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The estimation of direction of arrival (DOA) is a crucial issue in conventional radar, wireless communication, and integrated sensing and communication (ISAC) systems. However, low-cost systems often suffer from imperfect factors, such as…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Peng Chen , Zhimin Chen , Liang Liu , Yun Chen , Xianbin Wang

In this paper, we introduce a novel single shot approach for 6D object pose estimation of rigid objects based on depth images. For this purpose, a fully convolutional neural network is employed, where the 3D input data is spatially…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Kilian Kleeberger , Marco F. Huber

Object detection plays a deep role in visual systems by identifying instances for downstream algorithms. In industrial scenarios, however, a slight change in manufacturing systems would lead to costly data re-collection and human annotation…

Robotics · Computer Science 2021-08-04 Tung-I Chen , Jen-Wei Wang , Winston H. Hsu

Remote sensing object detection has made significant progress, but most studies still focus on closed-set detection, limiting generalization across diverse datasets. Open-vocabulary object detection (OVD) provides a solution by leveraging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ziyue Huang , Yongchao Feng , Shuai Yang , Ziqi Liu , Qingjie Liu , Yunhong Wang

In past few years we have observed an increase in the usage of RGBD sensors in mobile devices. These sensors provide a good estimate of the depth map for the camera frame, which can be used in numerous augmented reality applications. This…

Robotics · Computer Science 2021-10-22 Abhishek Tyagi , Yangwen Liang , Shuangquan Wang , Dongwoon Bai

Current post-processing techniques in high contrast imaging depend on some source of diversity between the exoplanet signal and the residual star light at that location. The two main techniques are angular differential imaging (ADI), which…

Instrumentation and Methods for Astrophysics · Physics 2016-01-20 Jared R. Males , Ruslan Belikov , Eduardo Bendek

It has recently been shown by Egal et al. (2017) that some types of existing meteor in-atmosphere trajectory estimation methods may be less accurate than others, particularly when applied to high precision optical measurements. The…

Earth and Planetary Astrophysics · Physics 2020-04-23 Denis Vida , Peter S. Gural , Peter G. Brown , Margaret Campbell-Brown , Paul Wiegert

Enhancing visual odometry by exploiting sparse depth measurements from LiDAR is a promising solution for improving tracking accuracy of an odometry. Most existing works utilize a monocular pinhole camera, yet could suffer from poor…

Robotics · Computer Science 2025-09-16 Qirui Hu , Zikang Yuan , Tianle Xu , Xiaoxiang Wang , Jinni Geng , Xin Yang

To accommodate rapid changes in the real world, the cognition system of humans is capable of continually learning concepts. On the contrary, conventional deep learning models lack this capability of preserving previously learned knowledge.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Can Peng , Kun Zhao , Sam Maksoud , Tianren Wang , Brian C. Lovell

Interstellar objects (ISOs) are likely representatives of primitive materials invaluable in understanding exoplanetary star systems. Due to their poorly constrained orbits with generally high inclinations and relative velocities, however,…

Out-of-Distribution (OOD) detection is critical for safely deploying deep models in open-world environments, where inputs may lie outside the training distribution. During inference on a model trained exclusively with In-Distribution (ID)…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Jiawei Gu , Ziyue Qiao , Zechao Li

Most existing trackers are based on using a classifier and multi-scale estimation to estimate the target state. Consequently, and as expected, trackers have become more stable while tracking accuracy has stagnated. While trackers adopt a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 Di Yuan , Xiu Shu , Nana Fan , Xiaojun Chang , Qiao Liu , Zhenyu He

Lidar based 3D object detection and classification tasks are essential for autonomous driving(AD). A lidar sensor can provide the 3D point cloud data reconstruction of the surrounding environment. However, real time detection in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Xuanyu Yin , Yoko Sasaki , Weimin Wang , Kentaro Shimizu

Substantial efforts have been devoted more recently to presenting various methods for object detection in optical remote sensing images. However, the current survey of datasets and deep learning based methods for object detection in optical…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Ke Li , Gang Wan , Gong Cheng , Liqiu Meng , Junwei Han

Early object detection (OD) is a crucial task for the safety of many dynamic systems. Current OD algorithms have limited success for small objects at a long distance. To improve the accuracy and efficiency of such a task, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Tianyi Zhang , Kishore Kasichainula , Yaoxin Zhuo , Baoxin Li , Jae-Sun Seo , Yu Cao

Diffusion models have achieved outstanding performance in unsupervised industrial anomaly detection (uIAD) by learning a manifold of normal data under the common assumption that off-manifold anomalies are harder to generate, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Boan Zhang , Wen Li , Guanhua Yu , Xiyang Liu , Wenchao Chen , Long Tian

We introduce a novel method to perform linear optical random projections without the need for holography. Our method consists of a computationally trivial combination of multiple intensity measurements to mitigate the information loss…

Object detection has achieved a huge breakthrough with deep neural networks and massive annotated data. However, current detection methods cannot be directly transferred to the scenario where the annotated data is scarce due to the severe…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Qihan Huang , Haofei Zhang , Mengqi Xue , Jie Song , Mingli Song

Modeling scene geometry using implicit neural representation has revealed its advantages in accuracy, flexibility, and low memory usage. Previous approaches have demonstrated impressive results using color or depth images but still have…

Robotics · Computer Science 2023-03-01 Dongyu Yan , Xiaoyang Lyu , Jieqi Shi , Yi Lin

In this paper, we propose a novel laser-inertial odometry and mapping method to achieve real-time, low-drift and robust pose estimation in large-scale highway environments. The proposed method is mainly composed of four sequential modules,…

Robotics · Computer Science 2020-09-08 Shibo Zhao , Zheng Fang , HaoLai Li , Sebastian Scherer