WO2012144702A1 - Dispositif d'affichage vidéo en trois dimensions - Google Patents

Dispositif d'affichage vidéo en trois dimensions Download PDF

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Publication number
WO2012144702A1
WO2012144702A1 PCT/KR2011/007293 KR2011007293W WO2012144702A1 WO 2012144702 A1 WO2012144702 A1 WO 2012144702A1 KR 2011007293 W KR2011007293 W KR 2011007293W WO 2012144702 A1 WO2012144702 A1 WO 2012144702A1
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WO
WIPO (PCT)
Prior art keywords
image
unit
projection
eye image
display device
Prior art date
Application number
PCT/KR2011/007293
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English (en)
Korean (ko)
Inventor
장명기
강태형
박현호
Original Assignee
(주)엔투스
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 (주)엔투스 filed Critical (주)엔투스
Publication of WO2012144702A1 publication Critical patent/WO2012144702A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/30—Image reproducers
    • H04N13/398—Synchronisation thereof; Control thereof

Definitions

  • the present invention relates to a stereoscopic image display device capable of displaying a 2D image as a stereoscopic image which is a 3D image.
  • the 3D image may be provided by allowing different images to be recognized by the viewer's left and right eyes, and by synthesizing the recognized left and right images.
  • the left eye image and the right eye image are simultaneously displayed or alternately displayed on the stereoscopic screen, and the left eye image and the right eye image are respectively displayed to the left eye and the right eye while the viewer wears stereoscopic glasses It may be provided in such a way as to be able to see, and the image information of the left eye image and the right eye image allows the image to be recognized in three dimensions in the brain of the viewer.
  • a polarizing plate having respective patterns having different polarization characteristics may be installed on the display device.
  • Each of these patterns may be alternately arranged in a row or arranged in a checkerboard pattern.
  • a 3D display device in order to display a stereoscopic image, a 3D display device must be manufactured to display a left eye image and a right eye image simultaneously or alternately. In order to view a stereoscopic image, it is inconvenient to purchase a separate 3D display device. There was a ham.
  • the present invention is to provide a stereoscopic image display apparatus that can display a stereoscopic image by synthesizing a left eye image and a right eye image and displaying the same on a 2D LED display using a polarization filter.
  • the present invention provides a stereoscopic image display device that can provide a clear and uniform stereoscopic image by improving and combining the sharpness of the left eye image and the right eye image, and by uniformly adjusting the projection position to display on the 2D LED display device. I would like to.
  • the image input unit 110 to which the left eye image and the right eye image are input the synchronization unit 120 for synchronizing the left eye image and the right eye image, and each image of the synchronized left eye image and the right eye image
  • a display device may be provided.
  • the left eye image and the right eye image constituting the 3D image are synchronized and scaled, and then synthesized into a stereoscopic image, the sharpness of the synthesized image is improved, and adjusted to be uniformly projected on the LED to the 2D display device. By projecting, it is possible to provide a stereoscopic image at no additional cost.
  • FIG. 1 is a block diagram of a stereoscopic image display device according to an embodiment of the present invention.
  • FIGS. 2A to 2C are views illustrating a polarizing plate provided in a stereoscopic image display device according to an embodiment of the present invention
  • FIG. 3 is a diagram illustrating a 2D LED array of a stereoscopic image display device according to an embodiment of the present invention
  • FIG. 4 is a view for explaining a polarizing filter provided in the polarizing glasses according to the embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a polarizer disposed on a stereoscopic image display device according to an embodiment of the present invention
  • FIG. 6 is a diagram illustrating providing a stereoscopic image using a stereoscopic image display device according to an exemplary embodiment of the present invention.
  • projection setting unit 160 projection unit
  • the image input unit 110 to which the left eye image and the right eye image are input the synchronization unit 120 for synchronizing the left eye image and the right eye image, and each image of the synchronized left eye image and the right eye image
  • a display device may be provided.
  • Combinations of each block of the accompanying block diagram and each step of the flowchart may be performed by computer program instructions.
  • These computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment such that instructions executed through the processor of the computer or other programmable data processing equipment may not be included in each block or flowchart of the block diagram. It will create means for performing the functions described in each step.
  • These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory.
  • instructions stored in may produce an article of manufacture containing instruction means for performing the functions described in each block or flowchart of each step of the block diagram.
  • Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions that perform processing equipment may also provide steps for performing the functions described in each block of the block diagram and in each step of the flowchart.
  • each block or step may represent a portion of a module, segment or code that includes one or more executable instructions for executing a specified logical function (s).
  • a specified logical function s.
  • the functions noted in the blocks or steps may occur out of order.
  • the two blocks or steps shown in succession may in fact be executed substantially concurrently or the blocks or steps may sometimes be performed in the reverse order, depending on the functionality involved.
  • FIG. 1 is a block diagram of a stereoscopic image display device according to an exemplary embodiment of the present invention.
  • the stereoscopic image display device will be described as a 2D LED display device.
  • a stereoscopic image display device includes an image input unit 110, a synchronization unit 120, a scaling unit 130, an image synthesis and correction unit 140, and a projection setting unit 150. ), The projection unit 160, and the like.
  • the image input unit 110 receives a left eye image and a right eye image.
  • the left eye image and the right eye image constituting the stereoscopic image that is, the 3D image
  • the left eye image and the right eye image are input to the synchronizer 120. Can provide.
  • the synchronization unit 120 synchronizes the left eye image and the right eye image.
  • the left eye image and the right eye image are provided from the image input unit 110, the left eye image according to image information (eg, time, frame, etc.) of each image is provided.
  • image information eg, time, frame, etc.
  • the scaling unit 130 adjusts the size of each image of the synchronized left eye image and the right eye image corresponding to the display device image size.
  • the scaling unit 130 adjusts each image size.
  • the image may be adjusted to the same image size corresponding to the image size of the display device and provided to the image synthesis and correction unit 140.
  • the image synthesis and correction unit 140 synthesizes a left eye image and a right eye image into a stereoscopic image and then improves sharpness.
  • the image synthesis and correction unit 140 synchronizes a left eye image and a right eye image synchronized from the scaling unit 130 and has the same image size.
  • To enhance the high frequency components of the image to enhance the contrast of the image, to use the look-up table, and to enhance the edge characteristics of the image.
  • the image may be provided to the projection setting unit 150 by improving the sharpness of the image.
  • a technique for sharpening an image will be described.
  • a method of enhancing a high frequency component of an image for example, a low frequency component of an image is removed to enhance a high frequency component or a high frequency component of an image.
  • By passing through the bay it is possible to further emphasize the detail of the image.
  • the sharpness of the image may be improved.
  • the color contrast value may be largely adjusted, thereby improving image sharpness.
  • the projection setting unit 150 sets a projection method for projecting a stereoscopic image having improved sharpness.
  • a stereoscopic image having improved sharpness is provided from the image synthesizing and correcting unit 140
  • the projection setting unit 150 projects the stereoscopic image onto the LED.
  • the image and projection method information may be provided to the projection unit 160 to project a stereoscopic image according to the projection method.
  • Such a projection method may be set according to the shape of the polarizing plate provided in the stereoscopic image display apparatus according to the embodiment of the present invention, may be set using an even random number generator, and may be set using a projection matrix and a non-projection matrix. Can be.
  • the projection method will be described.
  • the vertical polarizing plate 200A as shown in FIG. 2A is paired with the odd rows 210a.
  • the projecting LED can be set, and in the horizontal polarizer 200B as shown in FIG. 2B, the odd columns 220a and the even columns 220b are separately selected and projected.
  • the LED may be set, and in the case of the lattice polarizer 200C as shown in FIG. 2, the LED to project may not be set separately.
  • the projected LED can be set by generating a random number having an even LED projection distribution using the uniform random number generator.
  • the rows and columns of the non-projected LEDs are equally selected to thereby project the LEDs to project. Can be set.
  • the projection unit 160 projects the stereoscopic image according to the set projection method, and projects the stereoscopic image provided from the projection setting unit 160 to the selected LED of the 2D LED panel according to the set projection method.
  • the 2D LED panel 300 may include a single-color or three-color LED 310 of one color (R, G, B: full color) as a single module, and a plurality of LED modules may be n.
  • the 2D LED panel 300 may be configured by being arranged (arranged) on a panel of mm.
  • FIG. 4 is a view for explaining a polarizing filter provided in the polarizing plate and the polarizing glasses according to the embodiment of the present invention
  • FIG. 5 illustrates the arrangement of the polarizing plate in the stereoscopic image display device according to the embodiment of the present invention
  • 6 is a diagram illustrating providing a stereoscopic image using a stereoscopic image display device according to an exemplary embodiment of the present invention.
  • the polarization filter of the polarizing plate provided in the 2D display device and the polarization filter provided in the polarizing glasses to provide a stereoscopic image, as shown in FIG. 4, applies a linear polarization method, a circular polarization method, or the like.
  • the linearly polarized light and the circularly polarized light can transmit only light of a specific direction wavelength.
  • the polarizing plate 200A having the linearly polarized light or circularly polarized light filter may be attached to the front surface of the 2D LED panel 300 as shown in FIG. 5.
  • the polarizing plate 200A is illustrated using the vertical polarizing plate as an example.
  • the linearly polarized light or circularly polarized light polarizing filter included in the polarizing glasses 400 includes a polarizing filter of a method corresponding to the polarizing filter provided in the polarizing plate 200A. Viewers can watch a stereoscopic image displayed through the 2D LED panel 300 of the stereoscopic image display device according to the embodiment.
  • the stereoscopic image may be provided at no additional cost.
  • the left eye image and the right eye image constituting the 3D image are synchronized and scaled, and then synthesized into a stereoscopic image, the sharpness of the synthesized image is improved, and adjusted to be uniformly projected on the LED to the 2D display device. By projecting, it is possible to provide a stereoscopic image at no additional cost.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

La présente invention concerne un dispositif d'affichage vidéo en trois dimensions, qui comprend : une unité d'entrée vidéo (110), à laquelle sont transmises une vidéo de gauche et une vidéo de droite ; une unité de synchronisation (120) destinée à synchroniser la vidéo de gauche et la vidéo de droite ; une unité de mise à l'échelle (130) destinée à ajuster la taille de chacune de la vidéo de gauche synchronisée et de la vidéo de droite synchronisée afin de correspondre à la taille du dispositif d'affichage ; une unité de synthèse et de correction vidéo (140) destinée à synthétiser la vidéo de gauche et la vidéo de droite délivrées par l'unité de mise à l'échelle (130) en une vidéo en trois dimensions, puis à améliorer leur visibilité ; une unité de paramétrage projection (150) destinée à définir un procédé de projection afin de projeter une vidéo en trois dimensions ayant une visibilité améliorée ; et une unité de projection (160) destinée à projeter la vidéo en trois dimensions selon le procédé de projection défini.
PCT/KR2011/007293 2011-04-21 2011-10-03 Dispositif d'affichage vidéo en trois dimensions WO2012144702A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110037285A KR101238698B1 (ko) 2011-04-21 2011-04-21 입체 영상 표시 장치
KR10-2011-0037285 2011-04-21

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WO2012144702A1 true WO2012144702A1 (fr) 2012-10-26

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WO (1) WO2012144702A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000039515A (ko) * 1998-12-14 2000-07-05 윤종용 입체영상 디스플레이장치
US20070008314A1 (en) * 2005-07-05 2007-01-11 Myoung-Seop Song Stereoscopic image display device
KR100910969B1 (ko) * 2005-01-05 2009-08-05 엘지전자 주식회사 입체 영상 표시 방법 및 그 방법을 위한 입체 영상 표시장치
KR20100130723A (ko) * 2009-06-04 2010-12-14 엘지전자 주식회사 입체 영상 처리 장치 및 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990085280A (ko) * 1998-05-15 1999-12-06 구자홍 입체 영상 디스플레이 장치
KR100739764B1 (ko) * 2005-11-28 2007-07-13 삼성전자주식회사 입체 영상 신호 처리 장치 및 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000039515A (ko) * 1998-12-14 2000-07-05 윤종용 입체영상 디스플레이장치
KR100910969B1 (ko) * 2005-01-05 2009-08-05 엘지전자 주식회사 입체 영상 표시 방법 및 그 방법을 위한 입체 영상 표시장치
US20070008314A1 (en) * 2005-07-05 2007-01-11 Myoung-Seop Song Stereoscopic image display device
KR20100130723A (ko) * 2009-06-04 2010-12-14 엘지전자 주식회사 입체 영상 처리 장치 및 방법

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KR20120119394A (ko) 2012-10-31
KR101238698B1 (ko) 2013-03-04

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