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Related Experiment Video

Updated: May 19, 2026

Applying Hyperspectral Reflectance Imaging to Investigate the Palettes and the Techniques of Painters
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Published on: June 18, 2021

Spaceborne snapshot compressive hyperspectral imaging.

Zhenming Yu1,2, Liming Cheng3, Jingyue Ma3

  • 1State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, China. yuzhenming@bupt.edu.cn.

Light, Science & Applications
|May 17, 2026
PubMed
Summary
This summary is machine-generated.

The world's first compact computational imaging hyperspectral payload, BUPT-spectra01, was launched, enabling fast, compressed data acquisition for Earth observation. This technology advances real-time hyperspectral imaging for applications like disaster management and environmental monitoring.

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Area of Science:

  • Aerospace Engineering
  • Remote Sensing Technology
  • Computational Imaging

Background:

  • Traditional hyperspectral payloads face limitations in acquisition speed, data volume, and cost, hindering real-time Earth observation.
  • Existing technologies present challenges for broad-scale in-orbit deployment due to complex optics and high expenses.

Purpose of the Study:

  • To introduce the world's first compact spaceborne snapshot compressive hyperspectral payload, BUPT-spectra01.
  • To demonstrate a novel computational imaging approach for efficient hyperspectral data acquisition and processing.
  • To enable high-speed, high-resolution hyperspectral imaging for diverse Earth observation applications.

Main Methods:

  • Development of a compact, low-cost snapshot compressive hyperspectral payload (BUPT-spectra01) utilizing a reflective coding structure.
  • Single-exposure 47-band hyperspectral imaging with 6.5 nm spectral resolution and 47x data compression.
  • Implementation of a novel spatial-spectral inference neural network (SSI-Net) for accurate hyperspectral information reconstruction.
  • Achieving video-level hyperspectral observation with a frame rate of 30 frames per second.

Main Results:

  • Successful launch and operation of BUPT-spectra01, a compact (1.535 kg) and cost-effective hyperspectral payload.
  • Demonstrated high-speed data acquisition (1 ms exposure) and significant data compression (47x).
  • Validated accurate ground cover classification using hyperspectral features in orbit.
  • Achieved video-level hyperspectral imaging capabilities.

Conclusions:

  • BUPT-spectra01 represents a significant advancement in spaceborne hyperspectral imaging, overcoming limitations of traditional systems.
  • The payload's compact design, high speed, and data compression capabilities pave the way for widespread satellite internet applications.
  • This computational imaging approach shows strong potential for real-time hyperspectral observation in disaster management, environmental monitoring, and resource exploration.