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In this paper we present a new computer vision task, named video instance segmentation. The goal of this new task is simultaneous detection, segmentation and tracking of instances in videos. In words, it is the first time that the image…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Linjie Yang , Yuchen Fan , Ning Xu

We propose a novel video object segmentation algorithm based on pixel-level matching using Convolutional Neural Networks (CNN). Our network aims to distinguish the target area from the background on the basis of the pixel-level similarity…

计算机视觉与模式识别 · 计算机科学 2017-08-18 Jae Shin Yoon , Francois Rameau , Junsik Kim , Seokju Lee , Seunghak Shin , In So Kweon

Every hour, huge amounts of visual contents are posted on social media and user-generated content platforms. To find relevant videos by means of a natural language query, text-video retrieval methods have received increased attention over…

计算机视觉与模式识别 · 计算机科学 2022-08-04 Alex Falcon , Giuseppe Serra , Oswald Lanz

In this paper, we propose a method for ensembling the outputs of multiple object detectors for improving detection performance and precision of bounding boxes on image data. We further extend it to video data by proposing a two-stage…

计算机视觉与模式识别 · 计算机科学 2021-02-10 Kateryna Chumachenko , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

While deep neural networks have achieved remarkable performance, data augmentation has emerged as a crucial strategy to mitigate overfitting and enhance network performance. These techniques hold particular significance in industrial…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Hyungmin Kim , Donghun Kim , Pyunghwan Ahn , Sungho Suh , Hansang Cho , Junmo Kim

We propose an efficient plug-and-play acceleration framework for semi-supervised video object segmentation by exploiting the temporal redundancies in videos presented by the compressed bitstream. Specifically, we propose a motion…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Kai Xu , Angela Yao

Weakly supervised instance segmentation reduces the cost of annotations required to train models. However, existing approaches which rely only on image-level class labels predominantly suffer from errors due to (a) partial segmentation of…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Qing Liu , Vignesh Ramanathan , Dhruv Mahajan , Alan Yuille , Zhenheng Yang

Online video object segmentation is a challenging task as it entails to process the image sequence timely and accurately. To segment a target object through the video, numerous CNN-based methods have been developed by heavily finetuning on…

计算机视觉与模式识别 · 计算机科学 2018-06-07 Jingchun Cheng , Yi-Hsuan Tsai , Wei-Chih Hung , Shengjin Wang , Ming-Hsuan Yang

Convolutional neural networks for visual recognition require large amounts of training samples and usually benefit from data augmentation. This paper proposes PatchMix, a data augmentation method that creates new samples by composing…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Paola Cascante-Bonilla , Arshdeep Sekhon , Yanjun Qi , Vicente Ordonez

Creating and labelling datasets of videos for use in training Human Activity Recognition models is an arduous task. In this paper, we approach this by using 3D rendering tools to generate a synthetic dataset of videos, and show that a…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Ollie Matthews , Koki Ryu , Tarun Srivastava

Instance segmentation is a challenging task aiming at classifying and segmenting all object instances of specific classes. While two-stage box-based methods achieve top performances in the image domain, they cannot easily extend their…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Xiang Li , Jinglu Wang , Xiao Li , Yan Lu

Compared with object detection in static images, object detection in videos is more challenging due to degraded image qualities. An effective way to address this problem is to exploit temporal contexts by linking the same object across…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Peng Tang , Chunyu Wang , Xinggang Wang , Wenyu Liu , Wenjun Zeng , Jingdong Wang

Most existing approaches to video instance segmentation comprise multiple modules that are heuristically combined to produce the final output. Formulating a purely learning-based method instead, which models both the temporal aspect as well…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Joakim Johnander , Emil Brissman , Martin Danelljan , Michael Felsberg

Convolutional networks reach top quality in pixel-level video object segmentation but require a large amount of training data (1k~100k) to deliver such results. We propose a new training strategy which achieves state-of-the-art results…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Anna Khoreva , Rodrigo Benenson , Eddy Ilg , Thomas Brox , Bernt Schiele

Detecting and recognizing human action in videos with crowded scenes is a challenging problem due to the complex environment and diversity events. Prior works always fail to deal with this problem in two aspects: (1) lacking utilizing…

计算机视觉与模式识别 · 计算机科学 2020-10-19 Li Yuan , Yichen Zhou , Shuning Chang , Ziyuan Huang , Yunpeng Chen , Xuecheng Nie , Tao Wang , Jiashi Feng , Shuicheng Yan

In this work, we present a new computer vision task named video object of interest segmentation (VOIS). Given a video and a target image of interest, our objective is to simultaneously segment and track all objects in the video that are…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Siyuan Zhou , Chunru Zhan , Biao Wang , Tiezheng Ge , Yuning Jiang , Li Niu

As the number of installed cameras grows, so do the compute resources required to process and analyze all the images captured by these cameras. Video analytics enables new use cases, such as smart cities or autonomous driving. At the same…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Daniel Rivas , Francesc Guim , Jordà Polo , David Carrera

The primary challenge in Video Object Detection (VOD) is effectively exploiting temporal information to enhance object representations. Traditional strategies, such as aggregating region proposals, often suffer from feature variance due to…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Khurram Azeem Hashmi , Talha Uddin Sheikh , Didier Stricker , Muhammad Zeshan Afzal

Although dense local spatial-temporal features with bag-of-features representation achieve state-of-the-art performance for action recognition, the huge feature number and feature size prevent current methods from scaling up to real size…

计算机视觉与模式识别 · 计算机科学 2015-01-29 Youjie Zhou , Hongkai Yu , Song Wang

We introduce a novel robotic system for improving unseen object instance segmentation in the real world by leveraging long-term robot interaction with objects. Previous approaches either grasp or push an object and then obtain the…