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    • 1. 发明申请
    • METHOD FOR CLASSIFYING IMAGES AND APPARATUS FOR THE SAME
    • 分类图像的方法及其设备
    • US20120148118A1
    • 2012-06-14
    • US13311943
    • 2011-12-06
    • Keun Dong LEEWeon Geun OhSung Kwan JeHyuk JeongSang II NaRobin Kalia
    • Keun Dong LEEWeon Geun OhSung Kwan JeHyuk JeongSang II NaRobin Kalia
    • G06K9/00
    • G06K9/00362G06K9/629
    • An image classifying apparatus may include a database constructor which constructs database by detecting face region from received classification target image, extracting face feature descriptor from detected face region, extracting a costume feature descriptor using position information of detected face region, and storing face feature descriptor and costume feature descriptor in database, a first processor which generates representative image model by comparing face feature descriptor and costume feature descriptor of classification target image stored in database based on a received representative image to search for a similar image and registering similar image in a representative image model for each person, and second processor which compares additional information of representative image stored in representative image model for each person and additional information of classification target image stored in database and classifies image for each person based on similarity measured by adding up weights corresponding to similarities according to comparison results.
    • 图像分类装置可以包括数据库构造器,其通过从接收到的分类目标图像检测面部区域来构建数据库,从检测到的脸部区域提取面部特征描述符,使用检测到的脸部区域的位置信息提取服装特征描述符,并且存储脸部特征描述符和 数据库中的服装特征描述符,第一处理器,其通过基于接收到的代表图像比较存储在数据库中的分类目标图像的面部特征描述符和服装特征描述符来生成代表图像模型,以搜索类似图像并在代表图像中注册相似图像 模型,以及第二处理器,其对存储在每个人的代表图像模型中的代表图像的附加信息和存储在数据库中的分类目标图像的附加信息进行比较,并且基于相似性度量对每个人分类图像 d根据比较结果加权对应于相似度。
    • 7. 发明授权
    • Apparatus and method for embedding and extracting a digital watermark based on a wavelet
    • 基于小波嵌入和提取数字水印的装置和方法
    • US07092545B2
    • 2006-08-15
    • US10329546
    • 2002-12-27
    • Yong-Seok SeoSanghyun JooWeon Geun Oh
    • Yong-Seok SeoSanghyun JooWeon Geun Oh
    • G06K9/00
    • G06T1/0057G06T1/0028G06T2201/0052G06T2201/0083G06T2201/0202
    • In an apparatus for embedding digital watermarks into an image, a watermark embedding region extraction unit extracts an image region to contain watermarks from a wavelet transformed entire image. A watermark generation unit generates a watermark data row to be embedded according to a user's private key. A normalization operation unit normalizes the quantized data value by using a quantization unit into a normalized data value. An inverse quantization inversely quantizes and outputs the normalized data value. A watermark embedment unit embeds a watermark-embedded data value as a corresponding pixel data value into the watermark embedding region, wherein the watermark-embedded data value is obtained by subtracting, from the inversely quantized data value, the watermark data value added prior to the quantization.
    • 在将数字水印嵌入图像的装置中,水印嵌入区域提取单元从小波变换的整体图像中提取图像区域以包含水印。 水印生成单元根据用户的私钥生成要嵌入的水印数据行。 归一化操作单元通过使用量化单元将量化数据值归一化为归一化数据值。 逆量化逆量化并输出归一化数据值。 水印嵌入单元将水印嵌入数据值作为对应的像素数据值嵌入到水印嵌入区域中,其中通过从逆量化数据值中减去在该水印嵌入数据值之前添加的水印数据值, 量化。