Information processing device, information processing method, and computer program

Abstract

An information processing device according to the present technology includes an action recognition unit that recognizes an operation action of a user based on sensor information, and an action representation generation unit that analyzes operation action data showing the operation action of the user recognized by the action recognition unit to generate an action segment represented by a meaning and content of the operation action from the operation action data.

1 . An information processing device comprising:
 an action recognition unit that recognizes an operation action of a user based on sensor information; and   an action representation generation unit that analyzes operation action data showing the operation action of the user recognized by the action recognition unit to generate an action segment represented by a meaning and content of the operation action from the operation action data.   
     
     
         2 . The information processing device according to  claim 1 ,
 wherein dictionary data defining a relation of the higher meaning and content for the operation action is held, and   wherein the action representation generation unit estimates the meaning and content of the operation action from relations before and after the operation action data arranged chronologically based on the dictionary data to generate the action segment.   
     
     
         3 . The information processing device according to  claim 1 ,
 wherein the action representation generation unit estimates the meaning and content of the operation action in accordance with a time period and a time of the operation action data to be analyzed to generate the action segment.   
     
     
         4 . The information processing device according to  claim 1 ,
 wherein the action representation generation unit estimates the meaning and content of the operation action in accordance with positions of the operation action data before and after the operation action data to be analyzed to generate the action segment.   
     
     
         5 . The information processing device according to  claim 1 ,
 wherein hierarchical information showing a hierarchical relationship about the meaning and content is attached to the action segment.   
     
     
         6 . The information processing device according to  claim 5 ,
 wherein the action representation generation unit displays the action segments based on a segmentation grain size deciding roughness of segmentation of the action segments and the hierarchical information.   
     
     
         7 . The information processing device according to  claim 6 ,
 wherein the action representation generation unit combines or divides the action segments based on a size of the segmentation grain size and displays the combined or divided action segments.   
     
     
         8 . The information processing device according to  claim 1 , further comprising:
 a typical action pattern generation unit that extracts one action pattern from a plurality of action segment groups including the action segments of a predetermined unit based on a correlation between the action segments.   
     
     
         9 . The information processing device according to  claim 1 ,
 wherein the action representation generation unit displays, in a display unit, the action segments represented at least by a start time, an end time, position information, and operation content of the operation action by chronologically arranging the action segments.   
     
     
         10 . The information processing device according to  claim 1 , further comprising:
 a feedback adjustment unit that corrects operation action estimation information that decides the operation action based on correction feedback from the user to the action segment generated by the action representation generation unit,   wherein the action representation generation unit generates the action segment constituting an action log from the operation action data based on the operation action estimation data, and   wherein the feedback adjustment unit corrects the operation action estimation information based on the correction feedback.   
     
     
         11 . An information processing device comprising:
 an action recognition unit that recognizes an operation action of a user based on sensor information;   an action representation generation unit that generates an action segment constituting an action log from operation action data showing the operation action of the user recognized by the action recognition unit based on operation action estimation information that decides the operation action; and   a feedback adjustment unit that corrects the operation action estimation information based on correction feedback from the user to the action segment generated by the action representation generation unit.   
     
     
         12 . The information processing device according to  claim 11 ,
 wherein the operation action estimation information includes a plurality of combinations of a probability distribution and a weighting factor depending on a location for a plurality of the operation actions, and   wherein the feedback adjustment unit corrects the probability distribution or the weighting factor for each of the operation actions based on the correction feedback.   
     
     
         13 . The information processing device according to  claim 12 ,
 wherein, when the correction feedback concerns action content, the feedback adjustment unit corrects the probability distribution of the operation action estimation information in accordance with content of the correction feedback.   
     
     
         14 . The information processing device according to  claim 12 ,
 wherein, when the correction feedback concerns the location, the feedback adjustment unit corrects the weighting factor of the operation action estimation information in accordance with content of the correction feedback.   
     
     
         15 . An information processing method comprising:
 a step for recognizing an operation action of a user based on sensor information; and   a step for analyzing operation action data showing the recognized operation action of the user to generate an action segment represented by a meaning and content of the operation action from the operation action data.   
     
     
         16 . An information processing method comprising:
 a step for recognizing an operation action of a user based on sensor information;   a step for generating an action segment constituting an action log from operation action data showing the recognized operation action of the user based on operation action estimation information that decides the operation action; and   a step for correcting the operation action estimation information based on correction feedback from the user to the action segment.   
     
     
         17 . A computer program for causing a computer to function as an information processing device comprising:
 an action recognition unit that recognizes an operation action of a user based on sensor information; and   an action representation generation unit that analyzes operation action data showing the operation action of the user recognized by the action recognition unit to generate an action segment represented by a meaning and content of the operation action from the operation action data.   
     
     
         18 . A computer program for causing a computer to function as an information processing device comprising:
 an action recognition unit that recognizes an operation action of a user based on sensor information;   an action representation generation unit that generates an action segment constituting an action log from operation action data showing the operation action of the user recognized by the action recognition unit based on operation action estimation information that decides the operation action; and   a feedback adjustment unit that corrects the operation action estimation information based on correction feedback from the user to the action segment generated by the action representation generation unit.