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We introduce a video compression algorithm based on instance-adaptive learning. On each video sequence to be transmitted, we finetune a pretrained compression model. The optimal parameters are transmitted to the receiver along with the…

图像与视频处理 · 电气工程与系统科学 2023-06-26 Ties van Rozendaal , Johann Brehmer , Yunfan Zhang , Reza Pourreza , Auke Wiggers , Taco S. Cohen

Deep video compression has made significant progress in recent years, achieving rate-distortion performance that surpasses that of traditional video compression methods. However, rate control schemes tailored for deep video compression have…

多媒体 · 计算机科学 2025-05-09 Bowen Gu , Hao Chen , Ming Lu , Jie Yao , Zhan Ma

Traditional place categorization approaches in robot vision assume that training and test images have similar visual appearance. Therefore, any seasonal, illumination and environmental changes typically lead to severe degradation in…

机器人学 · 计算机科学 2018-05-31 Massimiliano Mancini , Samuel Rota Bulò , Barbara Caputo , Elisa Ricci

Deep motion forecasting models have achieved great success when trained on a massive amount of data. Yet, they often perform poorly when training data is limited. To address this challenge, we propose a transfer learning approach for…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Parth Kothari , Danya Li , Yuejiang Liu , Alexandre Alahi

Recent research has shown that temporal downsampling of high-frame-rate sequences can be exploited to improve the rate-distortion performance in video coding. However, until now, research only targeted downsampling factors of powers of two,…

图像与视频处理 · 电气工程与系统科学 2022-09-22 Christian Herglotz , Geetha Ramasubbu , André Kaup

Domain adaptation, a pivotal branch of transfer learning, aims to enhance the performance of machine learning models when deployed in target domains with distinct data distributions. This is particularly critical for object detection tasks,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Helia Mohamadi , Mohammad Ali Keyvanrad , Mohammad Reza Mohammadi

Low-Rank Adaptation (LoRA) lowers the computational and memory overhead of fine-tuning large models by updating a low-dimensional subspace of the pre-trained weight matrix. Albeit efficient, LoRA exhibits suboptimal convergence and…

机器学习 · 计算机科学 2026-02-25 Yilang Zhang , Bingcong Li , Georgios B. Giannakis

Cross-modal video retrieval aims to retrieve the semantically relevant videos given a text as a query, and is one of the fundamental tasks in Multimedia. Most of top-performing methods primarily leverage Visual Transformer (ViT) to extract…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ning Han , Xun Yang , Ee-Peng Lim , Hao Chen , Qianru Sun

In order to be able to deliver today's voluminous amount of video contents through limited bandwidth channels in a perceptually optimal way, it is important to consider perceptual trade-offs of compression and space-time downsampling…

图像与视频处理 · 电气工程与系统科学 2021-04-01 Dae Yeol Lee , Hyunsuk Ko , Jongho Kim , Alan C. Bovik

Learning transferable and domain adaptive feature representations from videos is important for video-relevant tasks such as action recognition. Existing video domain adaptation methods mainly rely on adversarial feature alignment, which has…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Donghyun Kim , Yi-Hsuan Tsai , Bingbing Zhuang , Xiang Yu , Stan Sclaroff , Kate Saenko , Manmohan Chandraker

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

信息论 · 计算机科学 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

As of today, object categorization algorithms are not able to achieve the level of robustness and generality necessary to work reliably in the real world. Even the most powerful convolutional neural network we can train fails to perform…

计算机视觉与模式识别 · 计算机科学 2015-03-27 Faraz Saeedan , Barbara Caputo

Deep neural networks have achieved remarkable success in computer vision tasks. Existing neural networks mainly operate in the spatial domain with fixed input sizes. For practical applications, images are usually large and have to be…

计算机视觉与模式识别 · 计算机科学 2020-04-02 Kai Xu , Minghai Qin , Fei Sun , Yuhao Wang , Yen-Kuang Chen , Fengbo Ren

Multi-class product counting and recognition identifies product items from images or videos for automated retail checkout. The task is challenging due to the real-world scenario of occlusions where product items overlap, fast movement in…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Md. Istiak Hossain Shihab , Nazia Tasnim , Hasib Zunair , Labiba Kanij Rupty , Nabeel Mohammed

Online learning policy makes visual trackers more robust against different distortions through learning domain-specific cues. However, the trackers adopting this policy fail to fully leverage the discriminative context of the background…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Hossein Kashiani , Amir Abbas Hamidi Imani , Shahriar Baradaran Shokouhi , Ahmad Ayatollahi

Deep learning-based methods deliver state-of-the-art performance for solving inverse problems that arise in computational imaging. These methods can be broadly divided into two groups: (1) learn a network to map measurements to the signal…

图像与视频处理 · 电气工程与系统科学 2023-10-11 Nebiyou Yismaw , Ulugbek S. Kamilov , M. Salman Asif

This study develops a graph search algorithm to find the optimal discrimination path for the binary classification problem. The objective function is defined as the difference of variations between the true positive (TP) and false positive…

机器学习 · 计算机科学 2024-01-10 Qinwu Xu

Prior work has shown that Visual Recognition datasets frequently underrepresent bias groups $B$ (\eg Female) within class labels $Y$ (\eg Programmers). This dataset bias can lead to models that learn spurious correlations between class…

计算机视觉与模式识别 · 计算机科学 2023-04-28 Maan Qraitem , Kate Saenko , Bryan A. Plummer

Deep homography estimation has broad applications in computer vision and robotics. Remarkable progresses have been achieved while the existing methods typically treat it as a direct regression or iterative refinement problem and often…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Mengfan He , Liangzheng Sun , Chunyu Li , Ziyang Meng

Training an effective video action recognition model poses significant computational challenges, particularly under limited resource budgets. Current methods primarily aim to either reduce model size or utilize pre-trained models, limiting…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Harry Cheng , Yangyang Guo , Liqiang Nie , Zhiyong Cheng , Mohan Kankanhalli