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Multi-focus image fusion is a technique for obtaining an all-in-focus image in which all objects are in focus to extend the limited depth of field (DoF) of an imaging system. Different from traditional RGB-based methods, this paper presents…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Hang Liu , Hengyu Li , Jun Luo , Shaorong Xie , Yu Sun

Depth information provides valuable insights into the 3D structure especially the outline of objects, which can be utilized to improve the semantic segmentation tasks. However, a naive fusion of depth information can disrupt feature and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Wei Sun , Yuan Li , Qixiang Ye , Jianbin Jiao , Yanzhao Zhou

Full-field ultra-high-speed (UHS) x-ray imaging experiments have been well established to characterize various processes and phenomena. However, the potential of UHS experiments through the joint acquisition of x-ray videos with distinct…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Songyuan Tang , Tekin Bicer , Tao Sun , Kamel Fezzaa , Samuel J. Clark

Novel-view synthesis through diffusion models has demonstrated remarkable potential for generating diverse and high-quality images. Yet, the independent process of image generation in these prevailing methods leads to challenges in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Xianghui Yang , Yan Zuo , Sameera Ramasinghe , Loris Bazzani , Gil Avraham , Anton van den Hengel

Focus based methods have shown promising results for the task of depth estimation. However, most existing focus based depth estimation approaches depend on maximal sharpness of the focal stack. Out of focus information in the focal stack…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Yongri Piao , Yukun Zhang , Miao Zhang , Xinxin Ji

Recent advances in video super-resolution have shown that convolutional neural networks combined with motion compensation are able to merge information from multiple low-resolution (LR) frames to generate high-quality images. Current…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Mehdi S. M. Sajjadi , Raviteja Vemulapalli , Matthew Brown

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 René Schuster , Christian Unger , Didier Stricker

3D scanning is a complex multistage process that generates a point cloud of an object typically containing damaged parts due to occlusions, reflections, shadows, scanner motion, specific properties of the object surface, imperfect…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Taras Rumezhak , Oles Dobosevych , Rostyslav Hryniv , Vladyslav Selotkin , Volodymyr Karpiv , Mykola Maksymenko

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

Video caption refers to generating a descriptive sentence for a specific short video clip automatically, which has achieved remarkable success recently. However, most of the existing methods focus more on visual information while ignoring…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Wangli Hao , Zhaoxiang Zhang , He Guan , Guibo Zhu

We present a new data-driven video inpainting method for recovering missing regions of video frames. A novel deep learning architecture is proposed which contains two sub-networks: a temporal structure inference network and a spatial detail…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Chuan Wang , Haibin Huang , Xiaoguang Han , Jue Wang

Learning matching costs has been shown to be critical to the success of the state-of-the-art deep stereo matching methods, in which 3D convolutions are applied on a 4D feature volume to learn a 3D cost volume. However, this mechanism has…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Jianyuan Wang , Yiran Zhong , Yuchao Dai , Kaihao Zhang , Pan Ji , Hongdong Li

Monocular depth estimation is a challenging problem on which deep neural networks have demonstrated great potential. However, depth maps predicted by existing deep models usually lack fine-grained details due to the convolution operations…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Yaqiao Dai , Renjiao Yi , Chenyang Zhu , Hongjun He , Kai Xu

Large text-to-image diffusion models have achieved remarkable success in generating diverse, high-quality images. Additionally, these models have been successfully leveraged to edit input images by just changing the text prompt. But when…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Anant Khandelwal

Recent learning-based methods for event-based optical flow estimation utilize cost volumes for pixel matching but suffer from redundant computations and limited scalability to higher resolutions for flow refinement. In this work, we take…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Daikun Liu , Lei Cheng , Teng Wang , changyin Sun

Infrared and visible video fusion combines the object saliency from infrared images with the texture details from visible images to produce semantically rich fusion results. However, most existing methods are designed for static image…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Xilai Li , Weijun Jiang , Xiaosong Li , Yang Liu , Hongbin Wang , Tao Ye , Huafeng Li , Haishu Tan

In this paper, we present RStab, a novel framework for video stabilization that integrates 3D multi-frame fusion through volume rendering. Departing from conventional methods, we introduce a 3D multi-frame perspective to generate stabilized…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Zhan Peng , Xinyi Ye , Weiyue Zhao , Tianqi Liu , Huiqiang Sun , Baopu Li , Zhiguo Cao

Volumetric models have become a popular representation for 3D scenes in recent years. One of the breakthroughs leading to their popularity was KinectFusion, where the focus is on 3D reconstruction using RGB-D sensors. However, monocular…

Computer Vision and Pattern Recognition · Computer Science 2014-10-27 Victor Adrian Prisacariu , Olaf Kähler , Ming Ming Cheng , Carl Yuheng Ren , Julien Valentin , Philip H. S. Torr , Ian D. Reid , David W. Murray

The ability to accurately detect and localize objects is recognized as being the most important for the perception of self-driving cars. From 2D to 3D object detection, the most difficult is to determine the distance from the ego-vehicle to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Nguyen Anh Minh Mai , Pierre Duthon , Louahdi Khoudour , Alain Crouzil , Sergio A. Velastin

In this paper we revisit feature fusion, an old-fashioned topic, in the new context of text-to-video retrieval. Different from previous research that considers feature fusion only at one end, let it be video or text, we aim for feature…

Multimedia · Computer Science 2022-07-28 Fan Hu , Aozhu Chen , Ziyue Wang , Fangming Zhou , Jianfeng Dong , Xirong Li