Correlation model for wireless multimedia sensor networks
Proposed a novel correlation model that can estimate the correlation among video sensors through low computation and communication costs in WMSNs.
Developed an entropy-based framework to evaluate the joint effect of multiple correlated video sensors.
Collaborative data compression using source coding
Proposed an application-independent method to predict the compression efficiency of joint coding among multiple correlated video sensors.
Designed a distributed multi-cluster coding protocol to partition the entire network into a set of clusters such that the global coding gain is maximized.
Correlation-aware QoE routing
Proposed a correlation-aware QoE routing scheme for the efficient delivery of visual information in WMSNs.
Integrated correlation-aware operations into an optimization routing framework to minimize energy consumption while providing QoE support in WMSNs.
Correlation-aware maximum lifetime scheduling
Introduced a correlation-aware differential coding scheme in the network scheduling process.
Developed an algorithm that finds the optimal transmission schedule for video sensors such that the network lifetime is maximized.
Video Compression Algorithm Design and Implementation
Designed an efficient predictive coding algorithm for intra coding of video sequences and a low-complexity entropy coding algorithm.
Designed and implemented a video decoding system that optimizes the storage and computation
Wireless multimedia sensor networks performance evaluation system
Designed and developed a distributed network emulator/simulator to evaluate the performance of the above proposed algorithms.
Implemented the functionalities of different layers of the protocol stack for WMSNs.
Load balancing and Fairness
Tracked project resources and easily managed them with automatic usage of resources
Illustrated instant views into the weekly and monthly allocation of all of the available resources
Perceptual Video Quality Estimator over a noisy wireless network
Incorporate the human perception to enhance the perceptual quality of the represented visual signals
Overcome the difficulties to integrate computational models with coding components
Video Shot Detection
Organized and segmented video sequences into coherent units for video indexing
Implemented robust algorithms using cinematic techniques for video scenes
MPEG-2 Encoder and Decoder
Processed high fidelity encoders and Integrated Receiver Decoder for news and premium events
Deployed MPEG-2 video to an embedded ARM Processor based video board