Multi-ocular 3D shape measurement without feature extraction using backprojection method

Kenpo Tsuchiya, Shuji Hashimoto, Toshiaki Matsushima

    研究成果: Article査読

    抄録

    In this paper, we propose a new method to measure the 3D object shape without special purpose lighting based upon the Backprojection of Pixel Data. This method need not extract feature points such as edges from images at all and can measure not only the feature points but the whole object surface. It is simply done by project all pixel data back into the object space from each image. Actually, we first assign all pixel data of images into voxels in the object space, and evaluate the variance of assigned data for all voxels. This process is based on the idea that a point on the object surface gives the similar color information or gray level when it is observed from different view points. Then, two kinds of voting are executed as an enhancement process to eliminate time voxels containing the false points. We present experimental results under the circular constraint of camera movement and show the possibility of the proposed method.

    本文言語English
    ページ(範囲)1607-1614
    ページ数8
    ジャーナルIEICE Transactions on Information and Systems
    E78-D
    12
    出版ステータスPublished - 1995 12

    ASJC Scopus subject areas

    • コンピュータ グラフィックスおよびコンピュータ支援設計
    • 情報システム
    • ソフトウェア

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