Photographing guiding method and apparatus, and electronic device and storage medium

Patent metadata

Field	Value
Publication number	US-12477215-B2
Application number	US-202218571072-A
Country	US
Kind code	B2
Filing date	Aug 25, 2022
Priority date	Sep 7, 2021
Publication date	Nov 18, 2025
Grant date	Nov 18, 2025

Abstract

A photographing guiding method and apparatus, and electronic device and storage medium are provided. The photographing guiding method includes: determining a physical position of an object to be modeled according to a physical position of a capturing apparatus; determining a virtual polyhedron which matches the object to be modeled according to the physical position of the object to be modeled; based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles.

First claim

The invention claimed is:

1 . A photographing guiding method, wherein the method comprises:
determining a physical position of an object to be modeled according to a physical position of a capturing apparatus; determining a virtual polyhedron which matches the object to be modeled according to the physical position of the object to be modeled; based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, wherein a face composing the virtual polyhedron represents the capturing viewing angle required to capture for the object to be modeled, and a number of the faces composing the virtual polyhedron represents a number of the photos required to capture for the object to be modeled.

2 . The method according to claim 1 , wherein the determining a physical position of an object to be modeled according to a physical position of a capturing apparatus, comprises:
in a case where the capturing apparatus is located at a position of the object to be modeled, determining the physical position of the capturing apparatus based on a presetting algorithm; determining the physical position of the capturing apparatus as the physical position of the object to be modeled.

3 . The method according to claim 2 , wherein the based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, comprises:
preforming a first prompting to prompt a user to align a capturing focus of the capturing apparatus with a target face composing the virtual polyhedron; in response to a photographing operation for the target face through the capturing apparatus, controlling a color of the target face to change so as to prompt the user to align the capturing focus of the capturing apparatus with other faces composing the virtual polyhedron.

4 . The method according to claim 2 , wherein the based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, comprises:
in a case where the virtual polyhedron is beyond the capturing page, performing a second prompting to prompt a user to move the capturing apparatus close to an object to be captured; in a case where an area of the capturing page occupied by the virtual polyhedron is less than a setting value, performing a third prompting to prompt the user to move the capturing apparatus away from the object to be captured.

5 . The method according to claim 1 , wherein the determining a physical position of an object to be modeled according to a physical position of a capturing apparatus, comprises:
photographing the object to be modeled through the capturing apparatus, and obtaining a capturing image of the object to be modeled; determining the physical position of the capturing apparatus based on a presetting algorithm; performing an image analyzing on the capturing image, and determining a relative position relationship between the object to be modeled and the capturing apparatus; determining the physical position of the object to be modeled according to the physical position of the capturing apparatus and the relative position relationship.

6 . The method according to claim 5 , wherein the based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, comprises:
preforming a first prompting to prompt a user to align a capturing focus of the capturing apparatus with a target face composing the virtual polyhedron; in response to a photographing operation for the target face through the capturing apparatus, controlling a color of the target face to change so as to prompt the user to align the capturing focus of the capturing apparatus with other faces composing the virtual polyhedron.

7 . The method according to claim 5 , wherein the based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, comprises:
in a case where the virtual polyhedron is beyond the capturing page, performing a second prompting to prompt a user to move the capturing apparatus close to an object to be captured; in a case where an area of the capturing page occupied by the virtual polyhedron is less than a setting value, performing a third prompting to prompt the user to move the capturing apparatus away from the object to be captured.

8 . The method according to claim 1 , wherein the determining a virtual polyhedron which matches the object to be modeled according to the physical position of the object to be modeled, comprises:
determining a plurality of circles on a setting plane according to the physical position and shape characteristics of the object to be modeled; determining a plurality of faces according to the plurality of circles on the setting plane; composing the virtual polyhedron based on the plurality of faces.

9 . The method according to claim 8 , wherein the determining a plurality of circles on a setting plane according to the physical position and shape characteristics of the object to be modeled, comprises:
determining a first circle in a horizontal plane by using the physical position of the object to be modeled as a first circle center, and a first presetting value as a first radius; obtaining a second circle center by moving the first circle center in an opposite direction of a gravity direction by a presetting distance; determining a second circle in a horizontal plane by using the second circle center as a circle center, and a second presetting value as a second radius; wherein the plurality of circles comprises the first circle and the second circle, and the first presetting value, the presetting distance and the second presetting value are determined according to the shape characteristics of the object to be modeled.

10 . The method according to claim 9 , wherein the determining a plurality of faces according to the plurality of circles on the setting plane, comprises:
determining a presetting number of points on a first circular arc of the first circle; determining the presetting number of points on a second circular arc of the second circle; connecting the points on the first circular arc with the points on the second circular arc one by one to form the plurality of faces; wherein the presetting number is determined according to the shape characteristics of the object to be modeled.

11 . The method according to claim 10 , wherein the based on an augmented reality AR technology, displaying the virtual polyhedron on a capturing page of the capturing apparatus, to perform a photographing guiding based on the virtual polyhedron and obtain photos of the object to be modeled from different capturing viewing angles, comprises:
preforming a first prompting to prompt a user to align a capturing focus of the capturing apparatus with a target face composing the virtual polyhedron; i

Assignees

• Beijing Zitiao Network Technology Co Ltd

Inventors

• Hao Yipeng
• Chen Yi
• Chen Yepeng

Classifications

• G06T19/006

  Mixed reality (object pose determination, tracking or camera calibration for mixed reality G06T7/00) · CPC title

• G06T17/05

  Geographic models · CPC title

• G06T7/60

  Analysis of geometric attributes · CPC title

• G06T7/75

  involving models · CPC title

• G06T19/00

  Manipulating three-dimensional [3D] models or images for computer graphics · CPC title