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    • 6. 发明申请
    • IMAGE PROCESSING METHOD AND APPARATUS
    • 图像处理方法和装置
    • US20120321125A1
    • 2012-12-20
    • US13523319
    • 2012-06-14
    • Yoon Hee CHOIHee Seon Park
    • Yoon Hee CHOIHee Seon Park
    • G06K9/46
    • G06K9/2063G06K9/522G06K9/6206
    • An image processing method and apparatus extracts unique identifiers directly from images and examines similarities between images using the extracted identifiers, by capturing a frame of an image; reducing the size of the captured frame; transforming the reduced frame to a frequency domain frame; creating an image feature vector by scanning frequency components of the frequency domain frame; computing inner product values by projecting the image feature vector onto random vectors; generating a fingerprint for identifying the captured frame by applying a Heaviside step function to the inner product values; and searching a database for information related to the generated fingerprint and outputting the search results.
    • 一种图像处理方法和装置,从图像中直接提取唯一标识符,并通过捕获图像的帧来检测使用提取的标识符的图像之间的相似度; 减少捕获帧的大小; 将缩小帧转换为频域帧; 通过扫描频域帧的频率分量来创建图像特征向量; 通过将图像特征向量投影到随机向量上来计算内积值; 通过对所述内积值应用Heaviside步函数来生成用于识别所捕获的帧的指纹; 以及在数据库中搜索与生成的指纹相关的信息并输出搜索结果。