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Image-to-image translation (I2I), and particularly its subfield of appearance transfer, which seeks to alter the visual appearance between images while maintaining structural coherence, presents formidable challenges. Despite significant…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Yuteng Ye , Guanwen Li , Hang Zhou , Cai Jiale , Junqing Yu , Yawei Luo , Zikai Song , Qilong Xing , Youjia Zhang , Wei Yang

Deep learning models for channel estimation in Orthogonal Frequency Division Multiplexing (OFDM) systems often suffer from performance degradation under fast-fading channels and low-SNR scenarios. To address these limitations, we introduce…

Machine Learning · Computer Science 2025-05-15 Berkay Guler , Hamid Jafarkhani

Point tracking aims to localize corresponding points across video frames, serving as a fundamental task for 4D reconstruction, robotics, and video editing. Existing methods commonly rely on shallow convolutional backbones such as ResNet…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Soowon Son , Honggyu An , Chaehyun Kim , Hyunah Ko , Jisu Nam , Dahyun Chung , Siyoon Jin , Jung Yi , Jaewon Min , Junhwa Hur , Seungryong Kim

Dynamic graph signal processing provides a principled framework for analyzing time-varying data defined on irregular graph domains. However, existing joint time-vertex transforms such as the joint time-vertex fractional Fourier transform…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Manjun Cui , Ziqi Yan , Yangfan He , Zhichao Zhang

Current Video-LLM approaches for Video Temporal Grounding (VTG) typically rely on direct timestamp generation from an unstructured visual-token stream, often leading to brittle numerics and inconsistent boundaries. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Zelin Zheng , Xinyan Liu , Ruixin Li , Antoni B. Chan , Guorong Li , Qingming Huang , Laiyun Qing

Automated and accurate segmentation of individual vertebra in 3D CT and MRI images is essential for various clinical applications. Due to the limitations of current imaging techniques and the complexity of spinal structures, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Jian Shi , Tianqi You , Pingping Zhang , Hongli Zhang , Rui Xu , Haojie Li

Image deblurring plays a crucial role in enhancing visual clarity across various applications. Although most deep learning approaches primarily focus on sRGB images, which inherently lose critical information during the image signal…

Image and Video Processing · Electrical Eng. & Systems 2025-09-22 Wenlong Jiao , Binglong Li , Wei Shang , Ping Wang , Dongwei Ren

Video semantic segmentation aims to generate accurate semantic maps for each video frame. To this end, many works dedicate to integrate diverse information from consecutive frames to enhance the features for prediction, where a feature…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Jiafan Zhuang , Zilei Wang , Junjie Li

We present a neural network structure, FramePack, to train next-frame (or next-frame-section) prediction models for video generation. FramePack compresses input frame contexts with frame-wise importance so that more frames can be encoded…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Lvmin Zhang , Shengqu Cai , Muyang Li , Gordon Wetzstein , Maneesh Agrawala

The paper presents an alternative way to classical stereocorrelation. First, 2D image processing of random patterns is described. Sub-pixel displacements are determined using phase analysis. Then distortion evaluation is presented. The…

Classical Physics · Physics 2013-11-18 Jérôme Molimard , Gaetan Boyer , Hassan Zahouani

Deep Convolutional Neural Networks (CNNs) are powerful models that have achieved excellent performance on difficult computer vision tasks. Although CNNs perform well whenever large labeled training samples are available, they work badly on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Zhouyong Liu , Shun Luo , Wubin Li , Jingben Lu , Yufan Wu , Shilei Sun , Chunguo Li , Luxi Yang

Multi-frame video enhancement tasks aim to improve the spatial and temporal resolution and quality of video sequences by leveraging temporal information from multiple frames, which are widely used in streaming video processing,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 ZhanFeng Feng , Long Peng , Xin Di , Yong Guo , Wenbo Li , Yulun Zhang , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

Previous unsupervised domain adaptation methods did not handle the cross-domain problem from the perspective of frequency for computer vision. The images or feature maps of different domains can be decomposed into the low-frequency…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Zhaowen Li , Xu Zhao , Chaoyang Zhao , Ming Tang , Jinqiao Wang

Parameter-efficient fine-tuning (PEFT) has emerged as a popular solution for adapting pre-trained Vision Transformer (ViT) models to downstream applications by updating only a small subset of parameters. While current PEFT methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ting Liu , Xuyang Liu , Liangtao Shi , Zunnan Xu , Yue Hu , Siteng Huang , Yi Xin , Bineng Zhong , Donglin Wang

Capturing high-frequency data concerning the condition of complex systems, e.g. by acoustic monitoring, has become increasingly prevalent. Such high-frequency signals typically contain time dependencies ranging over different time scales…

Sound · Computer Science 2022-06-14 Gaetan Frusque , Olga Fink

Intelligent spectrum management is crucial for improving spectrum efficiency and achieving secure utilization of spectrum resources. However, existing intelligent spectrum management methods, typically based on small-scale models, suffer…

Signal Processing · Electrical Eng. & Systems 2025-12-16 Fuhui Zhou , Chunyu Liu , Hao Zhang , Wei Wu , Qihui Wu , Tony Q. S. Quek , Chan-Byoung Chae

Owing to their ability to extract relevant spatio-temporal video embeddings, Vision Transformers (ViTs) are currently the best performing models in video action understanding. However, their generalization over domains or datasets is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Hui Lu , Hu Jian , Ronald Poppe , Albert Ali Salah

Temporal awareness is essential for video large language models (LLMs) to understand and reason about events within long videos, enabling applications like dense video captioning and temporal video grounding in a unified system. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Andong Deng , Zhongpai Gao , Anwesa Choudhuri , Benjamin Planche , Meng Zheng , Bin Wang , Terrence Chen , Chen Chen , Ziyan Wu

Multimodal time series forecasting is crucial in real-world applications, where decisions depend on both numerical data and contextual signals. The core challenge is to effectively combine temporal numerical patterns with the context…

Machine Learning · Computer Science 2026-02-04 Huu Hiep Nguyen , Minh Hoang Nguyen , Dung Nguyen , Hung Le

We propose a deep learning based novel prediction framework for enhanced bandwidth reduction in motion transfer enabled video applications such as video conferencing, virtual reality gaming and privacy preservation for patient health…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Xue Bai , Tasmiah Haque , Sumit Mohan , Yuliang Cai , Byungheon Jeong , Adam Halasz , Srinjoy Das