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    • 2. 发明申请
    • Character Detection Apparatus and Method
    • 字符检测装置及方法
    • US20150371399A1
    • 2015-12-24
    • US14742131
    • 2015-06-17
    • Kabushiki Kaisha Toshiba
    • Yojiro TonouchiKaoru Suzuki
    • G06T7/00G06K9/18
    • G06T7/11G06K9/342G06K2209/01G06T7/187
    • According to one embodiment, a character detection apparatus includes a feature extractor, a determiner and an integrator. The feature extractor extracts a feature value of an image including character strings. The determiner determines each priority of a plurality of different character detection schemes in accordance with character detection accuracy with respect to an image region having a feature corresponding to the feature value. The integrator integrates text line candidates of the character detection schemes, and selects, as a text line, one of the text line candidates detected by the character detection scheme with the highest priority if a superimposition degree indicating a ratio of a superimposed region among the text line candidates is no less than a first threshold value.
    • 根据一个实施例,字符检测装置包括特征提取器,确定器和积分器。 特征提取器提取包括字符串的图像的特征值。 确定器根据具有与特征值相对应的特征的图像区域的字符检测精度来确定多个不同字符检测方案的每个优先级。 积分器整合字符检测方案的文本行候选,并且如果表示文本中的叠加区域的比例的叠加度,则作为文本行选择具有最高优先级的字符检测方案检测到的文本行候选中的一个 行候补不低于第一阈值。
    • 3. 发明授权
    • Retrieving apparatus, retrieving method, and computer program product
    • 检索设备,检索方法和计算机程序产品
    • US09195887B2
    • 2015-11-24
    • US14198369
    • 2014-03-05
    • KABUSHIKI KAISHA TOSHIBA
    • Tomoyuki ShibataYojiro Tonouchi
    • G06K9/00G06K9/18
    • G06K9/00402
    • According to an embodiment, an apparatus includes an acquirer, a divider, an extractor, a calculator, and a retriever. The acquirer is configured to acquire a plurality of first point sequences. The divider is configured to divide each of the plurality of first point sequences into a plurality of second point sequences. The extractor is configured to extract a feature vector of each of the plurality of second point sequences. The calculator is configured to calculate a distance between the plurality of first point sequences based on an optimal path among the plurality of second point sequences that belong to each of the plurality of first point sequences. The retriever is configured to retrieve data corresponding to the plurality of first point sequences using the distance.
    • 根据实施例,一种装置包括获取器,分割器,提取器,计算器和检索器。 获取器被配置为获取多个第一点序列。 分配器被配置为将多个第一点序列中的每一个划分成多个第二点序列。 提取器被配置为提取多个第二点序列中的每一个的特征向量。 计算器被配置为基于属于多个第一点序列中的每一个的多个第二点序列中的最佳路径来计算多个第一点序列之间的距离。 检索器被配置为使用该距离检索对应于多个第一点序列的数据。