Depth Estimation Method using an Infrared dot Image Projector and a Stereo Pair of Infrared Color Cameras

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Other Title
  • 赤外線ドットパターンと赤外線カラーステレオカメラを用いた奥行き推定手法(スポーツ映像解析,および一般)
  • 赤外線ドットパターンと赤外線カラーステレオカメラを用いた奥行き推定手法
  • セキガイセン ドットパターン ト セキガイセン カラーステレオカメラ オ モチイタ オクユキ スイテイ シュホウ

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Abstract

This paper proposes a depth estimation method using a camera array that consists of an infrared projector and a pair of infrared color cameras. The projector projects an infrared dot pattern, and the infrared color cameras simultaneously capture infrared images with the pattern and color images without the pattern. A depth map is estimated after a cost volume filtering by using Cross-based Local Multipoint Filter (CLMF) is processed to the cost volume calculated from a pair of the infrared images. The color images are used as guide images in the cost volume filtering. The graphcut is also introduced for each scan-line in deciding disparities, so that the accuracy of depth estimation from wide-baseline stereo images improves. We estimated the depth map from images captured in the actual world and the efficiency of the proposed method is demonstrated.

Journal

  • ITE Technical Report

    ITE Technical Report 38.51 (0), 17-20, 2014

    The Institute of Image Information and Television Engineers

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