WO2013120670A2 - Visualisation de données de volume sur un objet - Google Patents

Visualisation de données de volume sur un objet Download PDF

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Publication number
WO2013120670A2
WO2013120670A2 PCT/EP2013/051167 EP2013051167W WO2013120670A2 WO 2013120670 A2 WO2013120670 A2 WO 2013120670A2 EP 2013051167 W EP2013051167 W EP 2013051167W WO 2013120670 A2 WO2013120670 A2 WO 2013120670A2
Authority
WO
WIPO (PCT)
Prior art keywords
data
projection unit
dimensional
computer
computer device
Prior art date
Application number
PCT/EP2013/051167
Other languages
German (de)
English (en)
Other versions
WO2013120670A3 (fr
Inventor
Lukasz Adam Bienkowski
Christian Homma
Hubert Mooshofer
Max Rothenfusser
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2013120670A2 publication Critical patent/WO2013120670A2/fr
Publication of WO2013120670A3 publication Critical patent/WO2013120670A3/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/006—Mixed reality
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/46—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with special arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/466—Displaying means of special interest adapted to display 3D data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A61B8/466—Displaying means of special interest adapted to display 3D data
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data

Definitions

  • the invention relates to a device and a method for the visualization of data on an object with respect to an extension of the object in three-dimensional space.
  • Non-destructive testing or medicine often uses 3D imaging files.
  • X-ray computed tomography and ultrasound diagnostics are known.
  • Such methods generate 3D datasets that are conventionally viewed on a screen.
  • Other sources for 3D datasets are CAD data from design drawings or photorealistic modified virtual objects.
  • the design of objects a viewing of 2D or 3D data on a monitor allows no interaction with the object, game, as it an in-the-hand company or a touch of controls may be on a dashboard with ⁇ .
  • a viewer can not "go in” or he can not sit in front of a dashboard.
  • In the destruc ⁇ approximately one free exam alternately looking at an object and a corresponding result image is disadvantageously required.
  • additional in situ measurements and estimates of positions are disadvantageously required.
  • the volume area in an overall context of a larger volume area of the object should simply be considered and easily evaluated. For example, the position of the volume range within the larger volume range should be clearly determined. It should be feasible einfold interaction of the observer with the object.
  • an apparatus for visualizing a three-dimensional volume area of an object with the following facilities is provided.
  • a computer device for providing a 3D data set corresponding to the three-dimensional volume region of the object
  • a first 3D detection device for detecting at least one viewing angle, under which a viewer views the volume area in three-dimensional space
  • a method of visualizing a three-dimensional volume area of an object is performed with the following steps.
  • the light image is projected onto the surface of the object delimiting the three-dimensional volume region. Further, the surface of the OBJEK ⁇ tes, on which the light image is projected to be in the beam path between the projection unit 7 and the position to be visualized three-dimensional volume range.
  • the computer device can calculate the 3D data record by means of detection data of a third 3D detection device which detects the three-dimensional volume range of the object.
  • the computer device can store the 3D data record by means of computer generate supported design (CAD) data or virtual data of the object.
  • CAD supported design
  • the second 3D detection device may be an X-ray computer tomograph or an ultrasound diagnostic device.
  • the first 3D detection device for detecting the gaze angle can detect position data of the observer.
  • the position data may be eye movement data.
  • the mathematical adaptation may include a rotation in space and / or a perspective adaptation.
  • the projection unit can project a two-dimensional light image onto the surface of the object.
  • the projection unit can project a three-dimensional light image onto the surface of the object.
  • the projection unit can have a digital 3D projector or two separate digital projectors.
  • the light image can be projected onto a model of the object.
  • the computer device can compare the 3D data set generated by acquisition data with desired data of a desired 3D data record and visualize the comparison result by means of the projection unit in the generated photo.
  • the computer device can control the projection unit for the projection onto the object of information dependent on the position data of the observer.
  • the idea of the present invention can be used, for example, for a nondestructive object examination, for a medical treatment of a patient or for a design of an object design.
  • Figure 1 shows a first embodiment of a device according to the invention
  • Figure 2 shows a second embodiment of a device according to the invention
  • FIG. 3 shows a third embodiment of an inventive device ⁇ SEN
  • FIG. 1 shows a first exemplary embodiment of a device according to the invention.
  • the device causes a visualization of a three-dimensional volume V region of a Whether ⁇ jektes 1.
  • a computer device 3 provides a 3D data set corresponding to the three-dimensional volume region of the object 1 to be visualized.
  • the 3D data set represents parameters of the object 1 which are dependent on three-dimensional space coordinates.
  • An initial 3D Detecting means 5 detects at least one angle at which a viewer views the volume range in dreidimensio ⁇ dimensional space. A viewing angle is shown, for example, in FIG. 1, bottom right.
  • the computer device 3 adapts the 3D data record of the object 1 to the respective one
  • Aggii ⁇ onsaku 7 projects an image produced by means of the matched 3D data set photograph to a surface of the object 1.
  • the surface may be associated to the three-dimensional volume to visualize-stabilizing area surface of the object. 1 If the three-dimensional volume region of the object 1 to be visualized lies within the object 1, a surface of the object 1 for the projection of the light image is selected so that the viewer sees the three-dimensional volume region to be visualized positioned within the object 1.
  • the computer device 3 can calculate the 3D data record by means of acquisition data of a third 3D detection device 9 which detects the three-dimensional volume region of the object 1.
  • a beam path of the projection unit 7 can be coupled into a beam path of the second 3D detection device 9 by means of a coupling device E.
  • a reverse coupling is also possible.
  • Such a coupling device E may for example be an optical beam splitter.
  • 3D data is projected so that an angle under which viewing occurs plays a major role.
  • the additional difficulty in projek ⁇ tion of 3D information is that the position of the viewer must be known in order to project the data are the correct angle. Therefore, an SD detecting device 5 which monitors the position and / or eye movements of the observing person becomes necessary.
  • the SD data are then rotated in space by the connected computer device 3 by mathematical operations and, as in a conventional Real View Thermography, are adjusted in perspective and finally projected onto the object 1 at the correct projection angle.
  • This can be done both as a 2D image, which then advantageously le- is viewed with one eye, or as a 3D image, for example with a projection unit 7 in the form of a 3D projector using suitable shutter glasses or two separate projectors and suitable Polfiltern.
  • FIG. 1 shows a device for non-destructive testing of an object 1, for example a metal part, in particular by means of X-ray computed tomography or ultrasound diagnostics.
  • An evaluation can be made directly on object 1.
  • Only the corresponding section needs to be projected so that the localization on or in object 1 becomes very simple.
  • a direct interaction can take place, for example a mechanical processing, in order to remove a foreign body.
  • Figure 2 shows a second embodiment of a device according to the invention.
  • This apparatus corresponds to the apparatus according to figure 1 is used according to this second exemplary embodiment of a visualization of a V dreidimensiona ⁇ len volume region of a human arm as the object. 1
  • a patient becomes virtually transparent by means of the projection of the 3D data.
  • a more extensive therapy, crizspielswei ⁇ se a biopsy of an internal organ or surgical removal of a foreign body can be made in comparison to the prior art, much easier and safer for the patient, as no further measurements are necessary. For example, a painful pricking of needles at wrong points can be avoided. Due to a continuous three-dimensional detection of the patient in addition to the position and shape changes are taken into account, which are caused for example as a result of breathing in the projection.
  • a so-called segmentation method a standard method to objects, which may be, for example, tumors or bones, or even larger Struktu ⁇ ren, which may be, for example, blood vessels or neural pathways to select and highlighted in color in the 3D data represent.
  • This method can be used advantageously in operations, since the surgeon dominantly or even exclusively receives the object to be removed or processed, or conversely, the critical objects to be obtained.
  • FIG. 3 shows a third exemplary embodiment of a device according to the invention.
  • a device according to the invention for visualizing V a three-dimensional volume range of an object 1 to be designed.
  • FIG. 3 shows a model of a dashboard of a motor vehicle. Since the object 1 originally existed only virtually, a production of a model or a prototype of the object 1 to be designed took place.
  • a useful material can be, for example, a plastic.
  • the model can take, for example, using so-called rapid prototyping methods, or other conventional inexpensive Anlagensver ⁇ be performed. Shaping out of styrofoam is just as possible. In any case, make sure that the
  • FIG. 3 shows as an object 1 a dashboard made of styrofoam for a motor vehicle. The user can sit in front of this dashboard and even press buttons, thereby an evaluation of the 3D information of the user's position as well as gestures can be detected. Such a function can be carried out in addition simply by means of the first 3D detection device 5. Depending on the movements of the user different information can be displayed. For example, this could be a change to an ad after Press buttons. Furthermore, a function can be implemented that can be done by touching and moving a sorting of controls or optimal positioning of the controls, for example, matched to an arm length of a user, can be performed.
  • FIG. 4 shows an exemplary embodiment of a method according to the invention.
  • a first step S1 is followed by the provision of a 3D data record corresponding to the three-dimensional volume region of the object, which is executed by means of a computer device.
  • a second step S2 by means of a first SD detection device, at least one viewing angle is detected, under which a viewer views the volume region in three-dimensional space.
  • a third step S3 a running math ⁇ matic adapting the 3D data set of the object 1 at the respective point of view of the viewer by means of the computer device.
  • a fourth step S1 is followed by the provision of a 3D data record corresponding to the three-dimensional volume region of the object, which is executed by means of a computer device.
  • a second step S2 by means of a first SD detection device, at least one viewing angle is detected, under which a viewer views the volume region in three-dimensional space.
  • a running math ⁇ matic adapting the 3D data set of the object 1 at the respective
  • Step S4 is carried out by means of a projection unit projecting a er Weg ⁇ th matched by means of the 3D data set light image on a surface of the object.
  • the width ⁇ ren in addition to the projection of the 3D data to the Obwalden ject to interact with the projected light image data possible.
  • An evaluation of results does not take place as usual on the computer screen, but starts right at the object.
  • the invention relates to a device and a method for visualizing a three-dimensional volume range of an object on a surface of the object 1. Taking into account the viewing angle of the observer, a corresponding 3D data set is adjusted so that the viewer is a three-dimensional visualization of a volume range of the object 1 in real time can see and evaluate. In this way, an editing of the object 1 is easy and reliable possible.
  • the present invention is particularly suitable For a nondestructive testing, a medical Be ⁇ treatment or a design of an object.

Abstract

Dispositif et procédé de visualisation d'une zone tridimensionnelle du volume d'un objet sur la surface dudit objet (1). Compte tenu de l'angle de vision de l'observateur, un jeu de données 3D correspondant est adapté de manière telle que l'observateur peut voir et évaluer en temps réel une représentation tridimensionnelle d'une zone du volume de l'objet (1). De cette manière, le traitement d'un objet (1) est simple et fiable. La présente invention est particulièrement adaptée pour un contrôle non destructif, un traitement médical ou la conception d'un objet.
PCT/EP2013/051167 2012-02-15 2013-01-23 Visualisation de données de volume sur un objet WO2013120670A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012202280 2012-02-15
DE102012202280.5 2012-02-15

Publications (2)

Publication Number Publication Date
WO2013120670A2 true WO2013120670A2 (fr) 2013-08-22
WO2013120670A3 WO2013120670A3 (fr) 2013-10-24

Family

ID=47633015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/051167 WO2013120670A2 (fr) 2012-02-15 2013-01-23 Visualisation de données de volume sur un objet

Country Status (1)

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WO (1) WO2013120670A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10499997B2 (en) 2017-01-03 2019-12-10 Mako Surgical Corp. Systems and methods for surgical navigation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10499997B2 (en) 2017-01-03 2019-12-10 Mako Surgical Corp. Systems and methods for surgical navigation
US11707330B2 (en) 2017-01-03 2023-07-25 Mako Surgical Corp. Systems and methods for surgical navigation

Also Published As

Publication number Publication date
WO2013120670A3 (fr) 2013-10-24

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