Semi-pixel element image interpolation method

一种半像素图像插值方法

Abstract

本发明涉及一种半像素图像插值方法,该插值方法包括:读取整像素图像中相邻两行和两列的四个整像素;利用四个整像素点中的同行和/或同列整像素的中间求和值计算半像素。本发明利用对角线半像素与水平半像素和垂直半像素之间的关联性,通过一次遍历整像素图像同时输出水平半像素图像、垂直半像素图像以及对角线半像素图像,访存次数大为减少,进而减少编码器的运算量。此外,本发明还进一步提供了一种形成边缘块图像的简化方法。
This invention relates to an image interpolation method for semi-pixel including: reading four complete pixels of adjacent two lines and two rows in a complete pixel image to compute half pixels utilizing the middle sum values of the same line and same row in the four complete pixel points, which utilizes the relationship among a diagonal half-pixel, a level half pixel and a vertical half pixel to traverse complete pixel images once and output level, vertical and diagonal half-pixel images to reduce the times of access to further reduce the operation of coders. This invention provides a simplified method for forming edge block images.

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    CN-101900538-BFebruary 08, 2012哈尔滨理工大学结构光条纹采样数据深度图像的双四导六插值方法