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    • 5. 发明申请
    • AUTOMATICALLY TRIGGERING PREDICTIONS IN RECOMMENDATION SYSTEMS BASED ON AN ACTIVITY-PROBABILITY THRESHOLD
    • 基于活动可靠性阈值的建议系统自动触发预测
    • US20130218825A1
    • 2013-08-22
    • US13402751
    • 2012-02-22
    • Rui ZhangKurt E. PartridgeRobert R. PriceJames M.A. BegoleMaurice K. Chu
    • Rui ZhangKurt E. PartridgeRobert R. PriceJames M.A. BegoleMaurice K. Chu
    • G06N7/02
    • G06Q10/04G06Q30/02
    • A recommender system determines a probability threshold for an activity-prediction model, and uses the probability threshold to predict whether a user is performing a target activity. To determine the probability threshold, the system computes a set of activity probabilities based on contextual information for a set of historical activities, and based on an activity-prediction model for a target activity. The system then compares a set of probability thresholds with the set of activity probabilities to determine a prediction success rate for each probability threshold. The system computes a utility score for each probability threshold based on the prediction success rates and a utility function, and selects a probability threshold whose utility score is optimal amongst the utility scores of the set of thresholds and greater than or equal to a baseline utility score. The system then assigns the probability threshold to the activity-prediction model.
    • 推荐系统确定活动预测模型的概率阈值,并使用概率阈值来预测用户是否正在执行目标活动。 为了确定概率阈值,系统基于一组历史活动的上下文信息,并且基于目标活动的活动预测模型来计算一组活动概率。 然后,系统将一组概率阈值与活动概率集合进行比较,以确定每个概率阈值的预测成功率。 该系统基于预测成功率和效用函数来计算每个概率阈值的效用得分,并且选择一个概率阈值,其效用评分在阈值集合的效用评分之间是最佳的,并且大于或等于基准效用得分 。 系统然后将概率阈值分配给活动预测模型。
    • 6. 发明申请
    • SPATIAL ASSOCIATION BETWEEN VIRTUAL AND AUGMENTED REALITY
    • 虚拟和现实之间的空间关系
    • US20110316845A1
    • 2011-12-29
    • US12823939
    • 2010-06-25
    • Michael RobertsJames M.A. BegoleMaurice K. ChuDoron Kletter
    • Michael RobertsJames M.A. BegoleMaurice K. ChuDoron Kletter
    • G06T15/00G09G5/00
    • G06T19/006
    • One embodiment of the present invention provides a system that facilitates interaction between two entities located away from each other. The system includes a virtual reality system, an augmented reality system, and an object-state-maintaining mechanism. During operation, the virtual reality system displays an object associated with a real-world object. The augmented reality system displays the object based on a change to the state of the object. The object-state-maintaining mechanism determines the state of the object and communicates a state change to the virtual reality system, the augmented reality system, or both. A respective state change of the object can be based on one or more of: a state change of the real-world object; a user input to the virtual reality system or the augmented reality system; and an analysis of an image of the real-world object.
    • 本发明的一个实施例提供一种促进彼此远离的两个实体之间的相互作用的系统。 该系统包括虚拟现实系统,增强现实系统以及对象状态维护机制。 在操作期间,虚拟现实系统显示与真实世界对象相关联的对象。 增强现实系统基于对对象状态的改变显示对象。 对象状态维护机制确定对象的状态并将状态改变传达给虚拟现实系统,增强现实系统或两者。 对象的相应状态变化可以基于以下中的一个或多个:现实世界对象的状态变化; 用户输入到虚拟现实系统或增强现实系统; 以及对真实世界对象的图像的分析。