no code implementations • ECCV 2020 • Kohei Sakai, Keita Takahashi, Toshiaki Fujii, Hajime Nagahara
A promising solution for compressive light field acquisition is to use a coded aperture camera, with which an entire light field can be computationally reconstructed from several images captured through differently-coded aperture patterns.
no code implementations • 12 Mar 2024 • Shuji Habuchi, Keita Takahashi, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara
Different from the conventional coded-aperture imaging method, our method applies a sequence of coding patterns during a single exposure for an image frame.
no code implementations • 16 Nov 2023 • Yuya Ishikawa, Keita Takahashi, Chihiro Tsutake, Toshiaki Fujii
NeRF-based neural rendering enables high quality view synthesis of a 3-D scene from continuous viewpoints, but when only a single image is given as the input, it struggles to achieve satisfactory quality.
1 code implementation • 21 Sep 2022 • Kei Suzuki, Chihiro Tsutake, Keita Takahashi, Toshiaki Fujii
Compressing the sign information of discrete cosine transform (DCT) coefficients is an intractable problem in image coding schemes due to the equiprobable characteristics of the signs.
no code implementations • CVPR 2022 • Ryoya Mizuno, Keita Takahashi, Michitaka Yoshida, Chihiro Tsutake, Toshiaki Fujii, Hajime Nagahara
To our knowledge, our method is the first to achieve a finer temporal resolution than the camera itself in compressive light-field acquisition.
no code implementations • 6 Oct 2020 • Koichiro Yamanaka, Ryutaroh Matsumoto, Keita Takahashi, Toshiaki Fujii
Thanks to the excellent learning capability of deep convolutional neural networks (CNN), monocular depth estimation using CNNs has achieved great success in recent years.
no code implementations • ECCV 2018 • Yasutaka Inagaki, Yuto Kobayashi, Keita Takahashi, Toshiaki Fujii, Hajime Nagahara
To make the acquisition process efficient, coded aperture cameras were successfully adopted; using these cameras, a light field is computationally reconstructed from several images that are acquired with different aperture patterns.