Patent ID: 9643214
Date: 2017-05-09
CPC Classifications: B07C,G06T

Claim:
1. A method for sorting pieces of rock containing quartz vein from pieces of rock, the method comprising: receiving an electric signal representing an image of a piece of rock to be sorted; determining a number of pixels in the image having a predetermined color value that is indicative of a presence of quartz; and in a case where the number of pixels having the predetermined color value exceeds a predetermined threshold value, identifying, from the electric signal representing image, linear forms between an area of pixels having the predetermined color value and an area of pixels representing a remainder of the piece of rock; and in a case where the linear forms are identified between the area of the pixels having the predetermined color value and the area of pixels representing the remainder of the piece of rock, generating a control signal for controlling a deviator device to perform a sorting action for sorting the piece of rock having the linear forms.