It was composed of four modules: image preprocess, feature extraction, HMM-based training and word recognition.

该系统由图像预处理、特征提取、基于HMM的训练和识别四个模块组成。

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It was composed of four modules: image preprocess, feature extraction, HMM-based training and word recognition.

该系统由图像预处理、特征提取、基于HMM的训练和识别四个模块组成。

youdao