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The joint design of the optical system and the downstream algorithm is a challenging and promising task. Due to the demand for balancing the global optimal of imaging systems and the computational cost of physical simulation, existing…

Modern two-stage object detectors generally require excessively large models for their detection heads to achieve high accuracy. To address this problem, we propose that the model parameters of two-stage detection heads can be condensed and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Zhe Chen , Jing Zhang , Dacheng Tao

3D reconstruction has been widely used in autonomous navigation fields of mobile robotics. However, the former research can only provide the basic geometry structure without the capability of open-world scene understanding, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Haochen Jiang , Yueming Xu , Yihan Zeng , Hang Xu , Wei Zhang , Jianfeng Feng , Li Zhang

The problem of identifying the 3D pose of a known object from a given 2D image has important applications in Computer Vision ranging from robotic vision to image analysis. Our proposed method of registering a 3D model of a known object on a…

Computer Vision and Pattern Recognition · Computer Science 2012-02-10 Srimal Jayawardena , Marcus Hutter , Nathan Brewer

3D Semantic Scene Completion (SSC) can provide dense geometric and semantic scene representations, which can be applied in the field of autonomous driving and robotic systems. It is challenging to estimate the complete geometry and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Ruihang Miao , Weizhou Liu , Mingrui Chen , Zheng Gong , Weixin Xu , Chen Hu , Shuchang Zhou

Encoding information from 2D views of an object into a 3D representation is crucial for generalized 3D feature extraction. Such features can then enable 3D reconstruction, 3D generation, and other applications. We propose GOEmbed (Gradient…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Animesh Karnewar , Roman Shapovalov , Tom Monnier , Andrea Vedaldi , Niloy J. Mitra , David Novotny

Passive, compact, single-shot 3D sensing is useful in many application areas such as microscopy, medical imaging, surgical navigation, and autonomous driving where form factor, time, and power constraints can exist. Obtaining RGB-D scene…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Bhargav Ghanekar , Salman Siddique Khan , Pranav Sharma , Shreyas Singh , Vivek Boominathan , Kaushik Mitra , Ashok Veeraraghavan

There are many real-life use cases such as barcode scanning or billboard reading where people need to detect objects and read the object contents. Commonly existing methods are first trying to localize object regions, then determine layout…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Thao Do , Daeyoung Kim

Complex orthogonal design (COD) with parameter $[p, n, k]$ is a combinatorial design used in space-time block codes (STBCs). For STBC, $n$ is the number of antennas, $k/p$ is the rate, and $p$ is the decoding delay. A class of rate $1/2$…

Information Theory · Computer Science 2016-09-20 Xiaodong Liu , Yuan Li , Haibin Kan

To help address the occlusion problem in panoptic segmentation and image understanding, this paper proposes a new large-scale dataset named COCO-OLAC (COCO Occlusion Labels for All Computer Vision Tasks), which is derived from the COCO…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Wenbo Wei , Jun Wang , Abhir Bhalerao

Orbital angular momentum (OAM)-carrying beams have gained significant attention in recent years due to their unique properties and potential to improve spectral efficiency and data transmission rates in optical communication systems.…

In this paper, we present a cooperative odometry scheme based on the detection of mobile markers in line with the idea of cooperative positioning for multiple robots [1]. To this end, we introduce a simple optimization scheme that realizes…

Robotics · Computer Science 2017-04-19 Raul Acuna , Zaijuan Li , Volker Willert

In surface defect detection, due to the extreme imbalance in the number of positive and negative samples, positive-samples-based anomaly detection methods have received more and more attention. Specifically, reconstruction-based methods are…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Wei Luo , Tongzhi Niu , Lixin Tang , Wenyong Yu , Bin Li

Based on a newly proposed spatial data model - spatial chromatic model (SCM), we developed a spatial coding scheme, called full-coded ordinary arranged chromatic diagram (full-OACD). Full-OACD is a type of spatial tessellation, where space…

Computational Geometry · Computer Science 2016-01-18 Weining Zhu

We aim to recover the geometry of 3D parametric scenes using very few depth measurements from low-cost, commercially available time-of-flight sensors. These sensors offer very low spatial resolution (i.e., a single pixel), but image a wide…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Carter Sifferman , Yiquan Li , Yiming Li , Fangzhou Mu , Michael Gleicher , Mohit Gupta , Yin Li

Traditional reconstruction-based methods have struggled to achieve competitive performance in anomaly detection. In this paper, we introduce Denoising Diffusion Anomaly Detection (DDAD), a novel denoising process for image reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Arian Mousakhan , Thomas Brox , Jawad Tayyub

The task of occupancy forecasting (OCF) involves utilizing past and present perception data to predict future occupancy states of autonomous vehicle surrounding environments, which is critical for downstream tasks such as obstacle avoidance…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Jingyi Xu , Xieyuanli Chen , Junyi Ma , Jiawei Huang , Jintao Xu , Yue Wang , Ling Pei

Fault tolerance is a prerequisite for scalable quantum computing. Architectures based on 2D topological codes are effective for near-term implementations of fault tolerance. To obtain high performance with these architectures, we require a…

Quantum Physics · Physics 2018-10-23 Ben Criger , Imran Ashraf

Monocular 3D object detection is of great significance for autonomous driving but remains challenging. The core challenge is to predict the distance of objects in the absence of explicit depth information. Unlike regressing the distance as…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Xuepeng Shi , Qi Ye , Xiaozhi Chen , Chuangrong Chen , Zhixiang Chen , Tae-Kyun Kim

We demonstrate a dual wavelength acousto-optic deflector (AOD) designed to deflect two wavelengths to the same angles by driving with two RF frequencies. The AOD is designed as a beam scanner to address two-photon transitions in a…

Quantum Physics · Physics 2012-06-05 Sangtaek Kim , Robert R. Mcleod , Mark Saffman , Kelvin H. Wagner