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House type graph-based house point cloud model generation method and apparatus

A point cloud model and generation device technology, applied in the field of image processing, can solve the problems of low efficiency, large workload and high cost, and achieve the effects of high efficiency, improved efficiency and low cost

Active Publication Date: 2019-12-31
广东维美家科技有限公司
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Problems solved by technology

However, in this way, details are easy to be missing. If all the details in reality are expressed through blocks, it will bring a huge workload
At the same time, the existing technology cannot render the color performance of the real world very well. The reason for this result is that there are defects in the inherent data representation form of the volume model, and the triangular surface data required in the volume model cannot express mm-level Details may cause the design to fail to connect well with the site, affecting subsequent design and construction efficiency
In addition, in the existing technology, the 3D point cloud data of the building is also collected by hardware to construct a 3D model, but this method is costly and needs to be collected on site, the workload is large, and the efficiency is not high

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  • House type graph-based house point cloud model generation method and apparatus
  • House type graph-based house point cloud model generation method and apparatus

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0033] see figure 1 , is a schematic flowchart of a method for generating a house point cloud model based on a floor plan provided by an embodiment of the present application, including:

[0034] Step S11, obtaining the floor plan of the building.

[0035] In this embodiment, different image areas in the floor plan have different RGB color values. Each image area represents the wall, door and window of the building respectively.

[0036] Step S12, traversing each image pixel of t...

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Abstract

The invention discloses a house type graph-based house point cloud model generation method and apparatus. The method comprises the steps of obtaining a planar house type graph of a building; traversing each image pixel point of the plane house type image, and determining an image category to which each image pixel point belongs according to the RGB color value of each image pixel point; acquiringpoint cloud data of the image category according to each image pixel point under the image category and a preset height value corresponding to the image category; and generating a house point cloud model according to the point cloud data of each image category. By adopting an existing planar graph file, the relationship between the planar graph and the space is distinguished by utilizing geometricfeature statistical learning, so that the point cloud model of a house can be obtained without any hardware, cost is lower and efficiency is higher. The point cloud model generated through the pointcloud data has more advantages in later rendering and detail expression compared with a body block model, and the design and construction efficiency can be further improved.

Description

technical field [0001] The present application relates to the technical field of image processing, and in particular to a method and device for generating a house point cloud model based on a floor plan. Background technique [0002] For better interior design, it is necessary to construct a three-dimensional model of the building. Existing methods for building 3D models usually express physical buildings in reality in the form of blocks. However, in this way, details are easy to be missing. If all the details in reality are expressed through blocks, it will bring a huge workload. At the same time, the existing technology cannot render the color performance of the real world very well. The reason for this result is that there are defects in the innate data representation form of the volume model, and at the same time, the triangular surface data required in the volume model cannot express mm-level The details may lead to the fact that the design may not be well connected t...

Claims

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Application Information

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IPC IPC(8): G06T17/10
CPCG06T17/10
Inventor 周佛灵
Owner 广东维美家科技有限公司
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