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相关论文: ISTR: End-to-End Instance Segmentation with Transf…

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Contour-based instance segmentation methods have developed rapidly recently but feature rough and hand-crafted front-end contour initialization, which restricts the model performance, and an empirical and fixed backend predicted-label…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Tao Zhang , Shiqing Wei , Shunping Ji

Large-scale LiDAR-based point cloud semantic segmentation is a critical task in autonomous driving perception. Almost all of the previous state-of-the-art LiDAR semantic segmentation methods are variants of sparse 3D convolution. Although…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Chuanyu Luo , Nuo Cheng , Sikun Ma , Han Li , Xiaohan Li , Shengguang Lei , Pu Li

We propose a novel method for instance label segmentation of dense 3D voxel grids. We target volumetric scene representations, which have been acquired with depth sensors or multi-view stereo methods and which have been processed with…

计算机视觉与模式识别 · 计算机科学 2019-11-04 Jean Lahoud , Bernard Ghanem , Marc Pollefeys , Martin R. Oswald

Feature representation via self-supervised learning has reached remarkable success in image-level contrastive learning, which brings impressive performances on image classification tasks. While image-level feature representation mainly…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Junwei Yang , Ke Zhang , Zhaolin Cui , Jinming Su , Junfeng Luo , Xiaolin Wei

Referring Video Object Segmentation is an emerging multi-modal task that aims to segment objects in the video given a natural language expression. In this work, we build two instance-centric models and fuse predicted results from…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Bin Cao , Yisi Zhang , Hanyi Wang , Xingjian He , Jing Liu

In this paper, we explore the mask representation in instance segmentation with Point-of-Interest (PoI) features. Differentiating multiple potential instances within a single PoI feature is challenging because learning a high-dimensional…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Lu Qi , Yi Wang , Yukang Chen , Yingcong Chen , Xiangyu Zhang , Jian Sun , Jiaya Jia

DEtection TRansformer (DETR) started a trend that uses a group of learnable queries for unified visual perception. This work begins by applying this appealing paradigm to LiDAR-based point cloud segmentation and obtains a simple yet…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zeqi Xiao , Wenwei Zhang , Tai Wang , Chen Change Loy , Dahua Lin , Jiangmiao Pang

Instance segmentation in 3D scenes is fundamental in many applications of scene understanding. It is yet challenging due to the compound factors of data irregularity and uncertainty in the numbers of instances. State-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Zhihao Liang , Zhihao Li , Songcen Xu , Mingkui Tan , Kui Jia

Surgical instrument segmentation -- in general a pixel classification task -- is fundamentally crucial for promoting cognitive intelligence in robot-assisted surgery (RAS). However, previous methods are struggling with discriminating…

计算机视觉与模式识别 · 计算机科学 2022-02-18 Zixu Zhao , Yueming Jin , Pheng-Ann Heng

3D instance segmentation plays a crucial role in comprehending 3D scenes. Despite recent advancements in this field, existing approaches exhibit certain limitations. These methods often rely on fixed instance positions obtained from sampled…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Mengnan Zhao , Lihe Zhang , Yuqiu Kong , Baocai Yin

Recently, progress in acquisition equipment such as LiDAR sensors has enabled sensing increasingly spacious outdoor 3D environments. Making sense of such 3D acquisitions requires fine-grained scene understanding, such as constructing…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Cedric Perauer , Laurenz Adrian Heidrich , Haifan Zhang , Matthias Nießner , Anastasiia Kornilova , Alexey Artemov

In contrast to fully supervised methods using pixel-wise mask labels, box-supervised instance segmentation takes advantage of simple box annotations, which has recently attracted increasing research attention. This paper presents a novel…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Wentong Li , Wenyu Liu , Jianke Zhu , Miaomiao Cui , Risheng Yu , Xiansheng Hua , Lei Zhang

This paper introduces a novel approach to learning instance segmentation using extreme points, i.e., the topmost, leftmost, bottommost, and rightmost points, of each object. These points are readily available in the modern bounding box…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Hyeonjun Lee , Sehyun Hwang , Suha Kwak

Loss functions play a crucial role in deep metric learning thus a variety of them have been proposed. Some supervise the learning process by pairwise or tripletwise similarity constraints while others take advantage of structured similarity…

机器学习 · 计算机科学 2019-11-25 Xinshao Wang , Elyor Kodirov , Yang Hua , Neil Robertson

Matching images and sentences demands a fine understanding of both modalities. In this paper, we propose a new system to discriminatively embed the image and text to a shared visual-textual space. In this field, most existing works apply…

计算机视觉与模式识别 · 计算机科学 2021-07-28 Zhedong Zheng , Liang Zheng , Michael Garrett , Yi Yang , Mingliang Xu , Yi-Dong Shen

Segmentation of plant point clouds to obtain high-precise morphological traits is essential for plant phenotyping. Although the fast development of deep learning has boosted much research on segmentation of plant point clouds, previous…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Ruiming Du , Zhihong Ma , Pengyao Xie , Yong He , Haiyan Cen

We propose a method for unsupervised video object segmentation by transferring the knowledge encapsulated in image-based instance embedding networks. The instance embedding network produces an embedding vector for each pixel that enables…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Siyang Li , Bryan Seybold , Alexey Vorobyov , Alireza Fathi , Qin Huang , C. -C. Jay Kuo

Medical imaging segmentation is a highly active area of research, with deep learning-based methods achieving state-of-the-art results in several benchmarks. However, the lack of standardized tools for training, testing, and evaluating new…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Adrian Celaya , Evan Lim , Rachel Glenn , Brayden Mi , Alex Balsells , Dawid Schellingerhout , Tucker Netherton , Caroline Chung , Beatrice Riviere , David Fuentes

Low level features like edges and textures play an important role in accurately localizing instances in neural networks. In this paper, we propose an architecture which improves feature pyramid networks commonly used instance segmentation…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Yongqing Sun , Pranav Shenoy K P , Jun Shimamura , Atsushi Sagata

Instance segmentation is an active topic in computer vision that is usually solved by using supervised learning approaches over very large datasets composed of object level masks. Obtaining such a dataset for any new domain can be very…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zhenzhen Weng , Mehmet Giray Ogut , Shai Limonchik , Serena Yeung