Zillow Group. has filed a patent for automated operations using images in building mapping. The method involves recording panorama images, analyzing visual data, generating room shapes, creating floor plans, providing guidance for additional image acquisition, and presenting visual representations to users for navigation. GlobalData’s report on Zillow Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Zillow Group, 3d modelling and rendering was a key innovation area identified from patents. Zillow Group's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

Automated generation of floor plans from building images

Source: United States Patent and Trademark Office (USPTO). Credit: Zillow Group Inc

The patent application (Publication Number: US20240029352A1) describes a computer-implemented method for generating floor plans of buildings using mobile computing devices equipped with cameras. The method involves recording panorama images in multiple rooms, analyzing the visual data to generate room shapes, combining shapes for rooms with multiple acquisition locations, and selecting shapes for rooms with single acquisition locations. The generated partial floor plan includes room shapes positioned relative to each other, with uncertainty information about wall positioning. Additional acquisition locations are identified based on uncertainty information to reduce uncertainty. The method also includes presenting visual representations of the floor plan, recording additional images, analyzing the data to generate additional room shapes, and presenting an updated visual representation of the completed floor plan for navigation.

Furthermore, the method includes generating additional mapping information such as a three-dimensional model or virtual tour, presenting information to additional users, and updating information based on user interactions. The system comprises hardware processors and memories with stored instructions to perform automated operations for acquiring images, analyzing visual data, generating room shapes, creating a partial floor plan, determining guidance for additional acquisition locations, and providing information to enable the acquisition of additional images for a complete floor plan. The system can be used on mobile computing devices, includes segmentation masks for room areas, and determines relative positioning based on visual overlap between images. The system also identifies problems in visual data, provides instructions for corrections, and enables user interactions with the presented mapping information.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.