Interconnection line defect detection system and method based on phase-locked synchronous image processing

The invention relates to the technical field of infrared thermal imaging detection, and provides an interconnection line defect detection system and method based on phase-locked synchronous image processing, and the system comprises a controller which is used for transmitting a control signal to an excitation control module; the excitation power supply module is used for generating corresponding excitation current according to the excitation signal, and the excitation power supply module is electrically connected with a power supply pin or a function pin of the to-be-tested object; the image acquisition module is used for acquiring a thermal infrared image of periodic thermal waves generated by the to-be-detected object under the condition of current excitation; the processing module is used for analyzing and processing the acquired thermal infrared image to obtain a temperature signal of the to-be-detected object, performing phase-locking correlation processing on the temperature signal by taking the tempera