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The problem of Scene flow estimation in depth videos has been attracting attention of researchers of robot vision, due to its potential application in various areas of robotics. The conventional scene flow methods are difficult to use in…

计算机视觉与模式识别 · 计算机科学 2019-04-26 Ravi Kumar Thakur , Snehasis Mukherjee

This paper proposes a two-stream flow-guided convolutional attention networks for action recognition in videos. The central idea is that optical flows, when properly compensated for the camera motion, can be used to guide attention to the…

计算机视觉与模式识别 · 计算机科学 2017-08-31 An Tran , Loong-Fah Cheong

X-ray computed tomography (XCT) is an important tool for high-resolution non-destructive characterization of additively-manufactured metal components. XCT reconstructions of metal components may have beam hardening artifacts such as cupping…

Thanks to its capability of acquiring full-view frames at multiple kilohertz, ultrafast ultrasound imaging unlocked the analysis of rapidly changing physical phenomena in the human body, with pioneering applications such as ultrasensitive…

图像与视频处理 · 电气工程与系统科学 2020-12-22 Dimitris Perdios , Manuel Vonlanthen , Florian Martinez , Marcel Arditi , Jean-Philippe Thiran

Automated detection of cervical cancer cells or cell clumps has the potential to significantly reduce error rate and increase productivity in cervical cancer screening. However, most traditional methods rely on the success of accurate cell…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Yixiong Liang , Zhihong Tang , Meng Yan , Jialin Chen , Qing Liu , Yao Xiang

The evaluation of obstructions (stenosis) in coronary arteries is currently done by a physician's visual assessment of coronary angiography video sequences. It is laborious, and can be susceptible to interobserver variation. Prior studies…

图像与视频处理 · 电气工程与系统科学 2021-02-01 Chengyang Zhou , Thao Vy Dinh , Heyi Kong , Jonathan Yap , Khung Keong Yeo , Hwee Kuan Lee , Kaicheng Liang

Cardiac auscultation is the most practiced non-invasive and cost-effective procedure for the early diagnosis of heart diseases. While machine learning based systems can aid in automatically screening patients, the robustness of these…

信号处理 · 电气工程与系统科学 2020-10-05 Ahmed Imtiaz Humayun , Shabnam Ghaffarzadegan , Md. Istiaq Ansari , Zhe Feng , Taufiq Hasan

Like many other advanced imaging methods, x-ray phase contrast imaging and tomography require mathematical inversion of the observed data to obtain real-space information. While an accurate forward model describing the generally nonlinear…

数值分析 · 数学 2016-04-07 Simon Maretzke , Matthias Bartels , Martin Krenkel , Tim Salditt , Thorsten Hohage

The deep two-stream architecture exhibited excellent performance on video based action recognition. The most computationally expensive step in this approach comes from the calculation of optical flow which prevents it to be real-time. This…

计算机视觉与模式识别 · 计算机科学 2016-04-27 Bowen Zhang , Limin Wang , Zhe Wang , Yu Qiao , Hanli Wang

Device tracking is an important prerequisite for guidance during endovascular procedures. Especially during cardiac interventions, detection and tracking of guiding the catheter tip in 2D fluoroscopic images is important for applications…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Marc Demoustier , Yue Zhang , Venkatesh Narasimha Murthy , Florin C. Ghesu , Dorin Comaniciu

Various types of atherosclerotic plaque and varying grades of stenosis could lead to different management of patients with coronary artery disease. Therefore, it is crucial to detect and classify the type of coronary artery plaque, as well…

计算机视觉与模式识别 · 计算机科学 2018-12-11 Majd Zreik , Robbert W. van Hamersvelt , Jelmer M. Wolterink , Tim Leiner , Max A. Viergever , Ivana Isgum

Automatically detecting violence from surveillance footage is a subset of activity recognition that deserves special attention because of its wide applicability in unmanned security monitoring systems, internet video filtration, etc. In…

计算机视觉与模式识别 · 计算机科学 2021-10-08 Zahidul Islam , Mohammad Rukonuzzaman , Raiyan Ahmed , Md. Hasanul Kabir , Moshiur Farazi

Deep convolutional neural networks (CNNs) have made impressive progress in many video recognition tasks such as video pose estimation and video object detection. However, CNN inference on video is computationally expensive due to processing…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Bowen Pan , Wuwei Lin , Xiaolin Fang , Chaoqin Huang , Bolei Zhou , Cewu Lu

For pursuing accurate skeleton-based action recognition, most prior methods use the strategy of combining Graph Convolution Networks (GCNs) with attention-based methods in a serial way. However, they regard the human skeleton as a complete…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Chen Pang , Xuequan Lu , Lei Lyu

Acquiring images of the same anatomy with multiple different contrasts increases the diversity of diagnostic information available in an MR exam. Yet, scan time limitations may prohibit acquisition of certain contrasts, and images for some…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Salman Ul Hassan Dar , Mahmut Yurt , Levent Karacan , Aykut Erdem , Erkut Erdem , Tolga Çukur

Traditional discriminative computer vision relies predominantly on static projections, mapping input features to outputs in a single computational step. Although efficient, this paradigm lacks the iterative refinement and robustness…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Om Govind Jha , Manoj Bamniya , Ayon Borthakur

Heterogeneous face recognition between color image and depth image is a much desired capacity for real world applications where shape information is looked upon as merely involved in gallery. In this paper, we propose a cross-modal deep…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Wuming Zhang , Zhixin Shu , Dimitris Samaras , Liming Chen

While deep feature learning has revolutionized techniques for static-image understanding, the same does not quite hold for video processing. Architectures and optimization techniques used for video are largely based off those for static…

计算机视觉与模式识别 · 计算机科学 2017-12-13 Achal Dave , Olga Russakovsky , Deva Ramanan

Convolutional Neural Network (CNN) is a very powerful approach to extract discriminative local descriptors for effective image search. Recent work adopts fine-tuned strategies to further improve the discriminative power of the descriptors.…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Tuan Hoang , Thanh-Toan Do , Dang-Khoa Le Tan , Ngai-Man Cheung

Deep convolutional neural networks have become a key element in the recent breakthrough of salient object detection. However, existing CNN-based methods are based on either patch-wise (region-wise) training and inference or fully…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Guanbin Li , Yizhou Yu