A Bronze Inscription Information Extraction and Recording Method Based on 3D Reconstruction Technology
A technology of three-dimensional reconstruction and bronzeware, which is applied in the directions of instruments, image data processing, 3D modeling, etc., can solve the problems of no rubbings, obstacles, etc., and achieve the effect of ensuring accuracy
Inactive Publication Date: 2017-07-07
SHAANXI HISTORY MUSEUM
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Problems solved by technology
[0005] However, without rubbings, research on archaeology and cultural relics that relies on rubbings is hindered
The unique and distinctive black-and-white form, figure-base relationship, shape outline and other visual information presented by rubbing images have special value and significance for the research on modeling and composition in the field of art, and these features are not available and irreplaceable in ordinary photos
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[0018] The technical solution of the present invention will be further described in detail below in conjunction with specific drawings and embodiments.
[0019] 1. Three-dimensional reconstruction of bronze inscription information: According to the casting characteristics and preservation status of bronze inscriptions, if the inscription lines are thin and the volume is small, three-dimensional reconstruction can be carried out by using high-precision white light and laser three-dimensional scanners; If the amount is large, the bronze inscriptions can be reconstructed in 3D using the 3D reconstruction method based on sequential images. The original photo of the bronze inscription is as figure 1 As shown, the 3D reconstruction model of the bronze inscription is as follows figure 2 shown.
[0020] 2. Analysis of characteristic curvature of bronze inscriptions: Based on the three-dimensional model of bronze inscriptions, analyze the surface curvature of the model, and use curv...
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The invention discloses a method for extracting and recording bronze inscription information based on three-dimensional reconstruction technology. The three-dimensional reconstruction technology is used to perform three-dimensional reconstruction on bronze inscriptions to obtain a high-precision three-dimensional model of bronze inscriptions; all bronze inscriptions are cast inscriptions or engraved Inscription, the three-dimensional model of bronze inscriptions records the grooves or protrusions of this kind of characters with high precision. After the curvature analysis of the three-dimensional model, the smoother parts without inscriptions on the model are low-curvature parts, and the places with inscriptions are high-curvature parts. , the curvature changes; through the capture and drawing of the characteristic lines at high curvature, the morphological information of the bronze inscriptions can be extracted and recorded with high precision; most of the bronze inscriptions are not on the same plane, and the characteristic lines extracted and recorded based on the curvature analysis of the three-dimensional model are also It is the morphological feature in three-dimensional space. After the orthographic projection of characters one by one, the orthophoto map of the bronze inscription is obtained. The invention can ensure the accuracy of the inscription information and the efficiency of the extraction process.
Description
technical field [0001] The invention relates to a method for extracting bronze inscription information, in particular to a method for extracting and recording bronze inscription information based on three-dimensional reconstruction technology. Background technique [0002] At present, the known recording methods of bronze inscriptions are mainly limited to two methods: copying and rubbing. [0003] The imitation refers to the later generations "recording with the method of drawing according to the sample" according to the text form of the bronze inscriptions. It is a description of the strokes of the bronze inscriptions. The recorded result is only the general stroke characteristics of the bronze inscriptions. It is a subjective judgment and record. Undoubtedly, it caused a great loss of bronze inscription information; [0004] Rubbing, on the other hand, is an ancient traditional Chinese art form, which is still applied to the information recording of bronze inscriptions u...
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IPC IPC(8): G06T17/00G06T7/00G06K9/46
CPCG06T17/00G06V10/422
Inventor 卢轩韩博付文斌刘成梁彦民韩建武陈园
Owner SHAANXI HISTORY MUSEUM