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Processing method of geometric image and device thereof

A geometric image and processing method technology, applied in the field of image processing, can solve problems that cannot be solved effectively by model coding and transmission technology, and achieve the effect of fast cutting and stitching and construction

Active Publication Date: 2014-06-25
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] These objects in nature are expressed as objects in computer terms. How can these objects with their own characteristics be normalized? How can we find a model and normalize all objects according to this model? This is a very difficult problem, so Model-based coding and transmission technology cannot effectively solve current problems; it cannot effectively establish a multi-level parametric model with structural features (such as feature points, feature lines, feature surfaces, etc.) for specific complex flexible objects, so as to eliminate Solve the problem of representing complex shapes with a small number of parameters and necessary features; for discrete digital geometric data, especially complex geometric structures, how to construct its continuous representation has not been resolved

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  • Processing method of geometric image and device thereof

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Embodiment Construction

[0050]The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0051] figure 2 is a schematic flowchart of the geometric image processing method according to the embodiment of the present invention, such as figure 2 As shown, the method includes:

[0052] S201, perform discrete parameterization on natural objects to generate a geometric image sequence;

[0053] S202, encoding and transmitting the geometric image sequence;

[0054] S203, process the images in the geometric image sequence and g...

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Abstract

The embodiment of the invention discloses a processing method of a geometric image and a device thereof. The method comprises the following steps that: discrete parameterization is carried out to a natural object, and a geometric image sequence is generated; the geometric image sequence is encoded and transmitted; and images in the geometric image sequence are processed and code stream is generated. The method and the device for implementing the embodiment of the invention can solve the continuous expression problem of digital geometric data which is in a discrete structure, particularly a geometric structure and the fitting problem of expressing complicated data with explicit and implicit sample strips; simultaneously, for a specific parametric model, a multi-level parametric model with structural characteristics is built, and a complicated object can be expressed through a small number of parameters and necessary characteristics; and for the generation of the geometric images of a three-dimensional geometric model, the cutting and sewing of the high-grade geometric model as well as the low-deformation plane parameterization in a quick structure are realized.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a geometric image processing method and device thereof. Background technique [0002] The surface of geometric objects is formed by the intersection of one or more curved surfaces. It is very important to study the geometric properties of the intersection of surfaces for understanding, recognizing and reconstructing objects. Flexible objects occupy a large proportion in digital geometric media, such as clothing and biomedical data. If the mainstream continuous and progressive representation is still used, the particularity of its own structure will not be fully considered, and if parametric templates are used The representation method combined with deformation technology will bring great convenience to subsequent encoding, transmission and retrieval. [0003] Deformation representation of digital geometric media, the basic idea is to decompose geometric media in...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/24H04N13/00H04N19/597
Inventor 詹勇周凡王若梅
Owner SUN YAT SEN UNIV
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