Energy/Latency/Image Quality Tradeoffs in Enabling Mobile Multimedia Communication

Table of Contents

Energy/Latency/Image Quality Tradeoffs in Enabling Mobile Multimedia Communication

Increasing Demand for Multimedia Data Wireless Communication

Challenges to Multimedia Wireless Applications

Dynamic Conditions in Mobile Wireless Communications

Flexible Multimedia Communication

Enabling Tradeoffs by Adaptive Source Coding

Proposed Adaptive Multimedia Radio

JPEG Image Compression

Effects of Varying Quantization Level

Virtual Block Size

Effects of Changing Virtual Block Size

Methodology to Determine Optimal Compression Configuration

Step 1: Pre-compute Image Quality and Compression Ratio

Step 2: VBS-First Algorithm

Disadvantage of VBS-First Algorithm

Alternative: Simultaneous Algorithm

Experimental Results

Flexible Image Compression in the Mobile Multimedia Radio

Architecture for Adaptive Image/Video Coder

Adaptive Image/Video Compression System-on-Chip Architecture

Mapping JPEG to Proposed SoC Architecture

Flexible DCT Hardware Accelerator

Adaptive Image Compression SoC: Design Status

Conclusions and Future Research

Email: cntaylor@ece.ucsd.edu

Home Page: http://esdat.ucsd.edu