CSP1HT based scalable video codec for layered video streaming

CSP1HT based scalable video codec for layered video streaming

CSP1HT based scalable video codec for layered video streaming

... Layered scalable streaming is one of the QoS supportive video streaming mechanisms that provide both efficiency and flexibility The basic idea of layered scalable streaming is to encode raw video ... clients to receive a video that is specially “shaped” for each of them Besides adaptive QoS support from the network, layered scalable video streaming requests a sc...
Ngày tải lên : 04/10/2015, 10:24
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Báo cáo hóa học: " Research Article Joint Source-Channel Coding for Wavelet-Based Scalable Video Transmission Using an Adaptive Turbo Code" doc

Báo cáo hóa học: " Research Article Joint Source-Channel Coding for Wavelet-Based Scalable Video Transmission Using an Adaptive Turbo Code" doc

... chain for video transmission 2.1 Scalable video coding The scalable video codec considered in this paper is based on the wavelet transform performed in temporal and spatial domains [18] In this wavelet-based ... Shannon theory,” IEEE Transactions u on Information Theory, vol 44, no 6, pp 2057–2078, 1998 [2] Q Zhang, W Zhu, and Y.-Q Zhang, “Channel -adaptive resource allocat...
Ngày tải lên : 22/06/2014, 19:20
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Báo cáo hóa học: " Research Article Energy-Efficient Bandwidth Allocation for Multiuser Scalable Video Streaming over WLAN" potx

Báo cáo hóa học: " Research Article Energy-Efficient Bandwidth Allocation for Multiuser Scalable Video Streaming over WLAN" potx

... downloading video streams from the access point (AP) of a WLAN (see Figure 1) The video data are encoded using a scalable video coding scheme and stored on a video server accessed through the AP Therefore, ... recent video codecs, such as the Scalable Video Coding (SVC) extensions of H.264/AVC [3], MPEG-4 FGS [4], and so forth, enable embedded scalable coding 3.3.1 Architect...
Ngày tải lên : 22/06/2014, 19:20
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Báo cáo toán học: " Memory bandwidth-scalable motion estimation for mobile video coding" pot

Báo cáo toán học: " Memory bandwidth-scalable motion estimation for mobile video coding" pot

... optimized motion estimation for H.264 video coding IEEE Trans Circ Syst Video Technol 18(2), 159–171 (2008) CY Chang, JJ Leou, SS Kuo, HY Chen, A new computation-aware scheme for motion estimation ... Architectures for MPGE-4 Motion Estimation (Kluwer Academic, Norwell, MA, 1999) 14 YK Lin, CC Lin, TY Kuo, TS Chang, A hardware-efficient H.264/AVC motionestimation design...
Ngày tải lên : 20/06/2014, 21:20
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báo cáo hóa học: " Application driven, AMC-based cross-layer optimization for video service over LTE" doc

báo cáo hóa học: " Application driven, AMC-based cross-layer optimization for video service over LTE" doc

... doi:10.1186/1687-1499-2011-31 Cite this article as: Kwon et al.: Application driven, AMC-based crosslayer optimization for video service over LTE EURASIP Journal on Wireless Communications and Networking ... highest PSNR can be selected for a given SNR Application- driven AMC We propose a cross-layer optimization method where AMC is driven by the application layer, i....
Ngày tải lên : 21/06/2014, 02:20
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báo cáo hóa học:" Research Article Parity Bit Replenishment for JPEG 2000-Based Video Streaming" doc

báo cáo hóa học:" Research Article Parity Bit Replenishment for JPEG 2000-Based Video Streaming" doc

... Parity Parity Parity 2 Parity JPEG 2000 Previous Parity JPEG 2000 Previous Parity JPEG 2000 Parity Parity 4 Previous Previous Previous Previous Parity Previous Previous JPEG 2000 Previous JPEG ... on multiple bitstreams, one for each targeted rate Three replenishment mechanisms are considered: JPEG 2000 Replenishment (JR), Parity Replenishment (PR), and JP...
Ngày tải lên : 21/06/2014, 20:20
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Báo cáo hóa học: " Research Article Ordinal Regression Based Subpixel Shift Estimation for Video Super-Resolution" potx

Báo cáo hóa học: " Research Article Ordinal Regression Based Subpixel Shift Estimation for Video Super-Resolution" potx

... accurate estimation up to subpixel accuracy using the ranking /ordinal regression framework Our proposed approach is based on using learning -based methods for subpixel motion estimation The basic idea ... approach by accounting for subpixel shifts estimated using the ranking framework In Section 6, we present experimental results of our subpixel shift estimation app...
Ngày tải lên : 22/06/2014, 19:20
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Báo cáo hóa học: " Research Article Content-Aware Scalability-Type Selection for Rate Adaptation of Scalable Video" doc

Báo cáo hóa học: " Research Article Content-Aware Scalability-Type Selection for Rate Adaptation of Scalable Video" doc

... Test-I for training and TestII for validation of the proposed scalability-type selection method The goal of Test-I is the determination of the coefficients of the overall cost function for individual ... existing methods for adaptation of the video coding rate are based on adaptation of the SNR (quantization parameter) only, because (i) it is not straightforward t...
Ngày tải lên : 22/06/2014, 19:20
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Báo cáo hóa học: " Research Article A Motion-Compensated Overcomplete Temporal Decomposition for Multiple Description Scalable Video Coding" pot

Báo cáo hóa học: " Research Article A Motion-Compensated Overcomplete Temporal Decomposition for Multiple Description Scalable Video Coding" pot

... focus on a two -description coding scheme for scalable video, where temporal and spatial scalabilities follow from a classical dyadic subband transform The correlation between the two descriptions ... motion-compensated average in the computation of aI II and an leads to a significant improvement in coding performances (increasing with the bitrate from to 2.5 dB), and the MC-Ha...
Ngày tải lên : 22/06/2014, 22:20
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Báo cáo hóa học: "Motion Estimation and Signaling Techniques for 2D+t Scalable Video Coding" doc

Báo cáo hóa học: "Motion Estimation and Signaling Techniques for 2D+t Scalable Video Coding" doc

... (MC-EZBC) 2D+t- nonscalable MV 2D+t- scalable MV (e) 4608 5632 24 512 1536 2560 3584 Rate (kbps) t+2D (MC-EZBC) 2D+t- nonscalable MV 2D+t- scalable MV (f) Figure 12: Nonscalable versus scalable motion ... (MC-EZBC) 2D+t- nonscalable MV 2D+t- scalable MV t+2D (MC-EZBC) 2D+t- nonscalable MV 2D+t- scalable MV (a) (b) 32 30 28 26 24 22 Football CIF@30 fps 36 34 Average Y PSNR Av...
Ngày tải lên : 22/06/2014, 23:20
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Báo cáo hóa học: " A Framework for Adaptive Scalable Video Coding Using Wyner-Ziv Techniques" potx

Báo cáo hóa học: " A Framework for Adaptive Scalable Video Coding Using Wyner-Ziv Techniques" potx

... scalability, Tagliasacchi et al [15] have proposed a spatial and temporal scalable codec using distributed source coding They use the standards-conformant H.264/AVC to encode the base layer, and ... issue on advances in video coding and delivery [9] A Sehgal, A Jagmohan, and N Ahuja, A state-free causal video encoding paradigm,” in Proceedings of IEEE International Conferen...
Ngày tải lên : 22/06/2014, 23:20
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Báo cáo hóa học: "Robust System and Cross-Layer Design for H.264/AVC-Based Wireless Video Applications" pptx

Báo cáo hóa học: "Robust System and Cross-Layer Design for H.264/AVC-Based Wireless Video Applications" pptx

... Proposed video and transport features for different applications with performance in terms of delay and average PSNR for different RLC-PDU loss rates and QCIF video sequence Foreman coded at 7.5 fps Video ... account multiple users in a wireless system are not further discussed For some specific video- related issues and system design of schedulers and network buffe...
Ngày tải lên : 22/06/2014, 23:20
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Báo cáo hóa học: " Optimized H.264/AVC-Based Bit Stream Switching for Mobile Video Streaming" docx

Báo cáo hóa học: " Optimized H.264/AVC-Based Bit Stream Switching for Mobile Video Streaming" docx

... Processing Video presentation Video sequence Video encoder Streaming server scheduling Bit rate adaptivity by (i) stream switching (ii) temporal scalability Data Wireless network Video decoder Streaming ... compression efficiency (for an analysis of bit stream switching for streaming, see [12]) The switching predictive (SP) picture concept in H.264/ AVC [13], however, i...
Ngày tải lên : 22/06/2014, 23:20
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A Push-pull based Application Multicast Layer for P2P live video streaming

A Push-pull based Application Multicast Layer for P2P live video streaming

... method ALM for P2P live video streaming Many application- layer multicast protocols for P2P live video streaming have been proposed recently Based on topology, current applicationlayer multicast ... video streaming application and a comparison between IP Multicast and application layer multicast (ALM) Secondly, we discuss about current ALM solution...
Ngày tải lên : 25/03/2015, 09:37
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combining multimodal external resources for event based news video retrieval and question answering

combining multimodal external resources for event based news video retrieval and question answering

... an event; and (d) provides advanced query analysis and retrieval to support key event discovery for topic retrieval and video question answering External News Articles News Video Event Topic Retrieval ... 11 Text -based Retrieval and Question Answering 12 2 Multimedia Retrieval and Query Classification 14 Multimodal Fusion and External Reso...
Ngày tải lên : 15/09/2015, 22:11
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