Whole stomach 3D reconstruction and frame localization from monocular endoscope video

AR Widya, Y Monno, M Okutomi… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Gastric endoscopy is a common clinical practice that enables medical doctors to diagnose
various lesions inside a stomach. In order to identify the location of a gastric lesion such as …

3D reconstruction of whole stomach from endoscope video using structure-from-motion

AR Widya, Y Monno, K Imahori… - 2019 41st annual …, 2019 - ieeexplore.ieee.org
Gastric endoscopy is a common clinical practice that enables medical doctors to diagnose
the stomach inside a body. In order to identify a gastric lesion's location such as early gastric …

Fast Multichannel Inverse Design through Augmented Partial Factorization

S Li, HC Lin, CW Hsu - ACS photonics, 2024 - ACS Publications
Computer-automated design and discovery have led to high-performance nanophotonic
devices with diverse functionalities. However, massively multichannel systems such as …

Monocular endoscope 6-DoF tracking with constrained evolutionary stochastic filtering

X Luo, L Xie, HQ Zeng, X Wang, S Li - Medical Image Analysis, 2023 - Elsevier
Monocular endoscopic 6-DoF camera tracking plays a vital role in surgical navigation that
involves multimodal images to build augmented or virtual reality surgery. Such a 6-DoF …

Adaptive feature extraction method for capsule endoscopy images

D Wu, Y Wang, H Ma, L Ai, J Yang, S Zhang… - Visual Computing for …, 2023 - Springer
The traditional feature-extraction method of oriented FAST and rotated BRIEF (ORB) detects
image features based on a fixed threshold; however, ORB descriptors do not distinguish …

Passive Snapshot Coded Aperture Dual-Pixel RGB-D Imaging

B Ghanekar, SS Khan, P Sharma… - Proceedings of the …, 2024 - openaccess.thecvf.com
Passive compact single-shot 3D sensing is useful in many application areas such as
microscopy medical imaging surgical navigation and autonomous driving where form factor …

Intrinsic layer based automatic specular reflection detection in endoscopic images

M Asif, H Song, L Chen, J Yang, AF Frangi - Computers in Biology and …, 2021 - Elsevier
Endoscopic images are used to observe the internal structure of the human body. Specular
reflection (SR) images are mostly a consequence of the strong light and bright regions …

Fully auto-calibrated active-stereo-based 3d endoscopic system using correspondence estimation with graph convolutional network

R Furukawa, S Oka, T Kotachi… - 2020 42nd Annual …, 2020 - ieeexplore.ieee.org
We have developed a series of 3D endoscopic systems where a micro-sized pattern
projector is inserted through the instrument channel of the endoscope and shapes are …

Simultaneous shape and camera‐projector parameter estimation for 3D endoscopic system using CNN‐based grid‐oneshot scan

R Furukawa, G Nagamatsu, S Oka… - Healthcare …, 2019 - Wiley Online Library
For effective in situ endoscopic diagnosis and treatment, measurement of polyp sizes is
important. For this purpose, 3D endoscopic systems have been researched. Among such …

Single-shot dense active stereo with pixel-wise phase estimation based on grid-structure using cnn and correspondence estimation using gcn

R Furukawa, M Mikamo, R Sagawa… - Proceedings of the …, 2022 - openaccess.thecvf.com
Active stereo systems based on static pattern projection, aka oneshot scan, have been
widely used for measuring dynamic scenes. Many patterns used for oneshot active stereo …