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    • 64. 发明授权
    • Method and apparatus for ontology-based classification of media content
    • 用于基于本体的媒体内容分类的方法和装置
    • US07953693B2
    • 2011-05-31
    • US12105192
    • 2008-04-17
    • John R. SmithBelle L. TsengYi Wu
    • John R. SmithBelle L. TsengYi Wu
    • G06F9/44G06N7/02G06N7/06
    • G06K9/00711G06K9/6292Y10S707/99935Y10S707/99943
    • A method and apparatus for ontology-based classification of media content are provided. With the method and apparatus, initial confidence values of classifiers in a hierarchical classification structure are modified based on relationships between classifiers. A confidence value for a classifier is boosted by a boosting factor based on a correspondence between the confidence value and confidence values of ancestor classifiers in the hierarchical classification structure. A confidence value for a classifier is modified by a confusion factor based on a correspondence between the confidence value of the classifier and the confidence values of mutually exclusive classifiers in the hierarchical classification structure. In this way, a more accurate representation of the actual confidence that media content falls within the classification associated with the classifier is obtained. From this improved classification mechanism, indices for media content may be generated for use in accessing the media content at a later time.
    • 提供了一种用于基于本体的媒体内容分类的方法和装置。 利用该方法和装置,基于分类器之间的关系来修改分层分类结构中分类器的初始置信度值。 基于分级分类结构中的祖先分类器的置信度值和置信度值之间的对应关系,通过增强因子来提高分类器的置信度值。 基于分类器的置信度值与层次分类结构中互斥分类器的置信度值之间的对应关系,通过混淆因子来修改分类器的置信度值。 以这种方式,获得媒体内容落入与分类器相关联的分类内的实际置信度的更准确的表示。 根据该改进的分类机制,可以生成用于媒体内容的索引以用于在稍后的时间访问媒体内容。
    • 69. 发明申请
    • Feeder apparatus for controlled supply of feedstock
    • 用于控制原料供应的送料机
    • US20080014031A1
    • 2008-01-17
    • US11487298
    • 2006-07-14
    • Thomas Hubert Van SteenkisteJames A. GourashJohn R. SmithKeith A. Kowalsky
    • Thomas Hubert Van SteenkisteJames A. GourashJohn R. SmithKeith A. Kowalsky
    • B65G53/48
    • B65G53/48
    • A feeder apparatus supplies a powder feedstock to a high or low pressure processing operation. The apparatus includes a metering plate defining an annular channel having a channel width. A measuring mechanism dispenses a measured volume of the feedstock into the annular channel. The measuring mechanism includes a pay-out device defining an outlet significantly smaller than the channel width. The measuring mechanism further includes a maximum fill level defining a maximum pressure head in the feedstock less than a retaining pressure defined by the internal friction of the feedstock. The restraining pressure prevents the feedstock from spreading outwardly in the annular channel and contacting sidewalls of the annular channel under the pressure head of the feedstock. The apparatus further includes a pick-up device for removing the feedstock from the annular channel. The pick-up device includes an inlet having a rectangular shape extending across the annular channel.
    • 送料装置将粉末原料供应到高压或低压处理操作。 该装置包括限定具有通道宽度的环形通道的计量板。 测量机构将测量的原料体积分配到环形通道中。 测量机构包括限定出口明显小于通道宽度的出口装置。 测量机构还包括最大填充量,其限定了原料中的最大压力头小于由原料的内部摩擦所限定的保持压力。 约束压力防止原料在环形通道中向外扩散并且在原料的压头下方接触环形通道的侧壁。 该设备还包括用于从环形通道去除原料的拾取装置。 拾取装置包括具有延伸穿过环形通道的矩形形状的入口。