Line structured light system has made rapid progress in recent years owing to the
improvement of camera resolution and image processing technology. The calibration of line …

Multiple laser stripe measurement (MLSM) is a vital technique in optical three-dimensional
(3D) measurement. The accurate extraction of the laser stripe centerlines plays a decisive …

Center extraction of stripe images is a key technique of line structured light sensors (LSLSs).
As the original data for profile computation, the extraction results, which are highly affected …

Environmental sensing is a key technology for the development of unmanned cars, drones
and robots. Many vision sensors cannot work normally in an environment with insufficient …

Initial welding position guidance is necessary for vision-based intelligentized robotic
welding. In this paper, we proposed a point cloud based approach to recognize working …

In the robotic welding process with thick steel plates, laser vision sensors are widely used to
profile the weld seam to implement automatic seam tracking. The weld seam profile …

In this paper, a novel method for the effective extraction of the light stripes in rail images is
proposed. First, a preprocessing procedure that includes self-adaptive threshold …

A line structured light sensor (LSLS) is generally constituted of a laser line projector and a
camera. With the advantages of simple construction, non-contact, and high measuring …

The precise extraction of laser stripe centerlines is critical for line-laser 3D scanning
systems. However, conventional methods relying on threshold segmentation and …

Existing laser scanning approaches for highly reflective surfaces generally require multiple
scans to cope with specular reflection. This paper proposes a dual-camera, line-laser …