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Detecting novel objects from few examples has become an emerging topic in computer vision recently. However, these methods need fully annotated training images to learn new object categories which limits their applicability in real world…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Amirreza Shaban , Amir Rahimi , Thalaiyasingam Ajanthan , Byron Boots , Richard Hartley

Removing supervision in semantic segmentation is still tricky. Current approaches can deal with common categorical patterns yet resort to multi-stage architectures. We design a novel end-to-end model leveraging local-global patch matching…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Simone Rossetti , Nico Samà , Fiora Pirri

Visual Simultaneous Localization and Mapping (V-SLAM) methods achieve remarkable performance in static environments, but face challenges in dynamic scenes where moving objects severely affect their core modules. To avoid this, dynamic…

机器人学 · 计算机科学 2024-08-21 Chenghao Xu , Elia Bonetto , Aamir Ahmad

Quality assessment of images and videos emphasizes both local details and global semantics, whereas general data sampling methods (e.g., resizing, cropping or grid-based fragment) fail to catch them simultaneously. To address the…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Yongxu Liu , Yinghui Quan , Guoyao Xiao , Aobo Li , Jinjian Wu

This paper presents a detailed examination of low-light visual Simultaneous Localization and Mapping (SLAM) pipelines, focusing on the integration of state-of-the-art (SOTA) low-light image enhancement algorithms with standard and…

Weakly-supervised object detection has recently attracted increasing attention since it only requires image-levelannotations. However, the performance obtained by existingmethods is still far from being satisfactory compared with…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Liao Zhang , Yan Yan , Lin Cheng , Hanzi Wang

In this paper, we propose a novel dense surfel mapping system that scales well in different environments with only CPU computation. Using a sparse SLAM system to estimate camera poses, the proposed mapping system can fuse intensity images…

机器人学 · 计算机科学 2019-09-11 Kaixuan Wang , Fei Gao , Shaojie Shen

Most self-supervised 6D object pose estimation methods can only work with additional depth information or rely on the accurate annotation of 2D segmentation masks, limiting their application range. In this paper, we propose a 6D object pose…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yang Hai , Rui Song , Jiaojiao Li , David Ferstl , Yinlin Hu

Point annotations are considerably more time-efficient than bounding box annotations. However, how to use cheap point annotations to boost the performance of semi-supervised object detection remains largely unsolved. In this work, we…

计算机视觉与模式识别 · 计算机科学 2022-10-25 Yongtao Ge , Qiang Zhou , Xinlong Wang , Zhibin Wang , Hao Li , Chunhua Shen

This paper presents a general one-shot object localization algorithm called OneLoc. Current one-shot object localization or detection methods either rely on a slow exhaustive feature matching process or lack the ability to generalize to…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yang You , Zhuochen Miao , Kai Xiong , Weiming Wang , Cewu Lu

In this paper, we propose a new approach to applying point-level annotations for weakly-supervised panoptic segmentation. Instead of the dense pixel-level labels used by fully supervised methods, point-level labels only provide a single…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Junsong Fan , Zhaoxiang Zhang , Tieniu Tan

Existing studies in weakly-supervised semantic segmentation (WSSS) using image-level weak supervision have several limitations: sparse object coverage, inaccurate object boundaries, and co-occurring pixels from non-target objects. To…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Seungho Lee , Minhyun Lee , Jongwuk Lee , Hyunjung Shim

We address the problem of weakly-supervised semantic segmentation (WSSS) using bounding box annotations. Although object bounding boxes are good indicators to segment corresponding objects, they do not specify object boundaries, making it…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Youngmin Oh , Beomjun Kim , Bumsub Ham

Recently, proposal-free instance segmentation has received increasing attention due to its concise and efficient pipeline. Generally, proposal-free methods generate instance-agnostic semantic segmentation labels and instance-aware features…

计算机视觉与模式识别 · 计算机科学 2019-09-05 Naiyu Gao , Yanhu Shan , Yupei Wang , Xin Zhao , Yinan Yu , Ming Yang , Kaiqi Huang

When a deep neural network is trained on data with only image-level labeling, the regions activated in each image tend to identify only a small region of the target object. We propose a method of using videos automatically harvested from…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Jungbeom Lee , Eunji Kim , Sungmin Lee , Jangho Lee , Sungroh Yoon

Weakly supervised object detection aims at reducing the amount of supervision required to train detection models. Such models are traditionally learned from images/videos labelled only with the object class and not the object bounding box.…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Zhenheng Yang , Dhruv Mahajan , Deepti Ghadiyaram , Ram Nevatia , Vignesh Ramanathan

Localizing objects in an unsupervised manner poses significant challenges due to the absence of key visual information such as the appearance, type and number of objects, as well as the lack of labeled object classes typically available in…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Hasib Zunair , A. Ben Hamza

In recent decades, visual simultaneous localization and mapping (vSLAM) has gained significant interest in both academia and industry. It estimates camera motion and reconstructs the environment concurrently using visual sensors on a moving…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Kunping Huang , Sen Zhang , Jing Zhang , Dacheng Tao

In dynamic environments, performance of visual SLAM techniques can be impaired by visual features taken from moving objects. One solution is to identify those objects so that their visual features can be removed for localization and…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Jonathan Vincent , Mathieu Labbé , Jean-Samuel Lauzon , François Grondin , Pier-Marc Comtois-Rivet , François Michaud

Weakly supervised object detection is a challenging task when provided with image category supervision but required to learn, at the same time, object locations and object detectors. The inconsistency between the weak supervision and…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Fang Wan , Pengxu Wei , Zhenjun Han , Jianbin Jiao , Qixiang Ye