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    • 2. 发明授权
    • Photo booth with an improved lighting system
    • 具有改进照明系统的照片展位
    • US09323133B1
    • 2016-04-26
    • US14947551
    • 2015-11-20
    • Jason Bananal Matriano
    • Jason Bananal Matriano
    • G03B17/53
    • G03B15/07G03B15/06G03B17/53
    • A photo booth with an improved lighting system may comprise a light reflecting element, a rear wall panel, and a side wall panel positioned to form a booth interior chamber which may function as an enclosure configured to receive one or more subjects. A camera may be positioned to the front of the booth and directed to take images of the booth interior chamber. A light source may be positioned at a location above the camera and oriented to direct an initial burst of light downward towards a portion of the light reflecting element positioned above the camera.
    • 具有改进的照明系统的照相馆可以包括光反射元件,后壁面板和侧壁面板,所述侧壁面板定位成形成可用作接收一个或多个被摄体的外壳的展厅内部室。 相机可以定位在展位的前部并被引导以拍摄展位内部室的图像。 光源可以被定位在照相机上方的位置并且被定向成将初始的光脉冲向下定向到位于照相机上方的光反射元件的一部分。
    • 10. 发明授权
    • Method for replacing the background of an image
    • 替换图像背景的方法
    • US5923380A
    • 1999-07-13
    • US591727
    • 1996-01-25
    • Yibing YangJohn C. BowmanIbrahim Hajjahmad
    • Yibing YangJohn C. BowmanIbrahim Hajjahmad
    • G06T1/00G03B17/53H04N5/222H04N5/272H04N9/74
    • G03B17/53H04N5/272
    • The present invention is useful in taking a visible light image for identification and other purposes without the requirement of a photobooth, regardless of the background of the visible light image. The original background of the visible light image is replaced with a preselected background. Two IR images with different intensities of IR illumination in the foreground and background regions of the scene, respectively, are compared to produce a difference image of light intensity differences between corresponding pixels of the two images. A binarized image is generated by binarizing the difference image with respect to a predetermined threshold value .theta.. A connectivity constraint is used to generate a binary mask from the binarized image, then a gray-scale mask is produced by multiplying the binary mask times a preselected modulation function of the difference image. Warping the gray-scale mask produces a transformed mask. Finally, the background replaced visible light image is generated by blending the transformed mask with the visible light image, and replacing the original background with the preselected background.
    • 本发明在不影响可见光图像的背景的情况下,用于拍摄用于识别和其它目的的可见光图像而不需要光电二极管。 可见光图像的原始背景被替换为预选的背景。 将在场景的前景和背景区域中分别具有不同强度的IR照明的两个红外图像进行比较,以产生两个图像的相应像素之间的光强差的差分图像。 通过将差分图像相对于预定阈值θ二值化来生成二值化图像。 使用连接约束从二值化图像生成二进制掩码,然后通过将二进制掩码乘以差分图像的预选调制函数来产生灰度掩码。 扭曲灰度蒙版产生一个转换的蒙版。 最后,通过将变换后的蒙版与可见光图像进行混合而产生背景替换可见光图像,并用预选的背景替换原始背景。