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Synthesizing novel views of dynamic humans from stationary monocular cameras is a specialized but desirable setup. This is particularly attractive as it does not require static scenes, controlled environments, or specialized capture…

计算机视觉与模式识别 · 计算机科学 2022-02-08 Xuelin Chen , Weiyu Li , Daniel Cohen-Or , Niloy J. Mitra , Baoquan Chen

In last few decades, a lot of progress has been made in the field of face detection. Various face detection methods have been proposed by numerous researchers working in this area. The two well-known benchmarking platform: the FDDB and…

计算机视觉与模式识别 · 计算机科学 2019-10-25 Mohammad Iqbal Nouyed , Guodong Guo

Optical flow is the motion of a pixel between at least two consecutive video frames and can be estimated through an end-to-end trainable convolutional neural network. To this end, large training datasets are required to improve the accuracy…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Roman Seidel , André Apitzsch , Gangolf Hirtz

It is hard to estimate optical flow given a realworld video sequence with camera shake and other motion blur. In this paper, we first investigate the blur parameterization for video footage using near linear motion elements. we then combine…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Wenbin Li , Yang Chen , JeeHang Lee , Gang Ren , Darren Cosker

Efficient face detection is critical to provide natural human-robot interactions. However, computer vision tends to involve a large computational load due to the amount of data (i.e. pixels) that needs to be processed in a short amount of…

音频与语音处理 · 电气工程与系统科学 2024-03-19 William Aris , François Grondin

Optical Flow (OF) is the movement pattern of pixels or edges that is caused in a visual scene by the relative motion between an agent and a scene. OF is used in a wide range of computer vision algorithms and robotics applications. While the…

图像与视频处理 · 电气工程与系统科学 2023-09-25 Jonas Kühne , Michele Magno , Luca Benini

Face presentation attack detection (FacePAD) remains challenging under diverse spoofing representation, including 2D print and replay, 3D mask-based spoofing, makeup-induced appearance manipulation, and physical occlusions, as well as under…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Muhammad Shahid Jabbar , Muhammad Sohail Ibrahim , Taha Hasan Masood Siddique , Kejie Huang , Shujaat Khan

Depth map estimation is a crucial task in computer vision, and new approaches have recently emerged taking advantage of light fields, as this new imaging modality captures much more information about the angular direction of light rays…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Yang Chen , Martin Alain , Aljosa Smolic

We present a novel, purely affinity-based natural image matting algorithm. Our method relies on carefully defined pixel-to-pixel connections that enable effective use of information available in the image. We control the information flow…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Yağız Aksoy , Tunç Ozan Aydın , Marc Pollefeys

We address the unsupervised learning of several interconnected problems in low-level vision: single view depth prediction, camera motion estimation, optical flow, and segmentation of a video into the static scene and moving regions. Our key…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Anurag Ranjan , Varun Jampani , Lukas Balles , Kihwan Kim , Deqing Sun , Jonas Wulff , Michael J. Black

In this paper, an autonomous method of satellite detection and tracking in images is implemented using optical flow. Optical flow is used to estimate the image velocities of detected objects in a series of space images. Given that most…

天体物理仪器与方法 · 物理学 2022-04-15 David Zuehlke , Daniel Posada , Madhur Tiwari , Troy Henderson

Typically, objects with the same semantics are not always prominent in images containing different backgrounds. Motivated by this observation that accurately salient object detection is related to both foreground and background, we proposed…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Changqun Xia , Jia Li , Jinming Su , Yonghong Tian

Capturing the interactions between humans and their environment in 3D is important for many applications in robotics, graphics, and vision. Recent works to reconstruct the 3D human and object from a single RGB image do not have consistent…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Xianghui Xie , Bharat Lal Bhatnagar , Gerard Pons-Moll

Efficiently selecting an appropriate spike stream data length to extract precise information is the key to the spike vision tasks. To address this issue, we propose a dynamic timing representation for spike streams. Based on multi-layers…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Lujie Xia , Ziluo Ding , Rui Zhao , Jiyuan Zhang , Lei Ma , Zhaofei Yu , Tiejun Huang , Ruiqin Xiong

We propose a novel method for learning convolutional neural image representations without manual supervision. We use motion cues in the form of optical flow, to supervise representations of static images. The obvious approach of training a…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Aravindh Mahendran , James Thewlis , Andrea Vedaldi

Separating moving and static objects from a moving camera viewpoint is essential for 3D reconstruction, autonomous navigation, and scene understanding in robotics. Existing approaches often rely primarily on optical flow, which struggles to…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Masahiro Ogawa , Qi An , Atsushi Yamashita

We provide a novel search technique, which uses a hierarchical model and a mutual information gain heuristic to efficiently prune the search space when localizing faces in images. We show exponential gains in computation over traditional…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Raphael Sznitman , Bruno Jedynak

Cooperatively utilizing both ego-vehicle and infrastructure sensor data can significantly enhance autonomous driving perception abilities. However, the uncertain temporal asynchrony and limited communication conditions can lead to fusion…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Haibao Yu , Yingjuan Tang , Enze Xie , Jilei Mao , Ping Luo , Zaiqing Nie

The optical flow of humans is well known to be useful for the analysis of human action. Recent optical flow methods focus on training deep networks to approach the problem. However, the training data used by them does not cover the domain…

计算机视觉与模式识别 · 计算机科学 2019-12-20 Anurag Ranjan , David T. Hoffmann , Dimitrios Tzionas , Siyu Tang , Javier Romero , Michael J. Black

We propose an optical flow-guided approach for semi-supervised video object segmentation. Optical flow is usually exploited as additional guidance information in unsupervised video object segmentation. However, its relevance in…

计算机视觉与模式识别 · 计算机科学 2023-01-26 Yushan Zhang , Andreas Robinson , Maria Magnusson , Michael Felsberg