HOME | Japanese HOME | 効率的なマルチスペクトル画像入力技術: 複合解像度型分光イメージング

効率的なマルチスペクトル画像入力技術: 複合解像度型分光イメージング

 物体の色や質感・光沢感などを正確に取得するためには、高解像度・高色域・高階調の映像入力装置(カメラ)が必要です。本研究では、空間解像度が高く波長方向には3チャネルの画像と、波長方向に解像度が高く空間解像度が低い2台のカメラから得られる画像情報から、画像再構成技術を用いて空間方向・波長方向ともに解像度の高い画像を取得する手法を提案しています。 

 

画像融合技術を用いた実時間分光画像センシング(イノベーションJapan 2013)

 

文献

Yuri Murakami, Kunihiko Ietomi, Masahiro Yamaguchi, Nagaaki Ohyama. Maximum a posteriori estimation of spectral reflectance from color image and multipoint spectral measurements, Appl. Opt., Vol. 46, No. 28, pp. 7068-7082, Oct. 2007.
Murakami Y, Yamaguchi M, Ohyama N. Piecewise Wiener estimation for reconstruction of spectral reflectance image by multipoint spectral measurements, APPLIED OPTICS, Vol. 48, No. 11, pp. 2188-2202, Apr. 2009.
Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. Class-based spectral reconstruction based on unmixing of low-resolution spectral information, Journal of the Optical Society of America, Vol. 28, No. 7, pp. 1470-1481, Jul. 2011.
Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. Hybrid-resolution multispectral imaging using color filter array, Optics Express, Vol. 20, No. 7, pp. 7173-7183, Mar. 2012.
Yuri Murakami, Masahiro Yamaguchi, Nagaaki Ohyama. "Hybrid-resolution multispectral imaging based on color filter array: Basic principles and computer simulation," CGIV 2012: Sixth European Conference on Colour in Graphics, Imaging, and Vision, 259-265, 2012.
Yuri Murakami, Keiichiro Nakazaki, Masahiro Yamaguchi. Hybrid-resolution spectral video system using low-resolution spectral sensor, Optics Express, Vol. 22, No. 17, 20311-20325, 2014.
Masahiro Yamaguchi. "Optics and Computational Methods for Hybrid Resolution Spectral Imaging," Proc. 5th International Workshop CCIW 2015, Lecture Notes in Computer Science, Vol. 9016, pp. 23-32, 2015.