Super-resolving imaging system
    2.
    发明授权
    Super-resolving imaging system 有权
    超分辨成像系统

    公开(公告)号:US06344893B1

    公开(公告)日:2002-02-05

    申请号:US09596445

    申请日:2000-06-19

    IPC分类号: G01C300

    摘要: A super-resolving imaging apparatus employs diffractive optical elements placed on the imaging lens. This element, and the use of a modified Scheimpflug arrangement allow the conversion of degrees of freedom in one axis of a field of view to a larger degree of freedom in another axis in order to obtain a high resolution image with a wide depth of focus and large field of view. Replicas created by the diffractive elements are mutually shifted by subpixel amounts, and are combined using a Gabor transform, which is facilitated by a spatial mask placed over the detector array. The apparatus is suitable for performing distance estimation on an object within the field of view.

    摘要翻译: 超分辨成像装置使用放置在成像透镜上的衍射光学元件。 该元件以及改进的Scheimpflug装置的使用允许将视场的一个轴上的自由度转换到另一个轴上的较大自由度,以便获得具有宽的焦深​​的高分辨率图像,并且 大视野。 由衍射元件产生的复制品相互偏移了子像素量,并且使用Gabor变换进行组合,Gabor变换由放置在检测器阵列上的空间掩模所促进。 该装置适于对视场内的对象执行距离估计。

    Optical processing
    4.
    发明授权
    Optical processing 失效
    光学加工

    公开(公告)号:US07012749B1

    公开(公告)日:2006-03-14

    申请号:US09979180

    申请日:2000-05-19

    IPC分类号: G02B27/46

    摘要: A method of performing a DFT (discrete Fourier transform) or a DFT derived transform on data, comprising: providing spatially modulated light having spatial coherence, said spatially modulated light representing the data to be transformed; Fourier transforming said spatially modulated light, using an at least one optical element; and compensating for at least one of a scaling effect and a dispersion effect of said at least one optical element, using an at least one dispersive optical element.

    摘要翻译: 对数据执行DFT(离散傅立叶变换)或DFT导出变换的方法,包括:提供具有空间相干性的空间调制光,所述空间调制光表示要变换的数据; 使用至少一个光学元件对所述空间调制光进行傅立叶变换; 以及使用至少一个色散光学元件来补偿所述至少一个光学元件的缩放效果和色散效应中的至少一个。

    Optical processing
    5.
    发明申请
    Optical processing 审中-公开
    光学加工

    公开(公告)号:US20050149598A1

    公开(公告)日:2005-07-07

    申请号:US11063387

    申请日:2005-02-22

    摘要: A method of performing a DFT (discrete Fourier transform) or a DFT derived transform on data, comprising: providing spatially modulated light having spatial coherence, said spatially modulated light representing the data to be transformed; Fourier transforming said spatially modulated light, using an at least one optical element; and compensating for at least one of a scaling effect and a dispersion effect of said at least one optical element, using an at least one dispersive optical element.

    摘要翻译: 对数据执行DFT(离散傅立叶变换)或DFT导出变换的方法,包括:提供具有空间相干性的空间调制光,所述空间调制光表示要变换的数据; 使用至少一个光学元件对所述空间调制光进行傅立叶变换; 以及使用至少一个色散光学元件来补偿所述至少一个光学元件的缩放效果和色散效应中的至少一个。

    Zero-order computer generated phase-only holograms
    7.
    发明授权
    Zero-order computer generated phase-only holograms 失效
    零阶计算机产生相位全息图

    公开(公告)号:US6166833A

    公开(公告)日:2000-12-26

    申请号:US536601

    申请日:2000-03-28

    摘要: A method for encoding zero-order phase-only holograms, and the holograms so encoded. The amplitude and phase of each point of a discrete mathematical transform, such as a Fourier transform, of an image to be encoded, are encoded as regions of a corresponding pixel of a transparent filter, with suitably selected fractional areas and optical path lengths. The various optical path lengths may be created by manipulating the filter's index of refraction, or by manipulating the thickness of the filter, preferably by etching. Various encoding schemes are presented, appropriate to etching systems with low lateral resolution, to etching systems with high lateral resolution but depth resolution limited to a discrete number of depths, and to etching systems with limited resolution both laterally and in depth.

    摘要翻译: 一种用于编码零阶相位全息图和如此编码的全息图的方法。 要编码的图像的离散数学变换(例如傅立叶变换)的每个点的幅度和相位被编码为具有适当选择的分数区域和光路长度的透明滤波器的相应像素的区域。 各种光程长度可以通过操纵滤光片的折射率,或者优选通过蚀刻来操纵滤光片的厚度来产生。 呈现适合于具有低横向分辨率的蚀刻系统的各种编码方案,具有高横向分辨率但深度分辨率限制在离散数量的深度的蚀刻系统,以及横向和深度方面的分辨率有限的蚀刻系统。

    Optical linear processor
    8.
    发明授权
    Optical linear processor 失效
    光学线性处理器

    公开(公告)号:US06894827B2

    公开(公告)日:2005-05-17

    申请号:US10030460

    申请日:2001-05-03

    CPC分类号: G06E3/001

    摘要: An optical signal processor for transforming a first vector into a second vector comprising: a plurality of linear light sources each of which provides light having an intensity responsive to a different component of the first vector, a spatial light modulator comprising a plurality of modulation zones each of which zones receives light from substantially only one of the light sources and transmits light in proportion to a transmittance that characterizes the modulation zone; and at least one light detector for each component of the second vector that receives light transmitted from a plurality of modulation zones, each of which is illuminated by light from a different light source, and generates a signal responsive to the received light that represents a component of the second vector.

    摘要翻译: 一种用于将第一矢量变换为第二矢量的光信号处理器,包括:多个线性光源,每个线性光源提供具有响应于第一矢量的不同分量的强度的光;空间光调制器,包括多个调制区, 其中的区域基本上仅接收一个光源,并且以表征调制区域的透射率成比例地透射光; 以及至少一个光检测器,用于接收从多个调制区域发射的光的第二矢量的每个分量,每个调制区域由来自不同光源的光照射,并产生响应于接收的光的信号,该信号表示组件 的第二个矢量。

    Input output matching in optical processing
    10.
    发明授权
    Input output matching in optical processing 失效
    光学处理中的输入输出匹配

    公开(公告)号:US07119941B1

    公开(公告)日:2006-10-10

    申请号:US09979178

    申请日:2000-05-19

    IPC分类号: G02B26/00

    摘要: The invention relates to determining a matching between discrete optical elements, such as an SLM and a CCD, and continuous optical systems, subsystems and/or elements, such as Fourier lens and individual lenslet of lenslet arrays. Exemplary processing performed by such matched systems includes discrete transforms, such as the discrete Fourier transform, the discrete cosine transform and the discrete wavelet transform.

    摘要翻译: 本发明涉及确定诸如SLM和CCD之类的分立光学元件与连续的光学系统,子系统和/或元件之间的匹配,例如傅立叶透镜和小透镜阵列的单独的小透镜。 由这种匹配系统执行的示例性处理包括离散变换,例如离散傅里叶变换,离散余弦变换和离散小波变换。