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Motion estimation (ME) and motion compensation (MC) have been widely used for classical video frame interpolation systems over the past decades. Recently, a number of data-driven frame interpolation methods based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Wenbo Bao , Wei-Sheng Lai , Xiaoyun Zhang , Zhiyong Gao , Ming-Hsuan Yang

LiDAR point cloud frame interpolation, which synthesizes the intermediate frame between the captured frames, has emerged as an important issue for many applications. Especially for reducing the amounts of point cloud transmission, it is by…

Image and Video Processing · Electrical Eng. & Systems 2021-10-14 Lili Zhao , Zezhi Zhu , Xuhu Lin , Xuezhou Guo , Qian Yin , Wenyi Wang , Jianwen Chen

The interpretation of ego motion and scene change is a fundamental task for mobile robots. Optical flow information can be employed to estimate motion in the surroundings. Recently, unsupervised optical flow estimation has become a research…

Computer Vision and Pattern Recognition · Computer Science 2020-11-05 Hengli Wang , Rui Fan , Ming Liu

Multi-mode antennas are an alternative to classical antenna arrays, and hence a promising emerging sensor technology for a vast variety of applications in the areas of array signal processing and digital communications. An unsolved problem…

Signal Processing · Electrical Eng. & Systems 2019-05-30 Sami Alkubti Almasri , Robert Pöhlmann , Niklas Doose , Peter A. Hoeher , Armin Dammann

Transformer architectures, particularly Diffusion Transformers (DiTs), have become widely used in diffusion and flow-matching models due to their strong performance compared to convolutional UNets. However, the isotropic design of DiTs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Quan Dao , Dimitris Metaxas

Existing Video Frame interpolation (VFI) models tend to suffer from time-to-location ambiguity when trained with video of non-uniform motions, such as accelerating, decelerating, and changing directions, which often yield blurred…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Wonyong Seo , Jihyong Oh , Munchurl Kim

This work presents a supervised learning based approach to the computer vision problem of frame interpolation. The presented technique could also be used in the cartoon animations since drawing each individual frame consumes a noticeable…

Computer Vision and Pattern Recognition · Computer Science 2017-06-16 Vladislav Samsonov

Vision Transformers (ViTs) partition input images into uniformly sized patches regardless of their content, resulting in long input sequence lengths for high-resolution images. We present Adaptive Patch Transformers (APT), which addresses…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Rohan Choudhury , JungEun Kim , Jinhyung Park , Eunho Yang , László A. Jeni , Kris M. Kitani

As Deep Neural Networks are becoming more popular, much of the attention is being devoted to Computer Vision problems that used to be solved with more traditional approaches. Video frame interpolation is one of such challenges that has seen…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Mart Kartašev , Carlo Rapisarda , Dominik Fay

Recently, plain vision Transformers (ViTs) have shown impressive performance on various computer vision tasks, thanks to their strong modeling capacity and large-scale pretraining. However, they have not yet conquered the problem of image…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Jingfeng Yao , Xinggang Wang , Shusheng Yang , Baoyuan Wang

Standard video frame interpolation methods first estimate optical flow between input frames and then synthesize an intermediate frame guided by motion. Recent approaches merge these two steps into a single convolution process by convolving…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Simon Niklaus , Long Mai , Feng Liu

We present HyperFLINT (Hypernetwork-based FLow estimation and temporal INTerpolation), a novel deep learning-based approach for estimating flow fields, temporally interpolating scalar fields, and facilitating parameter space exploration in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Hamid Gadirov , Qi Wu , David Bauer , Kwan-Liu Ma , Jos Roerdink , Steffen Frey

Multi-class cell nuclei detection is a fundamental prerequisite in the diagnosis of histopathology. It is critical to efficiently locate and identify cells with diverse morphology and distributions in digital pathological images. Most…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Junjia Huang , Haofeng Li , Xiang Wan , Guanbin Li

Transformer-based networks have achieved impressive performance in 3D point cloud understanding. However, most of them concentrate on aggregating local features, but neglect to directly model global dependencies, which results in a limited…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Hengjia Li , Tu Zheng , Zhihao Chi , Zheng Yang , Wenxiao Wang , Boxi Wu , Binbin Lin , Deng Cai

Deep learning models, in particular \textit{image} models, have recently gained generalisability and robustness. %are becoming more general and robust by the day. In this work, we propose to exploit such advances in the realm of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Tanay Agrawal , Abid Ali , Antitza Dantcheva , Francois Bremond

Existing action recognition methods typically sample a few frames to represent each video to avoid the enormous computation, which often limits the recognition performance. To tackle this problem, we propose Ample and Focal Network (AFNet),…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Yitian Zhang , Yue Bai , Huan Wang , Yi Xu , Yun Fu

In this paper, we present TransMVSNet, based on our exploration of feature matching in multi-view stereo (MVS). We analogize MVS back to its nature of a feature matching task and therefore propose a powerful Feature Matching Transformer…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Yikang Ding , Wentao Yuan , Qingtian Zhu , Haotian Zhang , Xiangyue Liu , Yuanjiang Wang , Xiao Liu

Video frame interpolation typically involves two steps: motion estimation and pixel synthesis. Such a two-step approach heavily depends on the quality of motion estimation. This paper presents a robust video frame interpolation method that…

Computer Vision and Pattern Recognition · Computer Science 2017-03-23 Simon Niklaus , Long Mai , Feng Liu

Video frame interpolation is a challenging task due to the ever-changing real-world scene. Previous methods often calculate the bi-directional optical flows and then predict the intermediate optical flows under the linear motion…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Song Wu , Kaichao You , Weihua He , Chen Yang , Yang Tian , Yaoyuan Wang , Ziyang Zhang , Jianxing Liao

State-of-the-art scene flow algorithms pursue the conflicting targets of accuracy, run time, and robustness. With the successful concept of pixel-wise matching and sparse-to-dense interpolation, we push the limits of scene flow estimation.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 René Schuster , Oliver Wasenmüller , Christian Unger , Georg Kuschk , Didier Stricker