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    • 64. 发明授权
    • Designing lenses using stress birefringence performance criterion
    • 使用应力双折射性能标准设计镜片
    • US08504328B2
    • 2013-08-06
    • US12784521
    • 2010-05-21
    • Joseph R. BietryAndrew F. KurtzBarry D. SilversteinJames Mazzarella
    • Joseph R. BietryAndrew F. KurtzBarry D. SilversteinJames Mazzarella
    • G06F17/50
    • G02B7/028G02B13/16G02B13/22
    • A method for designing an imaging lens having reduced susceptibility to thermally-induced stress birefringence, the imaging lens having first and second groups of lens elements located either side of an aperture stop, the method comprising: defining a set of lens design attributes; defining a set of lens performance criteria including a thermally-induced stress birefringence performance criterion; defining a first set of candidate glasses having a negligible susceptibility to thermal stress birefringence and a second set of candidate glasses having at most a moderate susceptibility to thermal stress birefringence; selecting glasses for lens elements that are located adjacent to the aperture stop from the first set of candidate glasses; selecting glasses for the remaining lens elements from the first or second sets of candidate glasses; and using a computer processor to determine a lens design for the imaging lens.
    • 一种用于设计对热诱导应力双折射具有降低的敏感性的成像透镜的方法,所述成像透镜具有位于孔径光阑的任一侧的第一和第二组透镜元件,所述方法包括:限定一组透镜设计属性; 定义一组透镜性能标准,包括热诱导应力双折射性能标准; 限定对热应力双折射具有可忽略的敏感性的第一组候选眼镜和对热应力双折射具有至多中度敏感性的第二组候选眼镜; 从第一组候选眼镜选择邻近孔径光阑的透镜元件的眼镜; 从第一组或第二组候选眼镜中选择剩余透镜元件的眼镜; 并使用计算机处理器来确定用于成像透镜的透镜设计。
    • 65. 发明授权
    • Projection apparatus providing reduced speckle artifacts
    • 提供减少散斑伪像的投影设备
    • US08469519B2
    • 2013-06-25
    • US12816579
    • 2010-06-16
    • Michael A. MarcusBarry D. SilversteinAndrew F. Kurtz
    • Michael A. MarcusBarry D. SilversteinAndrew F. Kurtz
    • G03B21/00
    • H04N9/3132G03B21/2033G03B21/567G03B21/60
    • A projection apparatus for producing color images having reduced speckle artifacts comprising: at least three narrow band light sources having first, second and third visible wavelength bands; a digital image source providing color digital image data; at least one spatial light modulator for forming a color image using light responsive to the color digital image data; a projection display surface including a reflective layer that reflects incident illumination in the first, second, and third wavelength bands; and a fluorescent agent that absorbs a fraction of the incident light in the first visible wavelength bands and emits light in a corresponding first emissive visible wavelength band; and a projection lens that projects the color image onto the projection display surface; wherein return light from the projection display surface contains light in both the first incident visible wavelength band and the first emissive visible wavelength band, thereby reducing speckle artifacts.
    • 一种用于产生具有减少的散斑伪像的彩色图像的投影装置,包括:至少三个具有第一,第二和第三可见波长带的窄带光源; 提供彩色数字图像数据的数字图像源; 至少一个空间光调制器,用于响应于彩色数字图像数据的光形成彩色图像; 投影显示表面,包括反射层,其反射第一,第二和第三波长带中的入射照明; 以及荧光剂,其吸收所述第一可见波长带中的入射光的一部分并发射相应的第一发射可见波长带中的光; 以及将彩色图像投影到投影显示面上的投影透镜; 其中来自投影显示表面的返回光在第一入射可见波长带和第一发射可见波长带中包含光,从而减少散斑伪像。
    • 66. 发明申请
    • PRINTED DYNAMIC OPTICAL ILLUSION IMAGES
    • 印刷动态光学图像
    • US20130015245A1
    • 2013-01-17
    • US13181780
    • 2011-07-13
    • Andrew F. KurtzPaul James Kane
    • Andrew F. KurtzPaul James Kane
    • G02F1/01G06K19/06G02F1/15
    • G02F1/15
    • A printed dynamic optical illusion printed on a printing device using a plurality of colorants, wherein one or more of the colorants are appearance mutable colorants having spectral characteristics that can be controllably switched between a first colorant state and a second colorant state by application of an appropriate external stimulus, and wherein one or more mutable portions of the optical illusion image are printed using at least one appearance mutable colorant. The mutable portions are controllable such that when they are in a first appearance state the printed optical illusion image has a first illusion state, and when they are in a second appearance state the printed optical illusion image has a second illusion state, thereby changing the optical illusion image from the first illusion state to the second illusion state so as to affect the perception of an optical illusion by a human observer.
    • 使用多种着色剂印刷在印刷装置上的印刷动态光学错觉,其中一种或多种着色剂是具有光谱特性的外观可变色着色剂,其可通过施加适当的方式在第一着色剂状态和第二着色剂状态之间可控地切换 外部刺激,并且其中使用至少一种外观可变着色剂打印所述光学错觉图像的一个或多个可变部分。 可变部分是可控制的,使得当它们处于第一外观状态时,印刷的错觉图像具有第一错觉状态,并且当它们处于第二出现状态时,打印的错觉图像具有第二错觉状态,从而改变光学 从第一幻觉状态到第二幻觉状态的幻觉形象,从而影响人类观察者对视觉错觉的认知。
    • 67. 发明授权
    • Automated videography systems
    • 自动摄像系统
    • US08274544B2
    • 2012-09-25
    • US12408898
    • 2009-03-23
    • Andrew F. KurtzAndrew C. Blose
    • Andrew F. KurtzAndrew C. Blose
    • H04N7/14
    • H04N7/142H04N7/147
    • A method of automated videography, in which video images of at least one subject in a local environment are acquired using an automated videography system to capture video images using one or more cameras during a videography event of one or more video scenes; applying current video capture settings which define subject framing and camera parameters; analyzing the video images of a current video scene to assess image quality relative to changes in subject activity and current subject framing; determining a need to change subject framing to improve video image quality based on the assessment of image quality; determining whether the changes in subject activity, relative to the subject framing, correspond to an intra-scene transition or an inter-scene transition; determining new subject framing and new video capture settings for a scene-transition, whether intra-scene or inter-scene; and automatically modifying video image capture in accordance with the newly determined video capture settings.
    • 一种自动摄影技术的方法,其中使用自动摄影系统在一个或多个视频场景的摄像事件期间使用自动摄像系统获取至少一个在本地环境中的被摄体的视频图像,以使用一个或多个摄像机捕获视频图像; 应用当前视频捕获设置,定义主题框架和摄像机参数; 分析当前视频场景的视频图像,以评估相对于主体活动和当前主题框架变化的图像质量; 基于图像质量的评估,确定需要改变主题框架以提高视频图像质量; 确定对象活动相对于被摄体框架的变化是否对应于场景内转换或场景间转换; 确定场景转换的新主题框架和新的视频捕获设置,无论是场景内还是场景间; 并根据新确定的视频捕捉设置自动修改视频图像捕获。
    • 68. 发明授权
    • Multi-camera residential communication system
    • 多摄像机住宅通讯系统
    • US08154578B2
    • 2012-04-10
    • US11756562
    • 2007-05-31
    • Andrew F. KurtzJohn N. Border
    • Andrew F. KurtzJohn N. Border
    • H04N7/14
    • H04N7/142G06K9/00335H04N7/15
    • Video communication devices and methods are provided. The device has an image display device; a first image capture device that acquires video images depicting a wide field of view within the local environment; a second image capture device that acquires video images depicting a narrow field of view within the wide field of view; a communication system that is adapted to use a communication network to transmit outgoing video images; and a computer causing the capture of video images during a communication event, and further being adapted to identify a video context for the communication event; wherein said computer uses a scene analysis algorithm to examine concurrent video images from the image capture device based upon the identified video context to determine the extent to which video images from the first image capture device and the second image capture device are to be incorporated into the outgoing video images.
    • 提供视频通信设备和方法。 该装置具有图像显示装置; 第一图像捕获装置,其获取描绘局部环境中的宽视场的视频图像; 第二图像捕获装置,其获取在宽视野范围内描绘窄视场的视频图像; 通信系统,其适于使用通信网络来发送输出视频图像; 以及导致在通信事件期间捕获视频图像的计算机,并且还适于识别用于所述通信事件的视频上下文; 其中所述计算机使用场景分析算法来基于所识别的视频上下文来检查来自所述图像捕获设备的并发视频图像,以确定将来自所述第一图像捕获设备和所述第二图像捕获设备的视频图像将被并入到 传出视频图像。
    • 70. 发明申请
    • PROJECTION APPARATUS PROVIDING REDUCED SPECKLE ARTIFACTS
    • 投影设备提供减少的人物作品
    • US20110310303A1
    • 2011-12-22
    • US12816579
    • 2010-06-16
    • Michael A. MarcusBarry D. SilversteinAndrew F. Kurtz
    • Michael A. MarcusBarry D. SilversteinAndrew F. Kurtz
    • H04N9/31G02B27/48H04N9/64G03B21/60
    • H04N9/3132G03B21/2033G03B21/567G03B21/60
    • A projection apparatus for producing color images having reduced speckle artifacts comprising: at least three narrow band light sources having first, second and third visible wavelength bands; a digital image source providing color digital image data; at least one spatial light modulator for forming a color image using light responsive to the color digital image data; a projection display surface including a reflective layer that reflects incident illumination in the first, second, and third wavelength bands; and a fluorescent agent that absorbs a fraction of the incident light in the first visible wavelength bands and emits light in a corresponding first emissive visible wavelength band; and a projection lens that projects the color image onto the projection display surface; wherein return light from the projection display surface contains light in both the first incident visible wavelength band and the first emissive visible wavelength band, thereby reducing speckle artifacts.
    • 一种用于产生具有减少的散斑伪像的彩色图像的投影装置,包括:至少三个具有第一,第二和第三可见波长带的窄带光源; 提供彩色数字图像数据的数字图像源; 至少一个空间光调制器,用于响应于彩色数字图像数据的光形成彩色图像; 投影显示表面,包括反射层,其反射第一,第二和第三波长带中的入射照明; 以及荧光剂,其吸收所述第一可见波长带中的入射光的一部分并发射相应的第一发射可见波长带中的光; 以及将彩色图像投影到投影显示面上的投影透镜; 其中来自投影显示表面的返回光在第一入射可见波长带和第一发射可见波长带中包含光,从而减少斑点伪像。