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    • 1. 发明申请
    • IMAGE COMPARISON DEVICE, IMAGE COMPARISON METHOD, IMAGE COMPARISON SYSTEM, SERVER, TERMINAL, TERMINAL CONTROL METHOD, AND TERMINAL CONTROL PROGRAM
    • 图像比较装置,图像比较方法,图像比较系统,服务器,终端,终端控制方法和终端控制程序
    • US20130208990A1
    • 2013-08-15
    • US13880281
    • 2011-10-14
    • Tatsuo AkiyamaShoji Yachida
    • Tatsuo AkiyamaShoji Yachida
    • G06K9/62
    • G06K9/6201G06K9/6202G06T7/30G06T7/337
    • [Problem] To provide an image comparison device which improves comparison precision and processing speed when deriving integrated comparison result on the basis of comparison results for individual local areas.[Solution] An image comparison device comprises: image acquisition means for acquiring an image; image display means for displaying the image acquired by the image acquisition means; input location pattern acquisition means for acquiring an input location pattern representing a general location of an area which is a comparison object in an area of the image displayed by the image display means; comparison object general area estimation means for estimating, on the basis of the input location pattern, a comparison object general area which is a general area of the comparison object in the image displayed by the image display means; and comparison result presentation means for presenting a result of comparison between a search image and a registered image, at least one of which is an image in the comparison object general area.
    • [问题]提供一种图像比较装置,其在基于各个局部区域的比较结果导出综合比较结果时,提高比较精度和处理速度。 图像比较装置包括:图像获取装置,用于获取图像; 图像显示装置,用于显示由图像获取装置获取的图像; 输入位置图案获取装置,用于获取表示由图像显示装置显示的图像的区域中的作为比较对象的区域的一般位置的输入位置图案; 比较对象一般区域估计装置,用于基于所述输入位置图案估计作为所述图像显示装置显示的图像中的比较对象的一般区域的比较对象一般区域; 以及比较结果呈现装置,用于呈现搜索图像和登记图像之间的比较结果,其中至少一个是比较对象一般区域中的图像。
    • 4. 发明申请
    • IMAGE RE-ENCODING DEVICE, IMAGE RE-ENCODING METHOD, AND IMAGE ENCODING PROGRAM
    • 图像重新编码设备,图像再编码方法和图像编码程序
    • US20100086225A1
    • 2010-04-08
    • US12524020
    • 2008-01-17
    • Shoji Yachida
    • Shoji Yachida
    • G06K9/36G06K9/46
    • H04N19/865H04N19/117H04N19/14H04N19/159H04N19/16H04N19/172H04N19/40H04N19/61H04N19/82H04N19/86
    • Provided is an image re-encoding method which simultaneously satisfies reduction of block distortion and reduction of a memory when re-encoding image data encoded by a first encoding method, by a second encoding method. An image re-encoding method comprises the steps of decoding image data encoded per block by the first encoding method; and encoding the image data decoded in the step of decoding, per block by the second encoding method. The step of encoding the image data includes the steps of: performing boundary detection to detect a block boundary of the image data encoded by the first encoding method, with the use of the image data encoded by the first encoding method; and deblocking to perform a deblocking filter process to the block boundary detected in the step of performing boundary detection.
    • 提供了一种图像重新编码方法,其通过第二编码方法同时满足通过第一编码方法编码的图像数据重新编码时的块失真的减小和存储器的减少。 图像重新编码方法包括:通过第一编码方法对每块编码的图像数据进行解码的步骤; 并且通过第二编码方法对每个块的解码步骤中解码的图像数据进行编码。 编码图像数据的步骤包括以下步骤:利用由第一编码方法编码的图像数据,执行边界检测以检测由第一编码方法编码的图像数据的块边界; 并且解块以对执行边界检测的步骤中检测到的块边界执行去块滤波处理。
    • 9. 发明申请
    • Image recompressing apparatus and image recompressing method
    • 图像再压缩装置和图像再压缩方法
    • US20050163214A1
    • 2005-07-28
    • US11040777
    • 2005-01-21
    • Shoji Yachida
    • Shoji Yachida
    • H04N19/60H03M7/30H03M7/40H04N7/12H04N19/126H04N19/134H04N19/14H04N19/146H04N19/157H04N19/196H04N19/40H04N19/48H04N19/625H04N19/85H04N19/91
    • H04N19/40H04N19/124H04N19/14H04N19/152H04N19/159H04N19/46H04N19/61
    • An image recompressing apparatus includes header information separating means for separating header information and compressed image information from compressed image data obtained by decoding, inverse quantizing means for performing inverse quantization of compressed image information depending upon a quantization matrix and a quantization scale code in the separated header information, quantization matrix transforming means for changing the quantization matrix according to a predetermined compressibility factor, quantization scale code transforming means for changing the quantization scale code according to the compressibility factor, and quantizing means for requantizing the inverse quantized image information depending upon the post-transformation matrix and the post-transformation quantization scale code. Thus, in the transformation of an amount of code of compressed/encoded time-varying image data, it is possible to realize the function of preventing degradation in image quality while reducing an amount of code in a high speed.
    • 图像再压缩装置包括标题信息分离装置,用于从通过解码获得的压缩图像数据中分离标题信息和压缩图像信息;反量化装置,用于根据分离报头中的量化矩阵和量化尺度代码执行压缩图像信息的反量化 信息量化矩阵变换装置,用于根据预定的压缩因子改变量化矩阵;量化尺度代码变换装置,用于根据压缩系数因子改变量化尺度代码;以及量化装置,用于根据后期数据量化反量化图像信息, 变换矩阵和后变换量化尺度代码。 因此,在压缩/编码的时变图像数据的代码量的变换中,可以实现防止图像质量下降的功能,同时以高速度减少代码量。