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    • 5. 发明专利
    • Method and apparatus for enhancing images
    • 用于增强图像的方法和装置
    • JP2013117995A
    • 2013-06-13
    • JP2013041999
    • 2013-03-04
    • Sensors Unlimited Incセンサーズ アンリミテッド インコーポレイテッド
    • MARK C STERNTHOMAS SUDOL
    • G06T5/00
    • G06T5/40G06T5/009G06T2207/10016G06T2207/10048G06T2207/30212
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for enhancing images in which an input image generated by an imaging device, such as a short-wavelength infrared (SWIR) camera, a sensor or all other imaging devices, is processed to produce an input histogram representing a distribution of pixel intensity in the input image.SOLUTION: A method for enhancing images includes: determining histogram start and end points and calculating a variable plateau profile depending upon a type of enhancement desired, the plateau profile capable of taking on all desired shapes or sizes and including two or more plateau regions in the profile; clipping the input histogram along the variable plateau profile; creating a cumulative histogram from the clipped histogram and normalizing it; and transforming the input image into an enhanced output image by using the normalized cumulative histogram as a look-up table.
    • 要解决的问题:提供一种用于增强图像的方法和装置,其中处理由诸如短波长红外(SWIR)照相机,传感器或所有其它成像装置的成像装置产生的输入图像 以产生表示输入图像中的像素强度分布的输入直方图。 解决方案:一种用于增强图像的方法包括:根据期望的增强类型,确定直方图起点和终点并计算可变平台剖面,能够承受所有所需形状或尺寸并包括两个或多个平台 配置文件中的区域; 沿着可变平台剖面剪切输入直方图; 从剪切直方图创建累积直方图并对其进行归一化; 并且通过使用归一化的累积直方图作为查找表将输入图像变换为增强输出图像。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Moving target detector, computer program, and moving target detection method
    • 移动目标检测器,计算机程序和移动目标检测方法
    • JP2010009275A
    • 2010-01-14
    • JP2008167013
    • 2008-06-26
    • Mitsubishi Electric Corp三菱電機株式会社
    • IKEDA MITSUHISAKAMEDA HIROSHI
    • G06T7/20G01S13/89H04N7/18
    • G01S3/7864G01S7/295G01S13/585G01S13/723G01S13/89G06T7/246G06T2207/10016G06T2207/30212
    • PROBLEM TO BE SOLVED: To extract a target pixel on which a target moving from an image having a complicate background is projected. SOLUTION: An image storage part 112 stores first image data showing a first image and second image data showing a second image. A moving destination candidate extraction part 152 extracts a pixel whose luminance is increased from among a plurality of pixels included in the two images, and defines the pixel as a moving destination candidate pixel. A moving origin candidate extraction part 151 extracts the pixel whose luminance is decreased from among the plurality of pixels included in the two images, and defines the pixel as a moving origin candidate pixel. A target extraction part 153 extracts the pixel in which the moving origin candidate pixel making a pair from among the moving destination candidate pixels, and defines the pixel as a target pixel. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提取从投影有复杂背景的图像移动的目标的目标像素。 解决方案:图像存储部分112存储示出第一图像的第一图像数据和表示第二图像的第二图像数据。 移动目的地候选提取部分152从包括在两个图像中的多个像素中提取其亮度增加的像素,并将像素定义为移动目的地候选像素。 移动原点候选提取部分151从包括在两个图像中的多个像素中提取其亮度降低的像素,并将该像素定义为移动源候选像素。 目标提取部分153从移动目的地候选像素中提取其中制作一对的移动原点候选像素的像素,并将像素定义为目标像素。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Method and device for processing echo signal, radar device and echo signal processing program
    • 用于处理信号信号的方法和装置,雷达装置和信号信号处理程序
    • JP2011174714A
    • 2011-09-08
    • JP2010036882
    • 2010-02-23
    • Furuno Electric Co Ltd古野電気株式会社
    • NAKAGAWA KAZUYA
    • G01S7/32
    • G01S7/22G01S7/414G01S13/89G01S13/9307G06T5/003G06T5/50G06T2207/10044G06T2207/20192G06T2207/30212
    • PROBLEM TO BE SOLVED: To provide an image processing method capable of sharply displaying a target by removing blurs caused by a condition of a transmission pulse.
      SOLUTION: An edge enhancement processing for enhancing the measurement data of a sample, having a relatively high degree of change of values between samples among measurement data is performed, and a scan correlation processing is performed by using measurement data after the edge enhancement processing. A spot close to own ship in a target contour is a spot having a relatively high degree of change in values among samples (a spot where an echo level abruptly rises). The measurement data of the rising part show information that does not fluctuate by a large amount, even if a transmission pulse condition, such as, pulse length is changed. Accordingly, the target contour can be sharply displayed, by removing dimness or the like caused by the transmission pulse condition, by performing scan correlation, after the edge enhancement processing is carried out.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够通过消除由传输脉冲的状况引起的模糊而急剧显示目标的图像处理方法。 解决方案:执行用于增强样本的测量数据的边缘增强处理,其具有在测量数据中的样本之间的相对较高程度的变化,并且通过使用边缘增强之后的测量数据来执行扫描相关处理 处理。 在目标轮廓中靠近自己的船的一个点是样本中的值之间具有相对较高程度的变化的点(回波水平突然上升的点)。 上升部分的测量数据即使改变诸如脉冲长度的传输脉冲条件,也显示不大量波动的信息。 因此,通过在执行边缘增强处理之后,通过执行扫描相关性,可以通过消除由传输脉冲条件引起的亮度等,来清晰地显示目标轮廓。 版权所有(C)2011,JPO&INPIT