1. A passive long wave cochlea model is applied to extract audial feature of naval vessel radiation noise. 为提取舰船噪声听觉特征,应用被动长波模型对舰船噪声进行了分析,得到噪声信号的二维时空分布。
2. Video contains rich semantic information which can be represented by multi-modal features including textural, visual and audial features. 视频蕴涵了丰富的语义信息,可以用文本、视觉和听觉特征等多模态特征表达。