マイクロ体内ロボット搭載に適した極低演算ビデオ圧縮アルゴリズムの提案

概要

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We propose an image-compression algorithm for micro-capsule robots to support medical diagnosis, treatment, and operations inside the body. For medical purposes, a capsule robot is required to provide doctors with high-quality images without losing important informations for medical decisions. Unfortunately, the power supply to a capsule robot inside the body and the band-width required for communications are extremely limited. Thus, we face trade-offs between power, compression-rate, and quality. To overcome these trade-offs, we analyzed the features of organ images and investigated what kind of information doctors need. The proposed algorithm achived a high-compression-rate with low computational costs without loss of information for doctors that utilized the color features and image frequencies and that were equipped with the region-of-interest mechanism. In comparison with JPEG and JPEG2000, the algorithm realizes a large reduction of computational costs and equivalent in quality concurrently.
社団法人映像情報メディア学会の論文
2006-07-01