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Accurate and fast scene understanding is one of the challenging task for autonomous driving, which requires to take full advantage of LiDAR point clouds for semantic segmentation. In this paper, we present a \textbf{concise} and…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Hui-Xian Cheng , Xian-Feng Han , Guo-Qiang Xiao

To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Ling Zhang , Zhigang Zhu

It is a crucial step to achieve effective semantic segmentation of lane marking during the construction of the lane level high-precision map. In recent years, many image semantic segmentation methods have been proposed. These methods mainly…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Ruochen Yin , Biao Yu , Huapeng Wu , Yutao Song , Runxin Niu

Labeled data used for training activity recognition classifiers are usually limited in terms of size and diversity. Thus, the learned model may not generalize well when used in real-world use cases. Semi-supervised learning augments labeled…

机器学习 · 计算机科学 2018-01-25 Ming Zeng , Tong Yu , Xiao Wang , Le T. Nguyen , Ole J. Mengshoel , Ian Lane

Horizon or skyline detection plays a vital role towards mountainous visual geo-localization, however most of the recently proposed visual geo-localization approaches rely on \textbf{user-in-the-loop} skyline detection methods. Detecting…

计算机视觉与模式识别 · 计算机科学 2018-05-22 Touqeer Ahmad , Pavel Campr , Martin Čadík , George Bebis

We explore architectures for general pixel-level prediction problems, from low-level edge detection to mid-level surface normal estimation to high-level semantic segmentation. Convolutional predictors, such as the fully-convolutional…

计算机视觉与模式识别 · 计算机科学 2016-09-22 Aayush Bansal , Xinlei Chen , Bryan Russell , Abhinav Gupta , Deva Ramanan

This work presents FG-Net, a general deep learning framework for large-scale point clouds understanding without voxelizations, which achieves accurate and real-time performance with a single NVIDIA GTX 1080 GPU. First, a novel noise and…

计算机视觉与模式识别 · 计算机科学 2021-06-18 Kangcheng Liu , Zhi Gao , Feng Lin , Ben M. Chen

Fully convolutional neural networks (FCN) have been shown to achieve state-of-the-art performance on the task of classifying time series sequences. We propose the augmentation of fully convolutional networks with long short term memory…

机器学习 · 计算机科学 2018-03-20 Fazle Karim , Somshubra Majumdar , Houshang Darabi , Shun Chen

This paper presents an end-to-end pixelwise fully automated segmentation of the head sectioned images of the Visible Korean Human (VKH) project based on Deep Convolutional Neural Networks (DCNNs). By converting classification networks into…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Mohammad Eshghi , Holger R. Roth , Masahiro Oda , Min Suk Chung , Kensaku Mori

This work seeks to determine how modern machine learning techniques may be applied to the previously unexplored topic of melanoma diagnostics using digital pathology. We curated a new dataset of 50 patient cases of cutaneous melanoma using…

计算机视觉与模式识别 · 计算机科学 2018-06-14 Adon Phillips , Iris Teo , Jochen Lang

Dense pixel-wise image prediction has been advanced by harnessing the capabilities of Fully Convolutional Networks (FCNs). One central issue of FCNs is the limited capacity to handle joint upsampling. To address the problem, we present a…

计算机视觉与模式识别 · 计算机科学 2019-09-26 Huikai Wu , Shuai Zheng , Junge Zhang , Kaiqi Huang

One of the most common tasks in medical imaging is semantic segmentation. Achieving this segmentation automatically has been an active area of research, but the task has been proven very challenging due to the large variation of anatomy…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Holger R. Roth , Chen Shen , Hirohisa Oda , Masahiro Oda , Yuichiro Hayashi , Kazunari Misawa , Kensaku Mori

Artificial intelligence is making great changes in academy and industry with the fast development of deep learning, which is a branch of machine learning and statistical learning. Fully convolutional network [1] is the standard model for…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Yichi Gu , Qisheng Wu , Jing Li , Kai Cheng

When classifying point clouds, a large amount of time is devoted to the process of engineering a reliable set of features which are then passed to a classifier of choice. Generally, such features - usually derived from the 3D-covariance…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Mohammed Yousefhussien , David J. Kelbe , Emmett J. Ientilucci , Carl Salvaggio

We present an approach to learn a dense pixel-wise labeling from image-level tags. Each image-level tag imposes constraints on the output labeling of a Convolutional Neural Network (CNN) classifier. We propose Constrained CNN (CCNN), a…

计算机视觉与模式识别 · 计算机科学 2015-10-20 Deepak Pathak , Philipp Krähenbühl , Trevor Darrell

Contemporary segmentation methods are usually based on deep fully convolutional networks (FCNs). However, the layer-by-layer convolutions with a growing receptive field is not good at capturing long-range contexts such as lane markers in…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Zhikang Liu , Lanyun Zhu

Training a Convolutional Neural Network (CNN) for semantic segmentation typically requires to collect a large amount of accurate pixel-level annotations, a hard and expensive task. In contrast, simple image tags are easier to gather. With…

计算机视觉与模式识别 · 计算机科学 2019-02-25 Carolina Redondo-Cabrera , Marcos Baptista-Ríos , Roberto J. López-Sastre

Cloud detection is a pivotal satellite image pre-processing step that can be performed both on the ground and on board a satellite to tag useful images. In the latter case, it can help to reduce the amount of data to downlink by pruning the…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Bartosz Grabowski , Maciej Ziaja , Michal Kawulok , Nicolas Longépé , Bertrand Le Saux , Jakub Nalepa

This paper presents a field-programmable gate array (FPGA) design of a segmentation algorithm based on convolutional neural network (CNN) that can process light detection and ranging (LiDAR) data in real-time. For autonomous vehicles,…

信号处理 · 电气工程与系统科学 2019-03-07 Yecheng Lyu , Lin Bai , Xinming Huang

This paper presents the FPGA design of a convolutional neural network (CNN) based road segmentation algorithm for real-time processing of LiDAR data. For autonomous vehicles, it is important to perform road segmentation and obstacle…

机器人学 · 计算机科学 2017-11-09 Yecheng Lyu , Lin Bai , Xinming Huang