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Estimating the camera's pose given images from a single camera is a traditional task in mobile robots and autonomous vehicles. This problem is called monocular visual odometry and often relies on geometric approaches that require…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 André O. Françani , Marcos R. O. A. Maximo

In the future, extraterrestrial expeditions will not only be conducted by rovers but also by flying robots. The technical demonstration drone Ingenuity, that just landed on Mars, will mark the beginning of a new era of exploration…

In the last decade, numerous supervised deep learning approaches requiring large amounts of labeled data have been proposed for visual-inertial odometry (VIO) and depth map estimation. To overcome the data limitation, self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Yasin Almalioglu , Mehmet Turan , Alp Eren Sari , Muhamad Risqi U. Saputra , Pedro P. B. de Gusmão , Andrew Markham , Niki Trigoni

We present an unsupervised learning framework for the task of monocular depth and camera motion estimation from unstructured video sequences. We achieve this by simultaneously training depth and camera pose estimation networks using the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Tinghui Zhou , Matthew Brown , Noah Snavely , David G. Lowe

Wireless capsule endoscopy (WCE) is a painless and non-invasive diagnostic tool for gastrointestinal (GI) diseases. However, due to GI anatomical constraints and hardware manufacturing limitations, WCE vision signals may suffer from…

Image and Video Processing · Electrical Eng. & Systems 2023-07-25 Long Bai , Tong Chen , Yanan Wu , An Wang , Mobarakol Islam , Hongliang Ren

Unsupervised methods have showed promising results on monocular depth estimation. However, the training data must be captured in scenes without moving objects. To push the envelope of accuracy, recent methods tend to increase their model…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Tak-Wai Hui

Recent advancements toward perception and decision-making of flexible endoscopes have shown great potential in computer-aided surgical interventions. However, owing to modeling uncertainty and inter-patient anatomical variation in flexible…

Robotics · Computer Science 2023-02-28 Yiang Lu , Ruofeng Wei , Bin Li , Wei Chen , Jianshu Zhou , Qi Dou , Dong Sun , Yun-hui Liu

Flexible endoscopes for colonoscopy present several limitations due to their inherent complexity, resulting in patient discomfort and lack of intuitiveness for clinicians. Robotic devices together with autonomous control represent a viable…

Wireless capsule endoscopy (WCE) enables non-invasive visual assessment of the small bowel, but its clinical utility is constrained by the large volume of frames generated per examination and the difficulty of recognising subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Haroon Wahab , Irfan Mehmood , Hassan Ugail

Monocular visual odometry (VO) is an important task in robotics and computer vision. Thus far, how to build accurate and robust monocular VO systems that can work well in diverse scenarios remains largely unsolved. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Libo Sun , Wei Yin , Enze Xie , Zhengrong Li , Changming Sun , Chunhua Shen

Self-supervised learning of depth map prediction and motion estimation from monocular video sequences is of vital importance -- since it realizes a broad range of tasks in robotics and autonomous vehicles. A large number of research efforts…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Ue-Hwan Kim , Jong-Hwan Kim

Depth and ego-motion estimations are essential for the localization and navigation of autonomous robots and autonomous driving. Recent studies make it possible to learn the per-pixel depth and ego-motion from the unlabeled monocular video.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Guangming Wang , Jiquan Zhong , Shijie Zhao , Wenhua Wu , Zhe Liu , Hesheng Wang

As a flexible passive 3D sensing means, unsupervised learning of depth from monocular videos is becoming an important research topic. It utilizes the photometric errors between the target view and the synthesized views from its adjacent…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang

This paper presents a shape-aware whole-body control framework for tendon-driven continuum robots with direct application to endoluminal surgical navigation. Endoluminal procedures, such as bronchoscopy, demand precise and safe navigation…

Robotics · Computer Science 2025-10-15 Mohammadreza Kasaei , Mostafa Ghobadi , Mohsen Khadem

Deep learning can predict depth maps and capsule ego-motion from capsule endoscopy videos, aiding in 3D scene reconstruction and lesion localization. However, the collisions of the capsule endoscopies within the gastrointestinal tract cause…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Long Bai , Beilei Cui , Liangyu Wang , Yanheng Li , Shilong Yao , Sishen Yuan , Yanan Wu , Yang Zhang , Max Q. -H. Meng , Zhen Li , Weiping Ding , Hongliang Ren

Vision-Language-Action (VLA) models have emerged as a prominent research area, showcasing significant potential across a variety of applications. However, their performance in endoscopy robotics, particularly endoscopy capsule robots that…

Robotics · Computer Science 2025-06-23 Xiting He , Mingwu Su , Xinqi Jiang , Long Bai , Jiewen Lai , Hongliang Ren

We present a novel method for simultaneous learning of depth, egomotion, object motion, and camera intrinsics from monocular videos, using only consistency across neighboring video frames as supervision signal. Similarly to prior work, our…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Ariel Gordon , Hanhan Li , Rico Jonschkowski , Anelia Angelova

This paper presents an self-supervised deep learning network for monocular visual inertial odometry (named DeepVIO). DeepVIO provides absolute trajectory estimation by directly merging 2D optical flow feature (OFF) and Inertial Measurement…

Robotics · Computer Science 2019-07-01 Liming Han , Yimin Lin , Guoguang Du , Shiguo Lian

Monocular depth estimation has been actively studied in fields such as robot vision, autonomous driving, and 3D scene understanding. Given a sequence of color images, unsupervised learning methods based on the framework of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Songlin Wei , Guodong Chen , Wenzheng Chi , Zhenhua Wang , Lining Sun

Surgical robots are used to perform minimally invasive surgery and alleviate much of the burden imposed on surgeons. Our group has developed a surgical robot to aid in the removal of tumors at the base of the skull via access through the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Masakazu Yoshimura , Murilo M. Marinho , Kanako Harada , Mamoru Mitsuishi