CN103327407B - 设置视听内容观看级别的方法 - Google Patents

设置视听内容观看级别的方法 Download PDF

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CN103327407B
CN103327407B CN201310096005.4A CN201310096005A CN103327407B CN 103327407 B CN103327407 B CN 103327407B CN 201310096005 A CN201310096005 A CN 201310096005A CN 103327407 B CN103327407 B CN 103327407B
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CN103327407A (zh
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F.博塔
P.加尔拉多
C.佩内特
C-H.德玛泰
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Thomson Licensing SAS
InterDigital Madison Patent Holdings SAS
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/454Content or additional data filtering, e.g. blocking advertisements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/454Content or additional data filtering, e.g. blocking advertisements
    • H04N21/4542Blocking scenes or portions of the received content, e.g. censoring scenes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/475End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
    • H04N21/4751End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for defining user accounts, e.g. accounts for children
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/475End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
    • H04N21/4756End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for rating content, e.g. scoring a recommended movie
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

本发明公开了一种为视听内容设置观看级别的方法,视听内容的一些帧已经注明观看级别。在接收到视听内容后,已经注明了观看级别的帧被提取出来并显示在单一视图上。所显示的帧中的一帧由用户选择,将所选择帧的观看级别设定为所述视听内容的观看级别。

Description

设置视听内容观看级别的方法
技术领域
本发明涉及辅助家长控制领域,更具体地涉及应用于视听内容上的辅助家长控制。
背景技术
为了防止儿童观看不合适的视听内容,过去已经提出几个技术解决方案了。一种解决方案在于添加叠加在视频上的标识,以便向观众指示他要观看的内容的可能的攻击性质。该标识可以表明根据一个评级系统例如美国电影协会(MPAA)评级系统的评级(rating)。不过,无论所采用的评级系统作为一个规范的系统的精确度如何,因为人们有不同的敏感性,并不是所有的人针对相同的视听内容,会给出相同的评级。此外,评级系统只不过是一个最普通的标准。在理想的情况下,家长应该在形成视听内容是否适合自己的孩子的意见前,观看整个视听内容。问题是,它占用太多的时间,这使得该解决方案并不现实。但是,它显示出视听内容本身对于评价该视听内容的重要性。根据谚语“图像胜过千言万语”,在专利US6684240中描述的另一种解决方案在于根据示例内容设置父母锁级别。将视听内容102中提取的一个示例显示给用户,并且,根据该示例,用户决定是否阻止该视听内容的观看。当视听内容在其元数据中包含评级时,那么这个评级被保留,以备将来使用。当广播具有类似的评级的另外的视听内容时,上述这一视听内容被自动阻止。该解决方案的优势在于,家长并不需要知道可能是纷繁复杂的评级的含义,因为该示例的内容直接显示给他了这个含义。但是,可能发生由评级系统评定为相似等级的两部视听内容,例如在暴力程度上,被同一人认为不同。也可能发生视听内容没有评级。在这种情况下,父母只好采用观看整个视听内容的旧的解决方案,但家长又没有时间观看整个视听内容。最后,家长必须在两种解决方案之间进行选择,观看整个视听内容形成意见,或依赖于一个相对可靠的评级系统。
发明内容
本发明提出了一种用于设置视听内容观看级别的方法,其中所述视听内容包含分别与多个观看级别相关联的多个的帧,该方法包括以下步骤:显示所述多个帧中的两个或更多的帧,从显示帧中选择一帧,设置视听内容的观看级别为与所选择的帧相关联观看级别。
这样,生成表示视听内容的帧的单一视图。由于单一视图的结果,用户能够更迅速地决定哪个是正确的观看级别设置。
优选地,来自所述两个或更多所显示帧的帧与视听内容的视听段相关联。
有利的是,可在引入命令或显示步骤后播放视听内容的视听段。这允许用户通过更详细的方式来检查相关联的观看级别是否对应于他所期望的观看级别。
有利的是,将来自上述两个或更多所显示帧的几个帧分别关联到视听内容的若干视听段。
优选地,在显示步骤后,并且可选地,在引入命令后,视听段同时播放。
可选地,自动确定与每个帧相关联的观看级别。可替代地,可以手动输入。
有利的是,该方法包括设定初始观看级别的前一步骤。然后,该初始观看级别可以由用户使用,用于比较所述视听内容的内容和之前观看过的视听内容的内容。
优选地,按照观看级别增加的顺序显示所述两个或更多帧。通过这种方式,用户快速浏览所显示帧的攻击性范围。
有利的是,模糊显示属于所述两个或更多的帧并与高于初始观看级别的观看级别相关联的帧。通过这种方式,用户不用接触到对他而言过于攻击性的内容。
附图说明
图1示出一个允许实施本发明的系统;
图2示出一个允许根据暴力级别标准设置观看级别的用户界面。
具体实施方式
为了更好地理解,现在将参照附图在下面的描述中更详细地解释本发明。应理解,本发明并不限于所描述的实施例,在不脱离由所附的权利要求书中所限定的本发明的范围的情况下,也可以方便地对指定的特征进行组合和/或修改。
图1示出允许使用本发明的一个系统。接收器101接收视听内容102。视听内容102可被存储在经由网络103(例如互联网)链接到接收器的服务器上。该接收器包括存储器105。该存储器105能够存储接收到的视听内容102。视听内容102也可以存储在物理介质104(例如蓝光光盘)上。该接收器包括处理器107,它适合于在接收到存储在存储器105上的完备的指令集后,在呈现视听内容102前对其进行解码。可选地,所述接收器包括适用于读取存储在物理介质上104(例如蓝光阅读器)的视听内容102的介质读取器106。该系统包括用于呈现视听内容102的部件,例如显示器108和/或扬声器109。
视听内容102包括与观看级别202相关联的帧。观看级别202是指示视听内容102的一部分的攻击性程度的指示。观看级别202可以被关联到暴力级别。实际上观看级别202可与任何潜在对观众具有攻击性的内容相关联。观看级别202可以基于视听内容102的图像、音频部分、字幕的文本,或它们的任意组合。观看级别202可以例如采取以下形式:在一侧是攻击性内容的几个类别(例如暴力、色情、恐怖),在另一侧是与此类别相关联的值(这可以是例如由1到10之间的值组成的值:该值越大,相关联的内容根据所选择的类别的攻击性就越大)。
“Bonnie和Clyde” 与暴力标准相关联的观看级别值
图像1 7
图像2 6
图像3 2
图像n 4
视听内容102可包含分别与观看级别相关联的视听段和/或帧;帧和段两者被认为代表部分或全部视听内容102的攻击性程度。观看级别202可以是视听内容102本来就有的。例如,它可以是视听内容102的元数据的一部分。它也可以是早期在制作视听内容102的过程中手动注明的。段或帧也可以以自动的方式与观看级别相关联。如果观看级别202对应于例如暴力等级,那么将根据暴力等级对与暴力场景,和/或帧有关的视听段和/或帧进行检测并分级。允许进行这种检测的方法和技术是已知的,并且可以在例如Gong等人的Detecting Violent Scenes in Movies by Auditory and Visual Cues,9th PacificRim Conference on Multimedia,NatlCheng Kung Univ Tainan TAIWAN,DEC09-13,2008,pp.317-326中找到。
一旦视听内容102被接收器101接收,在由用户引入专用命令后,接收器中的处理器107运行存储在存储器105上的被称为“Watching_level_setter(观看等级设置器)”的程序。一旦“观看等级设置器”已经分析视听内容102,其中每个分别与观看等级202相关联的至少两个帧被显示在显示器上。然后,用户可以借助于专用命令203“选择级别”,选择哪个帧与他想设定的观看级别202对应。借助于帧的画面表达,可以使得用户更容易对设定的观看级别202的准确度有一个直观的概念。然后将所选择的观看级别202存储在存储器105中。所选择的观看级别202也可以与配置文件(profile)相关联。例如,如果三个用户User_A,User_B和User_C,各具有一个存储在存储器105中的配置文件,那么所选择的观看级别202可关联到用户User_B和User_C的配置文件。因此,具有比所选择的观看级别202更高的观看级别202的可供选择的视听内容102对于用户User_B和User_C是不可观看的。这可以通过阻止内容在显示器上再现到。例如,可供选择的另一个视听内容102可以被扰频。作为选择,可在显示屏上显示消息“攻击性内容”。
优选地,按照攻击性增加的顺序显示所显示的帧。例如,这可以通过沿一轴线显示这些帧来实现,位于一个最远侧的帧对应于低的观看级别202,位于另一个最远侧的帧对应于高的观看级别202。通过这种方式,用户得到视听内容102的攻击性范围的单一视图。如果,例如,所选择的标准是暴力性,那么用户得到视听内容102中包含的暴力范围的快速和单一视图。从而通过查看代表视听内容102中包含的暴力的帧,使得用户有信心的设置观看级别202。当评级可能是例如MPAA评级时,图像本身更代表攻击性内容。
优选地,每个显示的帧分别与视听内容102的视听段相关联。可选地,在选择所关联的所显示的帧之后播放视听内容102。播放视听段的优点是视听段比单个帧包含更多的信息。此外,可选地播放与视听段相关联的音频,用户可以直接注意到视听内容102中所包含的攻击性语言。可选地,在引入专用命令204后,播放与所选择的帧相关联的视听段。
优选地,同时播放分别与所有段相关联的视听段。通过这种方式,用户马上看出他想要设置观看级别202的场景在哪个级别上。可选地,扬声器上的声音静音。这允许用户评估视听内容102中包含的攻击性内容,而不被一起播放的音频轨道干扰。在显示帧的步骤或引入专用命令后,可以执行同时播放。
可以自动确定与段相关联的观看级别202。例如,这可以通过执行“观看级别设置器”程序来实现。该程序特别地实现上面提到的Gong等人的文章中的方法和技术,分析视听内容102。用户输入一个类别,例如暴力标准。提取代表暴力场景的帧,将观看级别202与每个提取的帧相关联。
可选地,可以手动确定与视听内容102的段相关联的观看级别202。当用户对视听内容102的内容非常了解的情况下,这可能是特别有利的,因为当用户已经知道哪个场景是例如暴力的,那么对他来说为他所已知的场景设置观看级别202是直观的。例如,如果用户回忆电影“沉默的羔羊”中的场景,他可能会选择一些场景,并为电影中的帧设置观看级别202。然后,这些观看级别202、相关联的帧以及攻击性类别—例如暴力—可以存储在存储器105中。借助于专用命令,用户选择一个场景,然后选择类别和值(例如:对应于场景1的帧,值5.75,暴力)。由于这些输入的数据存储在存储器105中,因此之后可以重新使用它们。用户标注的视听内容102越多,存储在存储器105上的数据越多。
结合自动和手动的标注也是可能的。
可选地,例如,可以通过使用专用命令,设置初始观看级别202。一旦设置此初始观看级别202,并且在分析新的视听内容102后,可屏蔽观看级别202比初始观看级别202高的视听段。
可选地,观看级别202可以与整个视听内容102相关联。例如,对应[“暴力”,8]的观看级别202可与电影“沉默的羔羊”相关联。该观看级别202指在从1延伸到10(10是最大的暴力)的等级中,电影“沉默的羔羊”被视为暴力值为8。
可选地,当显示帧时,在分析视听内容102后,确定指示观看级别202高于所显示帧的观看级别202的视听内容102的视听段的百分比的值,并显示该值。
可选地,一旦设置初始观看级别202,在引入新的视听内容102后,分析新的视听内容102,并且提取与视听段相关联的帧。显示这些帧中的部分或全部,这样,模糊显示那些观看级别202高于初始观看级别202的帧。通过这种方式,用户不会看到那些对他来说攻击性太大的帧或视听段。

Claims (11)

1.一种为视听内容(102)设置观看级别(202)的方法,其中,视听内容(102)包括多个帧,一个帧与一个观看级别相关联,观看级别是攻击类别和数值的对,并且其中,一个帧的观看级别可以与另一帧的观看级别不同,所述方法包括以下步骤:
显示多个帧中的两个或更多的帧,以允许用户来检查相关联的观看级别是否对应于预期的级别;
通过所述用户从所显示的帧中选择一帧;以及
设置视听内容(102)的观看级别(202)为与所选择的帧相关联的观看级别(202)。
2.如权利要求1的方法,其中,来自所述两个或更多的所显示的帧的一个帧与所述视听内容(102)的视听段相关联。
3.如权利要求2的方法,其中,在引入命令(204)或显示步骤后,播放所述视听内容(102)的视听段。
4.如权利要求2的方法,其中,将来自所述两个或更多的所显示的帧的几个帧分别关联到所述视听内容(102)的视听段。
5.如权利要求4的方法,其中,在显示步骤后,同时播放各视听段。
6.如权利要求4的方法,其中,在引入命令后,同时播放各视听段。
7.如权利要求1至6中任一项的方法,其中,自动确定与每个帧相关联的所述观看级别。
8.如权利要求1至6中任一项的方法,其中,手动输入与每个帧相关联的所述观看级别(202)。
9.如权利要求1至6中任一项的方法,包括设定初始观看级别的前一步骤。
10.如权利要求1至6中任一项的方法,其中,按照观看级别增加的顺序显示所述两个或更多的帧。
11.如权利要求9的方法,其中,模糊显示属于所述两个或更多的帧并与高于初始观看级别(202)的观看级别相关联的帧。
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