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Object Detection has been a significant topic in computer vision. As the continuous development of Deep Learning, many advanced academic and industrial outcomes are established on localising and classifying the target objects, such as…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Yingwei Zhou

Recognising in what type of environment one is located is an important perception task. For instance, for a robot operating in indoors it is helpful to be aware whether it is in a kitchen, a hallway or a bedroom. Existing approaches attempt…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Shengyu Huang , Mikhail Usvyatsov , Konrad Schindler

Detecting 3D landmarks on cone-beam computed tomography (CBCT) is crucial to assessing and quantifying the anatomical abnormalities in 3D cephalometric analysis. However, the current methods are time-consuming and suffer from large biases…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Runnan Chen , Yuexin Ma , Nenglun Chen , Lingjie Liu , Zhiming Cui , Yanhong Lin , Wenping Wang

Context in image is crucial for scene labeling while existing methods only exploit local context generated from a small surrounding area of an image patch or a pixel, by contrast long-range and global contextual information is ignored. To…

计算机视觉与模式识别 · 计算机科学 2016-08-12 Heng Fan , Xue Mei , Danil Prokhorov , Haibin Ling

Scene graphs enhance 3D mapping capabilities in robotics by understanding the relationships between different spatial elements, such as rooms and objects. Recent research extends scene graphs to hierarchical layers, adding and leveraging…

机器人学 · 计算机科学 2025-10-20 Jeewon Kim , Minho Oh , Hyun Myung

In this paper, we use 2D object detections from multiple views to simultaneously estimate a 3D quadric surface for each object and localize the camera position. We derive a SLAM formulation that uses dual quadrics as 3D landmark…

机器人学 · 计算机科学 2018-08-20 Lachlan Nicholson , Michael Milford , Niko Sünderhauf

Accurate and robust visual localization under a wide range of viewing condition variations including season and illumination changes, as well as weather and day-night variations, is the key component for many computer vision and robotics…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Tianxin Shi , Shuhan Shen , Xiang Gao , Lingjie Zhu

In complex environments, low-cost and robust localization is a challenging problem. For example, in a GPSdenied environment, LiDAR can provide accurate position information, but the cost is high. In general, visual SLAM based localization…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Dong Han , Zuhao Zou , Lujia Wang , Cheng-Zhong Xu

Since the preparation of labeled data for training semantic segmentation networks of point clouds is a time-consuming process, weakly supervised approaches have been introduced to learn from only a small fraction of data. These methods are…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Gengxin Liu , Oliver van Kaick , Hui Huang , Ruizhen Hu

Recently, infrared small target detection (IRSTD) has been dominated by deep-learning-based methods. However, these methods mainly focus on the design of complex model structures to extract discriminative features, leaving the loss…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Qiankun Liu , Rui Liu , Bolun Zheng , Hongkui Wang , Ying Fu

Contrastive learning, which aims to capture general representation from unlabeled images to initialize the medical analysis models, has been proven effective in alleviating the high demand for expensive annotations. Current methods mainly…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Huai Chen , Renzhen Wang , Xiuying Wang , Jieyu Li , Qu Fang , Hui Li , Jianhao Bai , Qing Peng , Deyu Meng , Lisheng Wang

This paper presents a novel method of landslide detection by exploiting the Mask R-CNN capability of identifying an object layout by using a pixel-based segmentation, along with transfer learning used to train the proposed model. A data set…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Silvia Liberata Ullo , Amrita Mohan , Alessandro Sebastianelli , Shaik Ejaz Ahamed , Basant Kumar , Ramji Dwivedi , G. R. Sinha

As an important upstream task for many medical applications, supervised landmark localization still requires non-negligible annotation costs to achieve desirable performance. Besides, due to cumbersome collection procedures, the limited…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Zihao Yin , Ping Gong , Chunyu Wang , Yizhou Yu , Yizhou Wang

Camera relocalization is the key component of simultaneous localization and mapping (SLAM) systems. This paper proposes a learning-based approach, named Sparse Spatial Scene Embedding with Graph Neural Networks (S3E-GNN), as an end-to-end…

计算机视觉与模式识别 · 计算机科学 2022-05-13 Ran Cheng , Xinyu Jiang , Yuan Chen , Lige Liu , Tao Sun

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

We present a new method to relocalize the 6DOF pose of an event camera solely based on the event stream. Our method first creates the event image from a list of events that occurs in a very short time interval, then a Stacked Spatial LSTM…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Anh Nguyen , Thanh-Toan Do , Darwin G. Caldwell , Nikos G. Tsagarakis

Semantic segmentation is a powerful method to facilitate visual scene understanding. Each pixel is assigned a label according to a pre-defined list of object classes and semantic entities. This becomes very useful as a means to summarize…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Marc Bosch , Gordon A. Christie , Christopher M. Gifford

In crowded urban environments where traffic is dense, current technologies struggle to oversee tight navigation, but surface-level understanding allows autonomous vehicles to safely assess proximity to surrounding obstacles. 3D or 2D scene…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Akarshani Ramanayake , Nihal Kodikara

Semantic information has been proved effective in scene text recognition. Most existing methods tend to couple both visual and semantic information in an attention-based decoder. As a result, the learning of semantic features is prone to…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Changxu Cheng , Bohan Li , Qi Zheng , Yongpan Wang , Wenyu Liu

Visual localization is to estimate the 6-DOF camera pose of a query image in a 3D reference map. We extract keypoints from the reference image and generate a 3D reference map with 3D reconstruction of the keypoints in advance. We emphasize…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Masahiko Tsuji , Hitoshi Niigaki , Ryuichi Tanida