A satisfactory recognition rate can not be obtained sometimes because of some factors affected by light conditions and plate's cleanness in vehicle recognition systems.

由于受光照条件、牌照自身清洁程度等因素影响，车牌识别系统往往达不到满意的字符识别率。

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Generally speaking, the image segmentation method adopted in vehicle license plate recognition systems at present is not efficient due to its large search space.

因搜索空间太大，现有的车牌号码识别系统所采用的图象分割方法一般说来效率较低。

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With the likes of Google, Nuance and Vlingo now offering mobile speech-recognition services for phones, and the development of entertainment systems and vehicle communication, such as Ford's Sync platform, Parakeet may be flying into a growing market.

ECONOMIST: Better speech-recognition technology