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Updated: Jul 12, 2025

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InSPECtor:一个端到端的设计框架,用于压缩性像素化超光谱仪器.

T A Stockmans, F Snik, M Esposito

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    PubMed
    概括

    这项研究引入了一种用于设计快照超谱成像器的新框架. 它在传感器层面实现了显著的数据压缩,与传统方法相比,数据量减少了40倍.

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    Upsampling01:22

    Upsampling

    Managing signal sampling rates is essential in digital signal processing to maintain signal integrity. A decimated signal, characterized by a reduced frequency range due to its lower sampling rate, can be upsampled by inserting zeros between each sample. This upsampling process expands the original spectrum and introduces repeated spectral replicas at intervals dictated by the new Nyquist frequency. To refine this zero-inserted sequence, it is passed through a lowpass filter with a cutoff...
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