arXiv:2509.03543eess.IVphysics.optics2025-09

将单像素成像迁移到潜在空间,低采样下仍能高保真重建。

Latent Space Single-Pixel Imaging Under Low-Sampling Conditions

  • 在潜在空间中进行单像素成像,突破传统像素域限制。
  • 低采样率下信噪比更高,细节更丰富,可恢复高频信息。
  • 模型参数少、速度快,适合实际部署的低采样场景。

近年来,深度学习在单像素成像领域受到广泛关注。然而,传统网络多工作于像素空间。为此,本文创新性地将单像素成像迁移至潜在空间,提出LSSPI(Latent Space Single-Pixel Imaging)框架。在潜在空间中,深入探索了单像素成像的重建与生成任务。该方法在低采样率条件下显著提升成像性能:相较于传统深度学习网络,LSSPI在同等采样率下不仅重建图像信噪比更高、细节更丰富,还能实现盲去噪并有效恢复高频信息。此外,通过潜在空间迁移,LSSPI在模型参数效率和重建速度方面具有显著优势,计算效率优异,使其成为低采样单像素成像的理想解决方案,有力推动了该技术的实际应用。

原文摘要 · Abstract (English)

In recent years, the introduction of deep learning into the field of single-pixel imaging has garnered significant attention. However, traditional networks often operate within the pixel space. To address this, we innovatively migrate single-pixel imaging to the latent space, naming this framework LSSPI (Latent Space Single-Pixel Imaging). Within the latent space, we conduct in-depth explorations into both reconstruction and generation tasks for single-pixel imaging. Notably, this approach significantly enhances imaging capabilities even under low sampling rate conditions. Compared to conventional deep learning networks, LSSPI not only reconstructs images with higher signal-to-noise ratios (SNR) and richer details under equivalent sampling rates but also enables blind denoising and effective recovery of high-frequency information. Furthermore, by migrating single-pixel imaging to the latent space, LSSPI achieves superior advantages in terms of model parameter efficiency and reconstruction speed. Its excellent computational efficiency further positions it as an ideal solution for low-sampling single-pixel imaging applications, effectively driving the practical implementation of single-pixel imaging technology.

单像素成像潜在空间低采样深度学习

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