WO2019035494A1 - 2분할 디지털 시네마의 상영 방법 및 장치 - Google Patents
2분할 디지털 시네마의 상영 방법 및 장치 Download PDFInfo
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- WO2019035494A1 WO2019035494A1 PCT/KR2017/008891 KR2017008891W WO2019035494A1 WO 2019035494 A1 WO2019035494 A1 WO 2019035494A1 KR 2017008891 W KR2017008891 W KR 2017008891W WO 2019035494 A1 WO2019035494 A1 WO 2019035494A1
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- digital cinema
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims abstract description 83
- 230000002441 reversible effect Effects 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 4
- 239000005264 High molar mass liquid crystal Substances 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 abstract 1
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003709 image segmentation Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/28—Reflectors in projection beam
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
Definitions
- the present invention relates to digital cinema technology, and more particularly to digital cinema production, data processing, screening methods, and the like.
- Digital cinema technology has been developed by various video technologies, sound technologies, and DRM technologies.
- the view angle of the viewer in a movie theater for conventional digital cinema was about 30 to 60 degrees.
- At least two projectors had to be used in order to enhance the viewing environment of the spectator with a wider viewing angle than the conventional spectator viewing angle.
- At least two projectors can be connected in the horizontal direction to increase the width of the screen, thereby widening the viewing angle of the viewer.
- at least two or more digital cameras must be used in the movie shooting scene, and the additional production cost can not be avoided.
- even in a conventional movie theater which displays a wide digital cinema with such a wide screen it is necessary to install an additional projector in accordance with the image, so that not only cost but also practical use is restricted.
- the inventors of the present invention recognize that even if a new screening method is used, it is difficult to apply the screening method to a movie screen if a change in screening equipment is caused as compared with a conventional screening technique. It is therefore an object of the present invention to be based on the premise that it does not cause any special change in the conventional field screening technique.
- the present invention ensures that a single conventional projector is used in displaying a digital cinema having a wide viewing angle will be.
- Another object of the present invention is to ensure that there is no change in screening equipment beyond the resolution of 4K or over of 8K.
- a digital cinema displaying method comprising the steps of: producing a digital cinema image having image data composed of a left image and a right image; Storing the image file in a content server, transmitting the stored image file to a projector, image scanning step of scanning the received image file, displaying an optical path of the scanned scanning light in the image scanning step, And a light path changing step of changing the light paths of the right image and the right image differently from each other.
- the digital cinema image produced in the image production step includes a right image and a left image, and the left and right images are alternately arranged in the time direction on a frame basis .
- the optical path changing step changes the optical path of the optical path of the left image and the optical path of the right image so that the left image projection area in which the left image is projected on the screen and the right image projection area in which the right image is projected do not overlap with each other .
- the image producing step may include an original image file acquiring step of acquiring an original image file by photographing an object by the camera device, an editing step of creating an edited image by cutting the upper and lower parts of the original image file according to a predetermined effective range, An image dividing step of dividing each of the frames constituting the generated edited image into left and right halves and dividing the generated left and right halves into a left image and a right image; A blank area allocating step of allocating a blank area to the left and right sides of the skin image, a skeletonized frame forming step of alternately arranging left and right images in a frame unit by performing the blank area allocating step in a temporal direction, And an image data storing step for storing the encoded image data And that is characterized.
- the resolutions of the left image and the right image of the image segmentation step are respectively 2nK resolution .
- a method of displaying an image having image data composed of a left image and a right image comprising: an image scanning step of scanning image data encoded with the left image and the right image; Wherein the step of changing the optical path includes a step of changing the image path of the left image and the image path of the right image so that the image of the image data, which is composed of the left image and the right image, So that the projection areas projected on the projection area are not overlapped with each other.
- the content server includes an original image file acquiring module for acquiring an original image file by capturing an object of the camera device, an edited image generating module for generating an edited image by cutting the upper and lower portions according to a predetermined effective range of the image screen of the original image file, An image division module for dividing each of the frames constituting the edited image into left and right images and dividing the generated left and right images into a left image and a right image, a blank space for allocating blank areas in a frame unit on the left and right images, An area allocation module, a skin adaptation frame configuration module for alternately arranging the left and right images of the frame unit allocated in the blank area allocation module in the time direction, a skin adaptation frame configuration module for encoding the skin adaptive frame according to the standard, And a video data storage module The.
- the optical path change converter includes an image input unit for receiving an image scanned by a projector, a light separator for separating the input image into a left image and a right image to separate an optical path, And a first reflecting member constituting an optical path for advancing the light from the projector toward the left projection area of the screen, thereby changing the optical path of the image to be scanned from the projector.
- the image scanned by the projector is composed of a left image and a right image, the respective images are sequentially scanned in frame units and input to the image input unit;
- the optical isolator is configured to periodically repeat reflection and transmission of the input image so that the left image is directed to the first reflection member and the right image is transmitted to the right projection area of the screen.
- the image scanned by the projector is composed of a left image and a right image, the respective images are sequentially scanned in frame units and input to the image input unit;
- a second reflection member and a third reflection member forming an optical path for advancing the image of the right image separated by the optical isolator to the right projection area of the screen, and the optical splitter periodically reflects the input image So that the left image is directed to the first reflecting member and the right image is transmitted to the second reflecting member.
- the optical isolator includes a polarizer for converting a right image of the input image into a P-polarized image, a left image of the input image to an S-polarized image, and a P-polarized image And a PBS (polarization beam splitter) for reflecting the converted S-polarized image.
- a polarizer for converting a right image of the input image into a P-polarized image, a left image of the input image to an S-polarized image, and a P-polarized image
- a PBS polarization beam splitter
- the P-polarized light and the S-polarized light conversion cycle of the polarizer are synchronized with a frame period of an image input from the content server, thereby converting a right image of the input image into a P-polarized image, And a control unit for controlling the left image to be converted into the S-polarized image.
- the optical isolator is an REM (Reversible Electrochemical Mirror) that transmits the right image of the input image and reflects the left image of the input image.
- REM Reversible Electrochemical Mirror
- a switch of the REM (reversible electrochemical mirror) is synchronized with a frame period of an image input from the content server, and when the input image is the right image, the switch of REM (reversible electrochemical mirror) is turned off, And a control unit for turning on the switch of the REM (reversible electrochemical mirror) when the image is the left image.
- the optical isolator is a wheel beam splitter that transmits a right image of the input image and reflects a left image of the input image.
- a wheel beam splitter for synchronizing a frame period of an image input from the content server and transmitting a transmission surface of a wheel beam splitter when the input image is a right image, And a controller for controlling the number of revolutions of the rotation motor of the wheel beam splitter so that the input image is reflected on a reflection surface of a splitter (Wheel Beam Splitter) when the input image is a left image.
- a movie screening system includes a content server for storing a digital cinema image having image data composed of left and right images and outputting the digital cinema image to a projector, A light path change converter located between the projector and the screen, and a controller for synchronizing the operation of the optical isolator with the image output from the content server.
- the optical isolator includes a polymer liquid crystal panel including a dichroic dye.
- a conventional screen can provide a viewer with a large viewing angle without replacing conventional equipment.
- FIG. 1 is a flowchart schematically showing an entire process of a digital cinema screening method according to an embodiment of the present invention.
- FIG. 2 is a flowchart schematically showing an overall process of a digital cinema production method according to an embodiment of the present invention.
- FIG. 3 is a diagram illustrating a frame sequential scheme.
- FIG. 4 shows a configuration of a digital cinema screening system.
- FIG. 5 is a schematic view showing a structure and a process of an optical isolating converter according to the present invention.
- FIG. 6 is a view showing a structure and a process in the case where a polarizing beam splitter (PBS) is used as a light separator in an optical isolating converter according to an embodiment of the present invention.
- PBS polarizing beam splitter
- Figure 7 illustrates a Wheel Beam Splitter
- FIG. 8 is a view showing a structure and a process in a case where a wheel beam splitter is used as a light separator of an optical splitting converter according to an embodiment of the present invention.
- FIG. 9 shows a structure of a light path change converter according to an embodiment of the present invention.
- FIG. 10 is a view illustrating a structure and a process in the case where a polarizing beam splitter (PBS) is used as a light separator in an optical isolating converter according to an embodiment of the present invention.
- PBS polarizing beam splitter
- FIG. 11 is a view showing a structure and a process in a case where a wheel beam splitter is used as a light separator of an optical splitting converter according to an embodiment of the present invention.
- FIG. 12 is a view showing a structure in the case where a dichroic dye-mixed polymer dispersed liquid crystal (PDLC) is used as a photo-separator of an optical isolating converter according to an embodiment of the present invention.
- PDLC dichroic dye-mixed polymer dispersed liquid crystal
- Figure 1 schematically shows the overall process of the digital cinema screening method of the present invention.
- a digital cinema image having the left image and the right image and having the encoded image data is produced (S100).
- step S100 The method of producing the digital cinema image in step S100 needs to be described in detail.
- Fig. 2 schematically shows the entire process of the digital cinema image production method of the present invention.
- the digital camera device acquires an original image file while shooting an object (S200).
- S200 object
- a plurality of camera devices will be used, but the camera devices will acquire image files independently and will be determined during the editing process.
- the guide box is displayed on the monitor screen of the camera apparatus.
- a guide box may be displayed by drawing lines on the monitor screen.
- the frames constituting the edited image are divided into left and right halves to divide the left and right images (S220).
- the still image frames constituting the edited image are all divided in half.
- the unit edit image is divided into the left image and the right image.
- the operation of dividing the image into half right and left through the step S220 is performed for each unit image frame. At this time, a blank area is allocated to the left image and the right image on a frame basis (S230).
- the left side image and the right side image of step S230 are alternately arranged in the time direction to construct a skin-enhanced frame (S240).
- 3 (a) shows that the left side image and the right side image are alternately arranged in the time direction (frame sequential) in step S240.
- the frame sequential method is capable of reproducing a full resolution image.
- the left and right images are alternately arranged in the time direction so that the 24fps image is divided into the left image and the left image,
- the right image is included and can be output at 48fps.
- the frame sequential method may have a flicker of an image, blinking can be reduced by increasing the image output per second at 96 fps and 144 fps as in 3 (b).
- step S240 the image data generated by coding the skin luxurious frame according to the standard is stored (S250), and finally the image to be displayed is produced.
- the image file of the digital cinema produced in step S100 is stored in the content server (S110), and the image file is transmitted to the projector through the stored image file (S120).
- the left image and the right image are scanned (S130), and the optical path of the scanned scanning light is changed to be different between the optical path of the left image and the optical path of the right image (S140).
- the digital cinema image produced in step S100 includes a right image and a left image, and the left and right images are alternately arranged in the time direction on a frame basis .
- the step S140 may change the light path of the left image and the light path of the right image so that the left image is projected on the screen and the right image is projected on the screen have.
- the left image and the right image are sequentially scanned so that a wide digital cinema can be displayed by changing the optical path so that the respective projection areas projected on the screen are not overlapped with each other.
- the equipment used in the shooting scene is a 2K camera, sometimes using a 4K resolution camera, but it is possible to shoot a movie using an 8K camera in the future.
- the 16K and 32K standards can be used. For example, when the resolution specification of the original image file is 2 n + 1 K (n is a natural number) resolution, an image file having a resolution of 2 n K can be obtained.
- FIG. 4 shows a movie screening system according to an embodiment of the present invention.
- a movie screening system includes a content server for storing a digital cinema image having image data composed of a left image and a right image and outputting the digital cinema image to a projector, a projector for scanning an encoded image stored in the content server, And a control device for synchronizing the operation of the optical splitter with the image output from the content server.
- the content server may include an original image file acquisition module, an edited image generation module, an image segmentation module, a blank area allocation module, a skin adaptation frame configuration module, and an image data storage module.
- the original image file acquisition module acquires an original image file in which the camera device has taken an object at the photographing site.
- the edit image generation module cuts the original image file acquired by the original image file acquisition module into a predetermined effective range and cuts the upper and lower portions of the original image into a necessary image portion.
- the image segmentation module divides each frame constituting the edited image edited in the edit image generation module into left and right images and divides the edited image into left and right images.
- the blank area allocation module allocates a blank area on a frame basis to the left and right images divided by the image division module. By controlling the size of the blank area, the movement of the screen can be adjusted.
- the skin rescue frame composing module arranges left and right images of a frame unit allocated in the blank area allocation module alternately in the time direction to construct a skin-enhanced frame.
- the image data storage module stores image data by encoding the skin-enhanced frame according to the standard.
- FIG. 5 shows a structure of an optical path changing converter according to the first embodiment of the present invention.
- the optical path changing converter 3 includes a video input unit 11 for receiving an image scanned by the projector 2, a demultiplexer for separating the input video into a left video and a right video, And a first reflecting member constituting an optical path for advancing the left image separated by the optical separator 12 toward the left projection area 5 of the screen.
- the left and right images scanned by the projector 2 are sequentially scanned on a frame-by-frame basis and input to the image input unit 11.
- the input unit to which the image is input transmits the left image and the right image as it is to the optical splitter 12, and the optical splitter 12 repeats reflection and transmission of the input image periodically.
- the left channel image of the image input to the optical isolator 12 is reflected by the first reflection member 13.
- the left channel image transmitted to the first reflection member 13 is reflected by the first reflection member 13 and travels toward the left projection area 5 of the screen.
- the right channel image can be transmitted through the optical splitter 12 and advanced in the direction of the right projection area 6 of the screen.
- the optical isolator located in the optical path change converter 3 of FIG. 6 converts the inputted right image into a P-polarized image, and converts a left image of the input image into an S-polarized image Polarizer) 15, and PBS (polarized light splitter) 14 for transmitting the converted P-polarized image and reflecting the converted S-polarized image.
- the left channel image reflected by the PBS 14 is reflected by the first reflection member 13 and travels to the left projection area 5 of the screen.
- the PBS (polarized light beam splitter) 14 ) Is transmitted to the right-side projection area 6 of the screen.
- the right image of the input image is converted into a P- And a control unit 4 for controlling the left-side image of the input image to be converted into an S-polarized image.
- the optical isolator 12 located in the optical path change converter 3 may be configured as a REM (Reversible Electrochemical Mirror) that transmits the right image of the input image and reflects the left image of the input image. have.
- the left channel image reflected by the REM (Reversible Electrochemical Mirror) is reflected by the first reflection member 13 to proceed to the left projection area 5 of the screen, and the REM (reversible electrochemical mirror) And the right channel image advances to the right projection area 6 of the screen.
- a switch of the REM (reversible electrochemical mirror) is synchronized with a frame period of an image input from the contents server 1, and when the input image is the right image, the switch of REM (reversible electrochemical mirror) is turned off And a control unit 4 for turning on the switch of the REM (reversible electrochemical mirror) when the input image is the left image.
- the optical isolator located in the optical path changing converter 3 transmits the right image of the input image and reflects the left image of the input image, (Wheel Beam Splitter) 16.
- the left channel image reflected by the wheel beam splitter 16 is reflected by the first reflecting member 13 and travels to the left projection area 5 of the screen.
- the left channel image reflected by the wheel beam splitter 16 The right channel image transmitted through the beam splitter 16 is transmitted to the right projection area 6 of the screen.
- a wheel beam splitter 16 synchronizes a frame period of an image input from the content server 1 and outputs a wheel beam splitter 16 when the input image is a right image And transmits the transmitted image to a wheel beam splitter 16 so that the input image is reflected on a reflection surface of a splitter 16 when the input image is a left image.
- a control unit 4 for controlling the number of pixels.
- FIG 9 shows the structure of the optical path changing converter 3 according to the second embodiment of the present invention.
- the image scanned by the projector 2 is composed of a left image channel and a right image channel to which a left image and a right image are respectively allocated.
- Each of the channel images is sequentially scanned in units of frames, input to the image input unit 11, and transmitted to the optical splitter 12.
- the optical isolator 12 is configured to periodically repeat reflection and transmission of an input image.
- the left channel image reflected by the optical isolator 12 travels to the first reflecting member 13 and is reflected by the first reflecting member 13 to the left projection area 5 of the screen.
- the right channel image transmitted by the optical splitter 12 is reflected by the second reflecting member to proceed to the third reflecting member 18, and the right channel image reflected by the third reflecting member 18 And is directed to the right projection area 6 of the screen.
- the optical splitter located in the optical path changing converter 3 changes the input right image to a P-polarized image, and the left image of the input image is converted into an S- And a PBS (polarized light splitter) 14 for transmitting the converted P-polarized image and reflecting the converted S-polarized image.
- the left channel image reflected by the PBS 14 passes through the first reflecting member 13 and is reflected by the first reflecting member 13 toward the left projection area 5 of the screen .
- the right channel image transmitted through the PBS (polarized light splitter) 14 is reflected by the second reflecting member to proceed to the third reflecting member 18, The right channel image is directed to the right projection area 6 of the screen.
- the right image of the input image is converted into a P- And a control unit 4 for controlling the left-side image of the input image to be converted into an S-polarized image.
- the optical isolator located in the optical path change converter 3 may comprise a REM (Reversible Electrochemical Mirror) that transmits the right image of the input image and reflects the left image of the input image.
- the left channel image reflected by the REM (Reversible Electrochemical Mirror) advances to the first reflection member 13 and is reflected on the first reflection member 13 and directed to the left projection area 5 of the screen.
- the right channel image transmitted by the optical splitter 12 is reflected by the second reflecting member to proceed to the third reflecting member 18, and the right channel image reflected by the third reflecting member 18 And is directed to the right projection area 6 of the screen.
- a switch of the REM (reversible electrochemical mirror) is synchronized with a frame period of an image input from the contents server 1, and when the input image is the right image, the switch of REM (reversible electrochemical mirror) is turned off And a control unit 4 for turning on the switch of the REM (reversible electrochemical mirror) when the input image is the left image.
- the optical isolator located in the optical path change converter 3 transmits the right image of the input image and reflects the left image of the input image, And a beam splitter (Wheel Beam splitter) 16.
- the left channel image reflected by the wheel beam splitter 16 travels to the first reflecting member 13 and is reflected by the first reflecting member 13 to be incident on the left projection area 5 of the screen.
- the right channel image transmitted by the optical splitter 12 is reflected by the second reflection member 17 and proceeds to the third reflection member 18, and the right channel image reflected by the third reflection member 18 The channel image is directed to the right projection area 6 of the screen.
- a wheel beam splitter 16 synchronizes a frame period of an image input from the content server 1 and outputs a wheel beam splitter 16 when the input image is a right image And transmits the transmitted image to a wheel beam splitter 16 so that the input image is reflected on a reflection surface of a splitter 16 when the input image is a left image.
- a control unit 4 for controlling the number of pixels.
- the optical path converter 3 of FIG. 4 may be composed of a 5: 5 beam splitter and an optical shutter, as shown in FIG.
- the optical shutter may be composed of a dichromatic dye-mixed polymer dispersed liquid crystal (PDLC) formed between transparent electrodes as an example.
- PDLC dichromatic dye-mixed polymer dispersed liquid crystal
- polymer dispersed liquid crystals transit transparent / blocking (scattering) states upon application of an electric field.
- the polymer dispersed liquid crystal is turned on and off according to the image frame period according to the control of the control unit, and periodically blocks images divided by the beam splitter. Accordingly, the left / right image arriving at the left / right screen is periodically blocked, and the right / right image reaches the screen.
- a dichroic dye is added to a liquid crystal of a polymer (polymer) dispersion type liquid crystal to absorb scattered light. If a dichroic dye having a bar-shaped structure is added to the polymer dispersed liquid crystal, the dichroic dye molecules have a characteristic in which they are aligned in parallel to the polymer dispersed liquid crystal molecules. Therefore, by applying an electric field to both electrodes, The orientation of the dichroic dye molecule also changes, allowing switching between the off state and the on state.
- liquid crystal panel having a rod-shaped dichroic dye added to a polymer dispersed liquid crystal is used as an optical shutter and the control unit controls on / off according to an image frame rate for an image branched by a beam splitter ,
- the left / right image can be projected onto the left / right screen, respectively.
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Abstract
Description
Claims (18)
- 좌측영상과 우측영상으로 구성되어 부호화된 영상 데이터를 가지는 디지털시네마 영상을 제작하는 영상 제작 단계;상기 제작된 디지털 시네마의 영상파일을 컨텐츠 서버에 저장하는 단계;상기 저장된 영상파일을 프로젝터로 전송하는 영상파일 전송 단계;상기 전송받은 영상파일을 주사하는 영상 주사 단계;상기 영상 주사 단계에서 주사된 주사광의 광경로를 좌측영상의 광경로와 우측영상의 광경가 상이하게 변경하는 광경로 변경 단계;를 포함하는 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 제1항에 있어서,상기 영상 제작 단계에서 제작하는 디지털 시네마 영상은,우측영상과 좌측영상을 포함하여 구성되며,상기 좌측영상과 우측영상으로 부호화된 영상 데이터는,상기 좌측영상과 상기 우측영상이 프레임 단위로 시간방향으로 교대로 배열되어 구성되는 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 제2항에 있어서,상기 광경로 변경 단계는,상기 좌측영상이 스크린에 투사되는 좌측영상 투사영역과 상기 우측영상이 스크린에 투사되는 우측영상 투사영역이 서로 중첩되지 않도록 좌측영상의 광경로와 우측영상의 광경로를 변경하는 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 제1항에 있어서,상기 영상 제작 단계는,카메라 장치가 오브젝트를 촬영하여 원본 영상 파일을 획득하는 원본 영상 파일 획득 단계;상기 원본 영상 파일의 영상 화면을 미리 정해진 유효범위에 따라 상하 부분을 절단하여 편집 영상을 생성하는 편집 영상 생성 단계;상기 생성된 편집 영상을 구성하는 각 프레임들을 좌우로 반으로 분리하여 좌측영상과 우측영상으로 분할하는 영상 분할 단계;상기 영상 분할 단계를 수행한 분할된 좌측영상과 우측영상에 프레임 단위로 블랭크 영역을 할당하는 블랭크 영역 할당 단계;상기 블랭크 영역 할당 단계를 수행한 프레임 단위의 좌측영상과 우측영상을 시간방향으로 교대로 배열하는 피부호화 프레임 구성 단계;상기 구성된 피부호화 프레임을 규격에 맞게 부호화한 영상 데이터를 저장하는 영상 데이터 저장 단계;를 포함하여 구성되는 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 제4항에 있어서,상기 원본 영상 파일 획득 단계의 원본 영상 파일의 해상도 규격이 2n+1K(n은 자연수) 해상도인 경우에, 상기 영상 분할 단계의 좌측영상 및 우측영상의 해상도는 각각 2nK 해상도인 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 좌측영상과 우측영상으로 구성되어 부호화된 영상 데이터를 가지는 영상을 상영하는 방법에 있어서,상기 좌측영상과 우측영상으로 부호화된 영상 데이터를 주사하는 영상 주사 단계;상기 영상 주사 단계에서 주사되는 주사광의 광경로를 좌측영상의 광경로와 우측영상의 광경로가 상이하게 변경하는 광경로 변경 단계;를 포함하여 구성되며,상기 광경로 변경 단계는, 상기 좌측영상과 우측영상으로 구성되어 부호화된 영상 데이터의 영상이 스크린에 투사되는 각각의 투사영역이 서로 중첩되지 않도록 광경로를 변경하는 것을 특징으로 하는 디지털 시네마의 상영 방법.
- 카메라 장치가 오브젝트를 촬영하여 원본 영상 파일을 획득하는 원본 영상 파일 획득 모듈;상기 원본 영상 파일의 영상 화면을 미리 정해진 유효범위에 따라 상하 부분을 절단하여 편집 영상을 생성하는 편집 영상 생성 모듈;상기 생성된 편집 영상을 구성하는 각 프레임들을 좌우로 분리하여 좌측 영상과 우측영상으로 분할하는 영상 분할 모듈;상기 영상 분할 모듈에서 분할된 좌측영상과 우측영상을 프레임 단위로 블랭크 영역을 할당하는 블랭크 영역 할당 모듈;상기 블랭크 영역 할당 모듈에서 할당된 프레임 단위의 좌측영상과 우측영상을 시간방향으로 교대로 배열하는 피부호화 프레임 구성 모듈;상기 구성된 피부호화 프레임을 규격에 맞게 부호화하여 영상 데이터를 저장하는 영상 데이터 저장 모듈;을 포함하여 구성되는 것을 특징으로 하는 컨텐츠 서버.
- 프로젝터가 주사하는 영상을 입력받는 영상 입력부;상기 입력 받은 영상을 좌측영상과 우측영상으로 분리해 광경로를 분리하는 광 분리기; 및상기 광 분리기에서 분리된 좌측영상을 스크린의 좌측 투사영역 방향으로 진행시키는 광 경로를 구성하는 제1 반사부재;를 포함하여 구성되어, 프로젝터로부터 주사되는 영상의 광 경로를 변경하는 광 경로변경 컨버터.
- 제8항에 있어서,상기 프로젝터가 주사하는 영상은 좌측영상과 우측영상으로 구성되어, 각각의 영상은 프레임 단위로 순차적으로 주사되어 상기 영상 입력부로 입력되며,상기 광 분리기는,입력 영상을 주기적으로 반사와 투과를 반복하도록 구성되어,좌측영상은 상기 제 1 반사부재로 향하게 하고, 우측영상은 투과하여 스크린의 우측 투사영역 방향으로 진행시키는 것을 특징으로 하는 광 경로변경 컨버터.
- 제 8항에 있어서,상기 프로젝터가 주사하는 영상은 좌측영상과 우측영상으로 구성되어, 각각의 영상은 프레임 단위로 순차적으로 주사되어 상기 영상 입력부로 입력되며,상기 광 분리기에서 분리되는 우측영상의 영상을 스크린의 우측투사영역으로 진행시키는 광 경로를 형성하는 제 2 반사부재 및 제 3 반사부재를 추가로 더 포함하여 구성되고,상기 광 분리기는,입력 영상을 주기적으로 반사와 투과를 반복하도록 구성되어,좌측영상은 상기 제 1 반사부재로 향하게 하고,우측영상은 투과하여 상기 제 2 반사부재로 향하게 하는 것을 특징으로 하는 광 경로변경 컨버터.
- 제8항에 있어서,상기 광 분리기는,상기 입력받은 영상 중 우측영상은 P-편광 영상으로 변환 시키고, 입력받은 영상 중 좌측영상은 S-편광 영상으로 변환 시키는 Polarizer(편광기); 및상기 변환된 P-편광 영상은 투과 시키고, 상기 변환된 S-편광 영상은 반사 시키는 PBS(편광 광 분할기);를 포함하여 구성되는 것을 특징으로 하는 광 경로변경 컨버터.
- 제11항에 있어서,상기 편광기(Polarizer)의 P-편광 및 S-편광 변환주기를 상기 컨텐츠 서버로부터 입력되는 영상의 프레임 주기와 동기화함으로써, 상기 입력받은 영상 중 우측영상은 P-편광 영상으로 변환 시키고, 입력받은 영상 중 좌측영상은 S-편광 영상으로 변환 시키도록 제어하는 제어부를 포함하는 것을 특징으로 하는 광 경로변경 컨버터.
- 제8항에 있어서,상기 광 분리기는,상기 입력받은 영상 중 우측영상은 투과시키고, 입력받은 영상 중 좌측영상은 반사시키는 REM(가역적 전기화학 미러)인 것을 특징으로 하는 광 경로변경 컨버터.
- 제13항에 있어서,상기 REM(가역적 전기화학 미러)의 스위치와 상기 컨텐츠 서버로부터 입력되는 영상의 프레임주기를 동기화하여, 상기 입력되는 영상 이 우측영상 일 경우에는 REM(가역적 전기화학 미러)의 스위치를 off 시키고, 입력된 영상 이 좌측영상 일 경우에는 REM(가역적 전기화학 미러)의 스위치를 on시키는 제어부를 포함하는 것을 특징으로 하는 광 경로변경 컨버터.
- 제8항에 있어서,상기 광 분리기는,상기 입력받은 영상 중 우측영상은 투과시키고, 입력받은 영상 중 좌측영상은 반사시키는 휠 빔 스플리터(Wheel Beam Splitter)인 것을 특징으로 하는 광 경로변경 컨버터.
- 제15항에 있어서,상기 휠 빔 스플리터(Wheel Beam Splitter)와 상기 컨텐츠 서버로부터 입력되는 영상의 프레임주기를 동기화하여, 상기 입력되는 영상이 우측영상일 경우에는 휠 빔 스플리터(Wheel Beam Splitter)의 투과면을 투과 하도록 하고, 상기 입력되는 영상이 좌측영상일 경우에는 스플리터(Wheel Beam Splitter)의 반사면에 반사되도록 휠 빔 스플리터(Wheel Beam Splitter)의 회전모터의 회전수를 제어하는 제어부를 포함하는 것을 특징으로 하는 광 경로변경 컨버터.
- 좌측영상과 우측영상으로 구성되어 부호화된 영상 데이터를 가지는 디지털 시네마 영상을 저장하고 이를 프로젝터로 출력하는 컨텐츠 서버;상기 컨텐츠 서버에 저장 되어 있는 부호화된 영상을 주사하는 프로젝터;상기 프로젝터와 스크린 사이에 위치하는 청구항 8 내지 청구항 16중 어느 한 항의 광 경로변경 컨버터; 및상기 컨텐츠 서버에서 출력되는 영상과 상기 광 분리기의 동작을 동기화하는 제어장치;를 포함하여 구성되는 것을 특징으로 하는 영화상영 시스템.
- 청구항 8에 있어서,상기 광분리기는 이색성 염료를 포함하는 고분자 액정 패널을 포함하여 구성되는 것을 특징으로 하는 광 경로변경 컨버터.
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