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Reduced energy decoding of MPEG streams

Malena Mesarina, Yoshio Turner
2003 Multimedia Systems  
In a typical handheld computer, the CPU consumes as much as 30% of the system energy to decode and display multimedia streams [23] .  ...  In this paper, an efficient offline scheduling algorithm is proposed for preprocessing stored MPEG audio and video streams.  ...  An MPEG movie consists of a video stream and an audio stream.  ... 
doi:10.1007/s00530-003-0090-7 fatcat:frvc46p2jnay5d7izukzgfsqxm

Reduced-energy decoding of MPEG streams

Melena Mesarina, Yoshio Turner, Martin G. Kienzle, Prashant J. Shenoy
2001 Multimedia Computing and Networking 2002  
In a typical handheld computer, the CPU consumes as much as 30% of the system energy to decode and display multimedia streams [23] .  ...  In this paper, an efficient offline scheduling algorithm is proposed for preprocessing stored MPEG audio and video streams.  ...  An MPEG movie consists of a video stream and an audio stream.  ... 
doi:10.1117/12.449990 fatcat:qratpju7erfljgjdywxls3v3gm

Memory Analysis of Low Power MPEG-4 Decoder Architecture

Andreas Dahlin, Johan Ersfolk, Haitham Habli, Johan Lilius
2009 2009 International Conference on Embedded Software and Systems  
Recent research has shown that in mobile devices, energy efficiency of the total system does not scale at the same pace with the energy efficiency of the silicon.  ...  The validation of the approach has been done by restructuring the open-source Xvid codec software implementation.  ...  The main contributions of the paper are: • A detailed analysis of memory requirements of MPEG-4 decoding and • an improvement of the codec implementation of [5] that substantially reduces its memory  ... 
doi:10.1109/icess.2009.85 dblp:conf/icess/DahlinEHL09 fatcat:tgjuequvdbgzbafxmkguy5h7ke

Energy-aware MPEG-4 FGS streaming

Kihwan Choi, Kwanho Kim, Massoud Pedram
2003 Proceedings of the 40th conference on Design automation - DAC '03  
In this paper, we propose an energy-aware MPEG-4 FGS video streaming system with client feedback.  ...  As a measure of energy efficiency of the video streamer, the notion of a normalized decoding load is introduced.  ...  Chang of Seoul National University for his assistance.  ... 
doi:10.1145/776058.776061 fatcat:httauadrrzcnjluipn5f6lw5na

Applications of MPEG-4: digital multimedia broadcasting

M. Grube, P. Siepen, C. Mittendorf, M. Boltz, M. Srinivasan
2001 IEEE transactions on consumer electronics  
The combination of MPEG-4 encoding and decoding with the DAB-standard (Digital Audio Broadcasting) enables for the first time a distortion free TVreception in fast moving vehicles.  ...  To cope with the demanding real-time r equirements of MPEG-4, the corresponding hardware architecture also has been completely re-designed.  ...  The video stream is transferred to the slave-CPU, which decodes the video data according to the ACEprofile. The postprocessing of the decoded video stream is done on the slave-CPU.  ... 
doi:10.1109/30.964136 fatcat:vcjmy357ajfflb33nrxapl4ane

Energy-aware MPEG-4 FGS streaming

Kihwan Choi, Kwanho Kim, Massoud Pedram
2003 Proceedings of the 40th conference on Design automation - DAC '03  
In this paper, we propose an energy-aware MPEG-4 FGS video streaming system with client feedback.  ...  As a measure of energy efficiency of the video streamer, the notion of a normalized decoding load is introduced.  ...  Chang of Seoul National University for his assistance.  ... 
doi:10.1145/775832.776061 dblp:conf/dac/ChoiKP03 fatcat:5fmdp7nwtzaodcuxb4a2rwjvbe

Proxy-Assisted Power-Friendly Streaming to Mobile Devices

Prashant J. Shenoy, Peter Radkov, Ragunathan Rajkumar
2003 Multimedia Computing and Networking 2003  
Additionally, our proxy employs intelligent network transmission techniques to reduce the energy needs for network reception of streaming data.  ...  Since multimedia applications are known to be resource-hungry and mobile devices are resource-poor, in this paper, we propose techniques to reduce the energy consumption of streaming media applications  ...  By reducing energy needs at the CPU and the network interface card, the overall energy needs of the mobile multimedia application are significantly reduced.  ... 
doi:10.1117/12.483909 fatcat:cnch76bhcfbitfz42n546ik7wi

Energy-Aware MPEG-4 FGS Streaming

Kihwan Choi, Kwanho Kim, Massoud Pedram
2005 Journal of Low Power Electronics  
In this paper, we propose an energy-aware MPEG-4 FGS video streaming system with client feedback.  ...  As a measure of energy efficiency of the video streamer, the notion of a normalized decoding load is introduced.  ...  Chang of Seoul National University for his assistance.  ... 
doi:10.1166/jolpe2005.002 fatcat:34slf635uncrbnn76msru24sie

A low power variable length decoder for MPEG-2 based on nonuniform fine-grain table partitioning

Seong Hwan Cho, T. Xanthopoulos, A.P. Chandrakasan
1999 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
In this paper, a data-driven variable length decoding architecture is presented, which exploits the signal statistics of variable length codes to reduce power.  ...  Index Terms-Huffman, low power, MPEG-2, table partitioning, variable length decoder.  ...  Next, the VLC detector was optimized to further reduce the energy consumption. A chip was implemented which decodes all 15 different MPEG-2 VLC tables.  ... 
doi:10.1109/92.766752 fatcat:d4hzx2uuoffwvomzk4jn6dbdcq

Interface Overheads in Embedded Multimedia Software [chapter]

Tero Rintaluoma, Olli Silven, Juuso Raekallio
2006 Lecture Notes in Computer Science  
The multimedia capabilities in battery powered mobile communication devices should be provided at high energy efficiency.  ...  The popular architectural principle, software layering, is responsible for much of the overheads, and explains the stagnation of active usage times of mobile devices.  ...  The decoding of a QVGA stream requires around 110MHz, while 0-waitstate simulations predict half of that.  ... 
doi:10.1007/11796435_3 fatcat:y6shc5fjhvehtfsfb4iefsdsru

Workload prediction and dynamic voltage scaling for MPEG decoding

Ying Tan, Parth Malani, Qinru Qiu, Qing Wu
2006 Proceedings of the 2006 conference on Asia South Pacific design automation - ASP-DAC '06  
In this paper we present three efficient DVS techniques for a MPEG decoder. Their energy reduction is comparable to that of the optimal solution.  ...  A workload prediction model is also developed based on the block level statistics of each MPEG frame.  ...  It is important to develop techniques to reduce the energy dissipation of such applications so that the life time of the battery can be extended [1] - [5] .  ... 
doi:10.1145/1118299.1118505 fatcat:rprzx563wnaerc3kutiitvr7mq

Implementation of multi-standard video decoder on a heterogeneous coarse-grained reconfigurable processor

LeiBo Liu, YingJie Chen, Dong Wang, ShouYi Yin, Xing Wang, Long Wang, Hao Lei, Peng Cao, ShaoJun Wei
2013 Science China Information Sciences  
Thanks to the proposed schemes, the implementations can achieve H.264 high profile (HP) 1920×1080@30 fps streams, AVS Jizhun profile (JP) 1920×1080@39 fps streams, and MPEG-2 main profile (MP) 1920×1080  ...  The proposed schemes greatly improve decoding performance and satisfy the real-time requirements of various high-definition (HD) video decoding standards.  ...  As the average decoding time per picture for these four streams is less than 33 ms, these four streams can be decoded and displayed in real-time.6.2 Measured performance of critical sub-algorithms implemented  ... 
doi:10.1007/s11432-013-4968-5 fatcat:lmn2hdgebzd4xem6p7vdjcgyfm

Implementation of multi-standard video decoding algorithms on a coarse-grained reconfigurable multimedia processor

Leibo Liu, Yingjie Chen, Shouyi Yin, Dong Wang, Xing Wang, Shaojun Wei, Hao Lei, Li Zhou, Peng Cao
2013 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013)  
Simulation results show that the video decoder can support H.264 HP (High Profile) 1920x1080@30fps (frame per second) streams, AVS JP (Jizhun Profile) 1920x1080@39fps streams, and MPEG-2 MP (Main Profile  ...  ) 1920x1080@41fps streams when exploiting a 200MHz working frequency.  ...  [7] could decode H.264 streams with high performance, i.e. 1920x1080@24fps streams at 450MHz working frequency.  ... 
doi:10.1109/iscas.2013.6571992 dblp:conf/iscas/LiuCYWWWZLC13 fatcat:va5cywgohnhlpbj7wo2flzs4uq

Qos for wireless interactive multimedia streaming

Kostas E. Psannis, Yutaka Ishibashi, Marios G. Hadjinicolaou
2007 Proceedings of the 3rd ACM workshop on QoS and security for wireless and mobile networks - Q2SWinet '07  
The proposed method is based on storing multiple differently encoded versions of interactive video streams at the server.  ...  The corresponding video streams are obtained by encoding the original uncompressed video file as a sequence of I-P(M) frames using different GOP pattern.  ...  In [7] , [8] interactive functions are supported by dropping parts of the original MPEG-2 video stream.  ... 
doi:10.1145/1298239.1298271 dblp:conf/mswim/PsannisIH07 fatcat:qm76ejp3vnhjnhuyhhxawoul6y

Low complexity video coding on Block based Singular Value Decomposition (SVD) Algorithm

M. AntoBennet, I. Jacob Reglend, C. Nagarajan, P. Prakash
2013 International Journal of Computer Applications  
The advantage of using the block SVD is the property of energy compaction and its ability to adapt to the local statistical variations of an image.  ...  Compression is done to reduce the volume of data to be transmitted, to reduce the bandwidth required for transmission and to reduce the storage requirements.  ...  MPEG-2 is a compatible extension of MPEG-1, meaning that an MPEG-2 decoder can also decode MPEG-1 streams.  ... 
doi:10.5120/13395-1037 fatcat:jzmf7o26lnh55bmg5y6gre3gcu
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