Title:
THREE-DIMENSIONAL RECONSTRUCTION APPARATUS AND METHOD FOR FLAME SPECTRUM
Document Type and Number:
WIPO Patent Application WO/2022/116478
Kind Code:
A1
Abstract:
A three-dimensional reconstruction apparatus and method for a flame spectrum. The apparatus is composed of a plurality of prism-mask-type photographing systems and a plurality of reflectors, wherein the prism-mask-type photographing systems are built in a circle by taking a flaming area to be reconstructed as the center; and each prism-mask-type photographing system is configured with two reflectors, and the reflectors are arranged along the axis of the photographing system in a left-right oblique manner, such that flame data enters the prism-mask-type photographing system after being reflected by the reflectors, thereby acquiring hyperspectral data of a flame from multiple angles in real time. The reconstruction method comprises: first acquiring, by using a cylindrical calibration column, an area to be reconstructed; then synchronously collecting hyperspectral data of a flame, and pre-processing same; and finally, reconstructing three-dimensional spectrum data of the flame by using a three-dimensional reconstruction algorithm for a flame spectrum. In the method, fewer photographing angles are required, the convergence speed is high, band-shaped artifacts are eliminated, and three-dimensional spectrum data of a flame can be realistically reconstructed.
Inventors:
CAO XUN (CN)
ZHANG YAN (CN)
LIU ZHENGYU (CN)
WANG CHEN (CN)
CAI LIJING (CN)
ZHANG YAN (CN)
LIU ZHENGYU (CN)
WANG CHEN (CN)
CAI LIJING (CN)
Application Number:
PCT/CN2021/093258
Publication Date:
June 09, 2022
Filing Date:
May 12, 2021
Export Citation:
Assignee:
NANJING UNIVERSITY OF TECHNOLOGY (CN)
International Classes:
G06T17/00; G06T7/80
Foreign References:
| CN112489200A | 2021-03-12 | |||
| CN105938101A | 2016-09-14 | |||
| US20090251686A1 | 2009-10-08 | |||
| CN110400336A | 2019-11-01 |
Other References:
SONG ERZHUANG , LEI QINGCHUN , FAN WEI: "A Review on Three-Dimensional Flame Measurements Based on Tomography", JOURNAL OF EXPERIMENTS IN FLUID MECHANICS, vol. 34, no. 1, 15 February 2020 (2020-02-15), pages 1 - 11, XP055937063, ISSN: 1672-9897, DOI: 10.11729/syltlx20190135
Attorney, Agent or Firm:
FADEDONGHENG LAW FIRM (CN)
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