WO2015188525A1 - 一种超高清三维转换装置及超高清三维显示系统 - Google Patents

一种超高清三维转换装置及超高清三维显示系统 Download PDF

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WO2015188525A1
WO2015188525A1 PCT/CN2014/087799 CN2014087799W WO2015188525A1 WO 2015188525 A1 WO2015188525 A1 WO 2015188525A1 CN 2014087799 W CN2014087799 W CN 2014087799W WO 2015188525 A1 WO2015188525 A1 WO 2015188525A1
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dimensional
signal
high definition
video signal
ultra high
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PCT/CN2014/087799
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English (en)
French (fr)
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中井忠
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京东方科技集团股份有限公司
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Priority to EP14882178.8A priority Critical patent/EP2993900A4/en
Priority to US14/771,702 priority patent/US9967540B2/en
Publication of WO2015188525A1 publication Critical patent/WO2015188525A1/zh

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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
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/139—Format conversion, e.g. of frame-rate or size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/122—Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/15—Processing image signals for colour aspects of image signals
    • 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
    • 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
    • H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
    • H04N13/31—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using parallax barriers
    • 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
    • H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
    • H04N13/339—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using spatial multiplexing
    • 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
    • H04N13/356—Image reproducers having separate monoscopic and stereoscopic modes
    • H04N13/359—Switching between monoscopic and stereoscopic modes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2213/00—Details of stereoscopic systems
    • H04N2213/007—Aspects relating to detection of stereoscopic image format, e.g. for adaptation to the display format

Definitions

  • the invention relates to the technical field of three-dimensional display, in particular to an ultra-high definition three-dimensional conversion device and an ultra-high definition three-dimensional display system.
  • the commonly used displays are all two-dimensional displays, and the two-dimensional display cannot visually represent the depth information of the scene.
  • three-dimensional display technology has become a research focus in the field of display. Because it can fully reproduce the three-dimensional information of the scene, the viewer can see the screen out and extend deeper. Three-dimensional images suspended in the air.
  • three-dimensional display technology has two categories: naked eye and glasses.
  • the glasses type is further divided into a polarized glasses type (FPR, Film-type Patterned Retarder) and an active shutter type (Active Shutter).
  • the naked-eye three-dimensional display generally has a shielding such as a grating barrier disposed in front of the display panel, and a plurality of fields of view are formed on the front surface of the display panel by using the grating barrier, so that the light emitted by different sub-pixel units on the display panel falls within different fields of view. The viewer's eyes fall in different fields of view to create a three-dimensional sensation.
  • Ultra-high-definition 3D display has become an inevitable trend in the development of video in the world today, and there are currently no devices for three-dimensional display of ultra-high definition video on the market.
  • the embodiment of the invention provides an ultra-high definition three-dimensional conversion device and an ultra-high definition three-dimensional display system for realizing three-dimensional display of ultra high definition video in different three-dimensional display modes.
  • an embodiment of the present invention provides an ultra high definition three-dimensional conversion device, including
  • a receiving module configured to receive an ultra high definition video signal, or receive a full HD video signal and convert the received full HD video signal into an ultra high definition video signal;
  • the image quality processing module is configured to perform image quality processing on the ultra high definition video signal received or converted by the receiving module;
  • a three-dimensional signal processing module configured to convert the ultra-high definition video signal processed by the image quality processing module into a three-dimensional signal corresponding to the three-dimensional display type, the three-dimensional display type comprising an active shutter type, a polarized type, and a naked eye type;
  • an output module configured to send the three-dimensional signal to a control chip corresponding to the three-dimensional display type in the display screen.
  • the ultra-high-definition three-dimensional conversion device may convert the received full HD video signal or the ultra high definition video signal into image quality corresponding to the three-dimensional display type according to the three-dimensional display type selected by the user.
  • the three-dimensional signal enables three-dimensional display of three different modes of active shutter, polarized or naked eye in ultra high definition video signals in one system.
  • the three-dimensional signal processing module includes:
  • a three-dimensional signal conversion circuit configured to convert the two-dimensional signal into a three-dimensional signal and output the image when the ultra-high-definition video signal processed by the image quality processing module is a two-dimensional signal, after being processed by the image quality processing module When the ultra high definition video signal is a three-dimensional signal, the three-dimensional signal is directly output;
  • a polarized three-dimensional signal generating circuit configured to generate a polarized three-dimensional signal according to the three-dimensional signal output by the three-dimensional signal conversion circuit, to be viewed through the polarized glasses;
  • An active shutter type three-dimensional signal generating circuit configured to generate an active shutter type three-dimensional signal according to the three-dimensional signal output by the three-dimensional signal conversion circuit, to be viewed through active shutter glasses;
  • the naked-eye three-dimensional signal generating circuit is configured to generate a naked-eye three-dimensional signal according to the three-dimensional signal output by the three-dimensional signal conversion circuit, and modulate and view through a grating barrier in front of the display screen.
  • the output module includes:
  • a three-dimensional signal output circuit configured to divide the polarized three-dimensional signal, the active shutter three-dimensional signal or the naked-eye three-dimensional signal into multiple channels and then send the signals to corresponding clock controllers in the display screen;
  • An active shutter glasses adjusting circuit configured to generate, according to the active shutter type three-dimensional signal, a control signal for controlling left and right lens switching of the active shutter glasses, and then send the active shutter glasses to the active shutter glasses;
  • the grating barrier adjusting circuit is configured to generate a control signal for adjusting the three-dimensional display of the grating barrier according to the naked-eye three-dimensional signal, and then send the control signal to the grating barrier.
  • the receiving module includes:
  • Full HD video signal receiving circuit for receiving a full HD video signal sent by the digital television system chip
  • a frequency conversion circuit configured to convert the full HD video signal received by the full HD video signal receiving circuit into an ultra high definition video signal
  • the ultra high definition video signal receiving circuit is configured to receive an ultra high definition video signal sent by an external input source.
  • the receiving module further includes:
  • a data register circuit for receiving a full HD video signal transmitted by an external flash circuit
  • the full HD video signal receiving circuit is further configured to receive a full HD video signal forwarded by the data register circuit.
  • the image quality processing module specifically includes:
  • a format conversion circuit configured to convert an ultra high definition video signal received or converted by the receiving module from an RGB signal to a YUV signal;
  • the signal optimization circuit is configured to perform edge enhancement and image quality adjustment processing on the YUV signal converted by the format conversion circuit, and then convert the image into an RGB signal.
  • the image quality processing module further includes:
  • the picture ratio adjusting circuit is configured to adjust a picture ratio of the ultra-high frequency video signal received or converted by the receiving module according to a picture ratio selected by the user.
  • the image quality processing module further includes:
  • the frequency multiplying circuit is configured to multiply the ultra high definition video signal received or converted by the receiving module from 60 Hz to 120 Hz.
  • the ultra-high-definition three-dimensional conversion device provided by the embodiment of the present invention further includes: a background light adjustment circuit, configured to generate, according to the ultra-high definition video signal processed by the image quality processing module Control signals of the backlight module in the display screen are then sent to the backlight module.
  • a background light adjustment circuit configured to generate, according to the ultra-high definition video signal processed by the image quality processing module Control signals of the backlight module in the display screen are then sent to the backlight module.
  • An ultra high definition three-dimensional display system provided by the embodiment of the invention includes: a video processing device and a display device.
  • the display device has a display screen, an ultra high definition three-dimensional conversion device, and a control chip for controlling the display screen to perform three-dimensional display according to the three-dimensional signal transmitted by the ultra high definition three-dimensional conversion device.
  • the video processing device has a digital television system chip that transmits a full HD video signal to the ultra high definition three-dimensional conversion device.
  • FIG. 1 is a schematic structural diagram of an ultra high definition three-dimensional conversion apparatus according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an ultra high definition three-dimensional display system according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of signal flow of a 4 k ⁇ 2 k signal in an ultra high definition three-dimensional conversion device according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of signal flow of a 2 k ⁇ 1 k signal in an ultra high definition three-dimensional conversion apparatus according to an embodiment of the present invention.
  • An ultra-high-definition three-dimensional conversion device provided by the embodiment of the present invention, as shown in FIG. 1 , specifically includes: a receiving module 100, an image quality processing module 200, a three-dimensional signal processing module 300, and an output module 400.
  • the receiving module 100 receives the ultra high definition video signal, or receives the full HD video signal and converts the received full HD video signal into an ultra high definition video signal.
  • the image quality processing module 200 performs image quality processing on the ultra high definition video signal received or converted by the receiving module 100.
  • the three-dimensional signal processing module 300 converts the ultra high definition video signal processed by the image quality processing module 200 into a three-dimensional signal corresponding to the three-dimensional display type.
  • the three-dimensional display type includes an active shutter type, a polarized type, and a naked eye type, wherein the active shutter type and the polarized type three-dimensional display belong to a glasses type three-dimensional display.
  • the output module 400 transmits a three-dimensional signal to a control chip corresponding to the three-dimensional display type in the display screen.
  • the ultra-high-definition three-dimensional conversion device provided by the embodiment of the present invention can perform image quality processing on the received full HD video signal or ultra high definition video signal according to the three-dimensional display type selected by the user, and then convert to the three-dimensional display type corresponding to the three-dimensional display type.
  • the receiving module 100 in the foregoing apparatus provided by the embodiment of the present invention may specifically receive a full HD (2k ⁇ 1k) video signal transmitted from a digital television system chip (DTV-SOC), and may also receive an input source from an external source. Ultra high definition (4k x 2k) video signal sent.
  • the receiving module 100 includes:
  • Full HD video signal receiving circuit for receiving full HD video signals from digital TV system chips (DTV-SOC).
  • the full HD video signal transmitting circuit (LVDS Tx) and the full HD video signal receiving circuit (LVDS Rx) in the DTV-SOC can communicate through the I2C bus;
  • Ultra HD video signal receiving circuit for receiving ultra high definition (4k ⁇ 2k) video signals from external input sources. Further, after receiving the ultra high definition video signal, the TMDS Rx generally performs pixel conversion.
  • the receiving module 100 in the above ultra-high definition three-dimensional conversion device can receive an ultra high definition (4k ⁇ 2k) video signal transmitted from an external input source and a full HD (from a DTV-SOC transmission) (2k ⁇ ).
  • a full HD (2k x 1k) video signal transmitted by an external flash circuit can also be received. Therefore, as shown in FIG. 2, the receiving module 100 may further include:
  • Data register circuit (Register) for receiving full HD (2k ⁇ 1k) sent by external flash circuit The video signal is then transmitted to the full HD video signal receiving circuit (LVDS Rx) via the I2C bus.
  • the full HD video signal receiving circuit (LVDS Rx) is also used to receive a full HD (2k ⁇ 1k) video signal forwarded by a data register circuit (Register).
  • the image quality processing module 200 in the foregoing apparatus includes:
  • the format conversion circuit (RGB ⁇ YUV) is configured to convert the ultra high definition video signal sent by the receiving module 100 from the RGB signal to the YUV signal, so that the subsequent circuit module performs image quality adjustment processing;
  • the signal optimization circuit (Enhancer/RGB Processor) is used for edge enhancement and image quality adjustment processing on the YUV signal converted by the format conversion circuit (RGB ⁇ YUV), and then converted into RGB signals.
  • the image quality adjustment may be brightness level adjustment, color level adjustment, black and white contrast level adjustment, hue adjustment, gamma adjustment, and the like.
  • the image quality processing module 200 in the above apparatus provided by the embodiment of the present invention may further include:
  • the screen aspect adjustment circuit (OSD Gen) is configured to adjust the aspect ratio of the ultra-high frequency video signal sent by the receiving module 100 according to the screen ratio selected by the user.
  • the image quality processing module 200 in the above apparatus provided by the embodiment of the present invention may further include:
  • connection order between the circuit modules included in the image quality processing module 200 is not specifically required in the specific implementation, that is, the ultra high definition video signal transmitted from the receiving module 100 may be converted by the YUV signal and then performed.
  • the image quality is adjusted, and then the screen scale and multiplier adjustment are performed; the screen scale and multiplier adjustment can be performed first, and then the YUV signal is converted, and then the image quality adjustment and the like are performed, which is not limited herein.
  • the three-dimensional signal processing module 300 in the foregoing apparatus provided by the embodiment of the present invention specifically includes: a three-dimensional signal conversion circuit (2D ⁇ 3D), a polarized three-dimensional signal generation circuit (3D FPR), and an active shutter type three-dimensional signal generation. Circuit (S/G) and naked-eye three-dimensional signal generation circuit (2-9View).
  • the three-dimensional signal conversion circuit (2D ⁇ 3D) converts the ultra-high definition video signal processed by the image quality processing module 200 from a two-dimensional signal into a three-dimensional signal, that is, when three-dimensional display is required, the externally input two-dimensional video signal is converted into 3D video signal and output if the external input video signal is 3D video The signal, the three-dimensional signal conversion circuit does not perform the conversion operation, and directly outputs the three-dimensional video signal.
  • the polarized three-dimensional signal generating circuit (3D FPR) generates a polarized three-dimensional signal (Line By Line signal) based on the three-dimensional signal output from the three-dimensional signal conversion circuit (2D ⁇ 3D) to be viewed through the polarized glasses.
  • Line by Line display technology can also be called line interleaving technology, which is to arrange the two images of the left and right eyes from top to bottom in the form of interlaced scan lines.
  • the polarized glasses can be used to distinguish the screen. The left eye image and the right eye image achieve the purpose of the three-dimensional effect.
  • a Line By Line three-dimensional video signal of 4k ⁇ 2k - 120 Hz is generated and output on the display panel, so that the user can view the three-dimensional image by wearing the polarized glasses.
  • An active shutter type three-dimensional signal generating circuit for generating an active shutter type three-dimensional signal (FSQ signal) according to a three-dimensional signal output from the three-dimensional signal conversion circuit (2D ⁇ 3D) for viewing through active shutter glasses.
  • the active shutter type three-dimensional signal generating circuit converts the three-dimensional signal output from the three-dimensional signal conversion circuit (2D ⁇ 3D) into an FSQ (frame continuous) signal.
  • the FSQ signal is an ultra high definition picture transmitted at a specific rate, each frame is alternated in order, and the display receives a left eye frame and then receives a right eye frame.
  • FSQ signal Since the FSQ signal has no timing of LR (left and right frames), timing can be acquired on the three-dimensional signal processing module by inserting LR-Flag in the signal itself.
  • an FSQ three-dimensional video signal of 4k ⁇ 2k - 120 Hz is generated and output on the display panel, so that the user can view the three-dimensional image by wearing the active shutter glasses.
  • the naked-eye three-dimensional signal generating circuit (2-9View) is configured to generate a naked-eye three-dimensional signal (9View signal) according to the three-dimensional signal output from the three-dimensional signal conversion circuit (2D ⁇ 3D), and is modulated by the grating barrier in front of the display screen. Specifically, first, the naked-eye three-dimensional signal generating circuit (2-9View) converts the three-dimensional signal output from the three-dimensional signal conversion circuit (2D ⁇ 3D) into a Line by Line signal, and then converts the Line by Line signal into a two-view (2View) signal. , ie LR (left and right eye) signals, will perform multi-parallax (2-9View) conversion on the LR signal, and finally synthesize multi-parallax images. In the present embodiment, a 9 View 3D video signal of 4k ⁇ 2k - 120 Hz is generated and output on the display panel, so that the user can view the three-dimensional image with the naked eye.
  • the three-dimensional signal processing module 300 can provide three-dimensional video signals in three different ways (ie, active shutter, polarized or naked eye) for the ultra high definition video signal. Thereby a universal system for a 4k x 2k-120Hz display panel is realized.
  • the output module 400 in the foregoing apparatus includes:
  • the three-dimensional signal output circuit (V by One Tx) is used to divide the polarized three-dimensional signal, the active shutter three-dimensional signal or the naked-eye three-dimensional signal into multiple channels, and then sent to the corresponding clock controllers (TCON) in the display screen. Generally divided into 16 channels (16Lane) output;
  • Active shutter glasses adjustment circuit which is used to generate a control signal for controlling left and right lens switching of active shutter glasses according to the active shutter type three-dimensional signal, and then sent to the control chip of the active shutter glasses (S/G Wireless Unit) );as well as
  • the barrier barrier adjustment circuit (Active Barrier) is configured to generate a control signal for adjusting the grating barrier to realize three-dimensional display according to the naked-eye three-dimensional signal, and then send the control signal to the barrier barrier of the barrier barrier.
  • the ultra-high-definition three-dimensional conversion device provided by the embodiment of the present invention is generally used to provide a three-dimensional signal to a liquid crystal display. Since the liquid crystal display is passively illuminated, the liquid crystal display generally has a function of controlling the illumination of the backlight module.
  • the above-mentioned ultra-high definition three-dimensional conversion device provided by the embodiment of the present invention further includes:
  • the local light adjustment circuit (Local Dimming) is configured to generate a control signal for controlling the backlight module in the display screen according to the ultra high definition video signal processed by the image quality processing module 200, and then send the control signal to the backlight module (LED). Driver).
  • the working states of the circuit modules in the ultra-high-definition three-dimensional conversion device provided by the embodiments of the present invention are different, as shown in FIG. 3 and FIG. 4 respectively, the external input source input is 4k ⁇ 2k.
  • the DTV SOC inputs a 2k ⁇ 1k signal
  • the flow of the signal stream in the above apparatus provided by the embodiment of the present invention Specifically, in FIG. 3, at the ultra high definition video signal receiving circuit, a 4k x 2k video signal is received.
  • the video signal is subjected to image quality processing by an image quality processing module, and then converted into a three-dimensional signal for three different modes (ie, active shutter, polarized or naked eye) by the three-dimensional signal processing module.
  • the three-dimensional signal On the three-dimensional signal output circuit, the three-dimensional signal is outputted to clock controllers of different display panels.
  • a 2k x 1k video signal is received, so that it is first necessary to convert a 2k x 1k video signal into a 4k x 2k video signal by a frequency conversion circuit.
  • the subsequent signal processing in FIG. 4 is the same as that in FIG. 3, and details are not described herein again.
  • an embodiment of the present invention further provides an ultra high definition three-dimensional display system, as shown in FIG. 2, specifically including a video processing device and a display device.
  • the display device has a display screen, the above-mentioned ultra-high-definition three-dimensional conversion device provided by the embodiment of the present invention, and a control chip for controlling three-dimensional display according to the three-dimensional signal sent by the ultra-high-definition three-dimensional conversion device, and the control chip can be, for example, a clock controller (TCON). ), the control chip of the backlight module (LED Diver) and the control chip of the barrier barrier (Barrier).
  • TCON clock controller
  • the control chip of the backlight module LED Diver
  • Barrier the control chip of the barrier barrier
  • the video processing device has a digital television system chip (DTV SOC) that transmits a full HD video signal to the ultra high definition three-dimensional conversion device.
  • DTV SOC digital television system chip
  • the embodiments of the present invention may be implemented by hardware, or may be implemented by means of software plus a necessary general hardware platform.
  • the technical solution of the embodiment of the present invention may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (which may be a CD-ROM, a USB flash drive, a mobile hard disk, etc.).
  • a number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or the corresponding changes may be located in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into multiple sub-modules.
  • the ultra-high-definition three-dimensional conversion device and the display system provided by the embodiment of the present invention can perform the image processing of the received full HD video signal or the ultra high definition video signal according to the three-dimensional display type selected by the user. Converting to a three-dimensional signal corresponding to the display type, implementing active shutter, polarized or naked-eye three-dimensional display for the ultra high definition video signal.

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Abstract

本发明公开了一种超高清三维转换装置及超高清三维显示系统，可以根据用户选择的三维显示类型，将接收到的全高清视频信号或超高清视频信号经画质处理后，转换为与所述显示类型对应的三维信号，实现了超高清视频信号的主动快门式、偏光式或裸眼式三维显示。

Description

一种超高清三维转换装置及超高清三维显示系统
相关申请的交叉参考
本申请要求2014年6月12日递交的中国专利申请201410262053.0的优先权，其全部内容通过引用合并于此。
技术领域
本发明涉及三维显示技术领域，尤其涉及超高清三维转换装置及超高清三维显示系统。
背景技术
目前普遍使用的显示屏都是采用二维显示，二维显示不能直观地表现场景的纵深信息。随着计算机信息技术及显示技术的发展，三维立体显示技术已成为显示领域的一个研究重点，由于其能够将场景的三维空间信息完全再现，使观看者能够看到浮出屏幕外、伸向纵深、悬在空中的三维立体影像。
目前，三维显示技术有裸眼式和眼镜式两大类。其中，眼镜式又分为偏光眼镜式(FPR，Film-type Patterned Retarder)和主动快门式(Active Shutter)。裸眼式三维显示一般是在显示面板前方设置光栅屏障等遮蔽物，利用光栅屏障在显示面板的前面形成若干视场，使显示面板上不同亚像素单元发出的光射落在不同的视场内，观看者的双眼落在不同视场内产生三维感觉。
随着显示技术的发展，人们对视频质量的要求越来越高，近年来，已经出现超高清分辨率(4K×2K)的视频。市场上一般将720P作为高清标准，目前技术上的高清电视分辨率是1280×720，而4K×2K超高清分辨率则达到了3840×2160的物理分辨率，是全高清(FHD，1920×1080)宽高的各两倍，面积的四倍，显示设备的总像素数量达到了800万以上。
而超高清三维显示已成为当今世界视频发展的必然趋势，而目前市面上还没有针对超高清视频进行三维显示的设备。
发明内容
因此，本发明实施例提供了一种超高清三维转换装置及超高清三维显示系统，以在不同三维显示模式下实现超高清视频的三维显示。
因此，本发明实施例提供了一种超高清三维转换装置，包括
接收模块，用于接收超高清视频信号，或接收全高清视频信号并将接收到的所述全高清视频信号转换为超高清视频信号；
画质处理模块，用于对所述接收模块接收或转换的超高清视频信号进行画质处理；
三维信号处理模块，用于将经过所述画质处理模块处理后的超高清视频信号转换为与三维显示类型对应的三维信号，所述三维显示类型包括主动快门式、偏光式以及裸眼式；
输出模块，用于向显示屏中与所述三维显示类型对应的控制芯片发送所述三维信号。
本发明实施例提供的上述超高清三维转换装置，可以根据用户选择的三维显示类型，将接收到的全高清视频信号或超高清视频信号经画质处理后，转换为与所述三维显示类型对应的三维信号，从而在一个系统中实现了超高清视频信号的主动快门式、偏光式或裸眼式三种不同方式的三维显示。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述三维信号处理模块包括：
三维信号转换电路，用于当经过所述画质处理模块处理后的超高清视频信号是二维信号时，将该二维信号转换为三维信号并输出，当经过所述画质处理模块处理后的超高清视频信号是三维信号时，直接输出该三维信号；
偏光式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成偏光式三维信号，以通过偏光式眼镜观看；
主动快门式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成主动快门式三维信号，以通过主动快门式眼镜观看；
裸眼式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成裸眼式三维信号，以通过显示屏前方的光栅屏障调制后观看。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述输出模块包括：
三维信号输出电路，用于将所述偏光式三维信号、所述主动快门式三维信号或所述裸眼式三维信号分割为多路后发送给显示屏中对应的各个时钟控制器；
主动快门眼镜调节电路，用于根据所述主动快门式三维信号，生成控制所述主动快门式眼镜左右镜片切换的控制信号，然后发送给所述主动快门式眼镜；
光栅屏障调节电路，用于根据所述裸眼式三维信号，生成调节所述光栅屏障实现三维显示的控制信号，然后发送给所述光栅屏障。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述接收模块包括：
全高清视频信号接收电路，用于接收数字电视系统芯片发送的全高清视频信号；
频率转换电路，用于将所述全高清视频信号接收电路接收的所述全高清视频信号转换为超高清视频信号；
超高清视频信号接收电路，用于接收外部输入源发送的超高清视频信号。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述接收模块还包括：
数据寄存器电路，用于接收外部闪存电路发送的全高清视频信号；并且
所述全高清视频信号接收电路还用于接收所述数据寄存器电路转发的全高清视频信号。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述画质处理模块，具体包括：
格式转换电路，用于将所述接收模块接收或转换的超高清视频信号从RGB信号转换为YUV信号；
信号优化电路，用于对所述格式转换电路转换的YUV信号进行边缘增强和画质调整处理，然后转换为RGB信号。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述画质处理模块还包括：
画面比例调节电路，用于根据用户选择的画面比例调节所述接收模块接收或转换的超高频视频信号的画面比例。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，所述画质处理模块还包括：
倍频电路，用于将所述接收模块接收或转换的超高清视频信号从60Hz倍频到120Hz。
在一种可能的实现方式中，本发明实施例提供的上述超高清三维转换装置中，还包括：背景光调节电路，用于根据经过所述画质处理模块处理后的超高清视频信号，生成控制显示屏中的背光模组的控制信号，然后发送给所述背光模组。
本发明实施例提供的一种超高清三维显示系统，包括：视频处理设备以及显示设备。
所述显示设备具有显示屏、超高清三维转换装置、根据所述超高清三维转换装置发送的三维信号控制所述显示屏进行三维显示的控制芯片。
所述视频处理设备具有向所述超高清三维转换装置发送全高清视频信号的数字电视系统芯片。
附图说明
图1为本发明实施例提供的超高清三维转换装置的结构示意图；
图2为本发明实施例提供的超高清三维显示系统的结构示意图；
图3为本发明实施例提供的4k×2k信号在超高清三维转换装置的信号流向的示意图；以及
图4为本发明实施例提供的2k×1k信号在超高清三维转换装置的信号流向的示意图。
具体实施方式
下面结合附图，对本发明实施例提供的超高清三维转换装置及超高清三维显示系统的具体实施方式进行详细地说明。
本发明实施例提供的一种超高清三维转换装置，如图1所示，具体包括：接收模块100，画质处理模块200，三维信号处理模块300，以及输出模块400。
接收模块100接收超高清视频信号，或接收全高清视频信号并将接收到的全高清视频信号转换为超高清视频信号。画质处理模块200对接收模块100接收或转换的超高清视频信号进行画质处理。三维信号处理模块300将经过画质处理模块200处理后的超高清视频信号转换为与三维显示类型对应的三维信号。该三维显示类型包括主动快门式、偏光式以及裸眼式，其中主动快门式和偏光式三维显示属于眼镜式三维显示。输出模块400向显示屏中与三维显示类型对应的控制芯片发送三维信号。
本发明实施例提供的上述超高清三维转换装置，可以根据用户选择的三维显示类型，将接收到的全高清视频信号或超高清视频信号进行画质处理，然后转换为与三维显示类型对应的三维信号，从而实现超高清视频信号的主动快门式、偏光式或裸眼式三维显示。
下面对上述超高清三维转换装置中的各模块进行详细的说明。
在具体实施时，本发明实施例提供的上述装置中的接收模块100具体可以接收从数字电视系统芯片(DTV-SOC)发送的全高清(2k×1k)视频信号，也可以接收从外部输入源发送的超高清(4k×2k)视频信号。具体地，如图2所示，接收模块100包括：
全高清视频信号接收电路(LVDS Rx)，用于接收数字电视系统芯片(DTV-SOC)发送的全高清视频信号。在具体实施时，DTV-SOC中的全高清视频信号发送电路(LVDS Tx)和全高清视频信号接收电路(LVDS Rx)之间可以通过I2C总线进行通信；
频率转换电路(4k×2k Up Scaler)，用于将全高清视频信号接收电路(LVDS Rx)接收的全高清(2k×1k)视频信号转换为超高清(4k×2k)视频信号；
超高清视频信号接收电路(TMDS Rx)，用于接收外部输入源发送的超高清(4k×2k)视频信号。进一步地，TMDS Rx在接收到超高清视频信号之后，一般还会进行像素转换。
进一步地，本发明实施例提供的上述超高清三维转换装置中的接收模块100除了可以接收来自外部输入源发送的超高清(4k×2k)视频信号和来自DTV-SOC发送的全高清(2k×1k)视频信号之外，还可以接收来外部闪存电路发送的全高清(2k×1k)视频信号。因此，如图2所示，接收模块100还可以包括：
数据寄存器电路(Register)，用于接收外部闪存电路发送的全高清(2k×1k) 视频信号，之后一般通过I2C总线向全高清视频信号接收电路(LVDS Rx)发送该全高清视频信号。对应地，全高清视频信号接收电路(LVDS Rx)，还用于接收数据寄存器电路(Register)转发的全高清(2k×1k)视频信号。
在具体实施时，如图2所示，本发明实施例提供的上述装置中的画质处理模块200包括：
格式转换电路(RGB→YUV)，用于将接收模块100发送的超高清视频信号从RGB信号转换为YUV信号，以便后续电路模块进行画质调整处理；
信号优化电路(Enhancer/RGB Processor)，用于对格式转换电路(RGB→YUV)转换的YUV信号进行边缘增强和画质调整处理，然后转换为RGB信号。具体地，画质调整可以为亮度水平调整、颜色水平调整、黑白对比度水平调整、色相调整、伽马调整等。
进一步地，如图2所示，本发明实施例提供的上述装置中的画质处理模块200还可以包括：
画面比例调节电路(OSD Gen)，用于根据用户选择的画面比例调节接收模块100发送的超高频视频信号的画面比例。
进一步地，如图2所示，本发明实施例提供的上述装置中的画质处理模块200还可以包括：
倍频电路(4k×2k FRC)，用于将接收模块100发送的超高清视频信号例如从60Hz倍频到120Hz。
需要说明的是，在画质处理模块200中包含的各个电路模块之间的连接顺序在具体实施时没有特定的要求，即从接收模块100发送的超高清视频信号可以先经过YUV信号转换然后进行画质调整，之后再进行画面比例和倍频调节；也可以先进行过画面比例和倍频调节，然后经过YUV信号转换，之后再进行画质调整等处理，在此不做限定。
在具体实施时，本发明实施例提供的上述装置中的三维信号处理模块300具体包括：三维信号转换电路(2D→3D)、偏光式三维信号生成电路(3D FPR)、主动快门式三维信号生成电路(S/G)和裸眼式三维信号生成电路(2-9View)。
三维信号转换电路(2D→3D)将经过画质处理模块200处理后的超高清视频信号从二维信号转换为三维信号，即当需要进行三维显示时，将外部输入的二维视频信号转换为三维视频信号并输出，如果外部输入的视频信号就是三维视频 信号，则三维信号转换电路不进行转换操作，而直接输出该三维视频信号。
偏光式三维信号生成电路(3D FPR)根据三维信号转换电路(2D→3D)输出的三维信号，生成偏光式三维信号(Line By Line信号)，以通过偏光式眼镜观看。Line by Line(逐行)显示技术也可以称作行交错技术，就是将左右眼的两个图像分别以扫描线交错的形式自上而下地排列，通过偏光式眼镜，能够让用户分辨出屏幕上的左眼图像和右眼图像，达到三维效果的目的。在本实施例中，生成4k×2k-120Hz的Line By Line三维视频信号，并且在显示面板上输出，从而用户可以通过佩戴偏光式眼镜来观看三维图像。
主动快门式三维信号生成电路(S/G)，用于根据三维信号转换电路(2D→3D)输出的三维信号，生成主动快门式三维信号(FSQ信号)，以通过主动快门式眼镜观看。具体地，主动快门式三维信号生成电路(S/G)将三维信号转换电路(2D→3D)输出的三维信号转换成FSQ(帧连续)信号。FSQ信号是以特定速率发送的超高清画面，各个帧按顺序交替，显示屏接收一个左眼帧然后接收一个右眼帧。由于FSQ信号没有LR(左右帧)的定时，因此可以通过在信号本身中插入LR-Flag，来在三维信号处理模块上获取定时。在本实施例中，生成4k×2k-120Hz的FSQ三维视频信号，并且在显示面板上输出，从而用户可以通过佩戴主动快门式眼镜来观看三维图像。
裸眼式三维信号生成电路(2-9View)用于根据三维信号转换电路(2D→3D)输出的三维信号，生成裸眼式三维信号(9View信号)，以通过显示屏前方的光栅屏障调制后观看。具体地，首先裸眼式三维信号生成电路(2-9View)将三维信号转换电路(2D→3D)输出的三维信号转换成Line by Line信号，然后将Line by Line信号转换成两视图(2View)信号，即LR(左右眼)信号，将并对LR信号执行多视差(2-9View)转换，最终合成多视差图像。在本实施例中，生成4k×2k-120Hz的9 View三维视频信号，并且在显示面板上输出，从而用户可以裸眼观看三维图像。
因此，三维信号处理模块300可以针对超高清视频信号，提供三种不同方式(即，主动快门式、偏光式或裸眼式)的三维视频信号。从而实现了针对4k×2k-120Hz显示面板的通用系统。
在具体实施时，如图2所示，本发明实施例提供的上述装置中的输出模块400包括：
三维信号输出电路(V by One Tx)，用于将偏光式三维信号、主动快门式三维信号或裸眼式三维信号分割为多路，然后发送给显示屏中对应的各个时钟控制器(TCON)，一般分割为16路(16Lane)输出；
主动快门眼镜调节电路(S/G Timing)，用于根据主动快门式三维信号，生成控制主动快门式眼镜左右镜片切换的控制信号，然后发送给主动快门式眼镜的控制芯片(S/G Wireless Unit)；以及
光栅屏障调节电路(Active Barrier)，用于根据裸眼式三维信号，生成调节光栅屏障实现三维显示的控制信号，然后发送给光栅屏障的控制芯片(Barrier)。
进一步地，在本发明实施例提供的上述超高清三维转换装置一般用于向液晶显示屏提供三维信号，由于液晶显示屏是被动发光，因此，液晶显示屏中一般还具有控制背光模组发光的控制芯片，因此，对应地，如图2所示，在本发明实施例提供的上述超高清三维转换装置还包括：
背景光调节电路(Local Dimming)，用于根据经过画质处理模块200处理后的超高清视频信号，生成控制显示屏中的背光模组的控制信号，然后发送给背光模组的控制芯片(LED Driver)。
在具体实施时，根据输入模式的不同，本发明实施例提供的上述超高清三维转换装置中各电路模块的工作状态不同，如图3和图4分别示出了在外部输入源输入4k×2k信号时和DTV SOC输入2k×1k信号时，在本发明实施例提供的上述装置中信号流的流向。具体地，在图3中，在超高清视频信号接收电路处，接收4k×2k视频信号。通过画质处理模块对该视频信号进行画质处理，然后通过三维信号处理模块转换成针对三种不同模式(即，主动快门式、偏光式或裸眼式)的三维信号。在三维信号输出电路上，针对不同显示面板的时钟控制器输出该三维信号。在图4中，在全高清视频信号接收电路处，接收2k×1k视频信号，因此首先需要通过频率转换电路将2k×1k视频信号转换为4k×2k视频信号。图4中的后续信号处理与图3相同，此处不再赘述。
下表列出了在本发明实施例提供的上述装置可实现的14种输入模式下，各电路模块的工作状态。其中，○表示有信号流过该电路模块，-表示无信号流过该电路模块。
Figure PCTCN2014087799-appb-000001
Figure PCTCN2014087799-appb-000002
基于同一发明构思，本发明实施例还提供了一种超高清三维显示系统，如图2所示，具体包括视频处理设备以及显示设备。
显示设备具有显示屏、本发明实施例提供的上述超高清三维转换装置、根据超高清三维转换装置发送的三维信号控制显示屏进行三维显示的控制芯片，该控制芯片例如可以是时钟控制器(TCON)、背光模组的控制芯片(LED Diver)以及光栅屏障的控制芯片(Barrier)等。
视频处理设备具有向超高清三维转换装置发送全高清视频信号的数字电视系统芯片(DTV SOC)。
本发明实施例提供的上述系统中的超高清三维转换装置可以参见上述实施例，重复之处不再赘述。并且，上述系统中的显示屏以及视频处理设备均属于现有技术，在此不作赘述。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到本发明实施例可以通过硬件实现，也可以借助软件加必要的通用硬件平台的方式来实现。基于这样的理解，本发明实施例的技术方案可以以软件产品的形式体现出来，该软件产品可以存储在一个非易失性存储介质(可以是CD-ROM，U盘，移动硬盘等)中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述的方法。
本领域技术人员可以理解附图只是一个优选实施例的示意图，附图中的模块或流程并不一定是实施本发明所必须的。
本领域技术人员可以理解实施例中的装置中的模块可以按照实施例描述进行分布于实施例的装置中，也可以进行相应变化位于不同于本实施例的一个或多个装置中。上述实施例的模块可以合并为一个模块，也可以进一步拆分成多个子模块。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
本发明实施例提供的上述超高清三维转换装置及显示系统，可以根据用户选择的三维显示类型，将接收到的全高清视频信号或超高清视频信号经画质处理后， 转换为与所述显示类型对应的三维信号，针对超高清视频信号实现了主动快门式、偏光式或裸眼式三维显示。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (10)

  1. 一种超高清三维转换装置，包括
    接收模块，用于接收超高清视频信号，或接收全高清视频信号并将接收到的所述全高清视频信号转换为超高清视频信号；
    画质处理模块，用于对所述接收模块接收或转换的超高清视频信号进行画质处理；
    三维信号处理模块，用于将经过所述画质处理模块处理后的超高清视频信号转换为与三维显示类型对应的三维信号，所述三维显示类型包括主动快门式、偏光式以及裸眼式；以及
    输出模块，用于向显示屏中与所述三维显示类型对应的控制芯片发送所述三维信号。
  2. 如权利要求1所述的超高清三维转换装置，其中，所述三维信号处理模块包括：
    三维信号转换电路，用于当经过所述画质处理模块处理后的超高清视频信号是二维信号时，将该二维信号转换为三维信号并输出，当经过所述画质处理模块处理后的超高清视频信号是三维信号时，直接输出该三维信号；
    偏光式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成偏光式三维信号，以通过偏光式眼镜观看；
    主动快门式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成主动快门式三维信号，以通过主动快门式眼镜观看；以及
    裸眼式三维信号生成电路，用于根据所述三维信号转换电路输出的三维信号，生成裸眼式三维信号，以通过显示屏前方的光栅屏障调制后观看。
  3. 如权利要求2所述的超高清三维转换装置，其中，所述输出模块包括：
    三维信号输出电路，用于将所述偏光式三维信号、所述主动快门式三维信号或所述裸眼式三维信号分割为多路后发送给显示屏中对应的个时钟控制器；
    主动快门眼镜调节电路，用于根据所述所述主动快门式三维信号，生成控制所述主动快门式眼镜左右镜片切换的控制信号，然后发送给所述主动快门式眼镜的控制芯片；以及
    光栅屏障调节电路，用于根据所述裸眼式三维信号，生成调节所述光栅屏障实 现三维显示的控制信号，然后发送给所述光栅屏障的控制芯片。
  4. 如权利要求1-3任一项所述的超高清三维转换装置，其中，所述接收模块包括：
    全高清视频信号接收电路，用于接收数字电视系统芯片发送的全高清视频信号；
    频率转换电路，用于将所述全高清视频信号接收电路接收的所述全高清视频信号转换为超高清视频信号；以及
    超高清视频信号接收电路，用于接收外部输入源发送的超高清视频信号。
  5. 如权利要求4所述的超高清三维转换装置，其中，所述接收模块还包括：
    数据寄存器电路，用于接收外部闪存电路发送的全高清视频信号，并且
    所述全高清视频信号接收电路还用于接收所述数据寄存器电路转发的全高清视频信号。
  6. 如权利要求1-3任一项所述的超高清三维转换装置，其中，所述画质处理模块包括：
    格式转换电路，用于将所述接收模块接收或转换的超高清视频信号从RGB信号转换为YUV信号；
    信号优化电路，用于对所述格式转换电路转换的YUV信号进行边缘增强和画质调整处理，然后转换为RGB信号。
  7. 如权利要求6所述的超高清三维转换装置，其中，所述画质处理模块还包括：
    画面比例调节电路，用于根据用户选择的画面比例调节所述接收模块接收或转换的超高频视频信号的画面比例。
  8. 如权利要求6所述的超高清三维转换装置，其中，所述画质处理模块还包括：
    倍频电路，用于将所述接收模块接收或转换的超高清视频信号从60Hz倍频到120Hz。
  9. 如权利要求1-3任一项所述的超高清三维转换装置，还包括：背景光调节电路，用于根据经过所述画质处理模块处理后的超高清视频信号，生成控制显示屏中的背光模组的控制信号，然后发送给所述背光模组的控制芯片。
  10. 一种超高清三维显示系统，包括：
    显示设备，具有显示屏、如权利要求1-9任一项所述的超高清三维转换装置、根据所述超高清三维转换装置发送的三维信号控制所述显示屏进行三维显示的控制芯片；以及
    视频处理设备，具有向所述超高清三维转换装置发送全高清视频信号的数字电视系统芯片。
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