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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…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Chaofan Ling , Weihua Li , Junpei Zhong

Video Large Language Models (VLLMs) incur substantial prefilling cost due to the large number of visual tokens. While attention-based token pruning offers a promising acceleration strategy, applying it at shallow decoder layers often causes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Yingjie Xia , Tao Liu , Jinglei Shi , Qingsong Xie , Heng Guo , Jian Yang , Xi Wang

The practical application of Multimodal Large Language Models (MLLMs) to Video Question Answering (Video-QA) is severely hindered by the high token cost of processing numerous video frames. While keyframe selection is the dominant strategy…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Shaoguang Wang , Weiyu Guo , Ziyang Chen , Yijie Xu , Xuming Hu , Hui Xiong

This paper developed a brightness enhancement technique for video frame pixel intensity improvement. Frames extracted from the six sample video data used in this work were stored in the form of images in a buffer. Noise was added to the…

Multimedia · Computer Science 2019-02-14 H. A. Abdulkareem , A. M. S. Tekanyi , I. Yau , B. O. Sadiq

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

A versatile video depth estimation model should (1) be accurate and consistent across frames, (2) produce high-resolution depth maps, and (3) support real-time streaming. We propose FlashDepth, a method that satisfies all three…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Gene Chou , Wenqi Xian , Guandao Yang , Mohamed Abdelfattah , Bharath Hariharan , Noah Snavely , Ning Yu , Paul Debevec

Video super-resolution aims at generating a high-resolution video from its low-resolution counterpart. With the rapid rise of deep learning, many recently proposed video super-resolution methods use convolutional neural networks in…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Xiaohong Liu , Lingshi Kong , Yang Zhou , Jiying Zhao , Jun Chen

Mixed precision quantization (MPQ) is an effective quantization approach to achieve accuracy-complexity trade-off of neural network, through assigning different bit-widths to network activations and weights in each layer. The typical way of…

Machine Learning · Computer Science 2025-08-06 Haidong Kang , Lianbo Ma , Guo Yu , Shangce Gao

In this contribution, a novel spatio-temporal prediction algorithm for video coding is introduced. This algorithm exploits temporal as well as spatial redundancies for effectively predicting the signal to be encoded. To achieve this, the…

Image and Video Processing · Electrical Eng. & Systems 2022-07-05 Jürgen Seiler , André Kaup

Recent progress in blind face restoration has resulted in producing high-quality restored results for static images. However, efforts to extend these advancements to video scenarios have been minimal, partly because of the absence of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zhouxia Wang , Jiawei Zhang , Xintao Wang , Tianshui Chen , Ying Shan , Wenping Wang , Ping Luo

In an adaptive bitrate streaming application, the efficiency of video compression and the encoded video quality depend on both the video codec and the quality metric used to perform encoding optimization. The development of such a quality…

Image and Video Processing · Electrical Eng. & Systems 2024-04-11 Yixu Chen , Zaixi Shang , Hai Wei , Yongjun Wu , Sriram Sethuraman

Transmission of video over a limited bandwidth network is challenging due to the natural variability of video, and link characteristics. Video smoothing techniques can be used to facilitate more effective transmission and to preserve better…

Networking and Internet Architecture · Computer Science 2011-05-30 Khaled Shuaib , Farag Sallabi , Liren Zhang

Diffusion-based super-resolution (SR) is a key component in video generation and video restoration, but is slow and expensive, limiting scalability to higher resolutions and longer videos. Our key insight is that many regions in video are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Rohan Choudhury , Shanchuan Lin , Jianyi Wang , Hao Chen , Qi Zhao , Feng Cheng , Lu Jiang , Kris Kitani , Laszlo A. Jeni

This work aims to improve unsupervised audio-visual pre-training. Inspired by the efficacy of data augmentation in visual contrastive learning, we propose a novel speed co-augmentation method that randomly changes the playback speeds of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Jiangliu Wang , Jianbo Jiao , Yibing Song , Stephen James , Zhan Tong , Chongjian Ge , Pieter Abbeel , Yun-hui Liu

Neural networks have shown great abilities in estimating depth from a single image. However, the inferred depth maps are well below one-megapixel resolution and often lack fine-grained details, which limits their practicality. Our method…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 S. Mahdi H. Miangoleh , Sebastian Dille , Long Mai , Sylvain Paris , Yağız Aksoy

Despite video forecasting has been a widely explored topic in recent years, the mainstream of the existing work still limits their models with a single prediction space but completely neglects the way to leverage their model with…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Mengcheng Lan , Shuliang Ning , Yanran Li , Qian Chen , Xunlai Chen , Xiaoguang Han , Shuguang Cui

Internet traffic is dramatically increasing with the development of network technologies and video streaming traffic accounts for large amount within the total traffic, which reveals the importance to guarantee the quality of content…

Networking and Internet Architecture · Computer Science 2023-10-24 Bo Wei , Hang Song , Makoto Nakamura , Koichi Kimura , Nozomu Togawa , Jiro Katto

Video super-resolution, which aims at producing a high-resolution video from its corresponding low-resolution version, has recently drawn increasing attention. In this work, we propose a novel method that can effectively incorporate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Takashi Isobe , Songjiang Li , Xu Jia , Shanxin Yuan , Gregory Slabaugh , Chunjing Xu , Ya-Li Li , Shengjin Wang , Qi Tian

This paper investigates the adaptive bitrate (ABR) video semantic communication over wireless networks. In the considered model, video sensing devices must transmit video semantic information to an edge server, to facilitate ubiquitous…

Networking and Internet Architecture · Computer Science 2023-08-02 Wentao Gong , Haonan Tong , Sihua Wang , Zhaohui Yang , Xinxin He , Changchuan Yin

Anomaly detection (AD) is a fundamental task in computer vision. It aims to identify incorrect image data patterns which deviate from the normal ones. Conventional methods generally address AD by preparing augmented negative samples to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jianjian Qin , Chunzhi Gu , Jun Yu , Chao Zhang