Imaging System Using Enhanced Spherical Aberration and Specifically Sized FIR Filters
    31.
    发明申请
    Imaging System Using Enhanced Spherical Aberration and Specifically Sized FIR Filters 有权
    使用增强球面畸变和特定尺寸FIR滤镜的成像系统

    公开(公告)号:US20100182476A1

    公开(公告)日:2010-07-22

    申请号:US12355625

    申请日:2009-01-16

    CPC classification number: G02B27/0025 H04N5/2254 H04N5/3572

    Abstract: A class of imaging systems in which the imaging optics, the sensor array and the image processing are related by three parameters: W040 the amount of third order spherical aberration, U the undersampling factor defined as the ratio of the Nyquist frequency of the sensor array divided by the diffraction-limited frequency of the imaging optics, and N the number of rows in the FIR implementation of the image processing. In one aspect, W040 is between approximately 2 and 8 waves, U is between approximately 0.05 and 0.30, and N satisifies an equation that defines the acceptable range of N as a function solely of W040 and U.

    Abstract translation: 一类成像系统,其中成像光学器件,传感器阵列和图像处理由三个参数相关:W040三阶球面像差的量,U是将传感器阵列的奈奎斯特频率的比率定义为欠采样因子 通过成像光学器件的衍射受限频率,以及N在FIR实现的图像处理中的行数。 在一个方面,W040在大约2和8波之间,U在大约0.05和0.30之间,并且N满足将N的可接受范围定义为仅仅是W040和U的函数的等式。

    End-to-End Design of Electro-Optic Imaging Systems
    32.
    发明申请
    End-to-End Design of Electro-Optic Imaging Systems 审中-公开
    电光成像系统的端到端设计

    公开(公告)号:US20090040330A1

    公开(公告)日:2009-02-12

    申请号:US12184169

    申请日:2008-07-31

    CPC classification number: H04N5/2251 G02B27/0075

    Abstract: A unified design strategy takes into account different subsystems within an overall electro-optic imaging system. In one implementation, the design methodology predicts end-to-end imaging performance using a spatial model for the source and models for the optical subsystem, the detector subsystem and the digital image processing subsystem. The optical subsystem and digital image processing subsystems are jointly designed taking into account the entire system. The intermediate image produced by the optical subsystem is not required to be high quality since, for example, the quality may be corrected by the digital image processing subsystem.

    Abstract translation: 统一的设计策略考虑到整个电光成像系统中的不同子系统。 在一个实现中,设计方法使用用于光学子系统,检测器子系统和数字图像处理子系统的源和模型的空间模型来预测端到端成像性能。 光学子系统和数字图像处理子系统是在考虑整个系统的情况下联合设计的。 由光子系统产生的中间图像不需要是高质量的,因为例如可以通过数字图像处理子系统校正质量。

    Control of adaptive optics based on post-processing metrics
    34.
    发明授权
    Control of adaptive optics based on post-processing metrics 有权
    基于后处理度量的自适应光学控制

    公开(公告)号:US08248684B2

    公开(公告)日:2012-08-21

    申请号:US12198765

    申请日:2008-08-26

    CPC classification number: G02B26/06

    Abstract: Adaptive optics (AO) elements in imaging system allow dynamic and precise control over the optical wavefront to reduce uncontrolled wavefront errors in imaging systems. Traditional control of such devices is based on inverting the wavefront function to minimize the RMS wavefront error. However, this approach is not always optimal, particularly when the wavefront error is near or exceeds the limit of the AO element's correction capability. In the current approach, the AO element is instead controlled based on a performance metric that takes into account image processing, and not just RMS wavefront error.

    Abstract translation: 成像系统中的自适应光学(AO)元件允许对光学波前进行动态和精确的控制,以减少成像系统中不受控制的波前误差。 这种设备的传统控制是基于反转波前函数来最小化RMS波前误差。 然而,这种方法并不总是最佳的,特别是当波前误差接近或超过AO元件校正能力的极限时。 在当前的方法中,AO元素是根据考虑到图像处理的性能指标来控制的,而不仅仅是RMS波前误差。

    Method and apparatus for high-speed and low-complexity piecewise geometric transformation of signals
    35.
    发明授权
    Method and apparatus for high-speed and low-complexity piecewise geometric transformation of signals 有权
    用于信号的高速和低复杂度分段几何变换的方法和装置

    公开(公告)号:US08116587B2

    公开(公告)日:2012-02-14

    申请号:US12706648

    申请日:2010-02-16

    CPC classification number: G06T3/0018

    Abstract: A method and system for high-speed and low-complexity geometric transformation of signals are described. In one embodiment, the system comprises an input patch consisting of a window of pixels from an input image. The system may further comprise a transformation selector to generate control data to control a geometric transformation mapping based on the location of a current pixel being processed. In one embodiment, the system may also comprise a hardware geometric transform engine to perform a geometric transformation mapping by switching on one path through the geometric transform engine from an input window to an output pixel using the control data. In one embodiment, the system may further comprise an interpolator to generate interpolated geometric transformation mappings using the control data and multiple outputs from the geometric transform engine by switching on multiple paths from an input window.

    Abstract translation: 描述了用于信号的高速和低复杂度几何变换的方法和系统。 在一个实施例中,系统包括由输入图像的像素窗组成的输入贴片。 系统还可以包括变换选择器,以生成控制数据,以基于正在处理的当前像素的位置来控制几何变换映射。 在一个实施例中,系统还可以包括硬件几何变换引擎,以通过使用控制数据从输入窗口切换到通过几何变换引擎的一个路径到输出像素来执行几何变换映射。 在一个实施例中,系统还可以包括内插器,以通过从输入窗口接通多个路径,使用控制数据和来自几何变换引擎的多个输出来生成内插几何变换映射。

    Catadioptric imaging system
    36.
    发明授权
    Catadioptric imaging system 有权
    反射折射成像系统

    公开(公告)号:US08077401B2

    公开(公告)日:2011-12-13

    申请号:US11866860

    申请日:2007-10-03

    Inventor: M. Dirk Robinson

    Abstract: A catadioptric imaging system combines a rectifying mirror, a lens system and subsequent image processing. This approach can produce a small form factor desktop document imaging system capable of producing high-quality, high-resolution images of paper documents.

    Abstract translation: 反射折射成像系统结合了整流镜,透镜系统和后续的图像处理。 这种方法可以生成一种能够生产纸质文件的高品质,高分辨率图像的小尺寸桌面文档成像系统。

    METHOD AND APPARATUS FOR HIGH-SPEED AND LOW-COMPLEXITY PIECEWISE GEOMETRIC TRANSFORMATION OF SIGNALS
    37.
    发明申请
    METHOD AND APPARATUS FOR HIGH-SPEED AND LOW-COMPLEXITY PIECEWISE GEOMETRIC TRANSFORMATION OF SIGNALS 有权
    用于高速和低复杂度信号的几何几何变换的方法和装置

    公开(公告)号:US20110200271A1

    公开(公告)日:2011-08-18

    申请号:US12706648

    申请日:2010-02-16

    CPC classification number: G06T3/0018

    Abstract: A method and system for high-speed and low-complexity geometric transformation of signals are described. In one embodiment, the system comprises an input patch consisting of a window of pixels from an input image. The system may further comprise a transformation selector to generate control data to control a geometric transformation mapping based on the location of a current pixel being processed. In one embodiment, the system may also comprise a hardware geometric transform engine to perform a geometric transformation mapping by switching on one path through the geometric transform engine from an input window to an output pixel using the control data. In one embodiment, the system may further comprise an interpolator to generate interpolated geometric transformation mappings using the control data and multiple outputs from the geometric transform engine by switching on multiple paths from an input window.

    Abstract translation: 描述了用于信号的高速和低复杂度几何变换的方法和系统。 在一个实施例中,系统包括由输入图像的像素窗组成的输入贴片。 系统还可以包括变换选择器,以生成控制数据,以基于正在处理的当前像素的位置来控制几何变换映射。 在一个实施例中,系统还可以包括硬件几何变换引擎,以通过使用控制数据从输入窗口切换到通过几何变换引擎的一个路径到输出像素来执行几何变换映射。 在一个实施例中,系统还可以包括内插器,以通过从输入窗口接通多个路径,使用控制数据和来自几何变换引擎的多个输出来生成内插几何变换映射。

    Dual-Mode Extended Depth-of-Field Imaging Systems
    38.
    发明申请
    Dual-Mode Extended Depth-of-Field Imaging Systems 有权
    双模扩展深度成像系统

    公开(公告)号:US20110074988A1

    公开(公告)日:2011-03-31

    申请号:US12571019

    申请日:2009-09-30

    CPC classification number: H04N5/217 G02B27/0075 H04N5/23229 H04N5/3572

    Abstract: A digital-optical imaging system can be operated in two modes, which shall be referred to as broadband mode and grayscale mode. In broadband mode, different color images are captured and then image processed together. The optics are intentionally aberrated to increase the depth of field, with the image processing compensating for the aberrations. In grayscale mode, the different color images are captured and then image processed separately. The color images are assumed to be correlated so that it is not necessary to have clear images of all color channels. Accordingly, the optics are designed so that the different color images focus at different locations, thus increasing the overall depth of field where at least one color image is in focus.

    Abstract translation: 数字光学成像系统可以以两种模式操作,这将被称为宽带模式和灰度模式。 在宽带模式下,捕获不同的彩色图像,然后一起进行图像处理。 光学器件有意像差以增加景深,图像处理补偿了像差。 在灰阶模式下,捕获不同的彩色图像,然后单独进行图像处理。 假设彩色图像是相关的,因此不需要具有所有颜色通道的清晰图像。 因此,光学设计成使得不同的彩色图像在不同的位置聚焦,从而增加至少一个彩色图像在焦点上的总体景深。

    End-to-End Design of Electro-Optic Imaging Systems Using the Nonequidistant Discrete Fourier Transform
    39.
    发明申请
    End-to-End Design of Electro-Optic Imaging Systems Using the Nonequidistant Discrete Fourier Transform 有权
    使用无量子离散傅立叶变换的电光成像系统的端到端设计

    公开(公告)号:US20100299113A1

    公开(公告)日:2010-11-25

    申请号:US12471296

    申请日:2009-05-22

    CPC classification number: G06F17/5009 G06F2217/08

    Abstract: A unified design strategy takes into account different subsystems within an overall electro-optic imaging system. In one implementation, the design methodology predicts end-to-end imaging performance using a spatial model for the source and models for the optical subsystem, the detector subsystem and the digital image processing subsystem. The optical subsystem and digital image processing subsystems are jointly designed taking into account the entire system. Unconventional techniques such as the nonequidistant DFT (nDFT) are used to accelerate the design process.

    Abstract translation: 统一的设计策略考虑到整个电光成像系统中的不同子系统。 在一个实现中,设计方法使用用于光学子系统,检测器子系统和数字图像处理子系统的源和模型的空间模型来预测端到端成像性能。 光学子系统和数字图像处理子系统是在考虑整个系统的情况下联合设计的。 非常规技术,如非等距DFT(nDFT)被用于加速设计过程。

    End-to-end design of electro-optic imaging systems with adjustable optical cutoff frequency
    40.
    发明授权
    End-to-end design of electro-optic imaging systems with adjustable optical cutoff frequency 有权
    具有可调光截止频率的电光成像系统的端到端设计

    公开(公告)号:US07692709B2

    公开(公告)日:2010-04-06

    申请号:US11433780

    申请日:2006-05-12

    CPC classification number: H04N5/2254 H04N5/217

    Abstract: An optical system that behaves like an integrated low pass filter with an adjustable optical cutoff frequency. The filter behavior is “integrated” in the sense that the overall design of the optical system results in the low pass filter characteristic, rather than having a separate, discrete component that implements the low pass filtering. The filter behavior is “adjustable” in the sense that the optical system can be adjusted in a manner that changes the optical cutoff frequency of the MTF. For example, moving certain optical components within the optical system may cause the change in cutoff frequency.

    Abstract translation: 一种光学系统,其性能类似于具有可调节光学截止频率的集成低通滤波器。 由于光学系统的总体设计导致低通滤波器特性,而是具有实现低通滤波的独立分立元件,滤波器行为是“集成的”。 在可以以改变MTF的光截止频率的方式调整光学系统的意义上,滤波器行为是“可调节的”。 例如,移动光学系统内的某些光学部件可能导致截止频率的变化。

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