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Perceiving the complete shape of occluded objects is essential for human and machine intelligence. While the amodal segmentation task is to predict the complete mask of partially occluded objects, it is time-consuming and labor-intensive to…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Zhaochen Liu , Zhixuan Li , Tingting Jiang

In this paper, we present a simple but powerful method to tackle the problem of estimating the 6D pose of objects from a single RGB image. Our system trains a novel convolutional neural network to regress the unit quaternion, which…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Jin Liu , Sheng He

We present a reinforcement learning approach for detecting objects within an image. Our approach performs a step-wise deformation of a bounding box with the goal of tightly framing the object. It uses a hierarchical tree-like representation…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Jonas Koenig , Simon Malberg , Martin Martens , Sebastian Niehaus , Artus Krohn-Grimberghe , Arunselvan Ramaswamy

The learning of the region proposal in object detection using the deep neural networks (DNN) is divided into two tasks: binary classification and bounding box regression task. However, traditional RPN (Region Proposal Network) defines these…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Geonseok Seo , Jaeyoung Yoo , Jaeseok Choi , Nojun Kwak

Accurate and efficient medical image segmentation is crucial but challenging due to anatomical variability and high computational demands on volumetric data. Recent hybrid CNN-Transformer architectures achieve state-of-the-art results but…

图像与视频处理 · 电气工程与系统科学 2025-07-28 Nand Kumar Yadav , Rodrigue Rizk , William CW Chen , KC Santosh

Distance measures are part and parcel of many computer vision algorithms. The underlying assumption in all existing distance measures is that feature elements are independent and identically distributed. However, in real-world settings,…

计算机视觉与模式识别 · 计算机科学 2016-11-01 Muthukaruppan Swaminathan , Pankaj Kumar Yadav , Obdulio Piloto , Tobias Sjöblom , Ian Cheong

Mobile robots that navigate in unknown environments need to be constantly aware of the dynamic objects in their surroundings for mapping, localization, and planning. It is key to reason about moving objects in the current observation and at…

机器人学 · 计算机科学 2023-07-18 Benedikt Mersch , Tiziano Guadagnino , Xieyuanli Chen , Ignacio Vizzo , Jens Behley , Cyrill Stachniss

In this work, we present a novel and effective framework to facilitate object detection with the instance-level segmentation information that is only supervised by bounding box annotation. Starting from the joint object detection and…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Xiangyun Zhao , Shuang Liang , Yichen Wei

This paper explores object detection in the small data regime, where only a limited number of annotated bounding boxes are available due to data rarity and annotation expense. This is a common challenge today with machine learning being…

计算机视觉与模式识别 · 计算机科学 2019-10-17 Lanlan Liu , Michael Muelly , Jia Deng , Tomas Pfister , Li-Jia Li

As a proposal-free approach, instance segmentation through pixel embedding learning and clustering is gaining more emphasis. Compared with bounding box refinement approaches, such as Mask R-CNN, it has potential advantages in handling…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Yuli Wu , Long Chen , Dorit Merhof

Referring Remote Sensing Image Segmentation (RRSIS) is critical for ecological monitoring, urban planning, and disaster management, requiring precise segmentation of objects in remote sensing imagery guided by textual descriptions. This…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Tianxiang Zhang , Zhaokun Wen , Bo Kong , Kecheng Liu , Yisi Zhang , Peixian Zhuang , Jiangyun Li

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

计算机视觉与模式识别 · 计算机科学 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

3D object detection aims to predict object centers, dimensions, and rotations from LiDAR point clouds. Despite its simplicity, LiDAR captures only the near side of objects, making center-based detectors prone to poor localization accuracy…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Ruixiao Zhang , Runwei Guan , Xiangyu Chen , Adam Prugel-Bennett , Xiaohao Cai

Anchor-based detectors have been continuously developed for object detection. However, the individual anchor box makes it difficult to predict the boundary's offset accurately. Instead of taking each bounding box as a closed individual, we…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Yilong Lv , Min Li , Yujie He , Shaopeng Li , Zhuzhen He , Aitao Yang

In existing works that learn representation for object detection, the relationship between a candidate window and the ground truth bounding box of an object is simplified by thresholding their overlap. This paper shows information loss in…

计算机视觉与模式识别 · 计算机科学 2015-12-10 Xingyu Zeng , Wanli Ouyang , Xiaogang Wang

Photometric differences are widely used as supervision signals to train neural networks for estimating depth and camera pose from unlabeled monocular videos. However, this approach is detrimental for model optimization because occlusions…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Fei Wang , Jun Cheng , Penglei Liu

As one of the most fundamental and challenging problems in computer vision, object detection tries to locate object instances and find their categories in natural images. The most important step in the evaluation of object detection…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Qiang Zhao , Bin Chen , Hang Xu , Yike Ma , Xiaodong Li , Bailan Feng , Chenggang Yan , Feng Dai

Optimization over the Stiefel manifold $\mathrm{St}(p,d)$, the set of $p \times d$ column-orthonormal matrices, is fundamental in statistics, machine learning, and scientific computing, yet remains challenging in the presence of non-convex,…

最优化与控制 · 数学 2026-05-07 Beomchang Kim , Subhrajyoty Roy , Priyam Das

Instance segmentation in remote sensing images is a long-standing challenge. Since horizontal bounding boxes introduce many interference objects, oriented bounding boxes (OBBs) are usually used for instance identification. However, based on…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Zhen Zhou , Junfeng Fan , Yunkai Ma , Sihan Zhao , Fengshui Jing , Min Tan

Regression loss design is an essential topic for oriented object detection. Due to the periodicity of the angle and the ambiguity of width and height definition, traditional L1-distance loss and its variants have been suffered from the…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Yuke Zhu , Yumeng Ruan , Zihua Xiong , Sheng Guo
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