目的探求一种基于亮度不变的医学超声图像对比度增强方法。
Objective To explore contrast enhancement method of medical ultrasonic images based on preserving brightness.
恒定电流源可以避免因输入电压的波动使LED的驱动电流波动并维持LED的亮度不变。
Constant current source can avoid the fluctuations of output current due to the fluctuations of input voltage, and maintain the brightness of LED.
本文提出了一种基于几何仿射不变量和亮度不变量的缺失摄像机标定参数图像的立体匹配方法。
In this paper, a stereo matching method for image uncalibrated camera parameter is proposed, which is based on geometric affine invariant and photometric invariant.
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