E-Capture Eyesmap Manuale utente

USER MANUAL

EYESMAP

Version 1.0

Revision A

June 2015

User Manual 2

Contents

1. Introduction .......................................................................................................................... 5

1.1. EyesMap Tablet............................................................................................................. 6

1.2. How does EyesMap work? ............................................................................................ 7

1.3. Eyesmap Standard Configuration Package.................................................................... 8

2. Technical Specifications ........................................................................................................ 9

2.1. Tablet........................................................................................................................... 10

2.2. Cameras....................................................................................................................... 11

2.3. Depth Sensor............................................................................................................... 11

2.4. GPS .............................................................................................................................. 11

2.5. IMU.............................................................................................................................. 12

3. Starting up with EyesMap ................................................................................................... 13

3.1. General Security Information...................................................................................... 14

3.2. Charging the battery ................................................................................................... 14

3.3. Transport..................................................................................................................... 15

3.4. Power Supply............................................................................................................... 15

3.5. Switching on the tablet ............................................................................................... 15

4. EyesMap Applications ......................................................................................................... 17

4.1. Main Application Screen ............................................................................................. 18

4.2. Standard Windows and Buttons ................................................................................. 19

4.3. Target Types and Their Use......................................................................................... 20

5. EyesMap Modules ............................................................................................................... 22

5.1. Menu ........................................................................................................................... 23

5.1.1. Main Application Screen ..................................................................................... 23

5.1.2. Project Management........................................................................................... 23

5.1.3. Camera Calibration.............................................................................................. 28

5.1.4. Camera Orientation............................................................................................. 29

5.1.5. Updating/Restoring EyesMap ............................................................................. 31

5.2. Point-to-Point Photogrammetry ................................................................................. 32

5.2.1. Photograph Capture and Management .............................................................. 32

5.2.2. Image Gallery ...................................................................................................... 36

5.2.3. Image Viewer....................................................................................................... 36

5.2.4. Choosing Orientation Mode................................................................................ 37

5.2.5. Scaling with the StereoTarget ............................................................................. 41

User Manual 3

5.2.6. Point-to-Point Measurement Screen .................................................................. 43

5.2.7. Results Screen and Export of Results .................................................................. 47

5.2.8. Orientation Errors ............................................................................................... 49

5.3. 3D Modelling ............................................................................................................... 50

5.3.1. Photograph Capture and Management .............................................................. 50

5.3.2. Image Gallery ...................................................................................................... 53

5.3.3. Image Viewer....................................................................................................... 53

5.3.4. Model Resolution Screen .................................................................................... 54

5.3.5. stereoTarget Scaling Screen ................................................................................ 56

5.3.6. Master and Secondary Image Selection Screens ................................................ 57

5.3.7. Results Screen ..................................................................................................... 63

5.4. Depth Sensor............................................................................................................... 65

5.4.1. RGBD Menu......................................................................................................... 65

5.4.2. Capture a 3D Model ............................................................................................ 66

5.4.3. Post-Processing Software.................................................................................... 71

5.4.4. 3D Viewer ............................................................................................................ 77

5.5. Orthophoto ................................................................................................................. 78

5.5.1. Photo Development and Management Screen................................................... 78

5.5.2. Image Gallery ...................................................................................................... 81

5.5.3. Image Viewer....................................................................................................... 81

5.5.4. Final Results Quality Selection Screen ................................................................ 82

5.5.5. Projection Plane Selection Screen....................................................................... 84

5.5.6. Screen for Indicating the Projecting Plane on the Image.................................... 84

5.5.7. Image Selection Screen to Choose the Control Points and the Reference Points

on the X Axis........................................................................................................................ 86

5.5.8. Control Points and Reference Points on Axis X Selection Screen ....................... 87

5.5.9. Additional Image Selection Screen to Choose more Control Points and more

Reference Points on the X Axis ........................................................................................... 90

5.6. GPS .............................................................................................................................. 92

5.6.1. Protocols.............................................................................................................. 92

5.6.2. COM Port Properties and Changing COM Port ................................................... 93

5.6.3. Real-Time Data Screen ........................................................................................ 96

5.6.4. Change Protocol .................................................................................................. 98

5.6.5. Post-Processing ................................................................................................. 102

6. Viewers.............................................................................................................................. 108

User Manual 4

6.1. MeshLab Touch ......................................................................................................... 109

6.2. Filters......................................................................................................................... 111

6.2.1. Remove Outliers................................................................................................ 111

6.2.2. Create Mesh ...................................................................................................... 112

6.2.3. Clean Noise........................................................................................................ 114

7. Practical Cases................................................................................................................... 116

7.1. Point-to-Point Photogrammetry ............................................................................... 117

7.1.1. Methodology..................................................................................................... 117

7.1.2. Orientation with Targets. .................................................................................. 139

7.1.3. Use of Targets.................................................................................................... 146

7.2. 3D Photomodelling.................................................................................................... 151

7.3. Depth Sensor............................................................................................................. 161

7.4. Orthophoto ............................................................................................................... 168

7.5. GPS ............................................................................................................................ 181

8. Orientation Errors ............................................................................................................. 192

User Manual 5

1. Introduction

In this chapter, we shall see:

EyesMap Tablet

How does Eyesmap work?

Eyesmap Standard Configuration

1 Introduction

User Manual 6

This document describes the detailed operation of the Eyesmap Tablet for each

individual module and feature. It intends to be a guide explaining the use of the

different modules, for you to get the best out of your Eyesmap tablet. This manual will

help you how best to capture 3D data in the field in order to obtain the best final results

possible.

1.1. EyesMap Tablet

EyesMap is a High Capacity Tablet PC that allows measurement, 3D modelling and

documentation of the environment around us. This measurement device, with its two

integrated and calibrated HR cameras, is based on photogrammetry, and in addition

relies on other sensors to capture detailed 3D models of the environment and complex

3D geometric objects quickly and conveniently.

The results obtained by this tablet are 3D models of both small objects, as well as mid-

sized and big objects containing millions of points. It allows real-time measurement of

coordinates, distances and surfaces and generation of real orthophotos. All these

results can be positioned geographically in real time thanks to the integrated GPS.

High Processing Capacity

Simple and intuitive Interface

High mobility due to the portability

and light weight of the device

Attractive and ergonomic design

High connectivity through USB,

Micro SD and HDMI.

Speed

High Resolution 3D models

generated.

Integrated inertal system

Integrated GPS

High speed data communication

through WLAN and 3G.

1 Introduction

User Manual 7

1.2. How does EyesMap work?

The measurement modules and the 3D Photo modelling are based on

photogrammetric techniques. Photogrammetry is a technique to determine the

geometric properties of an object from photographic images. By orienting the different

captured images of an object we can create stereoscopic view, allowing the generation

of 3-dimensional information.

In the following image the position of the cameras is displayed.

For 3D modelling indoors, the use of the depth sensor is recommended. This sensor is

projector of infrared points combined with a CMOS sensor allowing to capture the

environment in 3D in any light conditions. The useful detection range of the depth

sensor is up to 4 meter.

In the following image the position of the depth sensor is displayed.

The obtained 3D results can be geo-referenced real-time through the integrated GPS

at a best accuracy of 0.6m. If higher absolute precision is required, the –at least 10

minutes- collected data can be post-processed up to a best accuracy of 0.10m.

The integrated inertial system comprises a gyroscope, an accelerometer and a

magnetometer, which provides us information of the tablet 3D movement speed,

orientation and gravitation forces in real-time.

1 Introduction

User Manual 8

1.3. Eyesmap Standard Configuration Package

The Eyesmap package comes as standard in the following configuration:

1. Transport Case

2. Tablet

3. AC charger and Cable (Euro plug)

4. GPS Antenna

5. Keyboard

6. Set of Targets existing of:

a. 40 symmetric Point Targets

b. 20 Asymmetric Targets

c. 1 Stereo Target for small objects

d. 1 Stereo Target for big objects

2. Technical Specifications

In this chapter, we shall see:

Tablet

Cameras

Depth Sensor

GPS

IMU

2 Technical Specifications

User Manual 10

2.1. Tablet

Find below the technical specifications of the main components of the Eyesmap Tablet.

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