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Although wireless capsule endoscopy is the preferred modality for diagnosis and assessment of small bowel diseases, the poor camera resolution is a substantial limitation for both subjective and automated diagnostics. Enhanced-resolution…

While vision language models (VLMs) excel in 2D semantic visual understanding, their ability to quantitatively reason about 3D spatial relationships remains under-explored, due to the deficiency of 2D images' spatial representation ability.…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Pingyi Chen , Yujing Lou , Shen Cao , Jinhui Guo , Lubin Fan , Yue Wu , Lin Yang , Lizhuang Ma , Jieping Ye

Spherical cameras capture scenes in a holistic manner and have been used for room layout estimation. Recently, with the availability of appropriate datasets, there has also been progress in depth estimation from a single omnidirectional…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Nikolaos Zioulis , Federico Alvarez , Dimitrios Zarpalas , Petros Daras

Learning to predict scene depth from RGB inputs is a challenging task both for indoor and outdoor robot navigation. In this work we address unsupervised learning of scene depth and robot ego-motion where supervision is provided by monocular…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Vincent Casser , Soeren Pirk , Reza Mahjourian , Anelia Angelova

submucosal dissection (ESD) enables rapid resection of large lesions, minimizing recurrence rates and improving long-term overall survival. Despite these advantages, ESD is technically challenging and carries high risks of complications,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Guankun Wang , Han Xiao , Huxin Gao , Renrui Zhang , Long Bai , Xiaoxiao Yang , Zhen Li , Hongsheng Li , Hongliang Ren

Multimodal embedding models, built upon causal Vision Language Models (VLMs), have shown promise in various tasks. However, current approaches face three key limitations: the use of causal attention in VLM backbones is suboptimal for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Haonan Chen , Hong Liu , Yuping Luo , Liang Wang , Nan Yang , Furu Wei , Zhicheng Dou

Depth information is the foundation of perception, essential for autonomous driving, robotics, and other source-constrained applications. Promptly obtaining accurate and efficient depth information allows for a rapid response in dynamic…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Xin Zhang , Rabab Abdelfattah , Yuqi Song , Samuel A. Dauchert , Xiaofeng wang

Metric depth prediction from monocular videos suffers from bad generalization between datasets and requires supervised depth data for scale-correct training. Self-supervised training using multi-view reconstruction can benefit from large…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Xiaohu Liu , Sascha Hornauer , Fabien Moutarde , Jialiang Lu

Deep learning approaches for Visual-Inertial Odometry (VIO) have proven successful, but they rarely focus on incorporating robust fusion strategies for dealing with imperfect input sensory data. We propose a novel end-to-end selective…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Changhao Chen , Stefano Rosa , Yishu Miao , Chris Xiaoxuan Lu , Wei Wu , Andrew Markham , Niki Trigoni

We propose a learning-based method that solves monocular stereo and can be extended to fuse depth information from multiple target frames. Given two unconstrained images from a monocular camera with known intrinsic calibration, our network…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Kaixuan Wang , Shaojie Shen

We present a robust deep learning based 6 degrees-of-freedom (DoF) localization system for endoscopic capsule robots. Our system mainly focuses on localization of endoscopic capsule robots inside the GI tract using only visual information…

Computer Vision and Pattern Recognition · Computer Science 2017-05-17 Mehmet Turan , Yasin Almalioglu , Ender Konukoglu , Metin Sitti

The practical deployment of medical vision-language models (Med-VLMs) necessitates seamless integration of textual data with diverse visual modalities, including 2D/3D images and videos, yet existing models typically employ separate…

Computation and Language · Computer Science 2025-04-22 Songtao Jiang , Yuan Wang , Sibo Song , Yan Zhang , Zijie Meng , Bohan Lei , Jian Wu , Jimeng Sun , Zuozhu Liu

In this study, we address the key challenges concerning the accuracy and effectiveness of depth estimation for endoscopic imaging, with a particular emphasis on real-time inference and the impact of light reflections. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Yangke Li

Monocular visual odometry (VO) has attracted extensive research attention by providing real-time vehicle motion from cost-effective camera images. However, state-of-the-art optimization-based monocular VO methods suffer from the scale…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Sen Zhang , Jing Zhang , Dacheng Tao

Segmenting glomerular intraglomerular tissue and lesions traditionally depends on detailed morphological evaluations by expert nephropathologists, a labor-intensive process susceptible to interobserver variability. Our group previously…

Image and Video Processing · Electrical Eng. & Systems 2024-11-27 Lining Yu , Mengmeng Yin , Ruining Deng , Quan Liu , Tianyuan Yao , Can Cui , Junlin Guo , Yu Wang , Yaohong Wang , Shilin Zhao , Haichun Yang , Yuankai Huo

For the task of simultaneous monocular depth and visual odometry estimation, we propose learning self-supervised transformer-based models in two steps. Our first step consists in a generic pretraining to learn 3D geometry, using cross-view…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Boris Chidlovskii , Leonid Antsfeld

Efficient and accurate multi-organ segmentation from abdominal CT volumes is a fundamental challenge in medical image analysis. Existing 3D segmentation approaches are computationally and memory intensive, often processing entire volumes…

Image and Video Processing · Electrical Eng. & Systems 2025-05-19 Hania Ghouse , Muzammil Behzad

Humans possess the remarkable skill of Visual Perception, the ability to see and understand the seen, helping them make sense of the visual world and, in turn, reason. Multimodal Large Language Models (MLLM) have recently achieved…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Jitesh Jain , Jianwei Yang , Humphrey Shi

This technical report presents SpineNetV2, an automated tool which: (i) detects and labels vertebral bodies in clinical spinal magnetic resonance (MR) scans across a range of commonly used sequences; and (ii) performs radiological grading…

Image and Video Processing · Electrical Eng. & Systems 2022-05-05 Rhydian Windsor , Amir Jamaludin , Timor Kadir , Andrew Zisserman

Multimodal deep learning has been used to predict clinical endpoints and diagnoses from clinical routine data. However, these models suffer from scaling issues: they have to learn pairwise interactions between each piece of information in…