KR20160042791A - Calibration device of stereoscopic display device - Google Patents
Calibration device of stereoscopic display device Download PDFInfo
- Publication number
- KR20160042791A KR20160042791A KR1020150141705A KR20150141705A KR20160042791A KR 20160042791 A KR20160042791 A KR 20160042791A KR 1020150141705 A KR1020150141705 A KR 1020150141705A KR 20150141705 A KR20150141705 A KR 20150141705A KR 20160042791 A KR20160042791 A KR 20160042791A
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- Prior art keywords
- stereoscopic
- image
- calibration
- sliding
- display device
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- H04N13/04—
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- H04N13/0239—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Engineering & Computer Science (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Accessories Of Cameras (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Abstract
Description
The present invention belongs to the field of stereoscopic display technology, and relates to a calibration device of a stereoscopic display device for measuring parameters of a stereoscopic display device and correcting an assembly error of an optical device of a display device.
The principle of stereoscopic image display technique is based on the parallax of the two eyes of the spectator, the parallax image having the image difference is detected by the left eye and the right eye of the viewer respectively, and the viewer's cerebrum forms a stereoscopic image based on the detected image difference .
1, a conventional
The
In order to solve such a problem, the prior art uses a correction method by liquid crystal slit grating. This calibration method calibrates the initial states of the liquid crystal slits to coincide with each other through the break processing for the first lead electrode. This calibration method proceeds before the liquid crystal slit grating and the display panel are bonded. However, there is a problem that the assembly error between the liquid crystal slit grating and the display panel can not be lowered during the adhesion, and the display effect of the stereoscopic display device after bonding becomes poor.
Further, there is a parameter measurement system of a stereoscopic display apparatus by another calibration method. This system can measure the actual value of the grating parameter of the stereoscopic display apparatus by detecting the projection image formed by projecting on the test panel when the stereoscopic display apparatus displays a predetermined test screen and analyzing based on the detection result . However, this system is required to move the test panel to a position corresponding to the position adjustment command at the time of testing, so that the operation is complicated, the test efficiency is lowered, and only the grating parameter can be obtained.
It is an object of an embodiment of the present invention to provide a calibration device for a stereoscopic display device and to solve one or a plurality of technical problems due to limitations and disadvantages of the prior art.
An embodiment of the present invention is implemented as follows. A calibration device for a three-dimensional display device for acquiring a calibration parameter satisfying a predetermined condition of a three-dimensional display device, the calibration device of the three-dimensional display device including an image processing device, Wherein the image processing apparatus acquires a stereoscopic image displayed by the stereoscopic displaying apparatus and acquires the calibration parameter that satisfies a predetermined condition based on the stereoscopic image, This is for correcting the assembly error.
Specifically, the image processing apparatus includes an image acquisition device and a control device, and the image acquisition device acquires the stereoscopic image and transmits the stereoscopic image to the control device. The control device processes the received stereoscopic image, Parameter.
Further, the calibration device of the stereoscopic display apparatus may further include a support mechanism, the support mechanism may include a first support portion, and the image acquisition device may be mounted on the first support portion and installed to face the stereoscopic display device have.
Further, the image processing apparatus further includes a mounting member, and the image capturing device is mounted to the mounting member, and the mounting member is mounted to the first supporting portion.
Further, when the stereoscopic display apparatus is provided with a tracking unit, the mounting member is provided with a characteristic mark that can be identified by the tracking unit, and when the tracking unit tracks the characteristic mark, And controls the image acquiring device to acquire a stereoscopic image.
Specifically, the feature mark includes an image feature.
Advantageously, the image feature comprises one or more of a face feature, a character feature, and a color feature.
Specifically, the image capturing apparatus includes at least one camera, the camera is mounted on the mounting member, and is installed so as to face the stereoscopic display apparatus, and the camera is for acquiring the stereoscopic image.
Preferably, the cameras are installed in two, and the distance between the two cameras is equal to the distance between the two eyes.
Preferably, an alignment mark is formed on the mounting member, and the stereoscopic displaying apparatus is provided so as to face the camera at the time of calibration, and the alignment mark is a reference when the camera and the stereoscopic displaying apparatus adjust the relative position Mark.
Further, the first support portion includes a first support member, and the mounting member is movably mounted to the first support member, and the relative position of the mounting member and the stereoscopic display device during calibration can be adjusted .
Furthermore, the first supporting portion may further include a first sliding sheet, the first sliding sheet being slidably mounted on the first supporting member, and the mounting member being mounted on the first sliding seat.
Preferably, a first sliding rail is installed on the first supporting member, a first sliding slot is formed on the first sliding seat to match the outer shape of the first sliding rail, And is slidably mounted on the first sliding rail and slides along the first sliding rail.
Further, a first adjusting member is further provided on the first supporting member, the first adjusting member and the first sliding rail are installed side by side, and the first adjusting member adjusts the sliding length of the first sliding sheet .
Further, the first adjusting member may include a first bolt, the first bolt may be installed in parallel with the first sliding rail, and a first screw hole may be formed in the first sliding seat to match the first bolt have.
Further, the support mechanism may further include a second support portion, wherein the stereoscopic display device is detachably mounted to the second support portion at the time of calibration, and the first support portion and the second support portion are provided so as to face each other.
Specifically, the second support portion includes a second support member, and at the time of calibration, the stereoscopic display device is detachably mounted on the second support member, and the stereoscopic display Adjust the relative position of the device.
Further, the second supporting portion may further include a second sliding sheet, and the second sliding sheet may be slidably mounted on the second supporting member. In the calibration, the stereoscopic displaying device may be detachably attached to the second sliding sheet Respectively.
Further, the second support member may be provided with a second sliding rail, a second sliding slot may be formed on the second sliding seat to match the outer shape of the second sliding rail, Is slidably mounted on the sliding rail and slides along the second sliding rail.
Preferably, the second adjusting member is further provided on the second supporting member, the second adjusting member and the second sliding rail are installed side by side, and the second adjusting member is provided with a sliding length of the second sliding sheet .
Furthermore, the second adjusting member may include a second bolt, the second bolt may be installed alongside the second sliding rail, and a second screw hole may be formed in the second sliding seat to match the second bolt have.
In addition, the second supporting portion may include a housing, a mounting portion may be provided on the housing, the stereoscopic displaying device may be detachably mounted inside the mounting portion during calibration, and the image capturing device, And is provided inside the accommodating chamber of the housing.
Further, the mounting portion is provided on the upper portion of the housing.
Alternatively, the mounting portion may be provided on the side of the housing and may be pulled or pushed against the housing.
Specifically, the mounting portion includes a case and a mounting seat disposed inside the case, a third sliding slot matching the outer shape of the case is formed in the housing, and the case is slidably received in the third sliding slot And at the time of calibration, the stereoscopic display device is detachably mounted inside the mounting seat.
Preferably, the housing is provided with an operation module for controlling the operation of the control device.
Preferably, a light emitting device is further provided inside the housing, and the light emitting device is for providing a light source necessary for operation of the image capturing device.
Further, the image capturing device is electrically connected to the control device, and when the image capturing device is calibrated, the stereoscopic displaying device and the image capturing device are installed so as to face each other.
The calibration equipment of the stereoscopic display apparatus according to the present invention has a simple configuration, acquires stereoscopic images by an image processing apparatus, obtains calibration parameters based on stereoscopic images, and has high reliability of results. Compared with the prior art, the calibration equipment of the stereoscopic display device according to the embodiment of the present invention processes the assembled stereoscopic display device to obtain calibration parameters, and does not affect the assembling efficiency of the stereoscopic display device. The stereoscopic display apparatus calibrates the assembly error based on the calibration parameters, thereby improving the reliability of the calibration result and obtaining a good display effect. Further, the calibration equipment of the stereoscopic display device has a simple structure, thereby lowering the operation difficulty and reducing the operation intensity of the operator.
1 is a schematic block diagram of a conventional stereoscopic display apparatus.
2 is a schematic block diagram of a calibration apparatus for a stereoscopic display apparatus according to a first embodiment of the present invention.
3 is a schematic configuration diagram of a control apparatus according to the first embodiment of the present invention.
4 is a schematic configuration diagram of an image acquisition apparatus according to the first embodiment of the present invention.
5 is a schematic configuration diagram of a calibration apparatus of a stereoscopic display apparatus according to the first embodiment of the present invention.
6 is a schematic view of another direction of Fig.
7 is a schematic perspective view of the first sliding seat of Fig.
8 is a schematic perspective view of the second sliding seat of Fig.
9 is a schematic perspective view of a calibration apparatus of a stereoscopic display apparatus according to a third embodiment of the present invention.
10 is another schematic perspective view of a calibration apparatus of a stereoscopic display apparatus according to a third embodiment of the present invention.
11 is a schematic perspective view of a calibration apparatus of a stereoscopic display apparatus according to a fourth embodiment of the present invention.
12 is another schematic perspective view of a calibration device of a stereoscopic display device according to a fourth embodiment of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. It is to be understood that the specific embodiments described herein are for interpretation of the invention only and are not intended to limit the invention.
First Embodiment
Referring to Figs. 1 and 2, a calibration apparatus for a stereoscopic display apparatus according to an embodiment of the present invention is for obtaining a calibration parameter that causes the
The predetermined condition according to the present embodiment indicates that the stereoscopic displaying
In the present embodiment, the image processing apparatus acquires stereoscopic images displayed by the stereoscopic displaying
2 and 6, the image processing apparatus includes an
As can be seen from the above, the calibration apparatus according to the embodiment of the present invention is simple in configuration, and acquires a stereoscopic image by the
The stereoscopic displaying
The
1 and 2, the stereoscopic displaying
1 to 3, the
1 and 2, in order to prevent the arrangement periodicity of the
1 to 3, the
1 to 3, the
1 and 2, in the stereoscopic displaying
2, the
In the calibration process, the detection interval is set based on the assembly error to shorten the detection time. When the calibration parameter is not obtained, the detection step length is increased to accelerate the detection, so that the calibration parameter satisfying the predetermined condition can be obtained as quickly as possible. When a calibration parameter satisfying a predetermined condition is obtained, it is possible to obtain more calibration parameters satisfying a predetermined condition by restoring the detection step length to normal or setting it to be small. When the calibration parameter can not be acquired again, the detection can be stopped and the detection time can be shortened, thereby improving the detection efficiency of the
In the present embodiment, the stereoscopic displaying
In the present embodiment, the
2, 5 and 6, the
In order to simulate the use environment of the stereoscopic displaying
The
2, 4 and 6, the
As a further improvement of the above embodiment, referring to Fig. 5, an alignment mark (not shown) may be formed on the mounting
2, 5, and 6, the support mechanism includes a
5 and 6, the image processing apparatus further includes a mounting
5 and 6, the first supporting
5 to 7, the
5 to 7, a first sliding
5 and 6, a first adjusting
Referring to Figs. 2 and 5 to 7, the
5 and 6, the supporting mechanism further includes a second supporting
5 and 6, the second supporting
5, 6 and 8, the second supporting
5, 6 and 8, the second supporting
5 and 6, a second adjusting
5, 6, and 8, the second adjusting
Second Embodiment
The calibration equipment of the stereoscopic display device according to the present embodiment is substantially the same as that of the calibration equipment of the stereoscopic display device according to the first embodiment, and only differences will be described below.
2, 5, and 6, a
3 and 5, the
As a further refinement of the above embodiment, referring to FIG. 5, the
As a further refinement of the above embodiment, the image features include one or more of a face feature, a character feature, and a color feature. The facial features are used to simulate the user's viewing environment on behalf of the user, and the calibration parameters obtained are closer to the reality. Of course, the image features may be other features, and all of the tracking
Third Embodiment
The calibration equipment of the stereoscopic display device according to the present embodiment is substantially the same as the configuration of the calibration equipment of the stereoscopic display device according to the first embodiment, and only differences will be described below.
5, 6, 9 and 10, the second supporting
As a further refinement of the above embodiment, referring to Fig. 10, a mounting
As an additional improvement of the above embodiment, the
Fourth Embodiment
The calibration equipment of the stereoscopic display device according to the present embodiment is substantially the same as the configuration of the calibration equipment of the stereoscopic display device according to the third embodiment, and only differences will be described below.
11 and 12, the mounting
11 and 12, the mounting
12, a
The foregoing is only the preferred embodiments of the present invention, and the present invention is not limited thereto. All changes, equivalents, and improvements that come within the spirit and principle of the invention are to be embraced within the protection scope of the present invention.
Claims (28)
Wherein the calibration apparatus of the stereoscopic display apparatus includes an image processing apparatus, the stereoscopic display apparatus is installed so as to face the image processing apparatus at the time of calibration, and the image processing apparatus acquires a stereoscopic image displayed by the stereoscopic display apparatus Wherein the calibration parameter that satisfies a predetermined condition is obtained based on the stereoscopic image, and the calibration parameter is used to correct an assembly error of the stereoscopic display device.
The image processing apparatus includes an image acquisition device and a control device, and the image acquisition device acquires the stereoscopic image and transmits the stereoscopic image to the control device. The control device processes the received stereoscopic image to obtain the calibration parameter And the calibration device of the stereoscopic display device.
The calibration device of the stereoscopic display apparatus may further include a support mechanism, wherein the support mechanism includes a first support portion, and the image acquisition device is mounted on the first support portion and is disposed to face the stereoscopic display device Calibration equipment for stereoscopic displays.
Wherein the image processing apparatus further comprises a mounting member, wherein the image acquiring device is mounted to the mounting member, and the mounting member is mounted to the first supporting portion.
When the stereoscopic display apparatus is provided with a tracking unit, the mounting member is provided with a characteristic mark which can be identified by the tracking unit, and when the tracking unit tracks the characteristic mark, Wherein the image capturing device controls the image capturing device to obtain the image capturing device.
Wherein the characteristic mark includes an image characteristic.
Wherein the image feature includes one or more of a face feature, a character feature, and a color feature.
Wherein the image capturing apparatus includes at least one camera, the camera is mounted on the mounting member, and is installed to face the stereoscopic display apparatus, and the camera acquires the stereoscopic image. Calibration equipment.
Wherein the camera is installed in two, and a distance between the two cameras is equal to a distance between two eyes.
Wherein the alignment mark is formed on the mounting member and the stereoscopic display device is provided so as to face the camera at the time of calibration, and the alignment mark is a reference mark when the camera and the stereoscopic display device adjust the relative position Calibration equipment for stereoscopic displays.
Characterized in that the first supporting portion includes a first supporting member, the mounting member is movably mounted to the first supporting member, and the relative position of the mounting member and the stereoscopic displaying device can be adjusted at the time of calibration Calibration equipment for stereoscopic displays.
Wherein the first support portion further includes a first sliding sheet, the first sliding sheet is slidably mounted on the first supporting member, and the mounting member is mounted on the first sliding sheet. Calibration equipment.
A first sliding rail is provided on the first supporting member and a first sliding slot is formed on the first sliding seat to match the outer shape of the first sliding rail, Wherein the first sliding rail is slidably mounted on the rail and slides along the first sliding rail.
The first adjustment member is further provided on the first support member and the first adjustment member and the first slide rail are installed side by side and the first adjustment member is for adjusting the sliding length of the first sliding sheet A calibration device for a stereoscopic display device characterized by:
The first adjusting member includes a first bolt, the first bolt is installed in parallel with the first sliding rail, and the first sliding seat is provided with a first screw hole matching the first bolt A calibration device for a stereoscopic display device characterized by:
Characterized in that the support mechanism further comprises a second support portion, wherein the stereoscopic display device is detachably mounted to the second support portion at the time of calibration, and the first support portion and the second support portion are provided so as to face each other Calibration equipment for display devices.
The stereoscopic displaying apparatus is detachably mounted to the second supporting member at the time of calibration, and the relative position of the stereoscopic displaying apparatus relative to the image capturing apparatus And adjusting the position of the three-dimensional display device.
Wherein the second supporting portion further includes a second sliding sheet, the second sliding sheet is slidably mounted on the second supporting member, and when the three-dimensional display device is calibrated, the stereoscopic displaying device is detachably mounted on the second sliding sheet And the calibration device of the three-dimensional display device.
A second sliding rail is provided on the second support member and a second sliding slot is formed on the second sliding seat to match the outer shape of the second sliding rail, And sliding along the second sliding rail, wherein the second sliding rail is slidably mounted on the first sliding rail.
The second adjusting member is further provided on the second supporting member and the second adjusting member and the second sliding rail are installed side by side and the second adjusting member is for adjusting the sliding length of the second sliding sheet A calibration device for a stereoscopic display device characterized by:
The second adjusting member includes a second bolt, the second bolt is installed in parallel with the second sliding rail, and the second sliding seat is provided with a second screw hole matching the second bolt A calibration device for a stereoscopic display device characterized by:
The stereoscopic displaying apparatus is detachably mounted inside the mounting portion, and the image capturing device and the first supporting portion are both mounted on the housing, Wherein the light source is installed inside the accommodating chamber.
Wherein the mounting portion is installed on the upper portion of the housing.
Wherein the mounting portion is provided on a side of the housing and is capable of being pulled or pushed into the housing.
The mounting portion includes a case and a mounting seat disposed inside the case. The housing has a third sliding slot that matches the outer shape of the case. The case is slidably mounted in the third sliding slot, Wherein the stereoscopic displaying apparatus is detachably mounted inside the mounting seat at the time of calibration.
Wherein the housing is provided with an operation module for controlling the operation of the control device.
Wherein a light emitting device is further provided in the housing, and the light emitting device is provided to provide a light source necessary for operation of the image capturing device.
Wherein the image capturing device is electrically connected to the control device, and the stereoscopic displaying device and the image capturing device are installed so as to face each other at the time of calibration.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588380.0U CN204305233U (en) | 2014-10-11 | 2014-10-11 | 3 d display device calibration equipment |
| CN201420588380.0 | 2014-10-11 | ||
| CN201410535936.4A CN105511092B (en) | 2014-10-11 | 2014-10-11 | The calibration equipment of 3 d display device |
| CN201410535936.4 | 2014-10-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160042791A true KR20160042791A (en) | 2016-04-20 |
| KR101799643B1 KR101799643B1 (en) | 2017-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150141705A KR101799643B1 (en) | 2014-10-11 | 2015-10-08 | Calibration device of stereoscopic display device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6263510B2 (en) |
| KR (1) | KR101799643B1 (en) |
| TW (1) | TWI594017B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102377063B1 (en) * | 2021-11-29 | 2022-03-21 | 주식회사 정완컴퍼니 | Hologram display device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2783283B2 (en) * | 1987-06-16 | 1998-08-06 | 三菱電機株式会社 | Image characteristic evaluation device |
| JPH10148598A (en) * | 1996-11-18 | 1998-06-02 | Sharp Corp | Method and equipment for inspecting liquid crystal display device |
| KR100709728B1 (en) * | 2006-01-20 | 2007-04-19 | (주)마스터이미지 | Apparatus and method for attaching display panel for stereoscopic image |
| FR2914099B1 (en) * | 2007-03-22 | 2013-04-05 | Eads Test & Services | UNIVERSAL TEST SYSTEM FOR CONTROLLING A PLURALITY OF PARAMETERS RELATING TO THE OPERATION OF DEVICES FOR PRESENTATION OF OPTOELECTRONIC INFORMATION OF VARIOUS TYPES |
| FR2923341B1 (en) * | 2007-11-07 | 2010-04-23 | Binocle | CAMERA SUPPORT MODULE AND RELIEF VIEWING DEVICE. |
| JP4987810B2 (en) * | 2008-07-09 | 2012-07-25 | 株式会社東芝 | 3D image display apparatus inspection apparatus and 3D image display apparatus manufacturing method |
| KR100902636B1 (en) * | 2008-08-14 | 2009-06-15 | 크라제비전(주) | Test apparatus for infrared rays camera module |
| TWI394431B (en) * | 2009-06-24 | 2013-04-21 | Chunghwa Picture Tubes Ltd | Evaluation method of stereoscopic image display panel and system of the same |
| JP5924046B2 (en) * | 2012-03-15 | 2016-05-25 | ソニー株式会社 | Display device and method, information processing device and method, and program |
| KR101320683B1 (en) * | 2012-07-26 | 2013-10-18 | 한국해양과학기술원 | Display correction method and module based on augmented reality, object information display method and system using the same |
| KR101383211B1 (en) * | 2013-01-07 | 2014-04-09 | 주식회사 레드로버 | Appratus for estimating half mirror quality of stereo camera rig |
-
2015
- 2015-08-28 TW TW104128475A patent/TWI594017B/en not_active IP Right Cessation
- 2015-10-08 JP JP2015200250A patent/JP6263510B2/en active Active
- 2015-10-08 KR KR1020150141705A patent/KR101799643B1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102377063B1 (en) * | 2021-11-29 | 2022-03-21 | 주식회사 정완컴퍼니 | Hologram display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI594017B (en) | 2017-08-01 |
| TW201614335A (en) | 2016-04-16 |
| JP2016082588A (en) | 2016-05-16 |
| JP6263510B2 (en) | 2018-01-17 |
| KR101799643B1 (en) | 2017-11-20 |
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