A Photoacoustic Image Optimization Method Using Deconvolution Operation
A technology of photoacoustic image and optimization method, applied in image detector method and image signal processing, image enhancement, image analysis, etc. Problems such as artifacts
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[0042] Such as figure 1 As shown, the present invention provides an image optimization method that can improve image quality and ensure reconstruction speed and efficiency without loss of information, including the following steps:
[0043] Step 1: Use the photoacoustic data acquisition equipment shown in Figure 2 below to regard the extremely thin object as an ideal point source, irradiate the point source with a pulsed laser, and use an array sensor to receive the sound pressure signal p at the same time d (r 0 , t), where r 0 is the sensor coordinate vector parameter, t is the time parameter;
[0044] Step 2, the group of signals includes N channel data. Under normal circumstances, ignoring the delay difference, the waveform of each channel data can be regarded as consistent, so the useful signal segment of any channel is intercepted, and the signal segment can be regarded as The thermal expansion characteristics of biological tissue and the total system response of this...
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