adaptive threshold的用法和样例：
例句
- In this paper a new skin detection method based on adaptive thresholds is proposed.
摘要提出了一种基于自适应阈值的肤色检测算法。 - For the nonstationarity and spectrum chaos of the bearing vibration signal, threshold denoising based on wavelet decomposition was put forward.
针对轴承振动的非平稳性特点和频谱成分的混杂性，提出了基于小波的信号自适应阈值降噪法。
