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Hypothesis. Artificial general intelligence is, at its core, a compression problem. Effective compression demands resonance: deep learning scales best when its architecture aligns with the fundamental structure of the data. These are the…

Recently, one-stage detectors have achieved competitive accuracy and faster speed compared with traditional two-stage detectors on image data. However, in the field of video object detection (VOD), most existing VOD methods are still based…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Guanxiong Sun , Yang Hua , Guosheng Hu , Neil Robertson

We introduce here a predictive coding based model that aims to generate accurate and sharp future frames. Inspired by the predictive coding hypothesis and related works, the total model is updated through a combination of bottom-up and…

计算机视觉与模式识别 · 计算机科学 2023-05-12 Chaofan Ling , Weihua Li , Junpei Zhong

Almost all digital videos are coded into compact representations before being transmitted. Such compact representations need to be decoded back to pixels before being displayed to humans and - as usual - before being enhanced/analyzed by…

图像与视频处理 · 电气工程与系统科学 2023-11-03 Xihua Sheng , Li Li , Dong Liu , Houqiang Li

Most of existing video action recognition models ingest raw RGB frames. However, the raw video stream requires enormous storage and contains significant temporal redundancy. Video compression (e.g., H.264, MPEG-4) reduces superfluous…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Zhengwei Wang , Qi She , Aljosa Smolic

Typical video compression systems consist of two main modules: motion coding and residual coding. This general architecture is adopted by classical coding schemes (such as international standards H.265 and H.266) and deep learning-based…

计算机视觉与模式识别 · 计算机科学 2023-04-07 David Alexandre , Hsueh-Ming Hang , Wen-Hsiao Peng

In this paper, we propose a weakly supervised deep temporal encoding-decoding solution for anomaly detection in surveillance videos using multiple instance learning. The proposed approach uses both abnormal and normal video clips during the…

计算机视觉与模式识别 · 计算机科学 2021-01-06 Ammar Mansoor Kamoona , Amirali Khodadadian Gosta , Alireza Bab-Hadiashar , Reza Hoseinnezhad

Recent advances of video captioning often employ a recurrent neural network (RNN) as the decoder. However, RNN is prone to diluting long-term information. Recent works have demonstrated memory network (MemNet) has the advantage of storing…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Aming Wu , Yahong Han

Deep learning models have been widely used for anomaly detection in surveillance videos. Typical models are equipped with the capability to reconstruct normal videos and evaluate the reconstruction errors on anomalous videos to indicate the…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Xianlin Zeng , Yalong Jiang , Wenrui Ding , Hongguang Li , Yafeng Hao , Zifeng Qiu

Anomaly detection is a challenging problem in intelligent video surveillance. Most existing methods are computation consuming, which cannot satisfy the real-time requirement. In this paper, we propose a real-time anomaly detection framework…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Huihui Zhu , Bin Liu , Guojun Yin , Yan Lu , Weihai Li , Nenghai Yu

Typical deep neural video compression networks usually follow the hybrid approach of classical video coding that contains two separate modules: motion coding and residual coding. In addition, a symmetric auto-encoder is often used as a…

图像与视频处理 · 电气工程与系统科学 2024-11-27 Van Thang Nguyen

Deep learning-based video compression is a challenging task, and many previous state-of-the-art learning-based video codecs use optical flows to exploit the temporal correlation between successive frames and then compress the residual…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Wufei Ma , Jiahao Li , Bin Li , Yan Lu

Learning based video compression attracts increasing attention in the past few years. The previous hybrid coding approaches rely on pixel space operations to reduce spatial and temporal redundancy, which may suffer from inaccurate motion…

图像与视频处理 · 电气工程与系统科学 2021-08-24 Zhihao Hu , Guo Lu , Dong Xu

Video content is watched not only by humans, but increasingly also by machines. For example, machine learning models analyze surveillance video for security and traffic monitoring, search through YouTube videos for inappropriate content,…

图像与视频处理 · 电气工程与系统科学 2022-08-05 Hyomin Choi , Ivan V. Bajić

A big part of the video content we consume from video providers consists of genres featuring low-light aesthetics. Low light sequences have special characteristics, such as spatio-temporal varying acquisition noise and light flickering,…

图像与视频处理 · 电气工程与系统科学 2021-09-17 Nantheera Anantrasirichai , Fan Zhang , Alexandra Malyugina , Paul Hill , Angeliki Katsenou

We propose a very simple and efficient video compression framework that only focuses on modeling the conditional entropy between frames. Unlike prior learning-based approaches, we reduce complexity by not performing any form of explicit…

图像与视频处理 · 电气工程与系统科学 2020-08-24 Jerry Liu , Shenlong Wang , Wei-Chiu Ma , Meet Shah , Rui Hu , Pranaab Dhawan , Raquel Urtasun

As video transmission increasingly serves machine vision systems (MVS) instead of human vision systems (HVS), video coding for machines (VCM) has become a critical research topic. Existing VCM methods often bind codecs to specific…

图像与视频处理 · 电气工程与系统科学 2025-11-04 Yuxiao Sun , Meiqin Liu , Chao Yao , Qi Tang , Jian Jin , Weisi Lin , Frederic Dufaux , Yao Zhao

The use of Recurrent Neural Networks for video captioning has recently gained a lot of attention, since they can be used both to encode the input video and to generate the corresponding description. In this paper, we present a recurrent…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

In the learning based video compression approaches, it is an essential issue to compress pixel-level optical flow maps by developing new motion vector (MV) encoders. In this work, we propose a new framework called Resolution-adaptive Flow…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Zhihao Hu , Zhenghao Chen , Dong Xu , Guo Lu , Wanli Ouyang , Shuhang Gu

Video stabilization is an in-camera processing commonly applied by modern acquisition devices. While significantly improving the visual quality of the resulting videos, it has been shown that such operation typically hinders the forensic…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Andrea Montibeller , Cecilia Pasquini , Giulia Boato , Stefano Dell'Anna , Fernando Pérez-González