<title>Use of laser radar imagery in optical pattern recognition: the Optical Processor Enhanced Ladar (OPEL) Program</title>

Abstract

The Optical Processor Enhanced Ladar (OPEL) program is designed to evaluate the capabilities of a seeker obtained by integrating two state-of-the-art technologies, laser radar, or ladar, and optical correlation. The program is a thirty-two month effort to build, optimize, and test a breadboard seeker system (the OPEL System) that incorporates these two promising technologies. Laser radars produce both range and intensity image information. Use ofthis information in an optical correlator is described. A correlator with binary phase input and ternary amplitude and phase filter capability is assumed. Laser radar imagery was collected on five targets over 360 degrees ofazimuth from 3 elevation angles. This imagery was then processed to provide training sets in preparation for filter construction. This paper reviews the ladar and optical correlator technologies used, outlines the OPEL program, and describes the OPEL system.

Simulation design of 3D point cloud for pulse Lidar

“…3. Detector scanning generation: obtain the distance and echo intensity data between the laser and the target by scanning the target through the motion of the platform and the sensor [6] , and scan all areas on the target to obtain the target range image and intensity image.…”