[go: up one dir, main page]

WO2017002993A1 - Système d'affichage d'imagerie intégrale à priorité de profondeur supprimant le phénomène de séparation de couleurs - Google Patents

Système d'affichage d'imagerie intégrale à priorité de profondeur supprimant le phénomène de séparation de couleurs Download PDF

Info

Publication number
WO2017002993A1
WO2017002993A1 PCT/KR2015/006790 KR2015006790W WO2017002993A1 WO 2017002993 A1 WO2017002993 A1 WO 2017002993A1 KR 2015006790 W KR2015006790 W KR 2015006790W WO 2017002993 A1 WO2017002993 A1 WO 2017002993A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
display panel
depth
lens array
lens
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2015/006790
Other languages
English (en)
Korean (ko)
Inventor
신동학
김은수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Institute for Industry Cooperation of Kwangwoon University
Original Assignee
Research Institute for Industry Cooperation of Kwangwoon University
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 Research Institute for Industry Cooperation of Kwangwoon University filed Critical Research Institute for Industry Cooperation of Kwangwoon University
Publication of WO2017002993A1 publication Critical patent/WO2017002993A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

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

Definitions

  • the present invention relates to a depth-first integrated video display system comprising a lens array consisting of a basic lens having a rectangular shape. It is an object of the present invention to provide a depth-first integrated imaging system that eliminates color separation that occurs when a three-dimensional stereoscopic image is formed by forming a basic lens of an array.
  • the autostereoscopic three-dimensional image display method has a parallax barrier method and a semi-cylindrical lens that separate and observe an image through a vertical grid-shaped aperture in front of each image corresponding to left and right eyes. It can be divided into a lenticular (lenticular) method using a lenticular plate in which the array is arranged and an integrated imaging method using a lens array of a fly's eye shape.
  • Such a stereoscopic image display method is limited to a small number of people due to the fixed viewing range, but it is convenient because no glasses are worn, such as a stereoscopic image display method by special glasses, and is easier to implement than a holographic display method. Among them, more preferred.
  • the integrated imaging technology displays a three-dimensional image by arranging a lens array in front of the display panel, thereby making it simple to use a commercially available display panel and achieving continuous color three-dimensional images within a viewing angle range. It is easy.
  • the integrated imaging system has two types of structures depending on the arrangement interval of the display panel and the lens array.
  • g be the distance between the display panel and the lens array, and let f be the focal length of the small elementary lens of the lens array.
  • the two structures differ in display resolution and display depth of the 3D image.
  • the element image is enlarged to a predetermined size, and the enlarged respective elements Generating a reconstructed image by adding pixels located at the same coordinates of the image; Measuring a blur metric value of each reconstructed image; Selecting a reconstructed image corresponding to an inflection point of the blur metric value according to a focal length as a focus image; Generating an erosion image through an erosion operation of subtracting each pixel value of a corresponding erosion mask from each pixel value of the focus image; And a method for mapping the eroded image to the reconstructed image.
  • the present invention has been made to solve the above-described problem, color separation generated when a three-dimensional stereoscopic image is realized through a lens array in a display panel consisting of red (r), green (g), and blue (b) pixels. It is to provide a depth-first integrated imaging system that eliminates the phenomenon.
  • Depth-first integrated image display system to remove the color separation phenomenon of the present invention is a display panel consisting of subpixels of red (r), green (g) and blue (b), and disposed on the back of the display panel to the light toward the display panel And a lens array disposed on the front of the display panel to enlarge and pass the subpixels of the display panel.
  • the lens array includes a basic lens having a rectangular vertical cross section arranged up, down, left, and right. It is characteristic that there is.
  • the present invention eliminates the color separation that occurs when the three-dimensional stereoscopic image is implemented by forming the basic lens of the lens array in a rectangular shape, thereby providing a three-dimensional image with clear image quality, thereby providing a more three-dimensional image. There is a remarkable effect such as being able to enjoy.
  • FIG. 1 is a schematic diagram illustrating the principle of an integrated imaging technique according to the prior art
  • FIG. 2 is a schematic diagram illustrating a system of integrated images classified according to arrangement intervals of a display panel and a lens array according to the prior art
  • FIG. 3 is a schematic diagram illustrating a structure of a depth-first integrated imaging system using a display panel composed of red, green, and blue subpixels according to the prior art
  • Figure 4 is a schematic diagram showing a depth-first integrated image display system for removing the color separation phenomenon of the present invention.
  • FIG. 5 is a schematic diagram showing a display panel and a lens array structure for subpixel enlargement display of a depth-first integrated image display system for removing color separation from the present invention
  • FIG. 6 is a schematic diagram illustrating the positional relationship between a subpixel magnifying lens array and a display panel of a depth-first integrated image display system for eliminating color separation;
  • FIG. 7 is a schematic diagram showing a relationship between a unit lens and a subpixel of a display panel.
  • FIG. 8 is a schematic diagram of exchanging a new element image of a depth-first integrated image display system that removes the present invention color separation from an existing element image.
  • FIG. 9 is a schematic diagram showing an example of an image display for a two-dimensional element image in a depth-first integrated image display system to remove the color separation phenomenon of the present invention.
  • FIG. 10 is a schematic diagram showing the principle of imaging of three-dimensional image in the conventional method.
  • FIG. 11 is a schematic diagram showing the principle of image formation of a three-dimensional image in the depth-first integrated image display system to remove the color separation phenomenon of the present invention.
  • Depth-first integrated image display system to remove the color separation phenomenon of the present invention is a display panel 250 consisting of subpixels of red (r), green (g) and blue (b) and on the back of the display panel 250
  • a backlight unit 260 disposed to provide light toward the display panel 250 and a lens array 220 disposed on the front of the display panel 250 to enlarge and pass the subpixels of the display panel 250.
  • the lens array 220 is characterized in that the vertical lens is a vertical cross-section of the primary lens is arranged up, down, left and right.
  • the basic lens of the lens array 220 is characterized in that the three made of one unit lens.
  • the primary lens is characterized in that the parallel beam is made by passing the red (r), green (g) and blue (b) light respectively.
  • FIG. 1 is a schematic diagram illustrating the principle of integrated imaging technology according to the prior art.
  • the integrated image technology is largely divided into the image acquisition step 100 and the image reproduction step 200 as shown in FIG.
  • the image acquisition step 100 is composed of a two-dimensional sensor such as an image sensor and the lens array 120, wherein the three-dimensional object 110 is located in front of the lens array 120.
  • various image information of the 3D object 110 passes through the lens array 120 and is stored in the 2D sensor.
  • the stored image is used for reproducing the 3D image 210 as the element image 130.
  • the image reproducing step 200 of the integrated imaging technology is a reverse process of the image acquiring step 100, and includes an image reproducing apparatus such as a liquid crystal display and a lens array 220.
  • the element image 230 obtained in the image acquisition step 200 is displayed on the image reproducing apparatus, and the image information of the element image 230 passes through the lens array 220 to the 3D image 210 in space. Will be played.
  • the element image 130 of the image acquisition step 100 and the element image 230 of the image reproduction step 200 are substantially the same, but the element image 230 of the image reproduction step 200 is the image acquisition step.
  • the element image 120 acquired in (100) is stored in a 2D sensor and used to reproduce a 3D image.
  • the element image 120 is distinguished by using different reference numerals to distinguish the image acquisition step 100 and the image reproduction step 200. Shown.
  • FIG. 2 is a schematic diagram illustrating a system of integrated images classified according to an arrangement interval of a display panel and a lens array according to the related art.
  • FIG. 2A is a schematic diagram illustrating a depth-first integrated image system
  • FIG. It is a schematic diagram showing the video system.
  • the integrated image method may be classified into two types according to the distance g between the lens array 220 and the element image display apparatus.
  • the distance g may be divided into a case where the distance g is the same as the focal length f of the base lens of the lens array 220 and a case where the distance g is not.
  • one pixel of the element image 230 becomes a parallel beam through the lens to form an integrated beam.
  • This case is called a depth-first integrated image method, and it is possible to maximize the depth area for displaying a 3D image, but has a disadvantage in that the resolution of the 3D image 210 is low.
  • g is not equal to f
  • An integrated beam is formed by converging beams of one pixel of the element image 230 through a lens, and in this case, the 3D image 210.
  • the resolution can be increased, but the depth area is drastically reduced.
  • FIG. 3 is a schematic diagram illustrating a structure of a depth-first integrated imaging system using a display panel including red, green, and blue subpixels according to the related art.
  • Figure 4 is a schematic diagram showing a depth-first integrated image display system for removing the color separation phenomenon of the present invention.
  • the depth-first integrated image display system for removing color separation of the present invention includes a display panel 250 including red (r), green (g), and blue (b) subpixels.
  • a backlight unit 260 disposed on a rear surface of the display panel 250 to provide light toward the display panel 250 and an enlarged subpixel of the display panel 250 disposed on the front surface of the display panel 250. It is composed of a lens array 220, the lens array 220 is characterized in that the vertical lens is arranged in a vertical cross-section of the base lens in the vertical, vertical, left and right.
  • the image of the display panel 250 basically consists of red (r), green (g) and blue (b), and red (r), green (g) and blue (b) are called rgb.
  • the pixel corresponding to the rgb color is called a subpixel.
  • a backlight unit 260 is positioned on a rear surface of the display panel 250 as a light source that provides light to the display panel 250.
  • the backlight unit 260 is disposed in front of the display panel 250 and is a subpixel of the display panel 250. It consists of a lens array 220 to pass through.
  • the lens array 200 has a basic lens having a vertical cross section of a rectangular shape arranged up, down, left, and right.
  • the elementary lens is a convex lens.
  • FIG. 5 is a schematic diagram illustrating a structure of a display panel and a lens array for subpixel enlargement display of a depth-first integrated image display system which eliminates color separation.
  • the three rectangular basic lenses thus manufactured are constructed as one unit.
  • a unit lens having three basic lenses as one unit is called a unit lens, and a lens array 220 composed of such unit lenses is placed on the display panel 250 having a subpixel structure.
  • FIG. 6 is a schematic diagram illustrating a positional relationship between a subpixel magnifying lens array and a display panel of a depth-first integrated image display system that eliminates color separation.
  • the distance between the lens array 220 and the display panel 250 is equal to the focal length of the base lens of the lens array 220.
  • the beams (rays) passing through the display panel 250 pass through the respective basic lenses to form parallel beams.
  • the unit lens used in the present invention is composed of three small base lenses, and the parallel beams of different colors are made through each base lens.
  • FIG. 7 is a schematic diagram illustrating a relationship between a unit lens and a subpixel of a display panel.
  • FIG. 7 shows an example in which four subpixels and one elementary lens are matched in one dimension.
  • the position of the rgb color should be changed as shown in FIG.
  • FIG. 8 is a schematic diagram of exchanging a new element image of a depth-first integrated image display system to remove the color separation phenomenon of the present invention from an existing element image.
  • the three elementary lenses of the unit lens are arranged by dividing the rgb pixels.
  • the k-th pixel is converted into a subpixel position of (k, k + N, k + 2N), and the swap arrangement is performed according to the rgb color information. .
  • 1r is converted to the first, 1g to the fifth pixel, and 1b to the ninth pixel.
  • K 2
  • the second, sixth, and tenth subpixel positions are connected, and when the color positions are rearranged, 2r is connected to the tenth, 2g to the second, and 2b to the sixth.
  • FIG. 9 is a schematic diagram illustrating an example of an image display of a 2D element image in a depth-first integrated image display system that eliminates color separation.
  • the observer sees an image of rgb type at a short range.
  • This structure is similar to the form in which each of the display panels 250 of the subpixel structure is enlarged.
  • the viewer can observe the image to be displayed.
  • FIG. 10 is a schematic diagram showing the principle of imaging of a three-dimensional image in the conventional method.
  • FIG. 11 is a schematic diagram illustrating an imaging principle of a 3D image in a depth-first integrated image display system that eliminates color separation.
  • one point image is divided into color components of rgb, and the imaging principle is applied to each color information.
  • the image is interpreted by connecting the geometric optical structure of the pixels connected to the subpixel of r in the display panel 250.
  • the observer only displays the intensity of the r information without losing color information.
  • the observer can combine rgb to observe the color and light intensity displayed properly.
  • the element image 230 passes through the lens array 220 and the mask panel to make clear 3 Dimensional images can be displayed.
  • the mask panel is composed of a blocking region where the element image does not pass and a transmission region through which the element image passes, and the cut area and the transmissive region are alternately positioned with time in order to provide a clearer 3D image. It can be displayed.
  • the 2D image is displayed without displaying the 3D image in space
  • the display panel is displayed in white only in a portion of the display panel
  • Two-dimensional image is displayed in the area of the mask panel corresponding to the white area of the display panel.
  • the element image passes through the lens array and the mask panel and is three-dimensional in space.
  • a method of displaying an image may be selectively implemented.
  • the present invention eliminates the color separation that occurs when the three-dimensional stereoscopic image is realized by forming the basic lens of the lens array in a rectangular shape, thereby providing a three-dimensional image with clear image quality, thereby providing a more three-dimensional effect. There is a remarkable effect, such as being able to enjoy 3D images.

Landscapes

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

Abstract

La présente invention concerne un système d'affichage d'imagerie intégrale à priorité de profondeur qui supprime un phénomène de séparation de couleurs. Plus particulièrement, le système d'affichage d'imagerie intégrale à priorité de profondeur comprend : un panneau d'affichage constitué de sous-pixels rouges (r), verts (g) et bleus (b); une unité de rétro-éclairage, disposée sur la surface arrière du panneau d'affichage, destinée à fournir de la lumière à la face du panneau d'affichage; et un réseau de lentilles, disposées sur la surface avant du panneau d'affichage, destinées à permettre aux sous-pixels du panneau d'affichage de se dilater et de le traverser, le réseau de lentilles ayant des lentilles élémentaires qui ont une section transversale verticale rectangulaire et sont disposées verticalement et horizontalement.
PCT/KR2015/006790 2015-07-01 2015-07-02 Système d'affichage d'imagerie intégrale à priorité de profondeur supprimant le phénomène de séparation de couleurs Ceased WO2017002993A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150094157A KR101691297B1 (ko) 2015-07-01 2015-07-01 색분리 현상을 제거하는 깊이우선 집적 영상 디스플레이 시스템
KR10-2015-0094157 2015-07-01

Publications (1)

Publication Number Publication Date
WO2017002993A1 true WO2017002993A1 (fr) 2017-01-05

Family

ID=57608572

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/006790 Ceased WO2017002993A1 (fr) 2015-07-01 2015-07-02 Système d'affichage d'imagerie intégrale à priorité de profondeur supprimant le phénomène de séparation de couleurs

Country Status (2)

Country Link
KR (1) KR101691297B1 (fr)
WO (1) WO2017002993A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021070196A (ja) * 2019-10-30 2021-05-06 株式会社ミマキエンジニアリング 印刷装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102006079B1 (ko) * 2017-12-07 2019-07-31 전자부품연구원 육각 렌즈를 이용한 집적영상 시스템의 시점영상 매핑 방법
CN110398843B (zh) * 2019-07-28 2024-03-05 成都航空职业技术学院 宽视角和均匀分辨率的双视3d显示装置
CN115202064B (zh) * 2021-04-12 2023-10-03 幻景启动股份有限公司 立体影像显示设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007101930A (ja) * 2005-10-05 2007-04-19 Matsushita Electric Ind Co Ltd 立体像要素画像作成表示方法および立体像表示装置
JP2007298762A (ja) * 2006-04-28 2007-11-15 Casio Comput Co Ltd 表示装置
KR20080104849A (ko) * 2007-05-29 2008-12-03 주식회사 옵토메카 유기 전계발광 소자
KR20120090507A (ko) * 2011-02-08 2012-08-17 엘지디스플레이 주식회사 집적 영상 방식의 입체 영상 표시 장치
KR101515036B1 (ko) * 2013-12-04 2015-04-24 동서대학교산학협력단 깊이우선 집적영상 디스플레이에서의 색 분리 현상 감소 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007101930A (ja) * 2005-10-05 2007-04-19 Matsushita Electric Ind Co Ltd 立体像要素画像作成表示方法および立体像表示装置
JP2007298762A (ja) * 2006-04-28 2007-11-15 Casio Comput Co Ltd 表示装置
KR20080104849A (ko) * 2007-05-29 2008-12-03 주식회사 옵토메카 유기 전계발광 소자
KR20120090507A (ko) * 2011-02-08 2012-08-17 엘지디스플레이 주식회사 집적 영상 방식의 입체 영상 표시 장치
KR101515036B1 (ko) * 2013-12-04 2015-04-24 동서대학교산학협력단 깊이우선 집적영상 디스플레이에서의 색 분리 현상 감소 방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021070196A (ja) * 2019-10-30 2021-05-06 株式会社ミマキエンジニアリング 印刷装置
JP7355604B2 (ja) 2019-10-30 2023-10-03 株式会社ミマキエンジニアリング 印刷装置

Also Published As

Publication number Publication date
KR101691297B1 (ko) 2016-12-29

Similar Documents

Publication Publication Date Title
KR100658545B1 (ko) 입체 화상 재생 장치
CN104570370B (zh) 一种立体显示装置
KR101001627B1 (ko) 입체 영상표시장치
JP4469930B2 (ja) パララックスバリア方式の立体映像表示装置
US20090115800A1 (en) Multi-view display device
KR101188429B1 (ko) 색분리 현상을 제거한 고해상도 표시 패널 및 이를 이용한입체 영상 표시 장치
WO2012121520A2 (fr) Dispositif d'affichage d'image à multiples points de vue
KR20050002587A (ko) 다중 뷰 디스플레이
JPH1032843A (ja) ３次元画像表示用の液晶表示装置
KR20050013875A (ko) 고해상도 3차원 영상 디스플레이
WO2012030090A2 (fr) Dispositif destiné à afficher des images stéréoscopiques à l'aide d'une barrière de parallaxe oblique
US20120092470A1 (en) Stereoscopic display device and stereoscopic display method
US20120113510A1 (en) Display device and display method
US20230008318A1 (en) Multi-viewpoint 3d display screen and multi-viewpoint 3d display device
WO2017002993A1 (fr) Système d'affichage d'imagerie intégrale à priorité de profondeur supprimant le phénomène de séparation de couleurs
WO2016056735A1 (fr) Dispositif d'affichage d'image multivue et son procédé de commande
WO2014175547A1 (fr) Dispositif d'affichage d'image stéréoscopique sans verre de point de vue de multiples personnes
KR20140067906A (ko) 3중 분할 사선형 시차장벽을 구비한 다시점 입체영상 표시장치
KR100662429B1 (ko) 입체 영상 표시 장치
JP2003295115A (ja) 眼鏡なし立体映像表示装置
CN102305979A (zh) 一种用于立体显示器的像素阵列结构
JP3234354B2 (ja) 投写型映像表示装置
WO2014196726A1 (fr) Dispositif d'affichage d'image autostéréoscopique
WO2020075956A1 (fr) Barrière de parallaxe et dispositif d'affichage stéréoscopique comprenant celle-ci
WO2012141465A2 (fr) Panneau d'affichage stéréographique, appareil d'affichage stéréographique et procédé d'affichage stéréographique

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15897216

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15897216

Country of ref document: EP

Kind code of ref document: A1