SYSTEM AND METHOD FOR REDUCTION OF SPECKLE NOISE IN AN IMAGE
    1.
    发明申请
    SYSTEM AND METHOD FOR REDUCTION OF SPECKLE NOISE IN AN IMAGE 有权
    用于减少图像中的斑点噪声的系统和方法

    公开(公告)号:US20080025619A1

    公开(公告)日:2008-01-31

    申请号:US11831353

    申请日:2007-07-31

    IPC分类号: G06K9/36

    摘要: The present invention includes methods for the reduction of speckle noise in an image and methods for segmenting an image. Each of the methods disclosed herein includes steps for analyzing the uniformity of a pixel within a plurality of pixels forming a portion of the image and, based on the uniformity of the intensity of the plurality of pixels, adjusting and/or replacing the pixel in order to produce a speckle-noise reduced image, a segmented image, or a segmented and speckle-noise reduced image. The methods of the present invention can employ for example conditional probability density functions, nonlinear estimator functions, convex energy functions and simulated annealing algorithms in the performance of their respective steps.

    摘要翻译: 本发明包括用于减少图像中的斑点噪声的方法和用于分割图像的方法。 本文公开的每种方法包括用于分析形成图像的一部分的多个像素内的像素的均匀性的步骤,并且基于多个像素的强度的均匀性,按顺序调整和/或替换像素 以产生斑点噪声缩小图像,分割图像或分割和斑点噪声缩小图像。 本发明的方法可以在其各自的步骤的执行中使用例如条件概率密度函数,非线性估计函数,凸能量函数和模拟退火算法。

    DETECTOR WITH TUNABLE SPECTRAL RESPONSE
    2.
    发明申请
    DETECTOR WITH TUNABLE SPECTRAL RESPONSE 有权
    具有可调光谱响应的探测器

    公开(公告)号:US20070252134A1

    公开(公告)日:2007-11-01

    申请号:US11695429

    申请日:2007-04-02

    IPC分类号: H01L31/00

    摘要: A semiconductor detector has a tunable spectral response. These detectors may be used with processing techniques that permit the creation of “synthetic” sensors that have spectral responses that are beyond the spectral responses attainable by the underlying detectors. For example, the processing techniques may permit continuous and independent tuning of both the center wavelength and the spectral resolution of the synthesized spectral response. Other processing techniques can also generate responses that are matched to specific target signatures.

    摘要翻译: 半导体检测器具有可调谐的光谱响应。 这些检测器可以与处理技术一起使用,这些处理技术允许创建具有超过下层检测器可获得的光谱响应的光谱响应的“合成”传感器。 例如,处理技术可以允许中心波长和合成光谱响应的光谱分辨率的连续且独立的调谐。 其他处理技术也可以产生与特定目标签名匹配的响应。

    INTERSUBBAND DETECTOR WITH AVALANCHE MULTIPLIER REGION
    3.
    发明申请
    INTERSUBBAND DETECTOR WITH AVALANCHE MULTIPLIER REGION 审中-公开
    带有AVALANCHE MULTIPLIER区域的INTERSUBBAND检测器

    公开(公告)号:US20080006816A1

    公开(公告)日:2008-01-10

    申请号:US11780933

    申请日:2007-07-20

    IPC分类号: H01L31/0352

    摘要: A photodetector for use at wavelengths of 2 μm and longer has an intersubband absorption region to provide absorption at wavelengths beyond 2 μm, integrated with an avalanche multiplier region to provide low-rise gain. In one particular design, the intersubband absorption region is a quantum-confined absorption region (e.g., based on quantum wells and/or quantum dots).

    摘要翻译: 用于2μm和更长波长的光电检测器具有跨带吸收区域,以在超过2μm的波长处提供吸收,与雪崩倍增器区域集成以提供低增益增益。 在一个特定设计中,子带间吸收区域是量子限制吸收区域(例如,基于量子阱和/或量子点)。

    SYSTEM AND METHOD FOR REDUCTION OF SPECKLE NOISE IN AN IMAGE
    4.
    发明申请
    SYSTEM AND METHOD FOR REDUCTION OF SPECKLE NOISE IN AN IMAGE 有权
    用于减少图像中的斑点噪声的系统和方法

    公开(公告)号:US20090175557A1

    公开(公告)日:2009-07-09

    申请号:US12406730

    申请日:2009-03-18

    IPC分类号: G06K9/40

    摘要: The present invention includes methods for the reduction of speckle noise in an image and methods for segmenting an image. Each of the methods disclosed herein includes steps for analyzing the uniformity of a pixel within a plurality of pixels forming a portion of the image and, based on the uniformity of the intensity of the plurality of pixels, adjusting and/or replacing the pixel in order to produce a speckle-noise reduced image, a segmented image, or a segmented and speckle-noise reduced image. The methods of the present invention can employ for example conditional probability density functions, nonlinear estimator functions, convex energy functions and simulated annealing algorithms in the performance of their respective steps.

    摘要翻译: 本发明包括用于减少图像中的斑点噪声的方法和用于分割图像的方法。 本文公开的每种方法包括用于分析形成图像的一部分的多个像素内的像素的均匀性的步骤,并且基于多个像素的强度的均匀性,按顺序调整和/或替换像素 以产生斑点噪声缩小图像,分割图像或分割和斑点噪声缩小图像。 本发明的方法可以在其各自的步骤的执行中使用例如条件概率密度函数,非线性估计函数,凸能量函数和模拟退火算法。

    System and method for reduction of speckle noise in an image
    5.
    发明授权
    System and method for reduction of speckle noise in an image 有权
    减少图像中斑点噪声的系统和方法

    公开(公告)号:US07961975B2

    公开(公告)日:2011-06-14

    申请号:US11831353

    申请日:2007-07-31

    IPC分类号: G06K9/40

    摘要: The present invention includes methods for the reduction of speckle noise in an image and methods for segmenting an image. Each of the methods disclosed herein includes steps for analyzing the uniformity of a pixel within a plurality of pixels forming a portion of the image and, based on the uniformity of the intensity of the plurality of pixels, adjusting and/or replacing the pixel in order to produce a speckle-noise reduced image, a segmented image, or a segmented and speckle-noise reduced image. The methods of the present invention can employ for example conditional probability density functions, nonlinear estimator functions, convex energy functions and simulated annealing algorithms in the performance of their respective steps.

    摘要翻译: 本发明包括用于减少图像中的斑点噪声的方法和用于分割图像的方法。 本文公开的每种方法包括用于分析形成图像的一部分的多个像素内的像素的均匀性的步骤,并且基于多个像素的强度的均匀性,按顺序调整和/或替换像素 以产生斑点噪声缩小图像,分割图像或分割和斑点噪声缩小图像。 本发明的方法可以在其各自的步骤的执行中使用例如条件概率密度函数,非线性估计函数,凸能量函数和模拟退火算法。

    Intersubband detector with avalanche multiplier region
    6.
    发明申请
    Intersubband detector with avalanche multiplier region 有权
    带雪崩乘法器区域的Intersubband检测器

    公开(公告)号:US20050211996A1

    公开(公告)日:2005-09-29

    申请号:US10965702

    申请日:2004-10-13

    摘要: A photodetector for use at wavelengths of 2 μm and longer has an intersubband absorption region to provide absorption at wavelengths beyond 2 μm, integrated with an avalanche multiplier region to provide low-noise gain. In one particular design, the intersubband absorption region is a quantum-confined absorption region (e.g., based on quantum wells and/or quantum dots).

    摘要翻译: 用于2μm和更长波长的光电检测器具有带间吸收区域,以在超过2μm的波长处提供吸收,与雪崩倍增器区域集成以提供低噪声增益。 在一个特定设计中,子带间吸收区域是量子限制吸收区域(例如,基于量子阱和/或量子点)。

    Detector with tunable spectral response
    7.
    发明申请
    Detector with tunable spectral response 有权
    具有可调光谱响应的检测器

    公开(公告)号:US20050211873A1

    公开(公告)日:2005-09-29

    申请号:US10948839

    申请日:2004-09-22

    摘要: A semiconductor detector has a tunable spectral response. These detectors may be used with processing techniques that permit the creation of “synthetic” sensors that have spectral responses that are beyond the spectral responses attainable by the underlying detectors. For example, the processing techniques may permit continuous and independent tuning of both the center wavelength and the spectral resolution of the synthesized spectral response. Other processing techniques can also generate responses that are matched to specific target signatures.

    摘要翻译: 半导体检测器具有可调谐的光谱响应。 这些检测器可以与处理技术一起使用,这些处理技术允许创建具有超过下层检测器可获得的光谱响应的光谱响应的“合成”传感器。 例如,处理技术可以允许中心波长和合成光谱响应的光谱分辨率的连续且独立的调谐。 其他处理技术也可以产生与特定目标签名匹配的响应。