On-line flatness measurement in the steelmaking industry
J Molleda, R Usamentiaga, DF Garcίa - Sensors, 2013 - mdpi.com
Shape is a key characteristic to determine the quality of outgoing flat-rolled products in the
steel industry. It is greatly influenced by flatness, a feature to describe how the surface of a …
steel industry. It is greatly influenced by flatness, a feature to describe how the surface of a …
Fast and robust laser stripe extraction for 3D reconstruction in industrial environments
R Usamentiaga, J Molleda, DF García - Machine Vision and Applications, 2012 - Springer
The use of 3D reconstruction based on active laser triangulation techniques is very complex
in industrial environments. The main problem is that most of these techniques are based on …
in industrial environments. The main problem is that most of these techniques are based on …
A profile measurement system for rail quality assessment during manufacturing
J Molleda, R Usamentiaga, ÁF Millara… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Steel rails used in the transport sector and in industry are designed and manufactured to
support high stress levels generated by high-speed and heavy-loaded modern trains. In the …
support high stress levels generated by high-speed and heavy-loaded modern trains. In the …
An improved 3D imaging system for dimensional quality inspection of rolled products in the metal industry
J Molleda, R Usamentiaga, DF García, FG Bulnes… - Computers in …, 2013 - Elsevier
Measurement, inspection and quality control in industry have benefited from 3D techniques
for imaging and visualization in recent years. The development of machine vision devices at …
for imaging and visualization in recent years. The development of machine vision devices at …
Effect of build orientation and part thickness on dimensional distortion in material jetting processes
Purpose The purpose of this paper is to elucidate the effect of part thickness and build
orientation upon the type and magnitude of distortion in material jetting processes …
orientation upon the type and magnitude of distortion in material jetting processes …
In-line dimensional inspection of warm-die forged revolution workpieces using 3D mesh reconstruction
D Mejia-Parra, JR Sánchez, O Ruiz-Salguero… - Applied Sciences, 2019 - mdpi.com
Industrial dimensional assessment presents instances in which early control is exerted
among “warm”(approx. 600∘ C) pieces. Early control saves resources, as defective …
among “warm”(approx. 600∘ C) pieces. Early control saves resources, as defective …
Distortion calibrating method of measuring rail profile based on local affine invariant feature descriptor
C Wang, Z Ma, Y Li, J Zeng, T Jin, H Liu - Measurement, 2017 - Elsevier
Measuring rail profile in the presence of multiple degrees of freedom vibration is a very
challenging task. This paper presents a novel method based on the local affine invariant …
challenging task. This paper presents a novel method based on the local affine invariant …
Structured-light sensor using two laser stripes for 3D reconstruction without vibrations
R Usamentiaga, J Molleda, DF Garcia - Sensors, 2014 - mdpi.com
3D reconstruction based on laser light projection is a well-known method that generally
provides accurate results. However, when this method is used for inspection in uncontrolled …
provides accurate results. However, when this method is used for inspection in uncontrolled …
Temperature measurement using the wedge method: Comparison and application to emissivity estimation and compensation
R Usamentiaga, DF García, J Molleda… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
Temperature measurement based on infrared radiation depends on correctly adjusted
emissivity. However, emissivity configuration is complex as emissivity is not normally known …
emissivity. However, emissivity configuration is complex as emissivity is not normally known …
A cross structured light sensor and stripe segmentation method for visual tracking of a wall climbing robot
In non-destructive testing (NDT) of metal welds, weld line tracking is usually performed
outdoors, where the structured light sources are always disturbed by various noises, such as …
outdoors, where the structured light sources are always disturbed by various noises, such as …