DCT-Domain Embedded Memory Compression for Hybrid Video Coders
Journal of VLSI Signal Processing Systems - Special issue on recent advances in the design and implementation of signal processing systems
Image and Video Compression Standards: Algorithms and Architectures
Image and Video Compression Standards: Algorithms and Architectures
Synchroscalar: A Multiple Clock Domain, Power-Aware, Tile-Based Embedded Processor
Proceedings of the 31st annual international symposium on Computer architecture
Low-cost super-resolution algorithms implementation over a HW/SW video compression platform
EURASIP Journal on Applied Signal Processing
Synchroscalar: Evaluation of an embedded, multi-core architecture for media applications
Journal of Embedded Computing - Issues in embedded single-chip multicore architectures
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Video encoders are an important IP block in mobile multimedia systems. In this paper, we describe a low-cost low-power multi-standard (MPEG4, JPEG, and H.263) video/image encoder. The low-cost and low-power aspects are achieved by the right choice of algorithms and architectures. In the algorithm front, an embedded compression technique for reducing the size of loop memory has enabled a single-chip low-cost realization of the encoder. In the architectural front, an efficient hardware-software partitioning has contributed to the design of a low-power encoder. Further, the hardware components that accelerate the kernels of encoding are implemented as application specific instruction-set processors (ASIPs) thereby providing flexibility to address multi-standard encoding. The power and area estimates for the encoder for QCIF@15fps in 0.18um CMOS technology are 30mW and 20mm2 respectively including the loop memory.