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    • 3. 发明授权
    • IMAGE PICKUP APPARATUS EQUIPPED WITH COMPATIBLE-WITH-ZOOMING TYPE CONTOUR COMPENSATION CIRCUIT, COMPATIBLE-WITH-IMAGE-PICKUP-CONDITIONS TYPE IMAGE OUTPUT CIRCUIT, AND COMPATIBLE-WITH-ALL-PIXEL-READOUT-SYSTEM-SOLID-IMAGE-PICKUP-ELEMENT TYPE ELECTRONIC ZOOM CIRCUIT
    • 图像拾取装置配备有兼容的变焦型轮廓补偿电路,兼容图像拍摄条件类型的图像输出电路和兼容全像素读出系统固体图像拾取元件类型 电子变焦电路
    • US06538694B1
    • 2003-03-25
    • US09204659
    • 1998-12-02
    • Hiroyuki MiyaharaKenji Taguchi
    • Hiroyuki MiyaharaKenji Taguchi
    • H04N5217
    • G06T3/4007H04N5/208H04N5/232H04N5/2628
    • A frame/field converter circuit addition-processes image data constituting respective fields in a ratio corresponding to an image pickup mode or the like and outputs the resulting image data. As a result of this, it is possible to perform addition processing on image data constituting respective fields in an optimum ratio corresponding to an image pickup mode or the like and output the resulting image data. This makes it possible to improve the frequency characteristic and S/N ratio of the image and thereby enhance the quality of the displayed image. A contour compensation circuit performs contour compensation processing with respect to the frequency band of the image data in correspondence with the zoom magnification. As a result of this, it is possible to mitigate the level of the return noises generated in correspondence with the zoom magnification and thereby prevent the deterioration of the frequency characteristic and S/N ratio of the image to thereby enhance the quality of the image. An electronic zoom circuit performs zoom processing according to both of even-line data and odd-line data output from an all-pixel readout system solid image pickup element.
    • 帧/场转换器电路以对应于图像拾取模式等的比例对构成各个场的图像数据进行加法处理,并输出所得到的图像数据。 作为其结果,可以对与图像拾取模式等相对应的最佳比率对构成各个场的图像数据执行加法处理,并输出所得到的图像数据。 这使得可以提高图像的频率特性和S / N比,从而提高显示图像的质量。 轮廓补偿电路对应于变焦倍率对图像数据的频带进行轮廓补偿处理。 结果,可以减轻与变焦倍率相应产生的返回噪声的电平,从而防止图像的频率特性和S / N比的劣化,从而提高图像的质量。 电子变焦电路根据从全像素读出系统固体摄像元件输出的偶数行数据和奇数行数据进行变焦处理。