A Method And Apparatus For Determining The Quality Of An Image Of An Agricultural Field Using A Plurality Of Fuzzy Logic Input Membership Functions

Qin Zhang (Inventor), John F Reid (Inventor), Eric Benson (Inventor)

Research output: Patent

Abstract

A combine having a camera system is disclosed in which pictures of the ground in front of the vehicle are processed to extract the slope and intercept of a characteristic line indicative of the boundary between the cut and uncut portions of the field. A fuzzy logic algorithm compares the slope and intercept using four input membership functions and a single output membership function. If the slope and intercept extracted from the image are deemed acceptable, they are used to navigate the vehicle through the field. If they are not acceptable, the combine continues to use slope and intercept values previously deemed acceptable to guide the vehicle. This process of image data extraction and quality analysis continues repetitively as the combine traverses the field harvesting crops.
Original languageEnglish (US)
U.S. patent number6714662
StatePublished - Mar 30 2004

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