Method and device for monitoring and controlling laser machining processes

A method for monitoring and controlling a laser machining process on a workpiece, the method comprising:

• generating a recording of an environment of a process zone generated by a machining laser beam in the workpiece using an image recording device;
• removing interference factors in the recording using an artificial intelligence method in an image processing device, the interference factors comprising at least one of process light, soot, or material splashes;
• detecting geometric workpiece properties based on the recording that is free of the interference factors using the artificial intelligence method, the geometric workpiece properties comprising at least one of workpiece edges or height changes;
• generating an input signal for a downstream image processing algorithm from the recording that is free of the interference factors and containing information of the geometric workpiece properties;
• and
• determining a correction value for at least one control parameter for a path of the machining laser beam over the workpiece using the image processing algorithm.