Multi-Material Decomposition Research Based on Spectral Diffusion Posterior Sampling Background Introduction In the field of medical imaging, CT (Computed Tomography) technology is widely used in disease diagnosis and treatment planning. In recent years, spectral CT has become a research hotspot due to its ability to provide energy-dependent attenu...

Research on Driver Stress Estimation Based on Visual Road Scenes Academic Background Driver stress is a significant factor contributing to traffic accidents, injuries, and fatalities. Studies show that 94% of traffic accidents are related to drivers, with inattention, internal and external distractions, and improper speed control all closely linked...

Interdisciplinary Advances in Microcomb Technology: Bridging Physics and Information Technology Academic Background The optical frequency comb (OFC) is a technology that divides the optical frequency domain into a series of discrete, equally spaced frequency lines. It has been widely used in precision measurements, optical communications, atomic cl...

Large field-of-view, single-cell-resolution two- and three-photon microscope for deep and wide imaging Research Background and Problem Statement Multiphoton microscopy (MPM) is a powerful tool for deep tissue imaging, especially in the study of brain function in vivo. However, while traditional two-photon microscopy (2PM) can achieve a larger imagi...

Study on Quantum Efficiency and Recombination Mechanism of Solar Cells Academic Background In the field of solar cell research, quantum efficiency (Quantum Efficiency, QE) is a core metric for evaluating device performance. It reflects the efficiency of incident photons being converted into electron-hole pairs, thereby revealing key information abo...