Distributed processing method for arbitrary view generation in camera sensor network

Mehrdad Panahpour Tehrani; Toshiaki Fujii; Masayuki Tanimoto

doi:10.1117/12.476517

7 May 2003 Distributed processing method for arbitrary view generation in camera sensor network

Mehrdad Panahpour Tehrani, Toshiaki Fujii, Masayuki Tanimoto

Proceedings Volume 5022, Image and Video Communications and Processing 2003; (2003) https://doi.org/10.1117/12.476517
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

Camera sensor network as a new advent of technology is a network that each sensor node can capture video signals, process and communicate them with other nodes. The processing task in this network is to generate arbitrary view, which can be requested from central node or user. To avoid unnecessary communication between nodes in camera sensor network and speed up the processing time, we have distributed the processing tasks between nodes. In this method, each sensor node processes part of interpolation algorithm to generate the interpolated image with local communication between nodes. The processing task in camera sensor network is ray-space interpolation, which is an object independent method and based on MSE minimization by using adaptive filtering. Two methods were proposed for distributing processing tasks, which are Fully Image Shared Decentralized Processing (FIS-DP), and Partially Image Shared Decentralized Processing (PIS-DP), to share image data locally. Comparison of the proposed methods with Centralized Processing (CP) method shows that PIS-DP has the highest processing speed after FIS-DP, and CP has the lowest processing speed. Communication rate of CP and PIS-DP is almost same and better than FIS-DP. So, PIS-DP is recommended because of its better performance than CP and FIS-DP.

Citation Download Citation

Mehrdad Panahpour Tehrani, Toshiaki Fujii, and Masayuki Tanimoto "Distributed processing method for arbitrary view generation in camera sensor network", Proc. SPIE 5022, Image and Video Communications and Processing 2003, (7 May 2003); https://doi.org/10.1117/12.476517

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KEYWORDS

Cameras

Image processing

Sensors

Sensor networks

Image sensors

Data communications

Digital filtering

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