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    • 29. 发明申请
    • Television reception apparatus
    • 电视接收装置
    • US20050099544A1
    • 2005-05-12
    • US10432709
    • 2002-09-26
    • Hiroyuki KojimaTakashi Hoshi
    • Hiroyuki KojimaTakashi Hoshi
    • H04N5/262H04N5/44H04N5/46H04N5/907H04N19/00H04N19/132H04N19/134H04N19/172H04N19/423H04N19/44H04N9/74
    • H04N5/4401G09G2340/02G09G2340/0407H04N5/46H04N7/0122H04N21/4184H04N21/440272H04N21/4621
    • The present invention provides a television receiver which receives television signals to display images on a CRT display, and includes a JPEG decode unit (21) for decoding JPEG (Joint Photographic Experts Group) compressed image data. The JPEG decode unit (21) detects image size of image data after decode processing stored in JPEG compressed image data from a memory card (6). In case the image size is larger than image display area of a CRT display (3) and activity ratio of a memory unit (22) is larger than a limit value, the JPEG decode unit (21) sends the image size to a CPU (25), and concurrently decodes the JPEG compressed image data in the memory unit (22) to generate the image data, and clips away half of the image data along the vertical direction and the horizontal direction. The image data process unit (23) enlarges or reduces the image data so that the image data is displayed on substantially the whole image display area without changing the aspect ratio of the image data based on enlargement/reduction ratio which is determined by the CPU (25) by comparing the image size with the image display area of the CRT display (3).
    • 本发明提供一种电视接收机,其接收电视信号以在CRT显示器上显示图像,并且包括用于解码JPEG(联合图像专家组)压缩图像数据的JPEG解码单元(21)。 JPEG解码单元(21)从存储卡(6)检测存储在JPEG压缩图像数据中的解码处理之后的图像数据的图像尺寸。 在图像尺寸大于CRT显示器(3)的图像显示区域并且存储器单元(22)的活动比大于限制值的情况下,JPEG解码单元(21)将图像大小发送到CPU( 25),并且同时解码存储单元(22)中的JPEG压缩图像数据以生成图像数据,并且沿着垂直方向和水平方向剪切掉图像数据的一半。 图像数据处理单元(23)放大或缩小图像数据,使得图像数据基本上显示在整个图像显示区域上,而不改变由CPU确定的放大/缩小比例的图像数据的宽高比( 25),通过将图像尺寸与CRT显示器(3)的图像显示区域进行比较。