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We introduce a framework for designing multi-scale, adaptive, shift-invariant frames and bi-frames for representing signals. The new framework, called AdaFrame, improves over dictionary learning-based techniques in terms of computational…

Computer Vision and Pattern Recognition · Computer Science 2015-07-20 Cheng Tai , Weinan E

Presenting dynamic scenes without incurring motion artifacts visible to observers requires sustained effort from the display industry. A tool that predicts motion artifacts and simulates artifact elimination through optimizing the display…

Signal Processing · Electrical Eng. & Systems 2024-01-04 Guanghan Meng , Dekel Galor , Laura Waller , Martin S. Banks

We present WidthFormer, a novel transformer-based module to compute Bird's-Eye-View (BEV) representations from multi-view cameras for real-time autonomous-driving applications. WidthFormer is computationally efficient, robust and does not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Chenhongyi Yang , Tianwei Lin , Lichao Huang , Elliot J. Crowley

Natural videos captured by consumer cameras often suffer from low framerate and motion blur due to the combination of dynamic scene complexity, lens and sensor imperfection, and less than ideal exposure setting. As a result, computational…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Wei Shang , Dongwei Ren , Yi Yang , Hongzhi Zhang , Kede Ma , Wangmeng Zuo

In the field of cross-modal retrieval, single encoder models tend to perform better than dual encoder models, but they suffer from high latency and low throughput. In this paper, we present a dual encoder model called BagFormer that…

Information Retrieval · Computer Science 2023-01-02 Haowen Hou , Xiaopeng Yan , Yigeng Zhang , Fengzong Lian , Zhanhui Kang

Video frame interpolation (VFI) enables many important applications that might involve the temporal domain, such as slow motion playback, or the spatial domain, such as stop motion sequences. We are focusing on the former task, where one of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Uğur Çoğalan , Mojtaba Bemana , Hans-Peter Seidel , Karol Myszkowski

Recording fast motion in a high FPS (frame-per-second) requires expensive high-speed cameras. As an alternative, interpolating low-FPS videos from commodity cameras has attracted significant attention. If only low-FPS videos are available,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Weihua He , Kaichao You , Zhendong Qiao , Xu Jia , Ziyang Zhang , Wenhui Wang , Huchuan Lu , Yaoyuan Wang , Jianxing Liao

Video frame interpolation and prediction aim to synthesize frames in-between and subsequent to existing frames, respectively. Despite being closely-related, these two tasks are traditionally studied with different model architectures, or…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Xin Jin , Longhai Wu , Jie Chen , Ilhyun Cho , Cheul-Hee Hahm

Real-time video frame interpolation (VFI) is very useful in video processing, media players, and display devices. We propose RIFE, a Real-time Intermediate Flow Estimation algorithm for VFI. To realize a high-quality flow-based VFI method,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-14 Zhewei Huang , Tianyuan Zhang , Wen Heng , Boxin Shi , Shuchang Zhou

Local feature matching between images remains a challenging task, especially in the presence of significant appearance variations, e.g., extreme viewpoint changes. In this work, we propose DeepMatcher, a deep Transformer-based network built…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Tao Xie , Kun Dai , Ke Wang , Ruifeng Li , Lijun Zhao

Dexterous manipulation is a cornerstone capability for robotic systems aiming to interact with the physical world in a human-like manner. Although vision-based methods have advanced rapidly, tactile sensing remains crucial for fine-grained…

Robotics · Computer Science 2026-05-14 Liang Heng , Haoran Geng , Kaifeng Zhang , Pieter Abbeel , Jitendra Malik

In this work, we introduce the Prototypical Transformer (ProtoFormer), a general and unified framework that approaches various motion tasks from a prototype perspective. ProtoFormer seamlessly integrates prototype learning with Transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Cheng Han , Yawen Lu , Guohao Sun , James C. Liang , Zhiwen Cao , Qifan Wang , Qiang Guan , Sohail A. Dianat , Raghuveer M. Rao , Tong Geng , Zhiqiang Tao , Dongfang Liu

This paper proposes a new lightweight Transformer-based lifter that maps short sequences of human 2D joint positions to 3D poses using a single camera. The proposed model takes as input geometric priors including segment lengths and camera…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Mohamed Adjel , Vincent Bonnet

Traditional approaches to interpolate/extrapolate frames in a video sequence require accurate pixel correspondences between images, e.g., using optical flow. Their results stem on the accuracy of optical flow estimation, and could generate…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Zhe Hu , Yinglan Ma , Lizhuang Ma

Although traditionally used in the machine translation field, the encoder-decoder framework has been recently applied for the generation of video and image descriptions. The combination of Convolutional and Recurrent Neural Networks in…

Computer Vision and Pattern Recognition · Computer Science 2016-12-13 Álvaro Peris , Marc Bolaños , Petia Radeva , Francisco Casacuberta

Exploiting relations among 2D joints plays a crucial role yet remains semi-developed in 2D-to-3D pose estimation. To alleviate this issue, we propose GraFormer, a novel transformer architecture combined with graph convolution for 3D pose…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Weixi Zhao , Yunjie Tian , Qixiang Ye , Jianbin Jiao , Weiqiang Wang

We address unsupervised optical flow estimation for ego-centric motion. We argue that optical flow can be cast as a geometrical warping between two successive video frames and devise a deep architecture to estimate such transformation in…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Stefano Alletto , Davide Abati , Simone Calderara , Rita Cucchiara , Luca Rigazio

Referring video object segmentation (RVOS) aims to segment the target object in a video sequence described by a language expression. Typical multimodal Transformer based RVOS approaches process video sequence in a frame-independent manner…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Meng Lan , Fu Rong , Zuchao Li , Wei Yu , Lefei Zhang

Recognizing geometric features on B-rep models is a cornerstone technique for multimedia content-based retrieval and has been widely applied in intelligent manufacturing. However, previous research often merely focused on Machining Feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Yongkang Dai , Xiaoshui Huang , Yunpeng Bai , Hao Guo , Hongping Gan , Ling Yang , Yilei Shi

Human Activity Recognition (HAR) with wearable sensors is challenged by limited interpretability, which significantly impacts cross-dataset generalization. To address this challenge, we propose Motion-Primitive Transformer (MoPFormer), a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Hao Zhang , Zhan Zhuang , Xuehao Wang , Xiaodong Yang , Yu Zhang