The first step toward understanding neural nets is to abstract from the biological neuron, and to focus on its character as a threshold logic unit (TLU).
理解神经网络的第一步是从对抽象生物神经开始，并把重点放在 阈值逻辑单元（TLU）这一特征上。
2
Image character information is dug up with dividing up threshold value.
用阈值分割方法对图像信息特征进行提取。
3
To solve this problem, using double threshold value takes the place of characterthreshold value in the former algorithm.