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In this work, we propose a framework whereby flow imaging data is leveraged to extract relevant information from flowfield visualizations. To this end, a vision transformer (ViT) model is developed to predict the unsteady pressure…

Fluid Dynamics · Physics 2023-05-10 Renato F. Miotto , William R. Wolf

Occlusions between consecutive frames have long posed a significant challenge in optical flow estimation. The inherent ambiguity introduced by occlusions directly violates the brightness constancy constraint and considerably hinders…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Shangkun Sun , Jiaming Liu , Thomas H. Li , Huaxia Li , Guoqing Liu , Wei Gao

For visual estimation of optical flow, a crucial function for many vision tasks, unsupervised learning, using the supervision of view synthesis has emerged as a promising alternative to supervised methods, since ground-truth flow is not…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Zitang Sun , Shin'ya Nishida , Zhengbo Luo

Video interpolation is an important problem in computer vision, which helps overcome the temporal limitation of camera sensors. Existing video interpolation methods usually assume uniform motion between consecutive frames and use linear…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Xiangyu Xu , Li Siyao , Wenxiu Sun , Qian Yin , Ming-Hsuan Yang

The scarcity of ground-truth labels poses one major challenge in developing optical flow estimation models that are both generalizable and robust. While current methods rely on data augmentation, they have yet to fully exploit the rich…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Jisoo Jeong , Hong Cai , Risheek Garrepalli , Jamie Menjay Lin , Munawar Hayat , Fatih Porikli

Video frame interpolation has been actively studied with the development of convolutional neural networks. However, due to the intrinsic limitations of kernel weight sharing in convolution, the interpolated frame generated by it may lose…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Pan Gao , Haoyue Tian , Jie Qin

The stereo event-intensity camera setup is widely applied to leverage the advantages of both event cameras with low latency and intensity cameras that capture accurate brightness and texture information. However, such a setup commonly…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Chao Ding , Mingyuan Lin , Haijian Zhang , Jianzhuang Liu , Lei Yu

Currently, one of the major challenges in deep learning-based video frame interpolation (VFI) is the large model sizes and high computational complexity associated with many high performance VFI approaches. In this paper, we present a…

Image and Video Processing · Electrical Eng. & Systems 2023-02-24 Crispian Morris , Duolikun Danier , Fan Zhang , Nantheera Anantrasirichai , David R. Bull

Video frame interpolation aims to synthesize one or multiple frames between two consecutive frames in a video. It has a wide range of applications including slow-motion video generation, frame-rate up-scaling and developing video codecs.…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Saikat Dutta , Arulkumar Subramaniam , Anurag Mittal

Video frame interpolation algorithms typically estimate optical flow or its variations and then use it to guide the synthesis of an intermediate frame between two consecutive original frames. To handle challenges like occlusion,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Simon Niklaus , Feng Liu

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

Diffusion models have revolutionized the field of content synthesis and editing. Recent models have replaced the traditional UNet architecture with the Diffusion Transformer (DiT), and employed flow-matching for improved training and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Omri Avrahami , Or Patashnik , Ohad Fried , Egor Nemchinov , Kfir Aberman , Dani Lischinski , Daniel Cohen-Or

Video frame interpolation is a challenging problem because there are different scenarios for each video depending on the variety of foreground and background motion, frame rate, and occlusion. It is therefore difficult for a single network…

Computer Vision and Pattern Recognition · Computer Science 2020-04-03 Myungsub Choi , Janghoon Choi , Sungyong Baik , Tae Hyun Kim , Kyoung Mu Lee

Video frame extrapolation is a task to predict future frames when the past frames are given. Unlike previous studies that usually have been focused on the design of modules or construction of networks, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Sangjin Lee , Hyeongmin Lee , Taeoh Kim , Sangyoun Lee

Every generation of mobile devices strives to capture video at higher resolution and frame rate than previous ones. This quality increase also requires additional power and computation to capture and encode high-quality media. We propose a…

Image and Video Processing · Electrical Eng. & Systems 2025-03-31 Hidekazu Takahashi , Takefumi Nagumo , Kensei Jo , Aumiller Andreas , Saeed Rad , Rodrigo Caye Daudt , Yoshitaka Miyatani , Hayato Wakabayashi , Christian Brandli

In this paper, we study the problem of jointly estimating the optical flow and scene flow from synchronized 2D and 3D data. Previous methods either employ a complex pipeline that splits the joint task into independent stages, or fuse 2D and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Haisong Liu , Tao Lu , Yihui Xu , Jia Liu , Limin Wang

Generating intermediate video content of varying lengths based on given first and last frames, along with text prompt information, offers significant research and application potential. However, traditional frame interpolation tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yijia Hong , Jiangning Zhang , Ran Yi , Yuji Wang , Weijian Cao , Xiaobin Hu , Zhucun Xue , Yabiao Wang , Chengjie Wang , Lizhuang Ma

In this work, we explore a new problem of frame interpolation for speech videos. Such content today forms the major form of online communication. We try to solve this problem by using several deep learning video generation algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Aradhya Neeraj Mathur , Devansh Batra , Yaman Kumar , Rajiv Ratn Shah , Roger Zimmermann

Deep convolutional neural network has demonstrated its capability of learning a deterministic mapping for the desired imagery effect. However, the large variety of user flavors motivates the possibility of continuous transition among…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Xintao Wang , Ke Yu , Chao Dong , Xiaoou Tang , Chen Change Loy

Video frame interpolation (VFI) aims to generate predictive frames by warping learnable motions from the bidirectional historical references. Most existing works utilize spatio-temporal semantic information extractor to realize motion…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Meiqin Liu , Chenming Xu , Chao Yao , Chunyu Lin , Yao Zhao