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Until now, it has been difficult for volumetric super-resolution to utilize the recent advances in transformer-based models seen in 2D super-resolution. The memory required for self-attention in 3D volumes limits the receptive field.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 August Leander Høeg , Sophia W. Bardenfleth , Hans Martin Kjer , Tim B. Dyrby , Vedrana Andersen Dahl , Anders Dahl

We present a volume rendering-based neural surface reconstruction method that takes as few as three disparate RGB images as input. Our key idea is to regularize the reconstruction, which is severely ill-posed and leaving significant gaps…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Aditya Vora , Akshay Gadi Patil , Hao Zhang

Large scale video retrieval is a field of study with a lot of ongoing research. Most of the work in the field is on video retrieval through text queries using techniques such as VSE++. However, there is little research done on video…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Arvind Srinivasan , Aprameya Bharadwaj , Aveek Saha , Subramanyam Natarajan

To improve the discriminative and generalization ability of lightweight network for face recognition, we propose an efficient variable group convolutional network called VarGFaceNet. Variable group convolution is introduced by VarGNet to…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Mengjia Yan , Mengao Zhao , Zining Xu , Qian Zhang , Guoli Wang , Zhizhong Su

This paper provides an extensive study on the availability of image representations based on convolutional networks (ConvNets) for the task of visual instance retrieval. Besides the choice of convolutional layers, we present an efficient…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Ali Sharif Razavian , Josephine Sullivan , Stefan Carlsson , Atsuto Maki

Reading text from images remains challenging due to multi-orientation, perspective distortion and especially the curved nature of irregular text. Most of existing approaches attempt to solve the problem in two or multiple stages, which is…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Yipeng Sun , Chengquan Zhang , Zuming Huang , Jiaming Liu , Junyu Han , Errui Ding

Network virtualization (NV) is a technology with broad application prospects. Virtual network embedding (VNE) is the core orientation of VN, which aims to provide more flexible underlying physical resource allocation for user function…

Networking and Internet Architecture · Computer Science 2022-02-07 Peiying Zhang , Chao Wang , Neeraj Kumar , Weishan Zhang , Lei Liu

Relationships encode the interactions among individual instances, and play a critical role in deep visual scene understanding. Suffering from the high predictability with non-visual information, existing methods tend to fit the statistical…

Computer Vision and Pattern Recognition · Computer Science 2019-08-27 Yuanzhi Liang , Yalong Bai , Wei Zhang , Xueming Qian , Li Zhu , Tao Mei

Network architecture plays a key role in the deep learning-based computer vision system. The widely-used convolutional neural network and transformer treat the image as a grid or sequence structure, which is not flexible to capture…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Kai Han , Yunhe Wang , Jianyuan Guo , Yehui Tang , Enhua Wu

Deep learning approaches have achieved highly accurate face recognition by training the models with very large face image datasets. Unlike the availability of large 2D face image datasets, there is a lack of large 3D face datasets available…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Meng-Tzu Chiu , Hsun-Ying Cheng , Chien-Yi Wang , Shang-Hong Lai

Volume data is found in many important scientific and engineering applications. Rendering this data for visualization at high quality and interactive rates for demanding applications such as virtual reality is still not easily achievable…

Graphics · Computer Science 2022-09-22 David Bauer , Qi Wu , Kwan-Liu Ma

Accurate detection of objects in 3D point clouds is a central problem in many applications, such as autonomous navigation, housekeeping robots, and augmented/virtual reality. To interface a highly sparse LiDAR point cloud with a region…

Computer Vision and Pattern Recognition · Computer Science 2017-11-20 Yin Zhou , Oncel Tuzel

One fundamental challenge of vehicle re-identification (re-id) is to learn robust and discriminative visual representation, given the significant intra-class vehicle variations across different camera views. As the existing vehicle datasets…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Zhedong Zheng , Tao Ruan , Yunchao Wei , Yi Yang , Tao Mei

Scalable Vector Graphics (SVG) are ubiquitous in modern 2D interfaces due to their ability to scale to different resolutions. However, despite the success of deep learning-based models applied to rasterized images, the problem of vector…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Alexandre Carlier , Martin Danelljan , Alexandre Alahi , Radu Timofte

How to aggregate multi-view representations of a 3D object into an informative and discriminative one remains a key challenge for multi-view 3D object retrieval. Existing methods either use view-wise pooling strategies which neglect the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Xinwei He , Tengteng Huang , Song Bai , Xiang Bai

Recent feed-forward reconstruction models, such as VGGT, have proven competitive with traditional optimization-based reconstructors while also providing geometry-aware features useful for other tasks. Here, we show that the quality of these…

Deep learning-based super-resolution (SR) techniques have generally achieved excellent performance in the computer vision field. Recently, it has been proven that three-dimensional (3D) SR for medical volumetric data delivers better visual…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Yinhao Li , Yutaro Iwamoto , Lanfen Lin , Rui Xu , Yen-Wei Chen

With the advent of mobile and hand-held cameras, document images have found their way into almost every domain. Dewarping of these images for the removal of perspective distortions and folds is essential so that they can be understood by…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Hmrishav Bandyopadhyay , Tanmoy Dasgupta , Nibaran Das , Mita Nasipuri

Visual relation detection (VRD) aims to identify relationships (or interactions) between object pairs in an image. Although recent VRD models have achieved impressive performance, they are all restricted to pre-defined relation categories,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Kaifeng Gao , Siqi Chen , Hanwang Zhang , Jun Xiao , Yueting Zhuang , Qianru Sun

Recent image restoration methods can be broadly categorized into two classes: (1) regression methods that recover the rough structure of the original image without synthesizing high-frequency details and (2) generative methods that…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Hwayoon Lee , Kyoungkook Kang , Hyeongmin Lee , Seung-Hwan Baek , Sunghyun Cho