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    • 4. 发明授权
    • Method and device for compensating for shadows in digital images
    • 用于补偿数字图像中的阴影的方法和装置
    • US07362882B2
    • 2008-04-22
    • US11119476
    • 2005-05-02
    • Lutz EisenmannCarsten KochJason Jeong-Suk Yoon
    • Lutz EisenmannCarsten KochJason Jeong-Suk Yoon
    • G06K9/00
    • G01S17/026G06T5/50G06T7/0002
    • The invention relates to a method for generating a computed digital image of a scene, which can be illuminated with different luminous intensities at a first illumination angle by a first light source. An image sensor records a number of individual images of the scene under different lighting conditions, and these images are set against one another in a pixel-by-pixel manner in a data processing device in order to generate a resulting image. The invention is characterized in that at least one additional light source is provided by means of which the scene can be illuminated at an illumination angle that is different from the illumination angle of the first light source. The different lighting conditions when recording the individual images are obtained by various combinations of luminous intensities of the first and of the at least one other additional light source. The invention also relates to a device for carrying out the inventive method.
    • 本发明涉及一种用于产生场景的计算数字图像的方法,该方法可以由第一光源以第一照明角度的不同发光强度照亮。 图像传感器在不同的照明条件下记录场景的多个图像,并且在数据处理装置中以像素为单位将这些图像彼此相对设置,以便生成结果图像。 本发明的特征在于,提供至少一个附加光源,利用该附加光源可以以不同于第一光源的照明角度的照明角照射场景。 记录各个图像时的不同的照明条件是通过第一和另外另外一个附加光源的发光强度的各种组合来获得的。 本发明还涉及一种用于实施本发明的方法的装置。