The description of cuttings is an important procedure in oil logging,and the digitization of cuttings′ description is a tendency for modern oil logging.A cuttings recognition system based on a linear CCD combined with a micro lens is introduced in this paper.To obtain clear images,the optimal configuration of the system was determined through designing the control program of linear CCD and adjusting parameters of the CCD and the micro lens.Image processing software was developed with the functio...