no code implementations • 15 Sep 2023 • Risako Tanigawa, Yasunori Ishii
As action recognition from ultrasound active sensing in a non-invasive manner is not well investigated, we create a new dataset for action recognition and conduct a comparison of features for classification.
no code implementations • 13 Apr 2023 • Yucheng Zhang, Masaki Fukuda, Yasunori Ishii, Kyoko Ohshima, Takayoshi Yamashita
Unlike 2D image labels, annotating point cloud data is difficult due to the limitations of sparsity, irregularity, and low resolution, which requires more manual work, and the annotation efficiency is much lower than 2D image. Therefore, we propose an annotation algorithm for point cloud data, which is pre-annotation and camera-LiDAR late fusion algorithm to easily and accurately annotate.
no code implementations • 30 Mar 2023 • Nobuhiko Wakai, Satoshi Sato, Yasunori Ishii, Takayoshi Yamashita
In orthogonal world coordinates, a Manhattan world lying along cuboid buildings is widely useful for various computer vision tasks.
no code implementations • 16 Feb 2023 • Hiroki Adachi, Tsubasa Hirakawa, Takayoshi Yamashita, Hironobu Fujiyoshi, Yasunori Ishii, Kazuki Kozuka
Adversarial training is a popular and straightforward technique to defend against the threat of adversarial examples.
no code implementations • 12 Sep 2022 • Shungo Fujii, Yasunori Ishii, Kazuki Kozuka, Tsubasa Hirakawa, Takayoshi Yamashita, Hironobu Fujiyoshi
Data augmentation is an essential technique for improving recognition accuracy in object recognition using deep learning.
no code implementations • 31 Aug 2022 • Yuzuru Nakamura, Yasunori Ishii, Yuki Maruyama, Takayoshi Yamashita
In object detection, data amount and cost are a trade-off, and collecting a large amount of data in a specific domain is labor intensive.
no code implementations • 11 May 2022 • Risako Tanigawa, Yasunori Ishii, Kazuki Kozuka, Takayoshi Yamashita
They are highly and widely used in tasks such as segmentation.
no code implementations • 15 Apr 2022 • Risako Tanigawa, Yasunori Ishii, Kazuki Kozuka, Takayoshi Yamashita
In inference, it is possible to obtain instance segmentation results only from sound images.
no code implementations • 25 Nov 2021 • Nobuhiko Wakai, Satoshi Sato, Yasunori Ishii, Takayoshi Yamashita
To address this problem, we propose a generic camera model that has the potential to address various types of distortion.
no code implementations • 16 Jul 2021 • Yasunori Ishii, Takayoshi Yamashita
It is difficult to collect data on a large scale in a monocular depth estimation because the task requires the simultaneous acquisition of RGB images and depths.
Ranked #44 on Monocular Depth Estimation on NYU-Depth V2 (using extra training data)
1 code implementation • 19 Nov 2018 • Denis Gudovskiy, Alec Hodgkinson, Takuya Yamaguchi, Yasunori Ishii, Sotaro Tsukizawa
We qualitatively and quantitatively show that the proposed explanation method can be used to find image features which cause failures in DNN object detection.