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Object detection is a comprehensively studied problem in autonomous driving. However, it has been relatively less explored in the case of fisheye cameras. The standard bounding box fails in fisheye cameras due to the strong radial…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Hazem Rashed , Eslam Mohamed , Ganesh Sistu , Varun Ravi Kumar , Ciaran Eising , Ahmad El-Sallab , Senthil Yogamani

We propose a novel 3D human pose detector using two panoramic cameras. We show that transforming fisheye perspectives to rectilinear views allows a direct application of two-dimensional deep-learning pose estimation methods, without the…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Christoph Heindl , Thomas Pönitz , Andreas Pichler , Josef Scharinger

Detecting small, densely distributed objects is a significant challenge: small objects often contain less distinctive information compared to larger ones, and finer-grained precision of bounding box boundaries are required. In this paper,…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Zhenhua Chen , David Crandall , Robert Templeman

We present PICCOLO, a simple and efficient algorithm for omnidirectional localization. Given a colored point cloud and a 360 panorama image of a scene, our objective is to recover the camera pose at which the panorama image is taken. Our…

计算机视觉与模式识别 · 计算机科学 2024-02-05 Junho Kim , Changwoon Choi , Hojun Jang , Young Min Kim

Omnidirectional depth estimation has received much attention from researchers in recent years. However, challenges arise due to camera soiling and variations in camera layouts, affecting the robustness and flexibility of the algorithm. In…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Ming Li , Xuejiao Hu , Xueqian Jin , Jinghao Cao , Sidan Du , Yang Li

In recent years, several real-time or near real-time object detectors have been developed. However these object detectors are typically designed for first-person view images where the subject is large in the image and do not directly apply…

计算机视觉与模式识别 · 计算机科学 2017-09-27 Jennifer Carlet , Bernard Abayowa

We propose a novel real-time direct monocular visual odometry for omnidirectional cameras. Our method extends direct sparse odometry (DSO) by using the unified omnidirectional model as a projection function, which can be applied to fisheye…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Hidenobu Matsuki , Lukas von Stumberg , Vladyslav Usenko , Jörg Stückler , Daniel Cremers

Being effective and efficient is essential to an object detector for practical use. To meet these two concerns, we comprehensively evaluate a collection of existing refinements to improve the performance of PP-YOLO while almost keep the…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Xin Huang , Xinxin Wang , Wenyu Lv , Xiaying Bai , Xiang Long , Kaipeng Deng , Qingqing Dang , Shumin Han , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma , Osamu Yoshie

Depth estimation is usually ill-posed and ambiguous for monocular camera-based 3D multi-person pose estimation. Since LiDAR can capture accurate depth information in long-range scenes, it can benefit both the global localization of…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Peishan Cong , Yiteng Xu , Yiming Ren , Juze Zhang , Lan Xu , Jingya Wang , Jingyi Yu , Yuexin Ma

The field of object detection using Deep Learning (DL) is constantly evolving with many new techniques and models being proposed. YOLOv7 is a state-of-the-art object detector based on the YOLO family of models which have become popular for…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Enrique Dehaerne , Bappaditya Dey , Sandip Halder , Stefan De Gendt

We address the task of person search, that is, localizing and re-identifying query persons from a set of raw scene images. Recent approaches are typically built upon OIMNet, a pioneer work on person search, that learns joint person…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Sanghoon Lee , Youngmin Oh , Donghyeon Baek , Junghyup Lee , Bumsub Ham

We propose a deep learning approach for finding dense correspondences between 3D scans of people. Our method requires only partial geometric information in the form of two depth maps or partial reconstructed surfaces, works for humans in…

计算机视觉与模式识别 · 计算机科学 2016-06-28 Lingyu Wei , Qixing Huang , Duygu Ceylan , Etienne Vouga , Hao Li

We consider the problem of person search in unconstrained scene images. Existing methods usually focus on improving the person detection accuracy to mitigate negative effects imposed by misalignment, mis-detections, and false alarms…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Xu Lan , Xiatian Zhu , Shaogang Gong

In 3D human pose estimation one of the biggest problems is the lack of large, diverse datasets. This is especially true for multi-person 3D pose estimation, where, to our knowledge, there are only machine generated annotations available for…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Marton Veges , Andras Lorincz

Lifelogging devices are spreading faster everyday. This growth can represent great benefits to develop methods for extraction of meaningful information about the user wearing the device and his/her environment. In this paper, we propose a…

计算机视觉与模式识别 · 计算机科学 2015-07-09 Marc Bolaños , Petia Radeva

Remote tiny face detection applied in unmanned system is a challeng-ing work. The detector cannot obtain sufficient context semantic information due to the relatively long distance. The received poor fine-grained features make the face…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jia-Yi Chang , Yan-Feng Lu , Ya-Jun Liu , Bo Zhou , Hong Qiao

In recent years, face detection algorithms based on deep learning have made great progress. These algorithms can be generally divided into two categories, i.e. two-stage detector like Faster R-CNN and one-stage detector like YOLO. Because…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Ziping Yu , Hongbo Huang , Weijun Chen , Yongxin Su , Yahui Liu , Xiuying Wang

Recently, the domestic COVID-19 epidemic situation is serious, but in public places, some people do not wear masks or wear masks incorrectly, which requires the relevant staff to instantly remind and supervise them to wear masks correctly.…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Xuecheng Wu , Mengmeng Tian , Lanhang Zhai

This paper presents RoGSplat, a novel approach for synthesizing high-fidelity novel views of unseen human from sparse multi-view images, while requiring no cumbersome per-subject optimization. Unlike previous methods that typically struggle…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Junjin Xiao , Qing Zhang , Yonewei Nie , Lei Zhu , Wei-Shi Zheng

Current people detectors operate either by scanning an image in a sliding window fashion or by classifying a discrete set of proposals. We propose a model that is based on decoding an image into a set of people detections. Our system takes…

计算机视觉与模式识别 · 计算机科学 2015-07-10 Russell Stewart , Mykhaylo Andriluka