Image processing device, image processing method, and recording medium

Abstract

An image processing device (3000) comprises an input unit (3020) and a presentation unit (3040). The input unit (3020) accepts an input of an operation for movement, on a captured image captured by a camera, of a first image which is superimposed on the captured image on the basis of a predetermined camera parameter indicating the position and attitude of the camera and which indicates a target object having a predetermined shape and a predetermined size set in a real space. The presentation unit (3040) presents the first image indicating the target object in a manner of view corresponding to a position on the captured image after the movement on the basis of the camera parameter.

1 - 15 . (canceled) 
     
     
         16 . An image processing device comprising:
 at least one memory storing instructions;   at least one processor configured to process the instructions to:
 acquire a line indicating a person in a captured image as a calibration pattern; 
 calculate an error between two-dimensional coordinates upon projecting three-dimensional coordinates of the calibration pattern in a real world in the captured image and two-dimensional coordinates of the calibration pattern appearing in the captured image; and 
 present information relating to the error calculated around the person in the captured image. 
   
     
     
         17 . The image processing device according to  16 , wherein the line connects between a feet and a head of the person in the captured image. 
     
     
         18 . The image processing device according to  16 , wherein the presenting further comprising acquiring pieces of information of different heights for a plurality of areas in the captured image, respectively, as height information of second position in the real world corresponding to first position in the captured image. 
     
     
         19 . An image processing method comprising:
 acquiring a line indicating a person in a captured image as a calibration pattern;   calculating an error between two-dimensional coordinates upon projecting three-dimensional coordinates of the calibration pattern in a real world in the captured image and two-dimensional coordinates of the calibration pattern appearing in the captured image; and   presenting information relating to the error calculated around the person in the captured image.   
     
     
         20 . The image processing method according to  claim 19 , wherein the line connects between a feet and a head of the person in the captured image. 
     
     
         21 . The image processing method according to  claim 19 , wherein the presenting further comprising acquiring pieces of information of different heights for a plurality of areas in the captured image, respectively, as height information of second position in the real world corresponding to first position in the captured image. 
     
     
         22 . A non-transitory computer readable storage medium that records a program for causing a computer to execute processing of:
 acquiring a line indicating a person in a captured image as a calibration pattern;   calculating an error between two-dimensional coordinates upon projecting three-dimensional coordinates of the calibration pattern in a real world in the captured image and two-dimensional coordinates of the calibration pattern appearing in the captured image; and   presenting information relating to the error calculated around the person in the captured image.   
     
     
         23 . The storage medium according to  claim 22 , wherein the line connects between a feet and a head of the person in the captured image. 
     
     
         24 . The storage medium according to  claim 22 , wherein the presenting further comprising acquiring pieces of information of different heights for a plurality of areas in the captured image, respectively, as height information of second position in the real world corresponding to first position in the captured image.