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In medical imaging, 4D MRI enables dynamic 3D visualization, yet the trade-off between spatial and temporal resolution requires prolonged scan time that can compromise temporal fidelity--especially during rapid, large-amplitude motion.…

Image and Video Processing · Electrical Eng. & Systems 2025-06-10 Xuanru Zhou , Jiarun Liu , Shoujun Yu , Hao Yang , Cheng Li , Tao Tan , Shanshan Wang

Scene understanding is paramount in robotics, self-navigation, augmented reality, and many other fields. To fully accomplish this task, an autonomous agent has to infer the 3D structure of the sensed scene (to know where it looks at) and…

Computer Vision and Pattern Recognition · Computer Science 2020-02-26 Pier Luigi Dovesi , Matteo Poggi , Lorenzo Andraghetti , Miquel Martí , Hedvig Kjellström , Alessandro Pieropan , Stefano Mattoccia

Radar-camera depth estimation must turn an ultra-sparse, all-weather, metric radar signal into a dense per-pixel depth map. Existing methods -- concatenation, confidence-aware gating, sparse supervision, graph-based extraction -- combine…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Zhangcheng Hou , Tomoaki Ohtsuki

Purpose: Stereo matching methods that enable depth estimation are crucial for visualization enhancement applications in computer-assisted surgery (CAS). Learning-based stereo matching methods are promising to predict accurate results on…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Zixin Yang , Richard Simon , Cristian A. Linte

Endoscopic video-based tasks, such as visual navigation and surgical phase recognition, play a crucial role in minimally invasive surgeries by providing real-time assistance. While recent video foundation models have shown promise, their…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Qingyao Tian , Huai Liao , Xinyan Huang , Bingyu Yang , Dongdong Lei , Sebastien Ourselin , Hongbin Liu

Traditional stereo algorithms have focused their efforts on reconstruction quality and have largely avoided prioritizing for run time performance. Robots, on the other hand, require quick maneuverability and effective computation to observe…

Robotics · Computer Science 2016-02-18 Sudeep Pillai , Srikumar Ramalingam , John J. Leonard

Burst image super-resolution (BISR) aims to enhance the resolution of a keyframe by leveraging information from multiple low-resolution images captured in quick succession. In the deep learning era, BISR methods have evolved from fully…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ozan Unal , Steven Marty , Dengxin Dai

Modern neural network-based algorithms are able to produce highly accurate depth estimates from stereo image pairs, nearly matching the reliability of measurements from more expensive depth sensors. However, this accuracy comes with a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Kyle Yee , Ayan Chakrabarti

In this work, we propose an accurate and real-time optical flow and disparity estimation model by fusing pairwise input images in the proposed non-causal selective state space for dense perception tasks. We propose a non-causal Mamba…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Tushar Anand , Advik Sinha , Abhijit Das

Dense, robust and real-time computation of depth information from stereo-camera systems is a computationally demanding requirement for robotics, advanced driver assistance systems (ADAS) and autonomous vehicles. Semi-Global Matching (SGM)…

Computer Vision and Pattern Recognition · Computer Science 2016-10-14 Daniel Hernandez-Juarez , Alejandro Chacón , Antonio Espinosa , David Vázquez , Juan Carlos Moure , Antonio Manuel López

We present an approach to depth estimation that fuses information from a stereo pair with sparse range measurements derived from a LIDAR sensor or a range camera. The goal of this work is to exploit the complementary strengths of the two…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Shreyas S. Shivakumar , Kartik Mohta , Bernd Pfrommer , Vijay Kumar , Camillo J. Taylor

Recent progress in remote sensing image (RSI) super-resolution (SR) has exhibited remarkable performance using deep neural networks, e.g., Convolutional Neural Networks and Transformers. However, existing SR methods often suffer from either…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Yi Xiao , Qiangqiang Yuan , Kui Jiang , Yuzeng Chen , Qiang Zhang , Chia-Wen Lin

In stereoscope-based Minimally Invasive Surgeries (MIS), dense stereo matching plays an indispensable role in 3D shape recovery, AR, VR, and navigation tasks. Although numerous Deep Neural Network (DNN) approaches are proposed, the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Jingwei Song , Qiuchen Zhu , Jianyu Lin , Maani Ghaffari

We design a multiscopic vision system that utilizes a low-cost monocular RGB camera to acquire accurate depth estimation. Unlike multi-view stereo with images captured at unconstrained camera poses, the proposed system controls the motion…

Computer Vision and Pattern Recognition · Computer Science 2021-08-21 Weihao Yuan , Rui Fan , Michael Yu Wang , Qifeng Chen

Remote sensing image fusion aims to generate a high-resolution multi/hyper-spectral image by combining a high-resolution image with limited spectral data and a low-resolution image rich in spectral information. Current deep learning (DL)…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Siran Peng , Xiangyu Zhu , Haoyu Deng , Liang-Jian Deng , Zhen Lei

Recent advancements in transformer-based monocular 3D object detection techniques have exhibited exceptional performance in inferring 3D attributes from single 2D images. However, most existing methods rely on resource-intensive transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Youjia Fu , Zihao Xu , Junsong Fu , Huixia Xue , Shuqiu Tan , Lei Li

Medical image segmentation plays an important role in various clinical applications; however, existing deep learning models face trade-offs between efficiency and accuracy. Convolutional Neural Networks (CNNs) capture local details well but…

Image and Video Processing · Electrical Eng. & Systems 2025-10-20 Saqib Qamar , Mohd Fazil , Parvez Ahmad , Shakir Khan , Abu Taha Zamani

Video stereo matching is the task of estimating consistent disparity maps from rectified stereo videos. There is considerable scope for improvement in both datasets and methods within this area. Recent learning-based methods often focus on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Junpeng Jing , Ye Mao , Anlan Qiu , Krystian Mikolajczyk

This work presents EndoStreamDepth, a monocular depth estimation framework for endoscopic video streams. It provides accurate depth maps with sharp anatomical boundaries for each frame, temporally consistent predictions across frames, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Hao Li , Daiwei Lu , Jiacheng Wang , Robert J. Webster , Ipek Oguz

Many applications of stereo depth estimation in robotics require the generation of accurate disparity maps in real time under significant computational constraints. Current state-of-the-art algorithms force a choice between either…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Yan Wang , Zihang Lai , Gao Huang , Brian H. Wang , Laurens van der Maaten , Mark Campbell , Kilian Q. Weinberger