Arc guide rail type signal camera measurement system and measurement method thereof

The invention discloses an arc guide rail type single camera measurement system, which comprises an arc guide rail, a photogrammetry camera, a motor and a tool/bracket, wherein a to-be-measured product is placed on the tool/bracket; the arc guide rail is arranged at the top of the tool/bracket; the photogrammetry camera is fixed on the arc guide rail through the motor; and the motor drives the photogrammetry camera to move on the arc guide rail. The invention also disclose a measurement method, which comprises the following steps of S1, establishing a tool/bracket identification code and a measurement reference; S2, preparing before product measurement; and S3, operating the arc guide rail type single camera measurement system, establishing the measurement reference, solving a coordinate value of a measurement point on the product through system analysis, computation and conversion, and storing a measurement value and supporting the output of various formats. The system has the characteristics of convenient a