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    • 4. 发明授权
    • Method and apparatus for generating steroscopic image using MPEG data
    • 使用MPEG数据生成立体图像的方法和装置
    • US06377625B1
    • 2002-04-23
    • US09455157
    • 1999-12-06
    • Man Bae Kim
    • Man Bae Kim
    • H04N712
    • H04N19/61H04N13/167H04N13/189H04N13/261H04N19/503H04N19/597H04N2013/0085H04N2013/0096
    • A stereoscopic image generation apparatus generates a stereoscopic image using MPEG encoded data containing I, B and P pictures. A picture extractor extracts each picture data from the MPEG encoded data. A motion vector generator generates motion vectors individually corresponding to macroblocks in the picture and supplies the generated motion vectors to a motion vector field former. A picture storing unit stores pictures reproducted from the encoded picture data by the picture number K. A motion type determiner determines a motion type corresponding to a current picture using the motion vectors supplied from the motion vector field former. A stereoscopic image generator generates a mixed picture corresponding to the current picture using the previous pictures stored in the picture storing unit and the motion type determined in the motion type determiner and outputs the current picture and the mixed picture. A left/right picture determiner receives the current picture and the mixed picture output from the stereoscopic image generator and determines the received current picture into one of the left picture and the right picture forming a stereoscopic image and the mixed picture into the other thereof. Here, the motion type of the picture is determined as one of a still picture, a non-horizontal motion picture, a horizontal motion picture, and a fast motion picture, generates an optimal stereoscopic image adaptively to each determined motion type, determines the left/right picture of the stereoscopic image, thereby obtaining a natural and stable stereoscopic sense even in a variety of motion types of a picture.
    • 立体图像生成装置使用包含I,B,P图像的MPEG编码数据生成立体图像。 图像提取器从MPEG编码数据中提取每个图像数据。 运动矢量发生器单独地生成对应于图像中的宏块的运动矢量,并且将生成的运动矢量提供给运动矢量场形成器。 图像存储单元将由编码图像数据重现的图像存储为图像编号K.运动类型确定器使用从运动矢量场形成器提供的运动矢量来确定与当前图像相对应的运动类型。 立体图像发生器使用存储在图像存储单元中的先前图像和在运动类型确定器中确定的运动类型来生成与当前图像相对应的混合图像,并输出当前图像和混合图像。 左/右图像确定器接收当前图像和从立体图像生成器输出的混合图像,并将接收到的当前图像确定为形成立体图像的左图像和右图像中的一个,并将混合图像另一个确定为另一图像。 这里,图像的运动类型被确定为静止图像,非水平运动图像,水平运动图像和快速运动图像之一,自适应地生成每个确定的运动类型的最佳立体图像,确定左 /右图像,从而即使在图像的各种运动类型中也能获得自然而稳定的立体感。