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Reconstructing the scene of robotic surgery from the stereo endoscopic video is an important and promising topic in surgical data science, which potentially supports many applications such as surgical visual perception, robotic surgery…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Yonghao Long , Zhaoshuo Li , Chi Hang Yee , Chi Fai Ng , Russell H. Taylor , Mathias Unberath , Qi Dou

Reinforcement learning (RL) holds great promise for enabling autonomous acquisition of complex robotic manipulation skills, but realizing this potential in real-world settings has been challenging. We present a human-in-the-loop…

Robotics · Computer Science 2025-03-21 Jianlan Luo , Charles Xu , Jeffrey Wu , Sergey Levine

We present a novel deep learning-based framework: Embedded Feature Similarity Optimization with Specific Parameter Initialization (SOPI) for 2D/3D medical image registration which is a most challenging problem due to the difficulty such as…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Minheng Chen , Zhirun Zhang , Shuheng Gu , Youyong Kong

Deep learning (DL) has emerged as a tool for improving accelerated MRI reconstruction. A common strategy among DL methods is the physics-based approach, where a regularized iterative algorithm alternating between data consistency and a…

Image and Video Processing · Electrical Eng. & Systems 2020-07-03 Burhaneddin Yaman , Seyed Amir Hossein Hosseini , Steen Moeller , Jutta Ellermann , Kâmil Uǧurbil , Mehmet Akçakaya

As a domain-specific super-resolution problem, facial image hallucination has enjoyed a series of breakthroughs thanks to the advances of deep convolutional neural networks. However, the direct migration of existing methods to video is…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Chaowei Fang , Guanbin Li , Xiaoguang Han , Yizhou Yu

Recently, deep learning-based compressive imaging (DCI) has surpassed the conventional compressive imaging in reconstruction quality and faster running time. While multi-scale has shown superior performance over single-scale, research in…

Image and Video Processing · Electrical Eng. & Systems 2020-08-04 Thuong Nguyen Canh , Byeungwoo Jeon

Coded aperture snapshot spectral imaging (CASSI) is a promising technique to capture the three-dimensional hyperspectral image (HSI) using a single coded two-dimensional (2D) measurement, in which algorithms are used to perform the inverse…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Wei He , Naoto Yokoya , Xin Yuan

Reinforcement learning has shown a wide usage in robotics tasks, such as insertion and grasping. However, without a practical sim2real strategy, the policy trained in simulation could fail on the real task. There are also wide researches in…

Robotics · Computer Science 2022-06-07 Yiwen Chen , Xue Li , Sheng Guo , Xian Yao Ng , Marcelo Ang

Unsupervised depth learning takes the appearance difference between a target view and a view synthesized from its adjacent frame as supervisory signal. Since the supervisory signal only comes from images themselves, the resolution of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Junsheng Zhou , Yuwang Wang , Kaihuai Qin , Wenjun Zeng

Considering its advantages in dealing with high-dimensional visual input and learning control policies in discrete domain, Deep Q Network (DQN) could be an alternative method of traditional auto-focus means in the future. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Xiaofan Yu , Runze Yu , Jingsong Yang , Xiaohui Duan

Real-time prediction of technical errors from cataract surgical videos can be highly beneficial, particularly for telementoring, which involves remote guidance and mentoring through digital platforms. However, the rarity of surgical errors…

Image and Video Processing · Electrical Eng. & Systems 2025-03-31 Maxime Faure , Pierre-Henri Conze , Béatrice Cochener , Anas-Alexis Benyoussef , Mathieu Lamard , Gwenolé Quellec

Hyperspectral imaging acquires data in both the spatial and frequency domains to offer abundant physical or biological information. However, conventional hyperspectral imaging has intrinsic limitations of bulky instruments, slow data…

Image and Video Processing · Electrical Eng. & Systems 2023-04-06 Yuhyun Ji , Sang Mok Park , Semin Kwon , Jung Woo Leem , Vidhya Vijayakrishnan Nair , Yunjie Tong , Young L. Kim

Visual-inertial sensors have a wide range of applications in robotics. However, good performance often requires different sophisticated motion routines to accurately calibrate camera intrinsics and inter-sensor extrinsics. This work…

Robotics · Computer Science 2021-10-01 Yunke Ao , Le Chen , Florian Tschopp , Michel Breyer , Andrei Cramariuc , Roland Siegwart

Purpose: In multi-spectral imaging (MSI), several fast spin echo volumes with discrete Larmor frequency offsets are acquired in an interleaved fashion with multiple concatenations. Here, a variable resolution (VR) method to nearly halve…

Medical Physics · Physics 2023-06-06 Nikolai J. Mickevicius , Azadeh Sharafi , Andrew S. Nencka , Kevin M. Koch

Recent advances in implicit neural representations (INRs) have shown significant promise in modeling visual signals for various low-vision tasks including image super-resolution (ISR). INR-based ISR methods typically learn continuous…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yuxuan Jiang , Ho Man Kwan , Tianhao Peng , Ge Gao , Fan Zhang , Xiaoqing Zhu , Joel Sole , David Bull

Hyperspectral images are typically composed of hundreds of narrow and contiguous spectral bands, each containing information about the material composition of the imaged scene. However, these images can be affected by various sources of…

Image and Video Processing · Electrical Eng. & Systems 2023-06-16 Shuo Li , Mehrdad Yaghoobi

In this paper, we explore deep reinforcement learning algorithms for vision-based robotic grasping. Model-free deep reinforcement learning (RL) has been successfully applied to a range of challenging environments, but the proliferation of…

Robotics · Computer Science 2018-03-30 Deirdre Quillen , Eric Jang , Ofir Nachum , Chelsea Finn , Julian Ibarz , Sergey Levine

Autofocus (AF) methods are extensively used in biomicroscopy, for example to acquire timelapses, where the imaged objects tend to drift out of focus. AD algorithms determine an optimal distance by which to move the sample back into the…

Image and Video Processing · Electrical Eng. & Systems 2021-01-14 Adrian Shajkofci , Michael Liebling

Accurate hyperspectral image (HSI) interpretation is critical for providing valuable insights into various earth observation-related applications such as urban planning, precision agriculture, and environmental monitoring. However, existing…

Two less addressed issues of deep reinforcement learning are (1) lack of generalization capability to new target goals, and (2) data inefficiency i.e., the model requires several (and often costly) episodes of trial and error to converge,…

Computer Vision and Pattern Recognition · Computer Science 2016-09-19 Yuke Zhu , Roozbeh Mottaghi , Eric Kolve , Joseph J. Lim , Abhinav Gupta , Li Fei-Fei , Ali Farhadi