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Recently, semantic video segmentation gained high attention especially for supporting autonomous driving systems. Deep learning methods made it possible to implement real time segmentation and object identification algorithms on videos.…

Image and Video Processing · Electrical Eng. & Systems 2019-10-30 Beril Sirmacek , Nicolò Botteghi , Santiago Sanchez Escalonilla Plaza

In this paper, we present a novel perceptual consistency perspective on video semantic segmentation, which can capture both temporal consistency and pixel-wise correctness. Given two nearby video frames, perceptual consistency measures how…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Yizhe Zhang , Shubhankar Borse , Hong Cai , Ying Wang , Ning Bi , Xiaoyun Jiang , Fatih Porikli

Scene recognition is currently one of the top-challenging research fields in computer vision. This may be due to the ambiguity between classes: images of several scene classes may share similar objects, which causes confusion among them.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-28 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós , Álvaro García-Martín

Temporal convolution has been widely used for video classification. However, it is performed on spatio-temporal contexts in a limited view, which often weakens its capacity of learning video representation. To alleviate this problem, we…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Xianhang Li , Yali Wang , Zhipeng Zhou , Yu Qiao

Temporal action segmentation is a topic of increasing interest, however, annotating each frame in a video is cumbersome and costly. Weakly supervised approaches therefore aim at learning temporal action segmentation from videos that are…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Mohsen Fayyaz , Juergen Gall

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

This paper presents a novel approach for temporal and semantic segmentation of edited videos into meaningful segments, from the point of view of the storytelling structure. The objective is to decompose a long video into more manageable…

Computer Vision and Pattern Recognition · Computer Science 2016-11-11 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

We study the problem of segmenting moving objects in unconstrained videos. Given a video, the task is to segment all the objects that exhibit independent motion in at least one frame. We formulate this as a learning problem and design our…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Pavel Tokmakov , Cordelia Schmid , Karteek Alahari

Semantic segmentation has recently witnessed major progress, where fully convolutional neural networks have shown to perform well. However, most of the previous work focused on improving single image segmentation. To our knowledge, no prior…

Computer Vision and Pattern Recognition · Computer Science 2016-11-23 Mennatullah Siam , Sepehr Valipour , Martin Jagersand , Nilanjan Ray

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

Recently, substantial research effort has focused on how to apply CNNs or RNNs to better extract temporal patterns from videos, so as to improve the accuracy of video classification. In this paper, however, we show that temporal…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Xiang Long , Chuang Gan , Gerard de Melo , Jiajun Wu , Xiao Liu , Shilei Wen

We introduce a cutting-edge video compression framework tailored for the age of ubiquitous video data, uniquely designed to serve machine learning applications. Unlike traditional compression methods that prioritize human visual perception,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Huan Cui , Qing Li , Hanling Wang , Yong jiang

In semantic video segmentation the goal is to acquire consistent dense semantic labelling across image frames. To this end, recent approaches have been reliant on manually arranged operations applied on top of static semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Vladimir Nekrasov , Hao Chen , Chunhua Shen , Ian Reid

We address the problem of capturing temporal information for video classification in 2D networks, without increasing their computational cost. Existing approaches focus on modifying the architecture of 2D networks (e.g. by including filters…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Kiyoon Kim , Shreyank N Gowda , Oisin Mac Aodha , Laura Sevilla-Lara

Despite the success of deep learning for static image understanding, it remains unclear what are the most effective network architectures for the spatial-temporal modeling in videos. In this paper, in contrast to the existing CNN+RNN or…

Computer Vision and Pattern Recognition · Computer Science 2018-12-12 Dongliang He , Zhichao Zhou , Chuang Gan , Fu Li , Xiao Liu , Yandong Li , Limin Wang , Shilei Wen

Temporally locating and classifying action segments in long untrimmed videos is of particular interest to many applications like surveillance and robotics. While traditional approaches follow a two-step pipeline, by generating frame-wise…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Yazan Abu Farha , Juergen Gall

In this work, we address the challenging video scene parsing problem by developing effective representation learning methods given limited parsing annotations. In particular, we contribute two novel methods that constitute a unified parsing…

Computer Vision and Pattern Recognition · Computer Science 2016-12-14 Xiaojie Jin , Xin Li , Huaxin Xiao , Xiaohui Shen , Zhe Lin , Jimei Yang , Yunpeng Chen , Jian Dong , Luoqi Liu , Zequn Jie , Jiashi Feng , Shuicheng Yan

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

Despite the steady progress in video analysis led by the adoption of convolutional neural networks (CNNs), the relative improvement has been less drastic as that in 2D static image classification. Three main challenges exist including…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Saining Xie , Chen Sun , Jonathan Huang , Zhuowen Tu , Kevin Murphy

Dense video captioning is an extremely challenging task since accurate and coherent description of events in a video requires holistic understanding of video contents as well as contextual reasoning of individual events. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jonghwan Mun , Linjie Yang , Zhou Ren , Ning Xu , Bohyung Han