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A uniform and flexible model for three-dimensional measurement of line-structured light sensor

Line-structured light sensor is a three-dimensional measurement method which combines the advantage of high precision and speed, applicable in many fields. The mathematical model of line-structured light sensor is an essential foundation which determines measurement precision. Through the comparison of the three representative models which are deduced from different starting points and analysis of the model constraint conditions, we build a uniform and flexible model which shows the common characteristics and connections of the previous models and combines the flexibility and clear geometric meanings of the structured parameters with a correctable constraint condition. It is suitable to most conditions and structured parameters design of line-structured light sensor.