a, the diagram of transmissive-detected laser speckle contrast imaging (TR-LSCI) system. b, the diagram of conventional reflective-detected LSCI system. c, comparison between TR-LSCI and conventional ...
LSCI emphasizes large surface veins and heartbeat-locked speckle changes (top raw); IPPG emphasizes tissue pulsations (bottom raw). Beat-normalized time courses from both methods co-evolve, revealing ...
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