Maestro 3D Dental Scanner - Calibration - Revision history

Admin: /* Rotary table calibration - step by step */

2014-03-12T12:10:27Z

‎Rotary table calibration - step by step

Admin: /* Camera Calibration - step by step */

2014-03-12T12:10:04Z

‎Camera Calibration - step by step

Admin: /* Calibration kit */

2014-03-12T12:08:28Z

‎Calibration kit

Admin: /* Calibration kit */

2014-03-12T12:08:03Z

‎Calibration kit

Admin: /* Calibration kit */

2014-03-03T13:42:19Z

‎Calibration kit

Illary: /* Rotary table calibration - step by step */

2013-12-13T14:40:56Z

‎Rotary table calibration - step by step

Illary: /* Camera Calibration - step by step */

2013-12-13T14:40:25Z

‎Camera Calibration - step by step

Illary: /* Main Toolbar */

2013-12-13T14:39:52Z

‎Main Toolbar

Illary: /* Calibration kit */

2013-12-13T14:39:27Z

‎Calibration kit

Illary: /* What is calibration? */

2013-12-13T14:39:07Z

‎What is calibration?

@@ Line 225: / Line 225: @@
-Before making the  rotary table calibration process, it is necessary to put the proof on the arch holder plate, as shown in the picture.
+Before making the  rotary table calibration process, it is necessary to put the target on the arch holder plate, as shown in the picture.
@@ Line 235: / Line 235: @@
 To access to the rotary table calibration process, tap on the button [[image:Eds.CalibrationRotaryTableStart.png]] ''Rotary table calibration'', on the toolbar in the main screen of the calibration module.
-Place the rotary table calibration proof as shown in the picture on the left, then tap on the button [[image:Next.png]] ''Next'' at the bottom, on the right.
+Place the rotary table calibration target as shown in the picture on the left, then tap on the button [[image:Next.png]] ''Next'' at the bottom, on the right.
-The scanner will make a proof scanning and the Software will show the result after few seconds on the following screen.
+The scanner will make a target scanning and the Software will show the result after few seconds on the following screen.
 By tapping on the SHIFT button on the keyboard, mark the centre of the black rings with a double click of the left button of the mouse, in the suggested order of the picture on the left.

@@ Line 135: / Line 135: @@
-Calibration camera procedure consists in the acquisition of some images, where each of them films the calibration proof in a different position one from the other.
+Calibration camera procedure consists in the acquisition of some images, where each of them films the calibration target in a different position one from the other.
 To enter into the calibration module, tap on [[image:Eds.calibration.png]] ''Calibration'',  from the main screen of Easy Dental Scan.
-Before starting to the real calibration process, put into the scanner the arch holder plate with the calibration proof on it.
+Before starting to the real calibration process, put into the scanner the arch holder plate with the calibration target on it.
-In order to obtain a "good" calibration it is necessary to place the proof with an angle of about 45° respect to the plate, with some plastiline as support, as shown in the picture below.
+In order to obtain a "good" calibration it is necessary to place the target with an angle of about 45° respect to the plate, with some plastiline as support, as shown in the picture below.
@@ Line 150: / Line 150: @@
 By tapping on the button [[image:Eds.CalibrationStart.png]] ''Connect'' on the calibration module toolbar, the software will proceed to the initialization of the variours components of the Scanner and on the monitor two windows will appear, one for the left camera (LX) and one for the right camera (RX). Moreover, on the software toolbar the buttons [[image:Eds.Calibration exit.png]] ''Disconnect'' and [[image:Eds.Snap.png]] ''Snapshot'' will enable.
-In order to reach a good result on the tool calibration, it will be necessary to acquire at least five images (ten recommended) from the calibration proof. This is a very important phase and it is necessary to pay attention to the following instructions:
+In order to reach a good result on the tool calibration, it will be necessary to acquire at least five images (ten recommended) from the calibration target. This is a very important phase and it is necessary to pay attention to the following instructions:
-* Before every snapshot, check that every square of the chessboard of the calibration proof are lighted up and visible both in the left camera (LX) and in the right one (RX).
+* Before every snapshot, check that every square of the chessboard of the calibration target are lighted up and visible both in the left camera (LX) and in the right one (RX).
-The following picture shows the proof correctly placed and acquired from the cameras.
+The following picture shows the target correctly placed and acquired from the cameras.
@@ Line 162: / Line 162: @@
-The following picture, on the contrary, shows the proof placed in part out of the cameras field of vision and, at the bottom, the message of error in the acquisition.
+The following picture, on the contrary, shows the target placed in part out of the cameras field of vision and, at the bottom, the message of error in the acquisition.
@@ Line 170: / Line 170: @@
-* The calibration proof must be placed in a different position between an acquisition (''Snapshot'') and another one.
+* The calibration target must be placed in a different position between an acquisition (''Snapshot'') and another one.
-* On the proof there mustn't be any blots or scratches which could avoid the correct identification of every square.
+* On the target there mustn't be any blots or scratches which could avoid the correct identification of every square.
-* The calibration proof must be absolutely fixed at the moment of acquisition.
+* The calibration target must be absolutely fixed at the moment of acquisition.
-* Once that the proof has been placed on the plate, pay attention that there are not reflections on the surface. These reflections could be caused from the brighted source, in this case it will need to move the calibration proof, or from the environmental light, in this case it is recommended to make the acquisition with the Scanner door closed.
+* Once that the target has been placed on the plate, pay attention that there are not reflections on the surface. These reflections could be caused from the brighted source, in this case it will need to move the calibration target, or from the environmental light, in this case it is recommended to make the acquisition with the Scanner door closed.
 * In order to avoid that jump in the temperature could frustrate the correct Scanner calibration, it is recommended to make the calibration process on the same temperature conditions into the ones that the machine will be used.
-For the correct calibration proof acquisition, follow this procedure:
+For the correct calibration target acquisition, follow this procedure:
-* Put the calibration proof on the scan holder in a position very close to the brighted source, then close the Scanner door and tap on the button [[image:Eds.Snap.png]] ''Snapshot''. The Software will provide to the object acquisition and, if the process has a successfull conclusion, in the monitor centre a green progressive number and at the bottom the message ''ok'' will appear. If the acquisition process has not a successfull conclusion, the progressive number will not grow up and, at the bottom of the monitor, a red message ''Failed'' will appear.
+* Put the calibration target on the scan holder in a position very close to the brighted source, then close the Scanner door and tap on the button [[image:Eds.Snap.png]] ''Snapshot''. The Software will provide to the object acquisition and, if the process has a successfull conclusion, in the monitor centre a green progressive number and at the bottom the message ''ok'' will appear. If the acquisition process has not a successfull conclusion, the progressive number will not grow up and, at the bottom of the monitor, a red message ''Failed'' will appear.
-* Repeat the previous process, but this time by placing the proof in the scan holder centre, then tap on the button [[image:Eds.Snap.png]] ''Snapshot'', and wait that the Software acquires the image and the green progressive number grows up of a unit.
+* Repeat the previous process, but this time by placing the target in the scan holder centre, then tap on the button [[image:Eds.Snap.png]] ''Snapshot'', and wait that the Software acquires the image and the green progressive number grows up of a unit.
-* Change position to the proof and place it to the farther point from the brighted source, then tap on the button [[image:Eds.Snap.png]] ''Snapshot'' and wait the confirm of the made acquisition.
+* Change position to the target and place it to the farther point from the brighted source, then tap on the button [[image:Eds.Snap.png]] ''Snapshot'' and wait the confirm of the made acquisition.
-* Place the proof to the extreme right and left respect to the brighted source and make the images acquisition with the button [[image:Eds.Snap.png]] ''Snapshot''.
+* Place the target to the extreme right and left respect to the brighted source and make the images acquisition with the button [[image:Eds.Snap.png]] ''Snapshot''.
@@ Line 196: / Line 196: @@
-The described procedure guarantees that the all cameras cover area is used. Nevertheless, it is recommended to repeat the acquisition operations for other five times, for ten snapshot in total, by paying attention to change the proof position every time.
+The described procedure guarantees that the all cameras cover area is used. Nevertheless, it is recommended to repeat the acquisition operations for other five times, for ten snapshot in total, by paying attention to change the target position every time.
 When at least five images have been acquired, on the calibration module toolbar the button [[image:Eds.CalibrationCompute.png]] '' Compute calibration from acquired images'' will be enabled. By tapping on it, the Software disables all the toolbar buttons, disconnectes the peripherals and proceeds to elaborate acquired data. If this procedure has a successfull conclusion, a window with the message [[image:Info32.png ]] ''The calibration is finished with success and it has been installed'' will appear. The calibration file ''camera.calibration.xml'' is automatically saved in Easy Dental Scan.
@@ Line 208: / Line 208: @@
 '''Important:'''
-* The calibration proof must be absolutely fixed at the moment of acquisition.
+* The calibration target must be absolutely fixed at the moment of acquisition.
-* Do not make more than one acquisition with the calibration proof in the same position.
+* Do not make more than one acquisition with the calibration target in the same position.
-* Check that the calibration proof cheesboard is completely filmed by both cameras.
+* Check that the calibration target cheesboard is completely filmed by both cameras.
 |}

← Older revision		Revision as of 12:08, 12 March 2014
Line 97:		Line 97:


−	*a ~~proof~~ for the rotary table calibration, that is a white adhesive disk with three black rings to put on the arch holder.	+	*a target for the rotary table calibration, that is a white adhesive disk with three black rings to put on the arch holder.

← Older revision		Revision as of 12:08, 12 March 2014
Line 89:		Line 89:

	Calibration kit is composed by two objects:		Calibration kit is composed by two objects:
−	* A calibration ~~proof~~ for cameras, composed by a small glass rectified plate, where a "chessboard" print in high definition has been pasted.	+	* A calibration kit for cameras, composed by a small glass rectified plate, where a "chessboard" print in high definition has been pasted.

← Older revision		Revision as of 13:42, 3 March 2014
Line 101:		Line 101:


−	<div align="center"> [[image:Maestro3d.Easy.Dental.Scan.Calibration.Rotary.Table.png]] </div>	+	<div align="center"> [[image:Maestro3d.Easy.Dental.Scan.Calibration.Rotary.Table.Stiker.png]] </div>

@@ Line 222: / Line 222: @@
 == Rotary table calibration - step by step ==
 <div align="justify">
 Before making the  rotary table calibration process, it is necessary to put the proof on the arch holder plate, as shown in the picture.

@@ Line 132: / Line 132: @@
 == Camera Calibration - step by step ==
 <div align="justify">
 Calibration camera procedure consists in the acquisition of some images, where each of them films the calibration proof in a different position one from the other.
@@ Line 198: / Line 201: @@
 By tapping on the button ''OK'' the Software will come back to the calibration module main menu.

← Older revision		Revision as of 14:39, 13 December 2013
Line 109:		Line 109:
	== Main Toolbar ==		== Main Toolbar ==
	<div align="justify">		<div align="justify">
−	~~The main toolbar allows to access to every feature of Easy Dental Scan calibration module.~~


		+
		+	The main toolbar allows to access to every feature of Easy Dental Scan calibration module.

@@ Line 85: / Line 85: @@
 == Calibration kit ==
 <div align="justify">
 Calibration kit is composed by two objects:
 * A calibration proof for cameras, composed by a small glass rectified plate, where a "chessboard" print in high definition has been pasted.

@@ Line 1: / Line 1: @@
 == What is calibration? ==
 <div align="justify">
 In a 3D scan system, calibrate a camera means extract the position of the ground plane in the chosen reference and a serial of parameters, necessary to the following elaboration. These parameters are called intrinsics and they are:
@@ Line 34: / Line 36: @@
 === How can I understand if my Scanner is not calibrated?===
 <div align="justify">
 The main indicators of a non calibrated Scanner are clear disalignments on the surface, in the scanning process result.
@@ Line 50: / Line 55: @@
 === How many times it is necessary to calibrate the Scanner? ===
 <div align="justify">
 The quality of the materials and the solidity of the structure permit not to calibrate very often the Scanner if it has used correctly.
@@ Line 62: / Line 70: @@
 === Calibration module activation ===
 <div align="justify">
 In order to activate the calibration module it is necessary to request and to load the license file.