Media validator and a method of classifying the defect

Kind of media item in a method of classifying defects. Said method comprising the steps of: receiving a binary image of the media item, wherein said binary image comprises a plurality of pixels, each pixel having a potential defect intensity or luminance defects; and identifying one or more consecutive pixels comprising the spot wherein each pixel has a continuous potential defect intensity. The size of the spot for spot will include the method of each of the identified damage threshold; if the spot size is less than the damage threshold of ignoring the spot; and each having a size greater than or equal the damage threshold identified spots, the identified blob classification.