WO2013152531A1 - 高清立体视频驱动器及立体视频转换方法 - Google Patents

高清立体视频驱动器及立体视频转换方法 Download PDF

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WO2013152531A1
WO2013152531A1 PCT/CN2012/074711 CN2012074711W WO2013152531A1 WO 2013152531 A1 WO2013152531 A1 WO 2013152531A1 CN 2012074711 W CN2012074711 W CN 2012074711W WO 2013152531 A1 WO2013152531 A1 WO 2013152531A1
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video
image
format
definition
eye
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PCT/CN2012/074711
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French (fr)
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陆晓奋
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杭州立体世界科技有限公司
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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
    • H04N13/161—Encoding, multiplexing or demultiplexing different image signal components

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  • the invention relates to a high-definition stereoscopic video driver and a stereoscopic video conversion method capable of converting a high-definition stereoscopic video stream into two independent high-definition video streams of left and right eyes, and belongs to the technical field of stereoscopic image and video conversion and video electronic technology.
  • Color separation method The technology is now mature. There are three main modes of red, blue, green, and yellow. The principle is to combine images from two different perspectives into one image with different colors. Colored glasses to decode and view left and right images, this method has the advantages of simple operation and low production cost, and has the disadvantage of poor color reproduction and easy visual fatigue.
  • Time division method The principle of the three-dimensional method of time division method is to use the visual residual feature of the human eye to sequentially enter the left and right images into the left and right eyes to achieve the stereoscopic image effect, and the time division stereoscopic television and the time division stereo projector can be realized. 1920 ⁇ 1080 Full-pixel stereo view, this is its advantage.
  • the stereoscopic mode of the time-division switching glasses
  • Time-division glasses also have the disadvantages of high cost and easy damage.
  • the light division method the use of the light division method
  • Two left and right polarizing plates perpendicular to each other are installed in front of the projection lens; the left and right images are separated into mutually perpendicular polarized rays and then enter the left and right eyes of the viewer wearing polarizing glasses, and the three-dimensional three-dimensional
  • the visual effect is more comfortable because the left and right images are viewed simultaneously.
  • the left and right compression and the upper and lower compression images are not subjected to signal processing, they are only half of the high-definition video pixels in brightness and pixels. Only 1920 ⁇ 540 pixel stereo images can be realized, and 1920 ⁇ 1080 high-definition images cannot be realized.
  • Design purpose to avoid time division stereoscopic video visual residue The resulting unsynchronized phenomenon avoids the brightness and pixel loss caused by the light division method.
  • Design a 3D video source input that supports left and right, up and down, staggered lines, and front and back frames, and can simultaneously output two independent HD in real time for left and right eye synchronization.
  • video And the image has no interlacing, no stroboscopic, no dizziness, easy to use high-definition stereo video driver and stereo video conversion method.
  • Design plan In order to achieve the above design goals. 1 It is one of the features of the present invention to use a high-definition playback device such as a high-definition player or a high-definition set-top box as a signal source of a high-definition stereo video driver.
  • the purpose of this is to diversify the source of the video source, either from the TV station or from the network, hard disk, Storage media such as USB flash drives and optical discs.
  • support video signals in 1080p format also supports 1080i
  • the formatted video signal while being able to automatically detect the identified design, is a second feature of the present invention. The purpose of this is to make the invention more compatible and compatible with more input sources.
  • a high-definition stereo video driver including power supply, multi-channel HDMI
  • the interface or other video interface signal input terminal receives the high-definition video stream, and the multi-channel HDMI interface or other video interface signal output end is respectively connected to the HDMI decoder signal input end, and the HDMI decoder signal output end is respectively connected.
  • the signal input end of the FPGA, the signal output end of the FPGA is respectively connected to the signal input end of the HDMI encoder, and the signal output end of the HDMI encoder is respectively connected to the HDMI.
  • Interface or other video interface signal input, HDMI interface or other video interface signal output are output as independent left and right eye signals respectively.
  • Technical solution 2 A stereoscopic video conversion method for a high-definition stereo video driver, which separates the input high-definition stereo video source into two independent videos synchronized by the left and right eyes through the high-definition stereo video driver, and then causes the left eye to see the left eye through the high-definition stereo video driver. Video, right eye to see the right eye video.
  • Technical solution 3 A method for separating left and right eyes of a stereoscopic video.
  • the left half image is doubled in the horizontal direction as a left eye image
  • the right half image is doubled in the horizontal direction as a right eye image.
  • the upper half image is magnified twice in the vertical direction as the left eye image
  • the lower half image is magnified twice in the vertical direction as the right eye image
  • the odd-line partial image is magnified twice in the vertical direction.
  • the even-numbered partial image is magnified twice in the vertical direction as the right-eye image.
  • the present invention can support true 1920 ⁇ 1080 HD left and right eye output.
  • the video is decoded and processed by hardware to make the playback smooth, the stereo effect is strong, the output is no stroboscopic, no ghosting, the left and right eye images are completely synchronized, and it is a truly healthy stereo video driver;
  • the third is low viewing cost, only Requires polarized glasses to watch realistic stereoscopic effects and experience it;
  • infrared remote control can be used to select different modes and inputs, which is simple and easy to use.
  • the structure is the same as that of a normal player. Therefore, it satisfies people's demand for stereoscopic video viewing, solves the technical problems that people have long wanted to solve without solving, and can achieve good economic and social benefits.
  • Figure 1 shows the stereo video source in the top and bottom format, with the dark color being the left eye and the light color being the right eye.
  • Figure 2 shows the stereo video source in left and right format, with the dark color being the left eye and the light color being the right eye.
  • Figure 3 shows the stereo video source in front and rear frame format, with the dark color being the left eye and the light color being the right eye.
  • Figure 4 is a staggered line format stereo video source with a dark color for the left eye and a light color for the right eye.
  • Figure 5 is an example of a schematic of a high-definition stereo video driver.
  • Figure 6 is a high-definition stereo video driver that implements a topology diagram in a dual projection manner.
  • Embodiment 1 Refer to Figure 5 .
  • a high-definition stereo video driver including power supply, multi-channel HDMI
  • the interface or other video interface signal input terminal receives the high-definition video stream, and the multi-channel HDMI interface or other video interface signal output end is respectively connected to the HDMI decoder signal input end, and the HDMI decoder signal output end is respectively connected.
  • the signal input of the FPGA uses a very large field programmable gate array (FPGA) Parallel real-time decoding, storage, processing and output of each video signal completely ensures the synchronization of the left and right eye signals, avoiding the phenomenon of stroboscopic and dizzy.
  • the signal output terminals of the FPGA are connected to HDMI respectively.
  • Encoder signal input terminal, HDMI encoder signal output terminal is connected to HDMI interface or other video interface signal input terminal, HDMI The interface or other video interface signal output is output as separate left and right eye signals.
  • FPGA and DDR2 bidirectional data exchange, frame storage. Two-way data exchange between FPGA and FLASH.
  • the FPGA has an infrared remote control receiver. High-definition stereo video driver controls the switching of various video source formats through the remote control, that is, using infrared remote control to control various 3D The mode and the video source are switched, and information characters such as the selected mode are superimposed on the output video stream, and the human-computer interaction operation is simple and easy to use.
  • Two HDMI signal inputs can also be expanded to three, four or N This design is applicable to roads or other video interfaces other than the HDMI interface.
  • the receiver receives the video signal and sends it to the hardware decoding part for decoding. Because it is a high-definition video signal, the data stream is very large, so DDR2 is adopted.
  • the frame is stored, and the decoded signals are output as independent left and right eye signals, respectively.
  • Embodiment 2 Refer to Figure 6 .
  • the input high-definition stereo video source is separated into two independent videos synchronized by the left and right eyes through the high-definition stereo video driver, and then the left eye is seen through the high-definition stereo video driver.
  • the high-definition stereo video source format may be an upper and lower format, a left and right format, a front and rear frame format, and an interlaced line format.
  • the upper half image is the left eye image
  • the lower half image is the right eye image
  • the left half image is the left eye image
  • the right half image is the right eye image
  • the image of the previous frame is the image of the left eye
  • the image of the next frame is the image of the right eye
  • the image of the left and the right eye is input in turn
  • the format of the interlaced line the odd-numbered left eye image in one frame image and the right-eye image in the even-numbered image
  • the left and right eye image recognition methods are: adding a flag code in the first line of each image, and distinguishing the left and right eye images by the flag code.
  • a stereo video source from a high-definition video playback device such as a high-definition player or a high-definition television set-top box, and separating the two independent videos synchronized by the left and right eyes through the high-definition stereo video driver, and the two video signals of the left and right eyes are sent to the two projectors, and the projection is performed.
  • the machine is equipped with a polarizing plate, and two video signals are projected onto the screen, and the human eye sees the left and right eye video signals through the polarized glasses respectively to achieve a stereoscopic effect.
  • Embodiment 3 Referring to the drawings 1-4 .
  • a stereoscopic video left and right eye separation method characterized in that: for a left and right format video source, the left half image is doubled in the horizontal direction as a left eye image, and the right half image is enlarged twice in the horizontal direction.
  • the upper half image is magnified twice in the vertical direction as the left eye image
  • the lower half image is magnified twice in the vertical direction as the right eye image
  • the video source doubles the frame rate of the left-eye video as the left-eye video
  • doubles the frame rate of the right-eye video as the right-eye video and enlarges the odd-line partial image in the vertical direction for the video source of the interlaced line format. Twice as the left eye image, the even partial image is magnified twice in the vertical direction as the right eye image.

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

Abstract

本发明涉及一种将输入的高清立体视频源分离成左右眼同步的两路独立视频的高清立体视频驱动器及立体视频转换方法，多路高清视频源输入信号可以通过不同输入口接入，红外遥控器可对不同的输入模式进行切换选择，外壳采用标准驱动器机箱，是一种高清像素、不闪烁而观看舒适的低成本立体驱动器。

Description

高清立体视频驱动器及立体视频转换方法 技术领域
本发明涉及一种能够将高清立体视频流转换为左右眼两路独立的高清视频流的高清立体视频驱动器及立体视频转换方法，属立体图像视频转换及视频电子技术领域。
背景技术
1 、色分法：该技术现在比较成熟， 有红蓝、绿红、黄蓝三种主要模式，原理都是将两个不同视角的图像用不同颜色合成到一幅图像，通过 有色眼镜去解码观看左右图像，这种方法的优点是操作简单、生产成本低，缺点是色彩还原性差，容易引发视觉疲劳。
2 、时分法：时分法的立体方式的原理是利用人眼的视觉残留特征，将左右图像顺序先后进入左右眼，以达到立体影像效果，时分式立体电视机与时分式立体投影机可实现 1920×1080 全象素的立体图观看，这是它的优点。但是时分式（开关眼镜）的立体方式会发生双眼观看的不同步的现象。所以观看动态的立体电视或立体电影就会产生头晕的现象。时分式眼镜还存在成本比较高、容易损坏的缺点。
3 、光分法：光分法采用 左、右两片互相垂直的偏振光片，加装在放映镜头前；使左右图像分离成互相垂直的偏振光线后分别进入观众戴偏振光片眼镜的左右眼，由大脑神经叠加产生三维立体的视觉效果，由于其左右图像是同步观看的，所以视觉比较舒适。但是左右压缩与上下压缩排列的图像若不经过信号处理，其在亮度和像素上只为高清视频象素的一半， 只能实现 1920×540 像素立体图， 不能真正实现 1920×1080 高清图像。
4 、在目前社会中，有利用电脑与应用软件来实现立体视频信号转换的方法，这种方法的优点是可以将电脑内部的视频源进行处理。其存在两方面的缺点：其一是电脑是无法进行外部输入信号与输出信号的同时运算，所以无法进行输入信号与输出信号的实时转换。其二是通过电脑鼠标操作太繁琐，所以不易广泛推广。
 技术问题
设计目的：避免时分法立体视频 视觉残留 产生导致的不同步现象，避免光分法导致的亮度和像素丢失，设计一种支持左右、上下、交错行、前后帧的3D视频源输入,能够同时实时输出 左右眼同步的两路独立全高清视频 ，且图像无交错、无频闪、不头晕，使用方便的 高清立体视频驱动器及立体视频转换方法。
技术解决方案
设计方案：为了实现上述设计目的。 1 、采用高清播放机或高清机顶盒等高清播放设备作为高清立体视频驱动器的信号源，是本发明的特征之一。这样做的目的在于：可以使视频源的来源多样化，既可以来源于电视台，也可以来源于网络、硬盘、 U 盘、光盘等存储介质。 2 、既支持 1080p 格式的视频信号，也支持 1080i 格式的视频信号，同时能够自动检测识别的设计，是本发明的特征之二。这样做的目的在于：使本发明的兼容性更强，可以兼容更多的输入源。 3 、支持多路视频源的同时接入的设计，是本发明的技术特征之三。这样做的目的在于：可以使用户随时方便切换想观看的视频源。 4 、采用红外遥控装置，控制 各种3D模式的切换、视频源的切换及其他控制功能的设计，是本发明的技术特征之四。这样做的目的在于：方便用户操作。
技术方案 1 ：一种高清立体视频驱动器，包括电源，多路 HDMI 接口或其他视频接口信号输入端接收高清视频流，多路 HDMI 接口或其他视频接口信号输出端分别接 HDMI 解码器信号输入端， HDMI 解码器信号输出端分别接 FPGA 的信号输入端， FPGA 的信号输出端分别接 HDMI 编码器信号输入端， HDMI 编码器信号输出端分别接 HDMI 接口或其他视频接口信号输入端， HDMI 接口或其他视频接口信号输出端分别作为独立的左右眼信号输出。
技术方案 2 ：一种高清立体视频驱动器的立体视频转换方法，将输入的高清立体视频源通过高清立体视频驱动器分离成左右眼同步的两路独立视频，再通过高清立体视频驱动器使人的左眼看到左眼视频，右眼看到右眼视频。
技术方案 3 ：一种立体视频左右眼分离方法，对于左右格式的视频源，将左半部分图像在水平方向上放大两倍作为左眼图像，将右半部分图像在水平方向上放大两倍作为右眼图像；对于上下格式的视频源，将上半部分图像在垂直方向上放大两倍作为左眼图像，将下半部分图像在垂直方向上放大两倍作为右眼图像；对于前后帧格式的视频源，将左眼视频的帧率提高一倍作为左眼视频，将右眼视频的帧率提高一倍作为右眼视频；对于交错行格式的视频源，将奇行部分图像在垂直方向上放大两倍作为左眼图像，将偶行部分图像在垂直方向上放大两倍作为右眼图像。
 有益效果
本发明与背景技术相比，一是能够支持真正的1920×1080的高清左右眼输出 ；二是通过硬件方式对视频进行解码及处理使得播放流畅，立体效果强烈，输出无频闪，无重影，左右眼图像完全同步，是真正健康的立体视频驱动器；三是观看成本低，只需要偏振片眼镜就能观看逼真的立体效果并且亲历其境；四是采用红外遥控可以对不同的模式和输入进行选择，简单明了易用；五是结构大小和普通播放器一样，方便放置。从而满足了人们对立体视频观赏的需求，解决了人们长期以来想要解决而没有解决的技术难题，可以取得良好的经济效益和社会效益。
附图说明
图 1 是上下格式立体视频源，深色为左眼，浅色为右眼 。
图 2 是左右格式立体视频源，深色为左眼，浅色为右眼 。
图 3 是前后帧格式立体视频源，深色为左眼，浅色为右眼 。
图 4 是交错行格式立体视频源，深色为左眼，浅色为右眼 。
图 5 是高清立体视频驱动器原理图示例。
图 6 是高清立体视频驱动器以双投影方式实施拓扑图。
 本发明的实施方式
实施例 1 ：参照附图 5 。一种高清立体视频驱动器，包括电源，多路 HDMI 接口或其他视频接口信号输入端接收高清视频流，多路 HDMI 接口或其他视频接口信号输出端分别接 HDMI 解码器信号输入端， HDMI 解码器信号输出端分别接 FPGA 的信号输入端，即采用超大规模现场可编程门阵列 (FPGA) ，对各路视频信号并行实时解码、存储、处理、输出，完全保证左右眼信号的同步性，避免了频闪、头晕的现象。 FPGA 的信号输出端分别接 HDMI 编码器信号输入端， HDMI 编码器信号输出端分别接 HDMI 接口或其他视频接口信号输入端， HDMI 接口或其他视频接口信号输出端分别作为独立的左右眼信号输出。 FPGA 与 DDR2 双向数据交换、进行帧存。 FPGA 与 FLASH 双向数据交换。 FPGA 设有红外遥控接收口。高清立体视频驱动器通过遥控器控制各种视频源格式的切换，即采用红外遥控，控制各种 3D 模式及视频源的切换，并且对选择的模式等信息字符叠加到输出视频流中，人机交互操作简单易用。两路 HDMI 信号输入，也可以扩展为三路，四路或者 N 路，或选择除了 HDMI 接口外的其他视频接口，本设计均适用。通过 HDMI 接收器接收到视频信号送给硬件解码部分进行解码，由于是高清视频信号，数据流非常大，所以采用 DDR2 进行帧存，解码后的信号分别作为独立的左右眼信号输出。
实施例 2 ：参照附图 6 。在实施例 1 的基础上，一种高清立体视频驱动器的立体视频转换方法，将输入的高清立体视频源通过高清立体视频驱动器分离成左右眼同步的两路独立视频，再通过高清立体视频驱动器使人的左眼看到左眼视频，右眼看到右眼视频。所述的高清立体视频源格式可以为上下格式、左右格式、前后帧格式、交错行格式。上下格式中，上半部分图像为左眼图像，下半部分图像为右眼图像；左右格式中，左半部分图像为左眼图像，右半部分图像为右眼图像。交错帧格式中，前一帧图像为左眼图像，后一帧图像为右眼图像，左右眼图像轮流输入；交错行格式中，一帧图像中的奇数行为左眼图像，偶数行为右眼图像。前后帧格式视频源，其左右眼图像辨识方法是：在每一幅图像的第一行加入标志码，通过标志码区分左右眼图像。即接收来自高清播放机、高清电视机顶盒等高清视频播放设备的立体视频源，通过高清立体视频驱动器分离成左右眼同步的两路独立视频，左右眼两路视频信号送给两个投影机，投影机装上偏振片，将两路视频信号投影到荧幕上，人通过偏振光眼镜分别看到左右眼视频信号，达到立体效果。
实施例 3 ：参照附图 1-4 。一种立体视频左右眼分离方法，其特征是：对于左右格式的视频源，将左半部分图像在水平方向上放大两倍作为左眼图像，将右半部分图像在水平方向上放大两倍作为右眼图像；对于上下格式的视频源，将上半部分图像在垂直方向上放大两倍作为左眼图像，将下半部分图像在垂直方向上放大两倍作为右眼图像；对于前后帧格式的视频源，将左眼视频的帧率提高一倍作为左眼视频，将右眼视频的帧率提高一倍作为右眼视频；对于交错行格式的视频源，将奇行部分图像在垂直方向上放大两倍作为左眼图像，将偶行部分图像在垂直方向上放大两倍作为右眼图像。
需要理解到的是：上述实施例虽然对本发明设计思路作了比较详细的文字描述，但是这些文字描述，只是对本发明设计思路的简单文字描述，而不是对本发明设计思路的限制，任何不超出本发明设计思路的组合、增加或修改，均落入本发明的保护范围内。

Claims (10)

1 、一种高清立体视频驱动器，包括电源，其特征是：多路 HDMI 接口或其他视频接口信号输入端接收高清视频流，多路 HDMI 接口或其他视频接口信号输出端分别接 HDMI 解码器信号输入端， HDMI 解码器信号输出端分别接 FPGA 的信号输入端， FPGA 的信号输出端分别接 HDMI 编码器信号输入端， HDMI 编码器信号输出端分别接 HDMI 接口或其他视频接口信号输入端， HDMI 接口或其他视频接口信号输出端分别作为独立的左右眼信号输出。
2 、根据权利要求 1 所述的高清立体视频驱动器，其特征是：FPGA 与 DDR2 双向数据交换、进行帧存。
3 、根据权利要求 1 所述的高清立体视频驱动器，其特征是：FPGA 与 FLASH 双向数据交换。
4 、根据权利要求 1 所述的高清立体视频驱动器，其特征是：FPGA 设有红外遥控接收口。
5 、根据权利要求 1 所述的高清立体视频驱动器，其特征是：高清立体视频驱动器通过遥控器控制各种视频源格式的切换。
6 、一种高清立体视频驱动器的立体视频转换方法，其特征是：将输入的高清立体视频源通过高清立体视频驱动器分离成左右眼同步的两路独立视频，再通过高清立体视频驱动器使人的左眼看到左眼视频，右眼看到右眼视频。
7 、根据权利要求 6 所述的高清立体视频驱动器的立体视频转换方法，其特征是：所述的高清立体视频源格式可以为上下格式、左右格式、前后帧格式、交错行格式。
8 、根据权利要求 7 所述的高清立体视频驱动器的立体视频转换方法，其特征是：上下格式中，上半部分图像为左眼图像，下半部分图像为右眼图像；左右格式中，左半部分图像为左眼图像，右半部分图像为右眼图像；交错帧格式中，前一帧图像为左眼图像，后一帧图像为右眼图像，左右眼图像轮流输入；交错行格式中，一帧图像中的奇数行为左眼图像，偶数行为右眼图像。
9 、根据权利要求 8 所述的高清立体视频驱动器的立体视频转换方法，前后帧格式视频源，其左右眼图像辨识方法是：在每一幅图像的第一行加入标志码，通过标志码区分左右眼图像。
10 、一种立体视频左右眼分离方法，其特征是：对于左右格式的视频源，将左半部分图像在水平方向上放大两倍作为左眼图像，将右半部分图像在水平方向上放大两倍作为右眼图像；对于上下格式的视频源，将上半部分图像在垂直方向上放大两倍作为左眼图像，将下半部分图像在垂直方向上放大两倍作为右眼图像；对于前后帧格式的视频源，将左眼视频的帧率提高一倍作为左眼视频，将右眼视频的帧率提高一倍作为右眼视频；对于交错行格式的视频源，将奇行部分图像在垂直方向上放大两倍作为左眼图像，将偶行部分图像在垂直方向上放大两倍作为右眼图像。
PCT/CN2012/074711 2012-04-09 2012-04-26 高清立体视频驱动器及立体视频转换方法 WO2013152531A1 (zh)

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