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相关论文: Point Cloud Instance Segmentation with Semi-superv…

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Recently most popular tracking frameworks focus on 2D image sequences. They seldom track the 3D object in point clouds. In this paper, we propose PointIT, a fast, simple tracking method based on 3D on-road instance segmentation. Firstly, we…

计算机视觉与模式识别 · 计算机科学 2019-02-19 Yuan Wang , Yang Yu , Ming Liu

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

We present a novel clustering objective that learns a neural network classifier from scratch, given only unlabelled data samples. The model discovers clusters that accurately match semantic classes, achieving state-of-the-art results in…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Xu Ji , João F. Henriques , Andrea Vedaldi

Semi-supervised crowd analysis is a prominent area of research, as unlabeled data are typically abundant and inexpensive to obtain. However, traditional point-based annotations constrain performance because individual regions are inherently…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Jiyang Huang , Hongru Cheng , Wei Lin , Jia Wan , Antoni B. Chan

Self-supervised learning can extract representations of good quality from solely unlabeled data, which is appealing for point cloud videos due to their high labelling cost. In this paper, we propose a contrastive mask prediction (PointCMP)…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Zhiqiang Shen , Xiaoxiao Sheng , Longguang Wang , Yulan Guo , Qiong Liu , Xi Zhou

Collecting image annotations remains a significant burden when deploying CNN in a specific applicative context. This is especially the case when the annotation consists in binary masks covering object instances. Our work proposes to…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Niels Sayez , Christophe De Vleeschouwer

Instance segmentation in point clouds is one of the most fine-grained ways to understand the 3D scene. Due to its close relationship to semantic segmentation, many works approach these two tasks simultaneously and leverage the benefits of…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Guangnan Wu , Zhiyi Pan , Peng Jiang , Changhe Tu

We propose an approach to instance-level image segmentation that is built on top of category-level segmentation. Specifically, for each pixel in a semantic category mask, its corresponding instance bounding box is predicted using a deep…

计算机视觉与模式识别 · 计算机科学 2016-05-24 Zifeng Wu , Chunhua Shen , Anton van den Hengel

This paper studies the 3D instance segmentation problem, which has a variety of real-world applications such as robotics and augmented reality. Since the surroundings of 3D objects are of high complexity, the separating of different objects…

计算机视觉与模式识别 · 计算机科学 2022-08-30 Min Zhong , Xinghao Chen , Xiaokang Chen , Gang Zeng , Yunhe Wang

Deep learning-based methods are gaining traction in digital pathology, with an increasing number of publications and challenges that aim at easing the work of systematically and exhaustively analyzing tissue slides. These methods often…

图像与视频处理 · 电气工程与系统科学 2020-06-25 Ting-An Yen , Hung-Chun Hsu , Pushpak Pati , Maria Gabrani , Antonio Foncubierta-Rodríguez , Pau-Choo Chung

Instance segmentation is an important pre-processing task in numerous real-world applications, such as robotics, autonomous vehicles, and human-computer interaction. Compared with the rapid development of deep learning for two-dimensional…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Yajun Xu , Shogo Arai , Diyi Liu , Fangzhou Lin , Kazuhiro Kosuge

Instance segmentation is a fundamental research in computer vision, especially in autonomous driving. However, manual mask annotation for instance segmentation is quite time-consuming and costly. To address this problem, some prior works…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Guangfeng Jiang , Jun Liu , Yuzhi Wu , Wenlong Liao , Tao He , Pai Peng

In surgical procedures, correct instrument counting is essential. Instance segmentation is a location method that locates not only an object's bounding box but also each pixel's specific details. However, obtaining mask-level annotations is…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Zhen Sun , Huan Xu , Jinlin Wu , Zhen Chen , Zhen Lei , Hongbin Liu

We present a lightweight post-processing method to refine the semantic segmentation results of point cloud sequences. Most existing methods usually segment frame by frame and encounter the inherent ambiguity of the problem: based on a…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yutaka Momma , Weimin Wang , Edgar Simo-Serra , Satoshi Iizuka , Ryosuke Nakamura , Hiroshi Ishikawa

Semi-Supervised Instance Segmentation (SSIS) involves classifying and grouping image pixels into distinct object instances using limited labeled data. This learning paradigm usually faces a significant challenge of unstable performance…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Jianghang Lin , Yilin Lu , Yunhang Shen , Chaoyang Zhu , Shengchuan Zhang , Liujuan Cao , Rongrong Ji

Scribble-based weakly supervised semantic segmentation leverages only a few annotated pixels as labels to train a segmentation model, presenting significant potential for reducing the human labor involved in the annotation process. This…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Xinliang Zhang , Lei Zhu , Shuang Zeng , Hangzhou He , Ourui Fu , Zhengjian Yao , Zhaoheng Xie , Yanye Lu

Instance segmentation on 3D point clouds is one of the most extensively researched areas toward the realization of autonomous cars and robots. Certain existing studies have split input point clouds into small regions such as 1m x 1m; one…

机器学习 · 计算机科学 2019-09-30 Kosuke Arase , Yusuke Mukuta , Tatsuya Harada

Instance segmentation is an advanced form of image segmentation which, beyond traditional segmentation, requires identifying individual instances of repeating objects in a scene. Mask R-CNN is the most common architecture for instance…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Jawad Haidar , Marc Mouawad , Imad Elhajj , Daniel Asmar

Methods that move towards less supervised scenarios are key for image segmentation, as dense labels demand significant human intervention. Generally, the annotation burden is mitigated by labeling datasets with weaker forms of supervision,…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Vehicle classification is a hot computer vision topic, with studies ranging from ground-view up to top-view imagery. In remote sensing, the usage of top-view images allows for understanding city patterns, vehicle concentration, traffic…