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Robust gas species and concentration monitoring via cross-talk transformer with snapshot infrared spectral imager
Yang Yang†,
Zi Wang†,
Pengyu Wang,
Guoliang Tang,
Chengyu Liu,
Chunlai Li*,
Jianyu Wang*
†: Equal contributions.
*: Corresponding author.
Sensors and Actuators B: Chemical(SNB) , 2024
We propose the cross-talk transformer for fast and accurate gas identification and concentration estimation via hyperspectral infrared spectrometer.
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Single-pixel p-graded-n junction spectrometers
Jingyi Wang†,
Beibei Pan†,
Zi Wang†,
Jiakai Zhang,
Zhiqi Zhou,
Lu Yao,
Yanan Wu,
Wuwei Ren,
Jianyu Wang,
Haiming Ji,
Jingyi Yu*,
Baile Chen*
†: Equal contributions.
*: Corresponding author.
Nature Communications(NC) , 2024
arXiv
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data
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Supplementary Information
We propose a III-V material based um-size miniaturized spectrometers with tailored Neural Spectral Fields (NSF) method to achieve 0.30nm wavelength accuracy and 10 nm spectral resolution.
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Non-line-of-sight imaging via neural transient fields
Siyuan Shen†,
Zi Wang†,
Ping Liu,
Zhengqing Pan,
Ruiqian Li,
Tian Gao,
Shiying Li*,
Jingyi Yu*
†: Equal contributions.
*: Corresponding author.
IEEE Transactions on Pattern Analysis and Machine Intelligence(TPAMI) , July 2021
project page
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arXiv
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code
We propose the neural transient fields with Non-line-of-sight(NLOS) rendering methods to solve the NLOS imaging problem.
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Enhancing Non-line-of-sight Imaging via Learnable Inverse Kernel and Attention Mechanisms
Yanhua Yu,
Siyuan Shen,
Zi Wang,
Binbin Huang,
Yuehan Wang,
Xingyue Peng,
Suan Xia,
Ping Liu,
Ruiqian Li,
Shiying Li*
*: Corresponding author.
IEEE/CVF International Conference on Computer Vision (ICCV), 2023
Webpage
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CVF webpage
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IEEE webpage
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Code
We propose a novel approach that enhances physics-based NLOS imaging methods by introducing a learnable inverse kernel in the Fourier domain and using an attention mechanism to improve the neural network to learn high-frequency information.
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Short-Wave Infrared Chip-Spectrometer by Using Laser Direct-Writing Grayscale Lithography
Zhiyi Xuan,
Zi Wang,
Qingquan Liu,
Songlei Huang,
Bo Yang,
Liyi Yang,
Zhiqin Yin,
Maobin Xie,
Chenlu Li,
Jingyi Yu,
Shaowei Wang*,
Wei Lu,
*: Corresponding author.
Advanced Optical Materials(AOM), October, 2022
We propose a Short-wave Infrared (SWIR) computational spectrometer achieving 2 nm spectral resolution in a wide range from 900 to 1700 nm.
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Onsite Non-Line-of-Sight Imaging via Online Calibration
Zhengqing Pan,
Ruiqian Li,
Tian Gao,
Zi Wang,
Siyuan Shen,
Ping Liu,
Tao Wu,
Jingyi Yu*,
Shiying Li*
*: Corresponding author.
IEEE Photonics Journal, October 2022
project page
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arXiv
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IEEE webpage
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code
We propose a physics-based calibration method for transient imaging including Line-of-sight(LOS) and Non-line-of-sight(NLOS) imaging.
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Real-Time Hyperspectral Video Acquisition with Coded Slits
Guoliang Tang,
Zi Wang,
Shijie Liu,
Chunlai Li*,
Jianyu Wang*
*: Corresponding author.
Sensors, 2022
We propose the coded slits to achieve real-time hyperspectral video acquisition. The video rate reaches 5Hz.
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