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    • 5. 发明授权
    • Picture image forming apparatus
    • 图像形成装置
    • US6005987A
    • 1999-12-21
    • US951713
    • 1997-10-16
    • Mitsuaki NakamuraYoshihiro KitamuraHiroshi Akagi
    • Mitsuaki NakamuraYoshihiro KitamuraHiroshi Akagi
    • H04N5/222G06T1/00G06T3/00G06T3/40G06T15/20H04N5/225H04N5/265H04N13/00G06K9/32
    • G06T3/4038G06T15/20H04N13/0239H04N5/23238G06T2207/10012H04N13/0051H04N13/0055H04N13/0296H04N2013/0081H04N2013/0088
    • In forming a panoramic picture image by compositing picture images dividedly imaged, the invention corrects deviations of images of an object at overlap regions caused by a difference in fields of view of imaging means or movement of an object to be imaged in which a picture image forming apparatus includes a picture image inputting device, a frame memory for storing divided picture images inputted from the picture image inputting device, a picture image position calculating unit for calculating positions of compositing the divided picture images, a picture image parallax sampling and processing unit for sampling parallax information among picture images from picture images including parallaxes in the overlap regions among contiguous divided picture images, an intermediate picture image forming and processing unit for forming a plurality of intermediate picture images from the picture images including the parallaxes and a picture image composition and processing unit for compositing a panoramic picture image from the divided picture images where the deviations of images in the overlap regions are corrected by the picture image parallax sampling and processing unit and the panoramic picture images are composited performing an interpolation by the intermediate picture images formed by the intermediate picture image forming and processing unit.
    • 在通过合成分割成像的图像图像来形成全景图像图像时,本发明校正由成像装置的视场差异或被成像对象的移动引起的重叠区域的对象的图像偏差,其中图像形成 装置包括图像输入装置,用于存储从图像输入装置输入的分割图像的帧存储器,用于计算合成分割图像图像的位置的图像位置计算单元,用于采样的图像视差采样和处理单元 来自图像的图像之间的视差信息包括连续分割图像之间的重叠区域中的视差,用于从包括视差的图像形成多个中间图像图像的中间图像图像形成和处理单元以及图像组成和处理 合成单位 通过由图像视差采样和处理单元校正重叠区域中的图像的偏差的分割图像图像和全景图像,通过由中间图像形成形成的中间图像图像合成进行内插的全景图像图像 和处理单元。
    • 7. 发明授权
    • Movement detecting apparatus with feature point extractor based on luminance gradient in current frame
    • 基于当前帧亮度梯度的特征点提取器的运动检测装置
    • US06650362B1
    • 2003-11-18
    • US09269033
    • 1999-03-18
    • Yasuhisa NakamuraYoshihiro KitamuraHiroshi Akagi
    • Yasuhisa NakamuraYoshihiro KitamuraHiroshi Akagi
    • H04N5228
    • G06T7/246H04N5/145
    • In connection with the detection of an amount of movement of an image such as a document image having a small gradient of brightness, it has been difficult to detect the amount by a representative point method, and a block matching method requires much time. An image (F1) at a time (T1), which has been imaged by moving an imaging section (1), is taken into a memory (2) and a feature point extracting section (3), where feature points of the image (F1) are extracted, and an image (F2) at a start time (T2) of the subsequent frame is taken in the memory (2) and the feature point extracting section (3). A correlation operating section (5) operates feature points of the image (F2) and the image (F1) in an area designated by a search area deciding section (4) to output an amount of movement.
    • 结合检测诸如具有小的亮度梯度的文档图像的图像的移动量​​,难以通过代表点法检测量,并且块匹配方法需要很多时间。 已经通过移动成像部分(1)成像的时间(T1)的图像(F1)被带入存储器(2)和特征点提取部分(3),其中图像的特征点 F1),并且在存储器(2)和特征点提取部(3)中取出后续帧的开始时刻(T2)的图像(F2)。 相关操作部分(5)在由搜索区域确定部分(4)指定的区域中操作图像(F2)和图像(F1)的特征点以输出移动量。
    • 8. 发明授权
    • Picture processing apparatus
    • 图像处理装置
    • US06215914B1
    • 2001-04-10
    • US09103877
    • 1998-06-24
    • Yasuhisa NakamuraYoshihiro KitamuraHiroshi AkagiMasashi HirosawaKazuyuki NakoMituaki Nakamura
    • Yasuhisa NakamuraYoshihiro KitamuraHiroshi AkagiMasashi HirosawaKazuyuki NakoMituaki Nakamura
    • G06K900
    • H04N1/3876
    • A picture processing apparatus which can reduce matching errors and shorten a processing time for matching. In the picture processing apparatus, a binarization circuit individually binarizes a pair of object picture signals to generate line picture signals. A feature point extract circuit extracts a plurality of feature point pixels for each reference area in the reference side line picture. A transforming circuit widens a line width of the search side line picture. A correlation computation circuit, for each reference area, finds a correlation between each pixel within a search area in the line picture whose line width has been widened and the feature point pixels. A composition processing section composites the pair of object picture signals based on the correlations. A picture processing apparatus which can adjust density and color tone of two pictures to be composited. At first, the picture processing apparatus finds overlapping areas of the two pictures to be processed and finds typical values typifying distributions of density values of pixels in the overlapping area of each picture, respectively. Next, it adjusts overall lightness of the two pictures by multiplying the density value of each pixel of one picture by a ratio of the typical value of the other picture to the typical value of one picture.
    • 一种能够减少匹配误差并缩短匹配处理时间的图像处理装置。 在图像处理装置中,二值化电路单独地二值化一对物体图像信号以生成线图像信号。 特征点提取电路提取参考侧线图像中的每个参考区域的多个特征点像素。 变换电路拓宽搜索侧线图像的线宽。 对于每个参考区域,相关计算电路找到线宽已经变宽的线条图像中的搜索区域内的每个像素与特征点像素之间的相关性。 合成处理部分基于相关性来合成该对物体图像信号。 一种图像处理装置,其可以调整要合成的两幅图像的浓度和色调。 首先,图像处理装置找到要处理的两个图像的重叠区域,并且分别找到代表每个图像的重叠区域中的像素的浓度值分布的典型值。 接下来,通过将一张图片的每个像素的浓度值乘以另一图像的典型值与一张图像的典型值的比率来调整两张照片的整体亮度。