Accurate camera calibration is a challenging task required for 3D reconstruction sensors. In
structured light sensors based on laser line projection, it is necessary to determine the …

Abstract Convolutional Neural Networks (CNN) is already known as strong tools in various
fields particularly in image processing and computer vision. This paper aims to exploit the …

Abstract Coordinate Measuring Machines (CMMs) are widely used by industry to measure
the geometrical features of parts. For a CMM to accurately measure the geometrical features …

Rail corrugation dynamic measurement techniques are essential to guide rail maintenance
and ensuring the safety of railway transportation. However, the effective measuring …

The welding assemblies are the main components of the platform screen door system, which
can offer the subway with safety, economy, and silence. The deformed welding assemblies …

Calibration and registration are two challenging tasks required by a real-time inspection
system for long steel products based on multiple three-dimensional sensors. Spatial …

The laser scanning measurement system has a pivotal role in precision measurement
thanks to the non-contacting and low-cost advantages, but traditional methods and systems …

Combination-chord model (CCM), specially designed to broaden the range of rail
corrugation measurement, still faces two troubles including the measuring point deviation …

This paper deals with the problem of measuring the flatness of rails in the final stage of their
manufacturing. The flatness must be measured repeatedly along the total length of the rails …

Surface metrology is crucial task in automated quality control. The measurement of surface
features such as regular and irregular patterns, roughness, waviness, flatness and …