中文
相关论文

相关论文: STEC: A Reference-Free Spatio-Temporal Entropy Cov…

200 篇论文

In this work, we address the problem of measuring and predicting temporal video saliency - a metric which defines the importance of a video frame for human attention. Unlike the conventional spatial saliency which defines the location of…

人机交互 · 计算机科学 2020-02-13 Oleksii Sidorov , Marius Pedersen , Nam Wook Kim , Sumit Shekhar

Temporal action segmentation in untrimmed videos has gained increased attention recently. However, annotating action classes and frame-wise boundaries is extremely time consuming and cost intensive, especially on large-scale datasets. To…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Wei Lin , Anna Kukleva , Horst Possegger , Hilde Kuehne , Horst Bischof

As a vital topic in media content interpretation, video anomaly detection (VAD) has made fruitful progress via deep neural network (DNN). However, existing methods usually follow a reconstruction or frame prediction routine. They suffer…

计算机视觉与模式识别 · 计算机科学 2020-08-28 Guang Yu , Siqi Wang , Zhiping Cai , En Zhu , Chuanfu Xu , Jianping Yin , Marius Kloft

Accuracy of depth estimation from static images has been significantly improved recently, by exploiting hierarchical features from deep convolutional neural networks (CNNs). Compared with static images, vast information exists among video…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Haokui Zhang , Chunhua Shen , Ying Li , Yuanzhouhan Cao , Yu Liu , Youliang Yan

Autoregressive (AR) architectures have achieved significant successes in LLMs, inspiring explorations for video generation. In LLMs, top-p/top-k sampling strategies work exceptionally well: language tokens have high semantic density and low…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Yizhao Han , Tianxing Shi , Zhao Wang , Zifan Xu , Zhiyuan Pu , Mingxiao Li , Qian Zhang , Wei Yin , Xiao-Xiao Long

Video deraining is an important task in computer vision as the unwanted rain hampers the visibility of videos and deteriorates the robustness of most outdoor vision systems. Despite the significant success which has been achieved for video…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Kaihao Zhang , Dongxu Li , Wenhan Luo , Wenqi Ren , Wei Liu

Physicians use Capsule Endoscopy (CE) as a non-invasive and non-surgical procedure to examine the entire gastrointestinal (GI) tract for diseases and abnormalities. A single CE examination could last between 8 to 11 hours generating up to…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Sodiq Adewole , Philip Fernandes , James Jablonski , Andrew Copland , Michael Porter , Sana Syed , Donald Brown

Video Large Language Models (Video-LLMs) have recently shown strong performance in basic video understanding tasks, such as captioning and coarse-grained question answering, but struggle with compositional reasoning that requires multi-step…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Haiyi Qiu , Minghe Gao , Long Qian , Kaihang Pan , Qifan Yu , Juncheng Li , Wenjie Wang , Siliang Tang , Yueting Zhuang , Tat-Seng Chua

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks

Research on video frame interpolation has made significant progress in recent years. However, existing methods mostly use off-the-shelf metrics to measure the quality of interpolation results with the exception of a few methods that employ…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Qiqi Hou , Abhijay Ghildyal , Feng Liu

Fine-grained sparsity promises higher parametric capacity without proportional per-token compute, but often suffers from training instability, load balancing, and communication overhead. We introduce STEM (Scaling Transformers with…

Inaccurate optical flow estimates in and near occluded regions, and out-of-boundary regions are two of the current significant limitations of optical flow estimation algorithms. Recent state-of-the-art optical flow estimation algorithms are…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Fisseha Admasu Ferede , Madhusudhanan Balasubramanian

Video snapshot compressive imaging (SCI) captures multiple sequential video frames by a single measurement using the idea of computational imaging. The underlying principle is to modulate high-speed frames through different masks and these…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Lishun Wang , Miao Cao , Yong Zhong , Xin Yuan

We propose a new method to combine adaptive processes with a class of entropy estimators for the case of streams of data. Starting from a first estimation obtained from a batch of initial data, model parameters are estimated at each step by…

信号处理 · 电气工程与系统科学 2020-01-15 Mario Angelelli , Enrico Ciavolino , Paola Pasca

Optical Flow Estimation aims to find the 2D dense motion field between two frames. Due to the limitation of model structures and training datasets, existing methods often rely too much on local clues and ignore the integrity of objects,…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Shili Zhou , Ruian He , Weimin Tan , Bo Yan

Most existing video moment retrieval methods rely on temporal sequences of frame- or clip-level features that primarily encode global visual and semantic information. However, such representations often fail to capture fine-grained object…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Zongyao Li , Yongkang Wong , Satoshi Yamazaki , Jianquan Liu , Mohan Kankanhalli

This paper presents a class of new fast non-trainable entropy-based confidence estimation methods for automatic speech recognition. We show how per-frame entropy values can be normalized and aggregated to obtain a confidence measure per…

音频与语音处理 · 电气工程与系统科学 2023-02-09 Aleksandr Laptev , Boris Ginsburg

In this paper, we address the challenging problem of action recognition, using event-based cameras. To recognise most gestural actions, often higher temporal precision is required for sampling visual information. Actions are defined by…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Rohan Ghosh , Anupam Gupta , Andrei Nakagawa , Alcimar Soares , Nitish Thakor

We present a novel method for multi-view depth estimation from a single video, which is a critical task in various applications, such as perception, reconstruction and robot navigation. Although previous learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Xiaoxiao Long , Lingjie Liu , Wei Li , Christian Theobalt , Wenping Wang

Spatio-temporal predictive learning plays a crucial role in self-supervised learning, with wide-ranging applications across a diverse range of fields. Previous approaches for temporal modeling fall into two categories: recurrent-based and…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Cheng Tan , Jue Wang , Zhangyang Gao , Siyuan Li , Stan Z. Li