I look at StarJeweled's playfield and I see hope.

而当我注视《宝石迷阵》的战场时，我从中看到了希望。

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The semantic analysis can be focused on the playfield by the playfield detection.

球场区域检测可以将语义分析的重点放在球场之上；

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We propose a new algorithm for playfield color detection based on intrinsic image.

本文提出了一种基于本征图像的自动球场颜色检测算法。

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Heighway Pinball's solution is to introduce inductive switch technology: solid state sensors beneath the playfield, well out of the way of flying steel balls, which are triggered when a ball passes by without any physical contact.

BBC: Flipping heck: Is pinball about to stage a recovery?