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相关论文: MPI Planar Correction of Pulse Based ToF Cameras

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This paper presents a flexible representation of neural radiance fields based on multi-plane images (MPI), for high-quality view synthesis of complex scenes. MPI with Normalized Device Coordinate (NDC) parameterization is widely used in…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Yuze He , Peng Wang , Yubin Hu , Wang Zhao , Ran Yi , Yong-Jin Liu , Wenping Wang

Magnetic Particle Imaging (MPI) is a promising tomographic technique for visualizing the spatio-temporal distribution of superparamagnetic nanoparticles, with applications ranging from cancer detection to real-time cardiovascular…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Vladyslav Gapyak , Thomas März , Andreas Weinmann

Magnetic particle imaging (MPI) is a rapidly developing medical imaging modality that exploits the non-linear response of magnetic nanoparticles (MNPs). Color MPI widens the functionality of MPI, empowering it with the capability to…

信号处理 · 电气工程与系统科学 2021-12-10 M. Tunç Arslan , A. Alper Özaslan , Semih Kurt , Yavuz Muslu , Emine Ulku Saritas

Time-of-Flight (ToF) sensors efficiently capture scene depth, but the nonlinear depth construction procedure often results in extremely large noise variance or even invalid areas. Recent methods based on deep neural networks (DNNs) achieve…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Changyong He , Jin Zeng , Jiawei Zhang , Jiajie Guo

Time of flight cameras may emerge as the 3-D sensor of choice. Today, time of flight sensors use phase-based sampling, where the phase delay between emitted and received, high-frequency signals encodes distance. In this paper, we present a…

计算机视觉与模式识别 · 计算机科学 2015-03-11 Achuta Kadambi , Vage Taamazyan , Suren Jayasuriya , Ramesh Raskar

Small object detection aims to localize and classify small objects within images. With recent advances in large-scale vision-language pretraining, finetuning pretrained object detection models has emerged as a promising approach. However,…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Kanoko Goto , Takumi Karasawa , Takumi Hirose , Rei Kawakami , Nakamasa Inoue

Depth completion using lightweight time-of-flight (ToF) depth sensors is attractive due to their low cost. However, lightweight ToF sensors usually have a limited field of view (FOV) compared with cameras. Thus, only pixels in the zone area…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Laiyan Ding , Hualie Jiang , Rui Xu , Rui Huang

3D time-of-flight (ToF) imaging is used in a variety of applications such as augmented reality (AR), computer interfaces, robotics and autonomous systems. Single-photon avalanche diodes (SPADs) are one of the enabling technologies providing…

图像与视频处理 · 电气工程与系统科学 2021-10-13 Germán Mora-Martín , Alex Turpin , Alice Ruget , Abderrahim Halimi , Robert Henderson , Jonathan Leach , Istvan Gyongy

Passive Time-of-Flight (ToF) imaging can be enabled by optical wireless communication (OWC). The lighting infrastructure is the backbone of emerging light-based wireless communication. To this end, communication sources are used as…

信号处理 · 电气工程与系统科学 2023-07-18 Faisal Ahmed , Miguel Heredia Conde , Paula López Martínez

Depth cameras are emerging as a cornerstone modality with diverse applications that directly or indirectly rely on measured depth, including personal devices, robotics, and self-driving vehicles. Although time-of-flight (ToF) methods have…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Seung-Hwan Baek , Noah Walsh , Ilya Chugunov , Zheng Shi , Felix Heide

Division-of-focal-plane (DoFP) polarization imaging technical recently has been applied in many fields. However, the images captured by such sensors cannot be used directly because they suffer from instantaneous field-of-view errors and low…

图像与视频处理 · 电气工程与系统科学 2021-10-27 Rongyuan Wu , Yongqiang Zhao , Ning Li , Seong G. Kong

We present a microchannel plate (MCP) detector for compact time-of-flight mass spectrometers (TOF-MS) that jointly optimizes the anode geometry and high-voltage AC-decoupling network for electrically floating operation. Undershoot-driven…

仪器与探测器 · 物理学 2026-05-29 Robin F. Bonny , Lorenzo Obersnel , Martin Rubin , André Galli , Peter Wurz , Rico G. Fausch

Frame quality deterioration is one of the main challenges in the field of video understanding. To compensate for the information loss caused by deteriorated frames, recent approaches exploit transformer-based integration modules to obtain…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Guanxiong Sun , Chi Wang , Zhaoyu Zhang , Jiankang Deng , Stefanos Zafeiriou , Yang Hua

Integrating an RGB camera into a ToF imaging system has become a significant technique for perceiving the real world. The RGB guided ToF imaging system is crucial to several applications, including face anti-spoofing, saliency detection,…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Xin Qiao , Matteo Poggi , Pengchao Deng , Hao Wei , Chenyang Ge , Stefano Mattoccia

Scene motion, multiple reflections, and sensor noise introduce artifacts in the depth reconstruction performed by time-of-flight cameras. We propose a two-stage, deep-learning approach to address all of these sources of artifacts…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Qi Guo , Iuri Frosio , Orazio Gallo , Todd Zickler , Jan Kautz

Recent advancements in deep neural networks have made remarkable leap-forwards in dense image prediction. However, the issue of feature alignment remains as neglected by most existing approaches for simplicity. Direct pixel addition between…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Shihua Huang , Zhichao Lu , Ran Cheng , Cheng He

A major issue with Time of Flight sensors is the presence of multipath interference. We present Sparse Reflections Analysis (SRA), an algorithm for removing this interference which has two main advantages. First, it allows for very general…

计算机视觉与模式识别 · 计算机科学 2014-03-25 Daniel Freedman , Eyal Krupka , Yoni Smolin , Ido Leichter , Mirko Schmidt

Video inpainting aims to fill spatio-temporal "corrupted" regions with plausible content. To achieve this goal, it is necessary to find correspondences from neighbouring frames to faithfully hallucinate the unknown content. Current methods…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Xueyan Zou , Linjie Yang , Ding Liu , Yong Jae Lee

Long-distance depth imaging holds great promise for applications such as autonomous driving and robotics. Direct time-of-flight (dToF) imaging offers high-precision, long-distance depth sensing, yet demands ultra-short pulse light sources…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Manchao Bao , Shengjiang Fang , Tao Yue , Xuemei Hu

Transient imaging or light-in-flight techniques capture the propagation of an ultra-short pulse of light through a scene, which in effect captures the optical impulse response of the scene. Recently, it has been shown that we can capture…

计算机视觉与模式识别 · 计算机科学 2015-12-22 Ryuichi Tadano , Adithya Kumar Pediredla , Kaushik Mitra , Ashok Veeraraghavan