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Related papers: Path Aggregation Network for Instance Segmentation

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With the tide of artificial intelligence, we try to apply deep learning to understand 3D data. Point cloud is an important 3D data structure, which can accurately and directly reflect the real world. In this paper, we propose a simple and…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Kang Zhiheng , Li Ning

Multi-person pose estimation is a fundamental yet challenging task in computer vision. Both rich context information and spatial information are required to precisely locate the keypoints for all persons in an image. In this paper, a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Dongdong Yu , Kai Su , Xin Geng , Changhu Wang

We present a single network method for panoptic segmentation. This method combines the predictions from a jointly trained semantic and instance segmentation network using heuristics. Joint training is the first step towards an end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2019-02-08 Daan de Geus , Panagiotis Meletis , Gijs Dubbelman

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…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Xiangyun Zhao , Shuang Liang , Yichen Wei

Recently, there is growing attention on one-stage panoptic segmentation methods which aim to segment instances and stuff jointly within a fully convolutional pipeline efficiently. However, most of the existing works directly feed the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Yifeng Chen , Wenqing Chu , Fangfang Wang , Ying Tai , Ran Yi , Zhenye Gan , Liang Yao , Chengjie Wang , Xi Li

Traditional grid/neighbor-based static pooling has become a constraint for point cloud geometry analysis. In this paper, we propose DAR-Net, a novel network architecture that focuses on dynamic feature aggregation. The central idea of…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Zongyue Zhao , Min Liu , Karthik Ramani

Medical image segmentation can provide detailed information for clinical analysis which can be useful for scenarios where the detailed location of a finding is important. Knowing the location of disease can play a vital role in treatment…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Debesh Jha , Michael A. Riegler , Pål Halvorsen , Dag Johansen , Umapada Pal

Feedforward fully convolutional neural networks currently dominate in semantic segmentation of 3D point clouds. Despite their great success, they suffer from the loss of local information at low-level layers, posing significant challenges…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Shenglan Du , Nail Ibrahimli , Jantien Stoter , Julian Kooij , Liangliang Nan

Many imaging tasks require global information about all pixels in an image. Conventional bottom-up classification networks globalize information by decreasing resolution; features are pooled and downsampled into a single output. But for…

Computer Vision and Pattern Recognition · Computer Science 2018-04-30 Sohil Shah , Pallabi Ghosh , Larry S Davis , Tom Goldstein

The accurate segmentation of multiple types of lesions from adjacent tissues in medical images is significant in clinical practice. Convolutional neural networks (CNNs) based on the coarse-to-fine strategy have been widely used in this…

Image and Video Processing · Electrical Eng. & Systems 2021-10-12 Xiangyu Zhao , Peng Zhang , Fan Song , Chenbin Ma , Guangda Fan , Yangyang Sun , Youdan Feng , Guanglei Zhang

We propose a novel, conceptually simple and general framework for instance segmentation on 3D point clouds. Our method, called 3D-BoNet, follows the simple design philosophy of per-point multilayer perceptrons (MLPs). The framework directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-06 Bo Yang , Jianan Wang , Ronald Clark , Qingyong Hu , Sen Wang , Andrew Markham , Niki Trigoni

The application of deep learning to 3D point clouds is challenging due to its lack of order. Inspired by the point embeddings of PointNet and the edge embeddings of DGCNNs, we propose three improvements to the task of point cloud analysis.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Chaitanya Kaul , Nick Pears , Suresh Manandhar

This paper exploits the intrinsic features of urban-scene images and proposes a general add-on module, called height-driven attention networks (HANet), for improving semantic segmentation for urban-scene images. It emphasizes informative…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Sungha Choi , Joanne T. Kim , Jaegul Choo

Capsule network (CapsNet) was introduced as an enhancement over convolutional neural networks, supplementing the latter's invariance properties with equivariance through pose estimation. CapsNet achieved a very decent performance with a…

Machine Learning · Computer Science 2019-10-29 Mohammed Amer , Tomás Maul

Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

In this paper, we propose a unified panoptic segmentation network (UPSNet) for tackling the newly proposed panoptic segmentation task. On top of a single backbone residual network, we first design a deformable convolution based semantic…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Yuwen Xiong , Renjie Liao , Hengshuang Zhao , Rui Hu , Min Bai , Ersin Yumer , Raquel Urtasun

To avoid the exhaustive search over locations and scales, current state-of-the-art object detection systems usually involve a crucial component generating a batch of candidate object proposals from images. In this paper, we present a simple…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Tianshui Chen , Liang Lin , Xian Wu , Nong Xiao , Xiaonan Luo

Contemporary approaches to instance segmentation in cell science use 2D or 3D convolutional networks depending on the experiment and data structures. However, limitations in microscopy systems or efforts to prevent phototoxicity commonly…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Christopher Z. Eddy , Austin Naylor , Bo Sun

Exploiting fine-grained semantic features on point cloud is still challenging due to its irregular and sparse structure in a non-Euclidean space. Among existing studies, PointNet provides an efficient and promising approach to learn shape…

Computer Vision and Pattern Recognition · Computer Science 2019-05-22 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

In this paper, we propose a compact network called CUNet (compact unsupervised network) to counter the image classification challenge. Different from the traditional convolutional neural networks learning filters by the time-consuming…

Computer Vision and Pattern Recognition · Computer Science 2016-07-07 Le Dong , Ling He , Gaipeng Kong , Qianni Zhang , Xiaochun Cao , Ebroul Izquierdo