abstraction Layer (NAL) and ... the macroblock address of the first macroblock of some other preceding slice ...

Layered structure - consists of two layers: Network Abstraction Layer (NAL) and ... the macroblock address of the first macroblock of some other preceding slice ...

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Multimedia Data Video Compression The MPEG1 Standard PowerPoint PPT Presentation

Multimedia Data Video Compression The MPEG1 Standard - This lecture provides a short introduction to video compression using the ... Where can we decimate? Spatial. Colour. Temporal (also audio) ...

This lecture provides a short introduction to video compression using the ... Where can we decimate? Spatial. Colour. Temporal (also audio) ...

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Image and Video Coding PowerPoint PPT Presentation

Image and Video Coding - Image and Video Coding. Compressing data to a smaller ... B frames (Bidirectionally interpolated) Interpolate motion compensated blocks between I and P frames ...

Image and Video Coding. Compressing data to a smaller ... B frames (Bidirectionally interpolated) Interpolate motion compensated blocks between I and P frames ...

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Video Compression - Video Compression

Video Compression

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Slice-Balancing H.264 Video Encoding for Improved Scalability of Multicore Decoding PowerPoint PPT Presentation

Slice-Balancing H.264 Video Encoding for Improved Scalability of Multicore Decoding - Technische Universit t Dresden ... The advent of multicore processor technology. The reduced power consumption caused by distributing computations across ...

Technische Universit t Dresden ... The advent of multicore processor technology. The reduced power consumption caused by distributing computations across ...

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Chapter 10 Basic Video Compression Techniques - Chapter 10 Basic Video Compression Techniques Introduction to Video Compression Video Compression with Motion Compensation H.261 MPEG-1 MPEG-4 MPEG-21

Chapter 10 Basic Video Compression Techniques Introduction to Video Compression Video Compression with Motion Compensation H.261 MPEG-1 MPEG-4 MPEG-21

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Why Compress PowerPoint PPT Presentation

Why Compress - To reduce the bandwidth required for transmission and to reduce storage ... String of characters with occurrence probabilities make up a message ...

To reduce the bandwidth required for transmission and to reduce storage ... String of characters with occurrence probabilities make up a message ...

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Concepts of Multimedia Processing and Transmission PowerPoint PPT Presentation

Concepts of Multimedia Processing and Transmission - Description schemes and description definition language for integrated multimedia search engine ... MP3 = MPEG1 layer 3 audio. Slide: Courtesy, Hung Nguyen. 08 ...

Description schemes and description definition language for integrated multimedia search engine ... MP3 = MPEG1 layer 3 audio. Slide: Courtesy, Hung Nguyen. 08 ...

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Medical Image CompressionEECE 541 Multimedia Systems PowerPoint PPT Presentation

Medical Image CompressionEECE 541 Multimedia Systems - Department of Electrical Engineering and ... Tele-radiology applications. Real time Tele-consultation. PACS (Picture archiving and communication systems) ...

Department of Electrical Engineering and ... Tele-radiology applications. Real time Tele-consultation. PACS (Picture archiving and communication systems) ...

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Aucun titre de diapositive PowerPoint PPT Presentation

Aucun titre de diapositive - Real Time Shot Boundary Detection. Rough Datas Rough Solution ... Shot Change Transition Effects Classification ... The index i is retained as shot border if: ...

Real Time Shot Boundary Detection. Rough Datas Rough Solution ... Shot Change Transition Effects Classification ... The index i is retained as shot border if: ...

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Video Compression and MPEG PowerPoint PPT Presentation

Video Compression and MPEG - Video Compression and MPEG B. Acharya Video Basics Image Video Basics - Scanning Scanning is a process of sampling of a continuously varying 2D signals.

Video Compression and MPEG B. Acharya Video Basics Image Video Basics - Scanning Scanning is a process of sampling of a continuously varying 2D signals.

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The H'264AVC Video Coding Standard PowerPoint PPT Presentation

The H'264AVC Video Coding Standard - But industry and research coders are still way ahead ... Most video coders consist of three stages: Motion compensation / prediction ...

But industry and research coders are still way ahead ... Most video coders consist of three stages: Motion compensation / prediction ...

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Video Compression and Coding PowerPoint PPT Presentation

Video Compression and Coding - The vector (i; j) that offers the least MAD is designated as the MV (u; v) for ... MPEG-1 adopts the CCIR601 digital TV format also known as SIF (Source Input Format) ...

The vector (i; j) that offers the least MAD is designated as the MV (u; v) for ... MPEG-1 adopts the CCIR601 digital TV format also known as SIF (Source Input Format) ...

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Robust Compression and Transmission of MPEG4 Video PowerPoint PPT Presentation

Robust Compression and Transmission of MPEG4 Video - ... to recover data after errors, and to visually conceal the effect of errors. ... estimate macroblock movement so that more accurate concealment can be performed. ...

... to recover data after errors, and to visually conceal the effect of errors. ... estimate macroblock movement so that more accurate concealment can be performed. ...

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CHAPTER 8 MPEG4 Visual PowerPoint PPT Presentation

CHAPTER 8 MPEG4 Visual - In the MPEG-4 notion of A/V objects, the object could be a video object within a ... search positions which contour lays apart from the contour of video objects ...

In the MPEG-4 notion of A/V objects, the object could be a video object within a ... search positions which contour lays apart from the contour of video objects ...

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Vasile Bogdan PowerPoint PPT Presentation

Vasile Bogdan - UNIVERSITY POLITEHNICA of BUCHAREST DEPARTMENT OF COMPUTER SCIENCE Transmisia datelor multimedia in retele de calculatoare Content Based Architecture For Video ...

UNIVERSITY POLITEHNICA of BUCHAREST DEPARTMENT OF COMPUTER SCIENCE Transmisia datelor multimedia in retele de calculatoare Content Based Architecture For Video ...

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Macroblocks PowerPoint PPT Presentations