VOA慢速英语:摄像机和机器能识别你脸上的表情吗？

sensor – n. a device that detects or senses heat, light, sound, motion and then reacts to it in a particular way

perspiration – n. clear liquid that forms on skin when a person is hot or nervous

passive – adj. something that happens without specific action being taken

visual – adj. related to seeing

quantitative – adj. relating to how much there is of something

stimulus – n. something that causes something else to happen

algorithm – n. set of steps that are followed in order to solve a mathematical problem or to complete a computer process

enhancement – n. an improvement in something

detection – n. the act of identifying the presence of something

data – n. facts, numbers and other information