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Semantic segmentation is one of the core tasks in the field of computer vision, and its goal is to accurately classify each pixel in an image. The traditional Unet model achieves efficient feature extraction and fusion through an…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Xuan Li , Quanchao Lu , Yankaiqi Li , Muqing Li , Yijiashun Qi

Visual intelligence at the edge is becoming a growing necessity for low latency applications and situations where real-time decision is vital. Object detection, the first step in visual data analytics, has enjoyed significant improvements…

计算机视觉与模式识别 · 计算机科学 2019-11-15 George Plastiras , Christos Kyrkou , Theocharis Theocharides

Visual localization for planar moving robot is important to various indoor service robotic applications. To handle the textureless areas and frequent human activities in indoor environments, a novel robust visual localization algorithm…

机器人学 · 计算机科学 2020-11-03 Yanmei Jiao , Lilu Liu , Bo Fu , Xiaqing Ding , Minhang Wang , Yue Wang , Rong Xiong

In this paper we study the application of convolutional neural networks for jointly detecting objects depicted in still images and estimating their 3D pose. We identify different feature representations of oriented objects, and energies…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Francisco Massa , Mathieu Aubry , Renaud Marlet

Augmented reality aims to enrich our real world by inserting 3D virtual objects. In order to accomplish this goal, it is important that virtual elements are rendered and aligned in the real scene in an accurate and visually acceptable way.…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Hayet Belghit , Abdelkader Bellarbi , Nadia Zenati , Samir Otmane

For several emerging technologies such as augmented reality, autonomous driving and robotics, visual localization is a critical component. Directly regressing camera pose/3D scene coordinates from the input image using deep neural networks…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Shuzhe Wang , Zakaria Laskar , Iaroslav Melekhov , Xiaotian Li , Juho Kannala

Visual localization, which estimates a camera's pose within a known scene, is a fundamental capability for autonomous systems. While absolute pose regression (APR) methods have shown promise for efficient inference, they often struggle with…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Sihang Li , Siqi Tan , Bowen Chang , Jing Zhang , Chen Feng , Yiming Li

A complex visual navigation task puts an agent in different situations which call for a diverse range of visual perception abilities. For example, to "go to the nearest chair", the agent might need to identify a chair in a living room using…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Bokui Shen , Danfei Xu , Yuke Zhu , Leonidas J. Guibas , Li Fei-Fei , Silvio Savarese

We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

计算机视觉与模式识别 · 计算机科学 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

6D object pose estimation is an important task that determines the 3D position and 3D rotation of an object in camera-centred coordinates. By utilizing such a task, one can propose promising solutions for various problems related to scene…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Caner Sahin , Guillermo Garcia-Hernando , Juil Sock , Tae-Kyun Kim

In this paper, we explore the spatial redundancy in video recognition with the aim to improve the computational efficiency. It is observed that the most informative region in each frame of a video is usually a small image patch, which…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Yulin Wang , Zhaoxi Chen , Haojun Jiang , Shiji Song , Yizeng Han , Gao Huang

Visual localization aims to determine the camera pose of a query image relative to a database of posed images. In recent years, deep neural networks that directly regress camera poses have gained popularity due to their fast inference…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Siyan Dong , Shuzhe Wang , Shaohui Liu , Lulu Cai , Qingnan Fan , Juho Kannala , Yanchao Yang

High-precision vehicle localization with commercial setups is a crucial technique for high-level autonomous driving tasks. Localization with a monocular camera in LiDAR map is a newly emerged approach that achieves promising balance between…

机器人学 · 计算机科学 2023-05-09 Jinyu Miao , Kun Jiang , Yunlong Wang , Tuopu Wen , Zhongyang Xiao , Zheng Fu , Mengmeng Yang , Maolin Liu , Diange Yang

Localization defines a term to describe the identifying process of a location within the space of two-dimensional (2D) space or three-dimensional (3D). A localization scheme is an important concern for connecting sensor nodes in remote…

信号处理 · 电气工程与系统科学 2019-08-26 Md Tanvir Hossan

Visual-based recognition, e.g., image classification, object detection, etc., is a long-standing challenge in computer vision and robotics communities. Concerning the roboticists, since the knowledge of the environment is a prerequisite for…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Antonios Gasteratos , Konstantinos A. Tsintotas , Tobias Fischer , Yiannis Aloimonos , Michael Milford

3D visual grounding aims to localize the target object in a 3D point cloud by a free-form language description. Typically, the sentences describing the target object tend to provide information about its relative relation between other…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Zehan Wang , Haifeng Huang , Yang Zhao , Linjun Li , Xize Cheng , Yichen Zhu , Aoxiong Yin , Zhou Zhao

Keypoint detection and description is fundamental yet important in many vision applications. Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Siyu Hong , Kunhong Li , Yongcong Zhang , Zhiheng Fu , Mengyi Liu , Yulan Guo

One of the core activities of an active observer involves moving to secure a "better" view of the scene, where the definition of "better" is task-dependent. This paper focuses on the task of human pose estimation from videos capturing a…

机器人学 · 计算机科学 2024-07-03 Jingxi Chen , Botao He , Chahat Deep Singh , Cornelia Fermuller , Yiannis Aloimonos

Camera pose estimation in known scenes is a 3D geometry task recently tackled by multiple learning algorithms. Many regress precise geometric quantities, like poses or 3D points, from an input image. This either fails to generalize to new…

Localization is the problem of estimating the location of an autonomous agent from an observation and a map of the environment. Traditional methods of localization, which filter the belief based on the observations, are sub-optimal in the…

机器学习 · 计算机科学 2018-01-29 Devendra Singh Chaplot , Emilio Parisotto , Ruslan Salakhutdinov