其中，数字信号处理技术与数字图像处理技术是实现基于多目标识别的自动乘客计数技术的前提与基础，多目标检测与跟踪计数算法是技术实现与应用的核心。
Technologies of digital signal processing and digital image processing are the basis of APC, and multi-objects detecting and tracking algorithm is the essential factor to implement it.
利用CMOS图像传感器与DSP芯片构成一个高速动态成像系统。由dsp电路驱动CMOS芯片并通过片上AD变换后输出数字信号并即时进行处理。
An imaging system with a CMOS image sensor and a DSP chip are built to get high-speed dynamic image.
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