A Low Cost and Easy to Use Setup for Foot Scanning

Lovato, Christian; Bissolo, E.; Lanza, N.; Stella, Alessandro; Giachetti, Andrea

doi:10.15221/14.365

Cited by 7 publications

(4 citation statements)

References 7 publications

(7 reference statements)

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“…Being user-friendly, the scanner is easy to handle, making it suitable for scanning complex objects. Additionally, it uses advanced technology to rapidly generate high-quality 3D scans of objects and surfaces [21][22][23][24][25][26][27].…”

Section: Methodsmentioning

confidence: 99%

“…Equation ( 23) determines the length of OK (one of the sides of the triangle) in terms of length l 1 , length l 2 , and the cosine of angle θ 2 . OK = l 1 + l 2 cos θ 2 (23) (a) (b) Simulations were performed to generate the trajectory of the proposed arm for mated scanning using a Solidworks design program. In order to simulate the trajec of the arm's micrometer, the Motion Control function in Solidworks was used follo the scanned path represented in Figures 8 and 9.…”

Section: Automation Of the Scanning Proceduresmentioning

confidence: 99%

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Inverse Kinematics Proposal to Automatize the 3D Scanning of Handball Shoes by Using a Robotic Arm with 3 Actuated Joints

Pancu,

Șuteu,

Vesselenyi

et al. 2023

Applied Sciences

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The purpose of this paper is to present a procedure for automating the scanning process based on a mathematical model for a handheld 3D scanner for shoes used in some indoor sports. The study aims to use inverse kinematics to automate 3d footwear scanning used for indoor sport (handball) using a robotic arm with three joints. A modeling of the robotic arm and final effector was performed, to simulate the minimum and maximum trajectory of the robot arm according to the angles shown based on the mathematical model and inverse kinematics. With an easy-to-use interface and ergonomic design, this 3D scanning solution offers the versatility to scan various objects (such as scanning two shoe models used in indoor sports) and complex surface types. This scanning manner represents the state of the art of 3D scanning solutions as well as a benchmark in the 3D measurement equipment industry. The data obtained as a result of this research provide new directions and solutions for sports shoe scanning for indoor sports based on scanning trajectories preset by inverse kinematics in order to automate the scanning process using a handheld 3D scanner. Based on the mathematical model presented in the paper, automation of the scanning process can be achieved by maintaining the proposed trajectory using an automated arm operating through a control program that can be run on a simple controller.

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Section: Methodsmentioning

confidence: 99%

Section: Automation Of the Scanning Proceduresmentioning

confidence: 99%

Inverse Kinematics Proposal to Automatize the 3D Scanning of Handball Shoes by Using a Robotic Arm with 3 Actuated Joints

Pancu,

Șuteu,

Vesselenyi

et al. 2023

Applied Sciences

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“…Weiss et al [ 27 ] used a Microsoft Kinect to obtain a 3D model of a subject from multiple views around the body, avoiding the use of expensive devices. In [ 28 ], the authors were able to obtain a 3D model of a foot from multiple images around it using a PrimeSnese Carmine 1.09 and augmented reality markers. Jedvert [ 29 ] also used a Microsoft Kinect to obtain a 3D model of the head with hight quality textures.…”

Section: Introductionmentioning

confidence: 99%

A Quantitative Comparison of Calibration Methods for RGB-D Sensors Using Different Technologies

Villena-Martínez

Fuster-Guilló

Azorín-López

et al. 2017

Sensors

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RGB-D (Red Green Blue and Depth) sensors are devices that can provide color and depth information from a scene at the same time. Recently, they have been widely used in many solutions due to their commercial growth from the entertainment market to many diverse areas (e.g., robotics, CAD, etc.). In the research community, these devices have had good uptake due to their acceptable level of accuracy for many applications and their low cost, but in some cases, they work at the limit of their sensitivity, near to the minimum feature size that can be perceived. For this reason, calibration processes are critical in order to increase their accuracy and enable them to meet the requirements of such kinds of applications. To the best of our knowledge, there is not a comparative study of calibration algorithms evaluating its results in multiple RGB-D sensors. Specifically, in this paper, a comparison of the three most used calibration methods have been applied to three different RGB-D sensors based on structured light and time-of-flight. The comparison of methods has been carried out by a set of experiments to evaluate the accuracy of depth measurements. Additionally, an object reconstruction application has been used as example of an application for which the sensor works at the limit of its sensitivity. The obtained results of reconstruction have been evaluated through visual inspection and quantitative measurements.

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“…They facilitated the use of the actual foot shapes, and not just measurements, in digital product design [23,24,25]. Since then, different technologies have been developed to gather the actual 3D shape of feet including laser, structured light, stereophotogrammetry [26] and, more recently, depth sensors [27]. Despite their accuracy, they are too bulky and expensive to be used at retail shops or at home.…”

Section: Introductionmentioning

confidence: 99%

Fast, Portable and Low-Cost 3D Foot Digitizers: Validity and Reliability of Measurements

Ballester¹,

Pierola²,

Parrilla³

et al. 2017

Proceedings of 3DBODY.TECH 2017 - 8th International Conference and Exhibition On 3D Body Scanning and Processing Technologies,

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This paper presents partial results of a larger validation study of two innovative products based on Data-driven 3D Reconstruction (D3DR) technology: a smartphone app, Avatar3D, and a portable booth, DomeScan. This study quantifies the reliability (Standard Error of Measurement, SEM, Intra-class Correlation Coefficient, ICC) of the automatic foot measurements elicited by these solutions and compares it to traditional anthropometry and to a commercial laser foot scanner. Moreover, it assesses the compatibility (systematic bias) of measurements among these techniques. The results show that, for the six measurements assessed, D3DR is as reliable as high resolution 3D scanners and more reliable than manual measurements made by an expert. Due to its lower cost, speed and portability they could be more suitable for retail and home environments than actual 3D scanners.

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A Low Cost and Easy to Use Setup for Foot Scanning

Cited by 7 publications

References 7 publications

Inverse Kinematics Proposal to Automatize the 3D Scanning of Handball Shoes by Using a Robotic Arm with 3 Actuated Joints

Inverse Kinematics Proposal to Automatize the 3D Scanning of Handball Shoes by Using a Robotic Arm with 3 Actuated Joints

A Quantitative Comparison of Calibration Methods for RGB-D Sensors Using Different Technologies

Fast, Portable and Low-Cost 3D Foot Digitizers: Validity and Reliability of Measurements

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