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    • 6. 发明申请
    • Unified spatial image processing
    • 统一空间图像处理
    • US20090034870A1
    • 2009-02-05
    • US11888572
    • 2007-07-31
    • Renato KeshetPavel KisilevMani FischerDoron ShakedBoris Oicherman
    • Renato KeshetPavel KisilevMani FischerDoron ShakedBoris Oicherman
    • G06K9/40
    • G06T5/001G06T2207/20016G06T2207/20028
    • Various embodiments of the present invention are directed to methods and systems for image processing that are unified in nature, carrying out many image-enhancement tasks together in a unified approach, rather than sequentially executing separately implemented, discrete image-enhancement tasks. In addition, the methods and systems of the present invention can apply image-enhancement to local, spatial regions of an image, rather than relying on global application of enhancement techniques that result in production of artifacts and distortions. In certain embodiments of the present invention, various different types of intermediate images are produced at each of a number of different scales from a received, input image. From these intermediate images, a photographic mask and temporary image are obtained, and the photographic mask and temporary image are then employed, along with a look-up table or function that receives values from the photographic mask and temporary image, to compute an enhanced, output image. In a described embodiment of the present invention, the intermediate images include low-pass, band-pass, photographic-mask, and temporary-image intermediate images computed at each of a number of different scales.
    • 本发明的各种实施例涉及用于图像处理的方法和系统,这些方法和系统本质上是统一的,以统一的方式一起执行许多图像增强任务,而不是顺序执行单独实现的离散图像增强任务。 此外,本发明的方法和系统可以将图像增强应用于图像的局部,空间区域,而不是依赖于导致产生伪像和失真的增强技术的全局应用。 在本发明的某些实施例中,在从接收的输入图像的多个不同尺度的每一个处产生各种不同类型的中间图像。 从这些中间图像,获得摄影掩模和临时图像,然后使用摄影掩模和临时图像,以及从摄影掩模和临时图像接收值的查找表或功能,以计算增强的, 输出图像。 在本发明的一个描述的实施例中,中间图像包括在多个不同尺度的每一个处计算的低通,带通,照相掩模和临时图像中间图像。