CN107180209B - 交互面上物体姿态识别系统 - Google Patents
交互面上物体姿态识别系统 Download PDFInfo
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Abstract
为了让一个交互面能探测到其上物体的朝向或姿态,提供一种交互面上物体姿态识别系统,含有内置有射频身份识别标签的物体和一个交互面,含有主机、存储器、输出模块、传感器阵列,传感器阵列探测置于交互面上的物体,其不同位置上有多个识别端,识别端随物体置于交互面上,主机经所述传感器探测获得不同的识别值;不同的识别端有不同可视标记;存储器内预先存有标签信息、不同的识别值信息、物体的各个识别端的朝向信息和输出模块所输出的预设输出信息,以及各信息之间预设的对应关系;当物体放在交互面上时,传感器阵列把探测到物体的识别值传输给主机,主机根据识别值和对应关系来识别物体的朝向,进而指令输出模块给出对应的所述输出信息。
Description
技术领域
本发明提供一种交互面上物体姿态识别系统,涉及射频身份识别(RFID)标签技术和电容传感技术。
背景技术
以往的交互面游戏,比如电子棋盘、电子麻将等电子桌面游戏中,棋子的姿态、朝向,比如是否正反面,系统处理器和传感器都是难以把握的,多数都是靠用户人工去摆放或肉眼识别,游戏的智能性不够,还增加了用户的工作量。
发明内容
为解决上述问题,现提供一种交互面上物体姿态识别系统,含有内置有射频身份识别标签的物体和一个交互面,交互面含有主机、存储器、输出模块、传感器阵列,传感器阵列探测置于交互面上的物体。
总体方案是:
物体不同位置上有多个识别端,当某一个识别端随物体置于交互面上时,主机经传感器探测获得该识别端的识别值;对应不同的识别值,各识别端上有不同可视标记;
存储器内预先存有标签信息、多个识别端的识别值信息、物体上各个识别端的朝向信息和输出模块所输出的预设输出信息,以及各信息之间预设的对应关系;
其中,当物体放在交互面上时,传感器阵列探测到物体的识别值、并把该探测识别值传输给主机,主机从所有预设识别值中选出最符合该探测识别值的一组、并根据其对应关系来识别物体的朝向,进而指令输出模块给出输出信息。
当物体上安装,比如涂敷上一种电容耦合程度与物体本体不同的弱导电材料以区分各个识别端时:
物体上各识别端的表面上或邻近部位安装以电容耦合程度与物体本体在成份上不同的物质,每块物质可以是一种弱导电材料,每个识别端上安装的材料的图案、面积、厚度、或图案面积厚度的组合,都部分或全部不同。这种弱导电材料的阻值,以当诸如手等外物触压物体上未与电容触片阵列接触的那个识别端时,使该端经弱导电材料和物体上与电容触片阵列接触的那个识别端,也能同电容触片阵列发生电容耦合为目的而设置在一定范围内。这个范围根据实际情况有所不同,比如材料的图案、面积、厚度或图案面积厚度,以及其他要素的组合,在本专利中不做限定。
传感器阵列为电容触片阵列;不同的识别值为不同识别端置于交互面上时所对应产生的不同的电容值组;主机凭对应关系和电容值组区分不同的识别端。
当物体上的多个识别端为二个面,比如物体为一张卡片的形状,如一面是本体,为扁平的绝缘塑料片,而另一面的物质的成份为一定电阻值范围内的弱导电塑料,它包裹着作为本体的绝缘塑料片,尤其是本体的边缘被弱导电塑料所包裹,而本体留一个面不被包裹;
当物体的一个面放置于交互面上时,与交互面接触的只有弱导电塑料;当物体的另一个面放置于交互面上时,与交互面接触的是本体和弱导电塑料。
当在各个识别端上安装射频标签以区分各识别端时:多个识别端上安装以标签,多个标签之间有电磁屏蔽;传感器阵列为射频身份识别天线阵列;不同的识别值为不同识别端置于交互面上时所对应读取的不同的身份;主机凭对应关系和身份区分不同的识别端。
电磁屏蔽的措施为设置电磁波吸波层和/或导体层。
这种交互面上物体姿态识别系统运行的方法如下:
步骤一,开启交互面上物体姿态识别系统;
步骤二,传感器阵列探测放置于交互面上的物体,识别物体的身份和识别端的识别值;
步骤三,从预存的识别值信息中选取最符合探测到的所述识别值的一组;
步骤四,基于对应关系,识别物体的朝向;
步骤五,根据朝向,并基于对应关系,指令输出模块给出输出信息。
当物体上涂敷一种电容耦合程度与物体本体不同的材料以区分各个识别端时:其中步骤二中探测为识别天线阵列跟物体的标签发生感应耦合,以及,电容触片阵列跟识别端上材料发生电容耦合。
当在各个识别端上安装射频标签以区分各识别端时:其中步骤二,为识别天线阵列探测识别端上的标签。
当识别物体朝向或姿态后,需要向系统外部发送一个音频提示时:其中步骤五,为主机从存储器中的数据库里调取一个语音文件,通过一个声音播放器向用户发出一句提问。
综上所述的设计,可以让系统自动识别物体的姿态和朝向,为整个比如游戏系统提供更多智能性的组合的可能,不仅好玩还让用户感到省心。
附图说明
图1是本发明总体示意图。
图2是识别端表面涂敷电容耦合程度与物体本体不同的材料示意图。
图3是当各识别端安装射频标签以区分时的示意图。
图4是图2的俯视图。
图5是当物体为卡片形状且只有两个识别端时的一个实施例。
图6是图5中卡片的两面分别放置于交互面上时的剖面图。
具体实施方式
现提供一种交互面1上物体2姿态识别系统,含有内置有射频身份识别标签10的物体2和一个交互面1,交互面1含有主机、存储器、输出模块3、传感器阵列6。这个物体2,比如一颗棋子放在交互面1,比如电子交互式棋盘上时,它跨越传感器阵列6中的多个传感器,传感器阵列6则探测置于交互式棋盘上的棋子。通过人工多次把棋子同一面4a或4b放置在棋盘不同位置上,针对这个棋子的这一面,棋盘中的主机即可获得一组特有的因感应耦合而产生的识别值,并存储起来,两者即形成一种对应关系。当这个棋子再次放置到棋盘上时,主机即可根据已经提前测量并已存储的那一组识别值来识别这个棋子的这一个面了。如果针对每一颗棋子的每一面都这么做,使得每个棋子的每一个识别端(即棋子的某一面)放在交互棋盘上被探测、读取,那么即可通过获取探测这一组组棋子的感应值,来识别不同棋子的不同的面。
总体方案是:
如图1,物体2不同位置上有多个识别端4(以2个识别端为例,如识别端4a和识别端4b,当然也可以是多个识别端、多个面),当一个识别端4随物体2置于交互面1上被传感器探测时,主机获得识别端4的识别值;对应不同的识别值,各识别端4上有不同标记5,这些标记5上具有可视的信息标记,比如印刷好的心脏、太阳等图案;
存储器内预先存有射频标签信息,多个识别端4彼此不同的识别值信息、物体2上各个识别端的朝向信息(比如朝上或者朝下)、和输出模块3(如音频播放器)所输出的预设输出信息(如一个音频文件),以及各信息之间预设的对应关系;
其中,当物体2放在交互面1上时,传感器阵列6把探测到物体2的识别值传输给主机(如图1、2、3、4、5中密集的椭圆虚线框和平行四边形虚线框即为传感器阵列6),主机根据识别值最符合预设的那一组识别值和对应关系来识别物体2的朝向,进而指令输出模块3给出输出信息。
由于物体2放在交互面1上时,各面的值大小不同并已经被预先记录,所以,当物体2上一个识别端4,比如棋子的一个面放置在交互面1上即紧贴时,这个面相对于其他面被读取的信号值为最符合预设值。
当物体2上涂敷一种电容耦合程度与物体2本体不同的弱导电材料7以区分各个识别端4时,如图2,物体2上各识别端4的表面上或邻近部位安装以电容耦合程度与物体2的本体在成份上不同的物质,每块物质可以是一种弱导电材料,比如物体2上各识别端4的表面上或邻近部位安装以电容耦合程度与物体2本体所不同的弱导电材料7,每个识别端4上安装的材料7的图案、面积、厚度或图案面积厚度这些参数的组合,都部分或全部不同,比如识别端4a上图案为O,识别端4b上图案为XX,这些参数的设定不同唯一目的在于使不同识别端4上的材料7放置于交互面1上时产生不同的电容耦合值组,从而具有唯一性身份识别属性。
显而易见地,在设计整个系统时,前述的弱导电材料必须处于一定阻值范围内。这种弱导电材料7的阻值应当以当诸如手等外物触压物体2上未与电容触片阵列8接触的那个识别端时,使该端经弱导电材料7和物体2上与电容触片阵列8接触的那个识别端,也能同电容触片阵列8发生电容耦合为目的而设置在一定范围内。这个范围根据实际情况有所不同,比如材料的图案、面积、厚度或图案面积厚度,以及其他要素的组合,在本专利中不做限定。
传感器阵列6中的电容触片8阵列(如图1、2、3、4、5中密集的虚线椭圆)耦合出不同的识别值为不同识别端4置于交互面1上时所对应产生的不同的电容耦合值组;主机凭对应关系和电容值组区分不同的识别端4,如图2。
换言之,当传感器阵列6具体化为电容触片8阵列时,物体2上的一个识别端4,如图2中的一个面4b接触交互面1(比如一块交互式棋盘),以这种朝向摆放在交互面1上,由于物体2(如一枚棋子)上这一面的XX形电容感应片,即材料7的存在,电容触片8阵列则读到一组电容值。图4作为图2的俯视图,可以更加清晰地看到:如果把这枚棋子放置于棋盘上不同位置,则分别读到一组组电容值,那么多组识别值则构成这枚棋子的特有属性(比如:某一个平均识别值),而这个平均识别值与这个XX形电容感应片的材质(比如某种导体或一定表面电阻阻值范围内的某种弱导电体都可以)、厚度、形状、面积等要素是相关的。如果改变这个电容感应片的图案、面积、厚度、或图案面积厚度的组合后放置于棋盘上时,则电容触片8阵列就可以耦合得到多种棋子或每个棋子上多个识别面4的数据组,从而构建每一个识别面的唯一性,进而构建每一个棋子的唯一性。
当物体2上的多个识别端4为二个面,比如物体2为一张卡片的形状,比如一面是本体12,为扁平的绝缘塑料片,而另一面上,材料7为一定电阻值范围内的弱导电塑料,它包裹着作为本体12的绝缘塑料片,尤其是本体12的边缘被弱导电塑料所包裹,而本体12留一个面不被包裹,形成一个“回”字图案,如图5和图6。
当卡片的一个面放置于交互面1上时,与交互面1接触的只有弱导电塑料(即材料7),此时主机可得到材料7与电容触片8阵列之间的一个相对稳定范围内的电容耦合值组。
当卡片的另一个面放置于交互面1上时,与交互面1接触的是本体12和弱导电塑料,此时主机可得到材料7和本体12一起作为一个面,与电容触片8阵列之间的另一个相对稳定范围内的电容耦合值组。
卡片的两面,即物体2的不同识别端4分别倒转放置于交互面1上时的两种情形如图6所示的两个剖面图。图中卡片两面翻转,那么电容触片8阵列所得到两组电容耦合值肯定彼此不同。以及,随着“回”字或类似图案、弱导电塑料厚度、形状等要素的不同变化,都使卡片的两个面相对于电容触片8阵列而言,具备了不同的感应电容耦合值组,从而具备了可识别性,进而具备了唯一身份属性。
上述电容触片8阵列通过探知电容值组、并构建了每一个棋子及其不同侧面的唯一性之后,存入交互面1(亦即棋盘)中的存储器中。当下次这个棋子以其某一个面接触棋盘时,主机即可调取预先存储的数据组与新测得的感应值进行比较、判断,从而识别棋子的哪一面端接触了交互板1,进而判定这个棋子在棋盘上的朝向、姿态。
图5、图6中标签10,是用于交互面1识别不同的物体2的,当在各个识别端4上都安装射频标签10以区分各识别端4时:如图3,多个识别端4上(比如棋子上某一端的表面或其邻近部位)分别都安装以标签10,则多个标签10之间还得有电磁屏蔽11;传感器阵列6中的射频身份识别天线9阵列(如图1、2、3、4、5中密集的平行四边形虚线框)测得的不同的识别值为不同识别端4置于交互面1上时所对应读取的不同的身份;主机凭对应关系和身份区分不同的识别端4。
电磁屏蔽11的措施为设置电磁波吸波层和/或导体层,如图3。有了这种屏蔽层,当交互面1上的传感器探测、读取一个识别端4a上的射频标签时,就会避免误读另一个识别端4b了。这种类似于隐形战机外表涂层的物质,吸收大部分电磁波,反射掉剩余的小部分,让涂层后的部件不被探测。
如此,就避免了一个棋子上的一端被棋盘识别时其余端被误读。加上每一端都安装了射频识别标签,身份都具有唯一性,这样棋盘就能轻易识别其上放置的棋子的身份、姿态或朝向了。
这种交互面1上物体2姿态识别系统运行的方法如下:
步骤一,开启交互面1上物体2姿态识别系统;
步骤二,传感器阵列6探测放置于交互面1上的物体2,识别物体2的身份和识别端4的识别值;
步骤三,从预存的识别值信息中选取最符合探测到的所述识别值的一组;
步骤四,基于对应关系,识别物体2的朝向;
步骤五,根据朝向,并基于对应关系,指令输出模块3给出输出信息。
当物体2上涂敷一种电容耦合程度与物体2本体不同的材料7以区分各个识别端4时:其中步骤二中探测为识别天线9阵列跟物体2的标签发生感应耦合,以及,电容触片8阵列跟识别端4上材料7发生电容耦合。所谓耦合的过程,即探测的过程。
当在各个识别端4上安装射频标签以区分各识别端4时:其中步骤二,为识别天线9阵列探测识别端4上的标签。
当传感器识别到了物体2的朝向或姿态后,需要向系统外部或下一个工作模块发送一个音频提示时:其中步骤五,为主机从存储器中的数据库里调取一个语音文件,通过一个声音播放器向用户发出一句提问,这是游戏中常见的步骤,起到承上启下作用。
Claims (5)
1.一种交互面上物体姿态识别系统,含有内置有射频身份识别标签的物体和一个交互面,所述交互面含有主机、存储器、输出模块、传感器阵列,所述传感器阵列探测置于所述交互面上的所述物体,其特征在于:
所述物体不同位置上有多个识别端,各所述识别端的表面上或邻近部位安装以电容耦合程度与所述物体本体在成份上不同的物质,每块所述物质的图案、面积、厚度或图案面积厚度的组合都部分或全部不同;当一个所述识别端随所述物体置于所述交互面上时,所述主机经所述传感器探测获得该识别端的识别值;不同的所述识别端有不同可视标记;
所述存储器内预先存有所述标签信息、所述多个识别端的识别值信息、所述物体的各个识别端的朝向信息和所述输出模块所输出的预设输出信息,以及各所述信息之间预设的对应关系;
所述传感器阵列为电容触片阵列;所述识别值为不同识别端置于所述交互面上时所对应产生的不同的电容值组;所述主机凭所述对应关系和所述电容值组区分不同的所述识别端;
其中,当所述物体放在所述交互面上时,所述传感器阵列把探测到所述物体的识别值传输给所述主机,所述主机根据所述识别值和所述对应关系来识别所述物体的朝向,进而指令所述输出模块给出对应的所述输出信息。
2.根据权利要求1所述的交互面上物体姿态识别系统,其特征在于:
所述多个识别端为二个面;所述本体为扁平形状的绝缘塑料;所述物质为弱导电塑料;
所述表面上或邻近部位安装,为所述弱导电塑料包裹所述本体,尤其是所述本体的边缘被所述弱导电塑料所包裹,所述本体留一个所述面不被包裹;
当所述物体的一个所述面放置于所述交互面上时,与所述交互面接触的只有所述弱导电塑料;当所述物体的另一个所述面放置于所述交互面上时,与所述交互面接触的是所述本体和所述弱导电塑料。
3.一种交互面上物体姿态识别系统运行的方法,所述系统含有内置有射频身份识别标签的物体和一个交互面,所述交互面含有主机、存储器、输出模块、传感器阵列,所述传感器阵列探测置于所述交互面上的所述物体,其特征在于:
所述物体不同位置上有多个识别端,各所述识别端的表面上或邻近部位安装以电容耦合程度与所述物体本体在成份上不同的物质,每块所述物质的图案、面积、厚度或图案面积厚度的组合都部分或全部不同;所述识别端随所述物体置于所述交互面上,所述主机由所述传感器探测获得不同的识别值;不同的所述识别端有不同标记;
所述存储器内预先存有所述标签信息、所述不同的识别值信息、所述物体的各个识别端的朝向信息和所述输出模块所输出的预设输出信息,以及各所述信息之间预设的对应关系;
所述传感器阵列为电容触片阵列;所述识别值为不同识别端置于所述交互面上时所对应产生的不同的电容值组;所述主机凭所述对应关系和所述电容值组区分不同的所述识别端;
步骤一,开启所述交互面上物体姿态识别系统;
步骤二,所述传感器阵列探测放置于所述交互面上的所述物体,识别所述物体的所述识别值;
步骤三,从预存的识别值信息中选取最符合探测到的所述识别值的一组;
步骤四,基于所述对应关系,识别所述物体的所述朝向;
步骤五,根据所述朝向,并基于所述对应关系,指令所述输出模块给出所述输出信息。
4.根据权利要求3所述的方法,其特征在于:
所述步骤二中所述探测为所述电容触片阵列跟所述识别端发生电容耦合。
5.根据权利要求3所述的方法,其特征在于:
所述步骤五,为所述主机从所述存储器中的数据库里调取一个语音文件,通过一个声音播放器对外播放。
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