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WO2019182175A1 - Procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3d et un procédé de correction d'image 2d sont combinés - Google Patents

Procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3d et un procédé de correction d'image 2d sont combinés Download PDF

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Publication number
WO2019182175A1
WO2019182175A1 PCT/KR2018/003294 KR2018003294W WO2019182175A1 WO 2019182175 A1 WO2019182175 A1 WO 2019182175A1 KR 2018003294 W KR2018003294 W KR 2018003294W WO 2019182175 A1 WO2019182175 A1 WO 2019182175A1
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WO
WIPO (PCT)
Prior art keywords
distortion correction
display
content
cylinder
cylinder display
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/KR2018/003294
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English (en)
Korean (ko)
Inventor
권재현
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.)
Olim Planet Inc
Original Assignee
Olim Planet Inc
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 Olim Planet Inc filed Critical Olim Planet Inc
Priority to PCT/KR2018/003294 priority Critical patent/WO2019182175A1/fr
Publication of WO2019182175A1 publication Critical patent/WO2019182175A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/80—Geometric correction

Definitions

  • the present invention relates to a cylinder display display method combining a 3D spatial distortion correction method and a 2D image correction method. More specifically, the present invention relates to a spatial distortion correction method for correcting an influence caused by hardware curvature distortion of a cylinder applied to an output or content displayed on a cylinder display, and a cylinder display display method using the same.
  • the flexible display is a display having a characteristic that can be transformed like a paper, and is a consumer-oriented future display technology that can search and obtain desired information anytime and anywhere.
  • Such a flexible display may be bent due to the characteristics of the flexible display panel, and may be fixed while being bent to provide visual information at various angles (eg, 360 degrees), for example, to provide visual information at 360 degrees.
  • the flexible display can be referred to as cylinder display or cylinder display.
  • An object of the present invention is to solve the above problems, an object of the present invention is to provide a spatial distortion correction method for a cylinder display device that can interact in a 360 degree space.
  • Another object of the present invention is to provide a cylinder display display method combining a 3D spatial distortion correction method and a 2D image correction method.
  • the cylinder display display method combining the 3D spatial distortion correction method and the 2D image correction method of the present invention for solving the above-described problems, based on the actual output size of the content provided on the cylinder display, determines the size of the space to be used for distortion correction And performing a spatial distortion correction on the content by applying a formula for distortion correction and displaying the content on which the spatial distortion correction is applied on the cylinder display, wherein the spatial distortion correction includes the distortion. It may further comprise a discretization step and a normalization step for the equation for correction.
  • a spatial distortion correction system and method for a cylinder display can be proposed.
  • a cylinder display display method combining a 3D spatial distortion correction method and a 2D image correction method may be provided.
  • 1 to 6 are views for explaining the difference between the cylinder display and the flat panel display according to an embodiment of the present invention.
  • FIG. 7 to 9 are views for explaining the difference according to the size of the cylinder display according to an embodiment of the present invention.
  • FIG. 10 is a diagram for describing a distortion problem that may occur in content displayed on a cylinder display.
  • FIG. 11 illustrates a definition of a region size to be used for distortion correction according to an embodiment of the present invention.
  • FIG. 12 is a view for explaining a process of deriving a curvature distortion correction formula for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • FIG. 13 is a diagram illustrating a discretization process for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • FIG. 14 is a diagram illustrating a normalization process for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • FIG. 15 is a diagram for describing a result of applying a spatial distortion correction method for a cylinder display according to an exemplary embodiment of the present invention.
  • ... unit described in the specification means a unit for processing at least one function or operation, which may be implemented in hardware or software or a combination of hardware and software.
  • “a” or “an”, “one”, and the like shall be, in the context of describing the present invention, both singular and plural unless the context clearly dictates otherwise or is clearly contradicted by the context. It can be used as a meaning including.
  • a spatial distortion correction method for a cylinder display will be proposed. Accordingly, the difference between the cylinder display and the flat panel display will first be described.
  • 1 to 6 are views for explaining the difference between the cylinder display and the flat panel display according to an embodiment of the present invention.
  • the movement of an object on a flat panel display and the movement of the object on a cylinder display can cause differences in terms of continuity of the visual perception of the observer.
  • FIG. 1 As shown in FIG. 1, (1) when one object moves from position 1 to position 2, i.e., 1/4 of the whole, on a flat panel display, and (2) position on a cylinder display. If you move from 1 'to position 2' by a quarter (90 degrees) of the whole, you can perceive that the object has moved to the right, assuming the observer is at position A.
  • the range of movement of the object is small in this way (for example, less than a quarter of the whole or less than 90 degrees, etc.), the movement of the object on the flat panel display and the cylinder display is viewed from an observer's point of view. You may not notice any difference between the movements of your objects.
  • the flat display is viewed from the observer's point of view.
  • the motion of the object and the motion of the object on the cylinder display may be perceived as different movements.
  • the movement of the object may return to the observer's visual range again. For example, if an object moves from position 4 'to position 3', the user (or observer) at position B may re-perceive the particular object that was just out of sight.
  • a cylinder display device may be observed 360 degrees, and as a result, a phenomenon in which only a part of the cylinder display may be perceived may occur according to a viewer's position. have.
  • the observer can perceive different contents depending on which of the positions A, B, C, and D is looking at the cylinder display. That is, if the observer is at position A and at position B, there may be overlapping content, and the content of the area close to position D at position A is not recognized at observer's position B, and position C at position B The contents of the area close to are not recognized at the viewer's position A.
  • the cylinder display as described above or a display method using the same due to its inherent characteristics, double distortion may occur, and mainly when the computer graphic (CG) output on the flat panel display on the cylinder display Distortion may occur.
  • CG computer graphic
  • a specific object may be rotated on a cylinder curved surface as well as up, down, left, and right on a cylinder display.
  • a difference may occur between the CG output and the final perceived outcome with the observation.
  • a difference may occur between the flat panel display and the cylinder display even in the representation of depth.
  • the expression of depth infinite expression (directing) is possible inside the screen, which can be regarded as the vanishing point, whereas in the cylinder display, the depth is limited to the diameter (diameter) to form a real sense of space. There is a characteristic.
  • FIG. 7 to 9 are views for explaining the difference according to the size of the cylinder display according to an embodiment of the present invention.
  • the entire CG output falls within the observer's field of view, while on the cylinder display, the limitation of not being able to see the entire 360 degree field of view at a glance May occur. According to a related study, only about 44% of viewers see a flat panel display.
  • the size of the cylinder display also varies the viewer's visual perception. As shown in FIG. 8, even if an object of the same size is output on the cylinder display, all of the objects can be visually recognized in the A cylinder display, which is relatively larger than B, and in the B cylinder display, a part of the object is in the visual range. You can see it coming off.
  • such a feature can be utilized in a method for producing content.
  • content that is difficult to express on an existing plane may be produced on a cylinder display by utilizing a formative element having a curved shape.
  • FIG. 10 is a diagram for describing a distortion problem that may occur in content displayed on a cylinder display.
  • the image of the wide area is displayed in the narrow area, and accordingly, it is necessary to increase the image of the screen and convert the image of the image to be enough to be seen in the narrow area.
  • FIG. 11 illustrates a definition of a region size to be used for distortion correction according to an embodiment of the present invention.
  • the size of an area to be used for distortion correction is defined using the resolution of a cylinder display to be actually used. For example, if the resolution of the cylinder display is 1280 * 960, the circumference of the circle in FIG. 11 is 1280 pixels, and the length of the required radius, that is, the original screen length, is 640 pixels. In this case, since the reduced screen length is equal to the diameter of the circle, it may be referred to as about 407 pixels. For convenience of calculation, the screen length is defined as 400 pixels.
  • the area that the user can actually see is 400 pixels
  • the area of 400 pixels needs to be extended by 240 pixels to the area of 640 pixels occupying the cylinder display. Therefore, there is a need for a spatial distortion correction system and method for a cylinder display according to an embodiment of the present invention.
  • FIG. 12 is a view for explaining a process of deriving a curvature distortion correction formula for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • an axis means a front pixel, and when the front center is viewed as 0, the left end region is -200 and the right end region is 200.
  • FIG. 13 is a diagram illustrating a discretization process for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • an enlargement amount may be defined for each bin by setting bins in an interval of 400 pixels.
  • 40 bins having a horizontal length of 5 pixels are used, and the graph shown on the right side of FIG. 13 shows an enlarged histogram of 40 bins.
  • FIG. 14 is a diagram illustrating a normalization process for applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention.
  • the normalization process may refer to an operation of setting the total sum of the discretized histograms to 240 because the total 240 pixels must be increased to increase the 400 pixels to 640 pixels.
  • the sum is normalized to 240 so that the maximum value is about 25.
  • FIG. 15 is a diagram for describing a result of applying a spatial distortion correction method for a cylinder display according to an exemplary embodiment of the present invention.
  • FIG. 15 a result of applying a spatial distortion correction method for a cylinder display according to an embodiment of the present invention is shown.
  • the content looks stretched, but when the corresponding content is mapped to the cylinder, the planar image may be compared with the uncorrected image.
  • the cylinder display display method combining the present inventors 3D spatial distortion correction method and 2D image correction method can be applied to various cylinder display display methods.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

La présente invention concerne un procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3D et un procédé de correction d'image 2D sont combinés, et selon un mode de réalisation de la présente invention, le procédé d'affichage d'afficheur à cylindre comprend les étapes consistant à : déterminer la taille d'un espace à utiliser pour une correction de distorsion, sur la base de la taille de sortie réelle du contenu à fournir à un dispositif d'afficheur à cylindre ; corriger une distorsion d'espace du contenu par application d'une formule mathématique pour la correction de distorsion ; et afficher le contenu pour lequel la distorsion d'espace a été corrigée, la correction de distorsion d'espace pouvant en outre comprendre une étape de discrétisation et une étape de normalisation par rapport à la formule mathématique pour la correction de distorsion.
PCT/KR2018/003294 2018-03-21 2018-03-21 Procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3d et un procédé de correction d'image 2d sont combinés Ceased WO2019182175A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/003294 WO2019182175A1 (fr) 2018-03-21 2018-03-21 Procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3d et un procédé de correction d'image 2d sont combinés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2018/003294 WO2019182175A1 (fr) 2018-03-21 2018-03-21 Procédé d'affichage d'afficheur à cylindre dans lequel un procédé de correction de distorsion d'espace 3d et un procédé de correction d'image 2d sont combinés

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WO2019182175A1 true WO2019182175A1 (fr) 2019-09-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3661964B2 (ja) * 1997-06-17 2005-06-22 日本放送協会 画像拡大処理装置および方法並びに画像拡大処理制御プログラムを記録した記録媒体
KR20100130344A (ko) * 2009-06-03 2010-12-13 주식회사 아인픽춰스 곡선 화면을 위한 왜곡 영상 생성장치 및 방법
KR20140017391A (ko) * 2012-08-01 2014-02-11 삼성전자주식회사 플렉서블 디스플레이 장치 및 그 제어 방법
KR101769704B1 (ko) * 2016-02-26 2017-08-21 (주) 올림플래닛 실린더 디스플레이 상의 출력 콘텐츠 조정 시스템 및 방법
KR20170105892A (ko) * 2016-03-10 2017-09-20 삼성전자주식회사 적어도 일부가 구형의 일부로 마련되는 디스플레이 및 이를 포함하는 전자 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3661964B2 (ja) * 1997-06-17 2005-06-22 日本放送協会 画像拡大処理装置および方法並びに画像拡大処理制御プログラムを記録した記録媒体
KR20100130344A (ko) * 2009-06-03 2010-12-13 주식회사 아인픽춰스 곡선 화면을 위한 왜곡 영상 생성장치 및 방법
KR20140017391A (ko) * 2012-08-01 2014-02-11 삼성전자주식회사 플렉서블 디스플레이 장치 및 그 제어 방법
KR101769704B1 (ko) * 2016-02-26 2017-08-21 (주) 올림플래닛 실린더 디스플레이 상의 출력 콘텐츠 조정 시스템 및 방법
KR20170105892A (ko) * 2016-03-10 2017-09-20 삼성전자주식회사 적어도 일부가 구형의 일부로 마련되는 디스플레이 및 이를 포함하는 전자 장치

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