So the integrated method of differential frames arithmetic and complexion detection can make an instant and exact orientation of the driver's face.
对于司机面部器官的检测，首先要确定司机的脸部，我们采用帧间差分法和肤色检测相结合的方法。
A method of sound detection under strong noise conditions is advanced applying the theory of differential amplifier and utilizing transducers having different sensitivities.
提出了应用差动放大理论和灵敏度不同的传感器来完成强噪声环境下微弱声信号提取的方法。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
应用推荐