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We propose a novel DNN based framework called the Enhanced Correlation Matching based Video Frame Interpolation Network to support high resolution like 4K, which has a large scale of motion and occlusion. Considering the extensibility of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Sungho Lee , Narae Choi , Woong Il Choi

Rectified flow and reflow procedures have significantly advanced fast generation by progressively straightening ordinary differential equation (ODE) flows. They operate under the assumption that image and noise pairs, known as couplings,…

Machine Learning · Computer Science 2024-11-04 Dogyun Park , Sojin Lee , Sihyeon Kim , Taehoon Lee , Youngjoon Hong , Hyunwoo J. Kim

Cone-beam CT (CBCT) is routinely acquired in radiotherapy but suffers from severe artifacts and unreliable Hounsfield Unit (HU) values, limiting its direct use for dose calculation. Synthetic CT (sCT) generation from CBCT is therefore an…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xianhao Zhou , Jianghao Wu , Lanfeng Zhong , Ku Zhao , Jinlong He , Shaoting Zhang , Guotai Wang

Recently, neural network for scene flow estimation show impressive results on automotive data such as the KITTI benchmark. However, despite of using sophisticated rigidity assumptions and parametrizations, such networks are typically…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Lukas Mehl , Azin Jahedi , Jenny Schmalfuss , Andrés Bruhn

RGB-to-RAW reconstruction, or the reverse modeling of a camera Image Signal Processing (ISP) pipeline, aims to recover high-fidelity RAW data from RGB images. Despite notable progress, existing learning-based methods typically treat this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Zhen Liu , Diedong Feng , Hai Jiang , Liaoyuan Zeng , Hao Wang , Chaoyu Feng , Lei Lei , Bing Zeng , Shuaicheng Liu

Vision transformers have recently made a breakthrough in computer vision showing excellent performance in terms of precision for numerous applications. However, their computational cost is very high compared to alternative approaches such…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Martial Guidez , Stefan Duffner , Christophe Garcia

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

Radar target recognition (RTR), as a key technology of intelligent radar systems, has been well investigated. Accurate RTR at low signal-to-noise ratios (SNRs) still remains an open challenge. Most existing methods are based on a single…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Han Meng , Yuexing Peng , Wei Xiang , Xu Pang , Wenbo Wang

The objective of this work is to improve the accuracy of building demand forecasting. This is a more challenging task than grid level forecasting. For the said purpose, we develop a new technique called recurrent transform learning (RTL).…

Machine Learning · Computer Science 2019-12-12 Megha Gupta , Angshul Majumdar

Monocular scene flow estimation aims to recover dense 3D motion from image sequences, yet most existing methods are limited to two-frame inputs, restricting temporal modeling and robustness to occlusions. We propose RAFT-MSF++, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xunpei Sun , Zuoxun Hou , Yi Chang , Gang Chen , Wei-Shi Zheng

To apply optical flow in practice, it is often necessary to resize the input to smaller dimensions in order to reduce computational costs. However, downsizing inputs makes the estimation more challenging because objects and motion ranges…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Hyunyoung Jung , Zhuo Hui , Lei Luo , Haitao Yang , Feng Liu , Sungjoo Yoo , Rakesh Ranjan , Denis Demandolx

The task of hot-refresh model upgrades of image retrieval systems plays an essential role in the industry but has never been investigated in academia before. Conventional cold-refresh model upgrades can only deploy new models after the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Binjie Zhang , Yixiao Ge , Yantao Shen , Yu Li , Chun Yuan , Xuyuan Xu , Yexin Wang , Ying Shan

Estimating per-pixel motion between video frames, known as optical flow, is a long-standing problem in video understanding and analysis. Most contemporary optical flow techniques largely focus on addressing the cross-image matching with…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Ao Luo , Fan Yang , Kunming Luo , Xin Li , Haoqiang Fan , Shuaicheng Liu

We propose a new pipeline for optical flow computation, based on Deep Learning techniques. We suggest using a Siamese CNN to independently, and in parallel, compute the descriptors of both images. The learned descriptors are then compared…

Computer Vision and Pattern Recognition · Computer Science 2016-04-12 David Gadot , Lior Wolf

Deep learning-based image enhancement methods face a fundamental trade-off between computational efficiency and representational capacity. For example, although a conventional three-dimensional Look-Up Table (3D LUT) can process a degraded…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Liubing Hu , Chen Wu , Anrui Wang , Dianjie Lu , Guijuan Zhang , Zhuoran Zheng

Multimodal image matching is an important prerequisite for multisource image information fusion. Compared with the traditional matching problem, multimodal feature matching is more challenging due to the severe nonlinear radiation…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Jiayuan Li , Pengcheng Shi , Qingwu Hu , Yongjun Zhang

Tracking-Any-Point (TAP) models aim to track any point through a video which is a crucial task in AR/XR and robotics applications. The recently introduced TAPNext approach proposes an end-to-end, recurrent transformer architecture to track…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Sebastian Jung , Artem Zholus , Martin Sundermeyer , Carl Doersch , Ross Goroshin , David Joseph Tan , Sarath Chandar , Rudolph Triebel , Federico Tombari

Predicting click-through rates (CTR) is a fundamental task for Web applications, where a key issue is to devise effective models for feature interactions. Current methodologies predominantly concentrate on modeling feature interactions…

Information Retrieval · Computer Science 2024-04-08 Yushen Li , Jinpeng Wang , Tao Dai , Jieming Zhu , Jun Yuan , Rui Zhang , Shu-Tao Xia

FlowNet2, the state-of-the-art convolutional neural network (CNN) for optical flow estimation, requires over 160M parameters to achieve accurate flow estimation. In this paper we present an alternative network that outperforms FlowNet2 on…

Computer Vision and Pattern Recognition · Computer Science 2018-05-24 Tak-Wai Hui , Xiaoou Tang , Chen Change Loy

The Fast Fourier Transform(FFT) is a classic signal processing algorithm that is utilized in a wide range of applications. For image processing, FFT computes on every pixel's value of an image, regardless of their properties in frequency…

Signal Processing · Electrical Eng. & Systems 2020-02-25 Sheng Shi , Runkai Yang , Haihang You