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    • 1. 发明专利
    • Electronic zoom image input method
    • 电子缩放图像输入法
    • JP2008228352A
    • 2008-09-25
    • JP2008150921
    • 2008-06-09
    • Tessera Technologies Hungary Kftテセラ・テクノロジーズ・ハンガリー・ケイエフティー
    • SHIMIZU EIRISHI
    • H04N5/228G03B5/00H04N5/232
    • PROBLEM TO BE SOLVED: To realize an all-electronic zoom image input method that does not use conventional optical zoom lenses and does not deteriorate the image resolution. SOLUTION: An electronic zoom image input method is accomplished which enables zooming without declining the resolution by receiving an input image transmitted through a fixed focal distance optical system having a function of compressing the circumferential part of the input image by means of a photodetector with a uniform pixel density and subjecting the received image to image correction conversion to obtain an output image. It is unnecessary to use a conventional optical zoom lens which is essential but has a complex and large construction. Instead, by using simple fixed focal distance lenses, zoom image input of small, simple and all-electronic systems is realized. Further, three-dimensional zooming, which conventionally requires precise interlock of two zoom lenses, can be realized with a very simple construction without using any zoom lens. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:实现不使用常规光学变焦透镜并且不会降低图像分辨率的全电子变焦图像输入方法。 解决方案:实现电子变焦图像输入方法,其能够通过接收通过固定焦距光学系统传输的输入图像而不降低分辨率,该系统具有通过光电检测器压缩输入图像的圆周部分的功能 具有均匀的像素密度,并对所接收的图像进行图像校正转换以获得输出图像。 不必使用传统的光学变焦镜头,这是必不可少的但具有复杂和大型结构的。 相反,通过使用简单的固定焦距镜头,实现了小型,简单和全电子系统的变焦图像输入。 此外,通常需要两个变焦透镜的精确互锁的三维变焦可以通过非常简单的结构实现,而不使用任何变焦透镜。 版权所有(C)2008,JPO&INPIT