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Multi-view deep neural network is perhaps the most successful approach in 3D shape classification. However, the fusion of multi-view features based on max or average pooling lacks a view selection mechanism, limiting its application in,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-22 Songle Chen , Lintao Zheng , Yan Zhang , Zhixin Sun , Kai Xu

We present Hybrid Voxel Network (HVNet), a novel one-stage unified network for point cloud based 3D object detection for autonomous driving. Recent studies show that 2D voxelization with per voxel PointNet style feature extractor leads to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Maosheng Ye , Shuangjie Xu , Tongyi Cao

We propose GO-N3RDet, a scene-geometry optimized multi-view 3D object detector enhanced by neural radiance fields. The key to accurate 3D object detection is in effective voxel representation. However, due to occlusion and lack of 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zechuan Li , Hongshan Yu , Yihao Ding , Jinhao Qiao , Basim Azam , Naveed Akhtar

The current models of image representation based on Convolutional Neural Networks (CNN) have shown tremendous performance in image retrieval. Such models are inspired by the information flow along the visual pathway in the human visual…

Computer Vision and Pattern Recognition · Computer Science 2017-03-06 Zakaria Laskar , Juho Kannala

Self-supervised pre-training, based on the pretext task of instance discrimination, has fueled the recent advance in label-efficient object detection. However, existing studies focus on pre-training only a feature extractor network to learn…

Computer Vision and Pattern Recognition · Computer Science 2024-02-16 Nanqing Dong , Linus Ericsson , Yongxin Yang , Ales Leonardis , Steven McDonagh

Object proposal technique with dense anchoring scheme for scene text detection were applied frequently to achieve high recall. It results in the significant improvement in accuracy but waste of computational searching, regression and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Anna Zhu , Hang Du , Shengwu Xiong

The main challenge in 3D object detection from LiDAR point clouds is achieving real-time performance without affecting the reliability of the network. In other words, the detecting network must be confident enough about its predictions. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-11 Youshaa Murhij , Alexander Golodkov , Dmitry Yudin

We present Point-Voxel CNN (PVCNN) for efficient, fast 3D deep learning. Previous work processes 3D data using either voxel-based or point-based NN models. However, both approaches are computationally inefficient. The computation cost and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-11 Zhijian Liu , Haotian Tang , Yujun Lin , Song Han

Self-attention is one of the most successful designs in deep learning, which calculates the similarity of different tokens and reconstructs the feature based on the attention matrix. Originally designed for NLP, self-attention is also…

Computer Vision and Pattern Recognition · Computer Science 2022-06-27 Xutao Liang , Pinhao Song

3D object detection and dense depth estimation are one of the most vital tasks in autonomous driving. Multiple sensor modalities can jointly attribute towards better robot perception, and to that end, we introduce a method for jointly…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Shubham Shrivastava

Video periocular recognition is the task of recognizing an individual's identity based on the region around an individual's eyes. The periocular area is one of the most discriminative regions of the human face, making it suitable for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Luiz G F Carreira , Breno A Mariano , Victor H C de Melo , David Menotti , William Robson Schwartz

The annotation of 3D datasets is required for semantic-segmentation and object detection in scene understanding. In this paper we present a framework for the weakly supervision of a point clouds transformer that is used for 3D object…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Zuojin Tang , Bo Sun , Tongwei Ma , Daosheng Li , Zhenhui Xu

Accurate 3D object detection from point clouds has become a crucial component in autonomous driving. However, the volumetric representations and the projection methods in previous works fail to establish the relationships between the local…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Qingdong He , Zhengning Wang , Hao Zeng , Yi Zeng , Yijun Liu

In autonomous driving pipelines, perception modules provide a visual understanding of the surrounding road scene. Among the perception tasks, vehicle detection is of paramount importance for a safe driving as it identifies the position of…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Jesus Zarzar , Silvio Giancola , Bernard Ghanem

Voxel-based methods have achieved state-of-the-art performance for 3D object detection in autonomous driving. However, their significant computational and memory costs pose a challenge for their application to resource-constrained vehicles.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tianchen Zhao , Xuefei Ning , Ke Hong , Zhongyuan Qiu , Pu Lu , Yali Zhao , Linfeng Zhang , Lipu Zhou , Guohao Dai , Huazhong Yang , Yu Wang

Vision-based Bird's-Eye-View (BEV) 3D object detection has recently become popular in autonomous driving. However, objects with a high similarity to the background from a camera perspective cannot be detected well by existing methods. In…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Jiwei Chen , Yubao Sun , Laiyan Ding , Rui Huang

Lacking enough high quality proposals for RoI box head has impeded two-stage and multi-stage object detectors for a long time, and many previous works try to solve it via improving RPN's performance or manually generating proposals from…

Computer Vision and Pattern Recognition · Computer Science 2021-01-29 Xiaopei Wan , Zhenhua Guo , Chao He , Yujiu Yang , Fangbo Tao

The problem of computing category agnostic bounding box proposals is utilized as a core component in many computer vision tasks and thus has lately attracted a lot of attention. In this work we propose a new approach to tackle this problem…

Computer Vision and Pattern Recognition · Computer Science 2016-06-15 Spyros Gidaris , Nikos Komodakis

The encoding of the target in object tracking moves from the coarse bounding-box to fine-grained segmentation map recently. Revisiting de facto real-time approaches that are capable of predicting mask during tracking, we observed that they…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Zhipeng Zhang , Bing Li , Weiming Hu , Houwen Peng

Existing object detection frameworks are usually built on a single format of object/part representation, i.e., anchor/proposal rectangle boxes in RetinaNet and Faster R-CNN, center points in FCOS and RepPoints, and corner points in…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Cheng Chi , Fangyun Wei , Han Hu
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