Laser ranging measurements using incoherent pulse compression of complementary code pairs is reported. The two bipolar codes are converted to unipolar representations using a pulse position modulation algorithm, and used in succession in intensity modulation of a laser ranging source. Reflected echoes from a wall target are directly and incoherently detected. The cross-correlation between each ...

Laser Range Finder (LRF) is a most commonly used sensor for non-contact distance measurement and its applications cover wide areas of civil and defense. This paper discusses the design of Time of Flight (TOF) based single channel pulsed LRF, in which single optical channel has been used for transmitting and receiving of laser pulse with the day sighting capability. It offers considerable size r...

ground-based laser range finder have got more concerned. In our previous research, a method of automated In this paper, a method of fusing ground-based laser registration of two views of laser range image was range image and CCD image for the reconstruction of proposed [4,51, and showed promising results with some textured 3 0 urban object is proposed. An acquisition preliminary experiment. The...

A basic issue of mobile robotics is the automatic generation of environment maps. This paper presents novel results for the reconstruction of textured 3D maps with an autonomous mobile robot, a 3D laser range finder and two pan-tilt color cameras. Building 3D maps involves a number of fundamental scientific issues. This paper adresses the issue of how to fuse the geometry data of the 3D laser r...

In this paper, we propose a three-dimensional (3-D) measurement method of objects in liquid with a laser range finder. When applying vision sensors to measuring objects in liquid, we meet the problem of an image distortion. It is caused by the refraction of the light on the boundary between the air and the liquid, and the distorted image brings errors in a triangulation for the range measuremen...

The work discussed in this article concentrates on applying a laser range finder instead of a silicon retina. The laser range finder is maximal focused at any time, but therefore a lowresolution total-scene-image, available with camera-like devices from scratch on, cannot be used here. By adapting a couple of algorithms, the edge-scanning module steering the laser range finder is able to trace ...

This paper describes theoretical and experimental results for the auto-calibration of sensor platform consisting of a camera and a laser range finder. Real-world use of autonomous sensor platforms often requires the re-calibration of sensors without an explicit calibration object. The constraints are based upon data captured simultaneously from the camera and the laser range finder while the se...