FOREST RESOURCES WANAGEMENT ›› 2019, Vol. 0 ›› Issue (5): 95-103.doi: 10.13466/j.cnki.lyzygl.2019.05.016
• Scientific Research • Previous Articles Next Articles
ZHAO Fangbo1(), LIU Deqing1, YUE Depeng1(), YANG Tong1, ZHAO Qixia2
Received:
2019-05-13
Revised:
2019-07-09
Online:
2019-10-28
Published:
2020-09-18
Contact:
YUE Depeng
E-mail:kg21zfb@126.com;yuedepeng@126.com
CLC Number:
ZHAO Fangbo, LIU Deqing, YUE Depeng, YANG Tong, ZHAO Qixia. Study on Parameter Optimization for the Integrity of Tree Images Based on CT Scanning[J]. FOREST RESOURCES WANAGEMENT, 2019, 0(5): 95-103.
Add to citation manager EndNote|Ris|BibTeX
URL: http://www.lyzygl.com.cn/EN/10.13466/j.cnki.lyzygl.2019.05.016
Tab.1
Statistical table of gray value changes with mAs and SP at the lower part of the axis
完整度* | 0~0.25 | 0.25~0.5 | 0.5~0.75 | 0.75~1 | |
---|---|---|---|---|---|
图像张数 | 715 | 485 | 430 | 770 | |
mAs | 变化区间 | 13~13 | 13~34 | 37~47 | 49~61 |
区间个数 | 0 | 7 | 6 | 9 | |
Sp | 变化区间 | -109.8~-100.6 | -100.8~-95.8 | -94.8~-91.6 | -89.8~-75.3 |
区间个数 | 13 | 10 | 7 | 17 | |
灰度均值 | 变化区间 | 43.8~64.6 | 65.2~79.6 | 82.2~92.6 | 97.0~114.2 |
区间个数 | 17 | 10 | 8 | 21 | |
标准差 | 变化区间 | 9.9~41.1 | 41.3~46.7 | 45.8~47.2 | 40.3~46.4 |
区间个数 | 17 | 10 | 8 | 21 |
Tab.2
Statistical table of gray value changes with mAs and SP at the upper part of the axis
完整度* | 0~0.25 | 0.25~0.5 | 0.5~0.75 | 0.75~1 | |
---|---|---|---|---|---|
图像张数 | 715 | 485 | 430 | 770 | |
mAs | 变化区间 | 13~13 | 13~29 | 34~50 | 47~60 |
区间个数 | 0 | 5 | 6 | 5 | |
Sp | 变化区间 | -55.6~-51.3 | -59.2~-55.8 | -67~-61 | -78.4~-66.4 |
区间个数 | 11 | 7 | 7 | 18 | |
灰度均值 | 变化区间 | 43.3~58.4 | 59~76.2 | 82.7~99.7 | 100.2~115.1 |
区间个数 | 12 | 7 | 9 | 22 | |
标准差 | 变化区间 | 8.7~35.3 | 37.1~45.4 | 45.9~47.6 | 40.4~45 |
区间个数 | 12 | 7 | 8 | 21 |
Tab.4
mAs of lower middle axis and grey value model summary and parameter estimation
中轴下部mAs与灰度值模型汇总和参数估计值 | ||||||
---|---|---|---|---|---|---|
参数估计值 | ||||||
模型 | R2 | F | 常数 | b1 | b2 | 函数模型 |
线性 | 0.971 | 1619.781 | 33.731 | 1.354 | y=1.354x+33.731 | |
对数 | 0.974 | 1818.327 | -57.882 | 41.276 | y=log41.276x-57.882 | |
二次 | 0.979 | 1083.464 | 23.315 | 2.162 | -0.011 | y=2.162x2-0.011x+23.315 |
复合 | 0.934 | 674.191 | 41.157 | 1.018 | y=1.018x,0<x<41.157 |
Tab.5
mAs of upper middle axis and grey value model summary and parameter estimation
中轴上部mAs与灰度值模型汇总和参数估计值 | ||||||
---|---|---|---|---|---|---|
参数估计值 | ||||||
模型 | R2 | F | 常数 | b1 | b2 | 函数模型 |
线性 | 0.927 | 681.182 | 40.669 | 1.213 | y=1.213x+40.669 | |
对数 | 0.910 | 543.783 | -35.083 | 35.100 | y=log35.1x-35.083 | |
二次 | 0.927 | 338.881 | 44.003 | 0.933 | 0.004 | y=0.933x2+0.004x+44.003 |
复合 | 0.883 | 407.998 | 46.177 | 1.016 | y=1.016x,0<x<46.177 | |
幂 | 0.890 | 436.138 | 17.217 | 0.454 | y=x0.454+17.217 |
[1] | 巢阳, 卜向春, 古润泽. 北京市古树保护现状及存在问题[J]. 北京园林, 2005(2):38-41. |
[2] | Wang Xiping. Acoustic Tomography For Decay Detection In Black Cherry Trees[J]. Wood and Fiber Science, 2009,41(2):127-137. |
[3] |
Duncker P, Spiecker H. Detection and classification of Norway spruce compression wood in reflected light by means of hyper spectral image analysis[J]. IAWA Journal, 2009,30(1):59-70.
doi: 10.1163/22941932-90000203 |
[4] | Glibert A E, Smiley E T. Picus sonic tomography for the quantification of decay in white o ak(Quercus Alba)and hickory[J]. Journal of Arboriculture, 2004,30(5):277-280. |
[5] | Cheng Jung Lin. Application of Ultrasonic Tomographic Technique for Detecting Defects in Standing Trees[J]. International Biodeterioration & Biodegradation, 2008,62(4):434-441. |
[6] |
Liñán, Morales Conde, de Hita, et al. Application of Non-Destructive Techniques in Inspection of Wooden Structures of Protected Budlings:The Case of Nuestra senora de los Dolores Church[J]. International Journal of Architectural Heritage, 2015,9(3):324-340.
doi: 10.1080/15583058.2013.771292 |
[7] | 梁善庆, 蔡智勇, 王喜平, 等. 北美木材无损检测技术的研究与应用[J]. 木材工业, 2008,22(3):5-8. |
[8] | 梁善庆, 王喜平, 蔡智勇, 等. 弹性波层析成像技术检测树木腐朽[J]. 林业科学, 2008,44(5) 110-114. |
[9] | 段新芳, 王平, 周冠武, 等. 应力波技术在古建筑木构件腐朽探测中的应用[J]. 木材工业, 2007,21(2):10-12. |
[10] | 余斌, 高珊, 王立海. 超声波在原木内部传播理论研究[J]. 森林工程, 2014,30(1):92-99. |
[11] | 甘明旭, 孙涛, 康永祥, 等. 应用探地雷达对黄帝陵古柏树干和粗根的研究[J]. 西北林学院学报, 2016,4(4):182-187. |
[12] | 徐华东, 王立海. 应力波和超声波在立木无缺陷断面的传播速度[J]. 林业科技, 2011,47(4):129-134. |
[13] | 曹正彬, 葛浙东, 张连滨, 等. 计算机断层扫描技术在木材科学中应用研究发展[J]. 世界林业研究, 2017,30(5):45-50. |
[14] |
单海滨, 刘杏娥, 杨淑敏, 等. 计算机断层扫描技术(CT)在木材无损检测中的应用与发展[J]. 浙江农林大学学报, 2013,30(1):123-128.
doi: 10-11833/j.issn.2095-0756.2013.01.018 |
[15] | 韩书霞, 戚大伟. 基于CT技术和分形特征的木材物理性质及缺陷检测研究[D]. 哈尔滨:东北林业大学, 2010. |
[16] | 彭冠云, 江泽慧. 基于CT技术检测木材、竹材结构特征的研究[D]. 北京:中国林业科学院, 2009. |
[17] | 葛浙东, 侯晓鹏, 周玉成, 等. 基于反投影坐标快速算法的木材CT检测系统研究[J]. 农业机械学报, 2016,47(3):335-341. |
[18] | 朱琼, 李枫. 超声波CT技术在桥梁工程钻孔灌注桩检测中的应用[J]. 交通世界, 2017(35):96-97. |
[19] | 王路君, 左永振, 孔宪勇, 等. CT技术在岩土工程研究中的应用[J]. 地下空间与工程学报, 2009,5(2):1754-1756. |
[20] | 陆昕琳. 16排螺旋CT胸部常规扫描参数的优化[J]. 医学影像, 2015,20(1):152. |
[21] | 张连宇, 吴宁, 耿建华. 分析不同参数对胸部增强CT扫描辐射剂量的影响[J]. 中国医学装备, 2018,15(5):36-39. |
[22] | 盖立平, 刘爱连, 刘义军, 等. 能谱CT成像中扫描参数的优化[J]. 中国医学物理学杂志, 2015,32(5):664-668. |
[23] | 李昂, 沈君姝, 曹新志, 等. 原始数据迭代重建和70 kV CT扫描对图像质量和辐射剂量的影响[J]. 医疗卫生装备, 2015,3(3):99-102. |
[24] | 李昂. CT扫描参数最优化儿童患者辐射剂量最少化[J]. 当代医学, 2009,15(5):24-25. |
[25] | 彭冠云, 江泽慧, 刘杏娥, 等. 木材、竹材密度的CT检测[J]. 光谱学与光谱分析, 2012,32(7):1935-1938. |
[26] | 唐坤. 80kV低管电压扫描对脑CT血管成像图像质量及辐射剂量的影响[J]. 中国医学影像学杂志, 2013,21(3):177-180. |
[27] | 陈世杰, 赵淑萍, 马巍, 等. 利用CT扫描技术进行冻土研究的现状和展望[J]. 冰川冻土, 2013,1(2):193-200. |
[28] | 张文佳. CT系统参数标定的研究[J]. 电子技术与软件工程, 2018(10):74-74. |
[29] | 蒲毅彬, 吴紫汪, 马巍, 等. 冻土CT实验的数学方程[J]. 冰川冻土, 1995,17(S1):135-139. |
[30] | 李杨飞, 樊树峰. CT检查中mAs与辐射剂量的比较分析[J]. 现代中西医结合杂志, 2007,16(33):5006. |
[1] | XU Can, JIANG Tengda. A Method of Estimating Forest Stock Volume Parameters from Airborne LiDAR Data [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(3): 105-110. |
[2] | LIN Xin, PANG Yong, LI Chungan. Analysis of the Deference Between the UAV Dense Matching Point Cloud and Airborne LiDAR Point Cloud [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(3): 58-62. |
[3] | LI Zhiming. Characteristics Analysis of Typical Natural Forest of Sloanea sinensis Based on Stratification [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(3): 72-77. |
[4] | ENG Qilong, CHEN Zhefu, CHEN Duanlv. A Study on the Growth Model of Individual Trees in Natural Mixed Forests of Oak and Pinus Massoniana in Hunan [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(2): 94-102. |
[5] | GONG Zhaosong, ZENG Siqi, HE Dongbei, LONG Shisheng, JIANG Xingyan. A Study on the Basal Area Growth Model of Phoebe zhennan Secondary Forest in Hunan Province [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(2): 87-93. |
[6] | LIN Lili, HAO Zhenbang, YANG Liuqing, GAO Yangchi, LIU Yanfen, YU Kunyong, LIU Jian. The Development and Application of Automatic Measurement System for Forest Canopy Closure [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(2): 167-172. |
[7] | ZENG Weisheng, CAO Yingchun, CHEN Xinyun, ZHAO Lianqing. Developing Tree-level and Stand-level Growth Rate Models for Major Tree Species in Hebei Province [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(1): 30-37. |
[8] | WANG Lulu, LIU Xueqiang, WANG Lixia, MA Shunxing, MA Ruiting, YAN Dongfeng. The Optimization and Evaluation of Age-class Structure of Dominant Tree Species in Neihuang Forest Farm [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(1): 47-53. |
[9] | Zhongming JIN, Shanshan CAO, Lei WANG, Wei SUN. Study on Extraction of Tree Crown Information from UAV Visible Light Image of Piceaschrenkiana var.tianschanica Forest [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(1): 125-135. |
[10] | Lihua FU, Jinchao HOU, He SUN, Hezhi WANG, Qiang LIU, Shun CHENG. Stem Shape Curves Simulation for Larixprincipis-rupprechtii Using Quantile Regressions [J]. FOREST RESOURCES WANAGEMENT, 2020, 2020(1): 151-157. |
[11] | ZENG Weisheng. Analysis on the Impact of Stock Volume Estimation Based on Tree Height-DBH Model at Population and Stand Level [J]. FOREST RESOURCES WANAGEMENT, 2019, 2019(6): 38-41. |
[12] | ZHANG Jiangping, DING Guijie. Study on Binary Standing Timber Volume Model of Artificial Cryptomeria fortunei in Guizhou Province [J]. FOREST RESOURCES WANAGEMENT, 2019, 2019(6): 62-68. |
[13] | WU Hongwei, TIAN Yi, HUANG Guangcan, ZHANG Weizhi, ZHUANG Chongyang, JIANG Xidian. A Growth Model for Pinus elliottii Based on the Nonlinear Measurement Error Method [J]. FOREST RESOURCES WANAGEMENT, 2019, 2019(6): 69-74. |
[14] | WANG Liuru, YIN Hongbo. An Application of New Portable Tree Altimeter DZH-30 in Forest Resources Inventory [J]. FOREST RESOURCES WANAGEMENT, 2019, 2019(6): 132-136. |
[15] | YANG Yuze, LIN Wenshu, SUN Yingwei. Study on Tree Growth Models of Dominant Tree Species in the Coniferous and Broad-leaved Mixed Forest in the Lesser Khingan Mountains [J]. FOREST RESOURCES WANAGEMENT, 2018, 2018(3): 49-57. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||