SPECTRAL

作品数：1009被引量：1459H指数：13
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Preoperative prediction of lymphovascular and perineural invasion in gastric cancer using spectral computed tomography imaging and machine learning被引量：2
《World Journal of Gastroenterology》2024年第6期542-555,共14页Hui-Ting Ge Jian-Wu Chen Li-Li Wang Tian-Xiu Zou Bin Zheng Yuan-Fen Liu Yun-Jing Xue Wei-Wen Lin 
Supported by Science and Technology Project of Fujian Province,No.2022Y0025.
BACKGROUND Lymphovascular invasion(LVI)and perineural invasion(PNI)are important prognostic factors for gastric cancer(GC)that indicate an increased risk of metastasis and poor outcomes.Accurate preoperative predictio...
关键词：Spectral computed tomography Gastric cancer Lymphovascular invasion Perineural invasion 
Comparing leaf area index estimates in a Mediterranean forest using field measurements, Landsat 8, and Sentinel-2 data
《Ecological Processes》2023年第1期402-414,共13页Alessandro Sebastiani Riccardo Salvati Fausto Manes 
Servizi Ecosistemici e Infrastrutture Verdi urbane e peri-urbane nell’area Metropolitana Romana:stima del contributo delle foreste naturali di Castelporziano nel miglioramento della qualitàdell’aria della cittàdi Roma;Accademia Nazionale delle Scienze detta dei XL,in collaborazione con Segretariato Generale della Presidenza della Repubblica;PRO-ICOS_MED Potenziamento della Rete di Osservazione ICOS-Italia nel Mediterraneo-Rafforzamento del capitale umano”funded by the Ministry of Research;PNRR,Missione 4,Componente 2,Avviso 3264/2021,IR0000032-ITINERIS-Italian Integrated Environmental Research Infrastructures System CUP B53C22002150006。
Background Leaf area index(LAI)is a key indicator for the assessment of the canopy’s processes such as net primary production and evapotranspiration.For this reason,the LAI is often used as a key input parameter in e...
关键词：Mediterranean forest Leaf area index Field measurement Multispectral satellite imagery Sentinel-2 Landsat 8 Spectral vegetation index Global change 
Snapshot multispectral imaging using a diffractive optical network被引量：6
《Light(Science & Applications)》2023年第5期789-808,共20页Deniz Mengu Anika Tabassum Mona Jarrahi Aydogan Ozcan 
supported by the U.S.Department of Energy(DOE),Office of Basic Energy Sciences,Division of Materials Sciences and Engineering under Award#DE-SC0023088.
Multispectral imaging has been used for numerous applications in e.g.,environmental monitoring,aerospace,defense,and biomedicine.Here,we present a diffractive optical network-based multispectral imaging system trained...
关键词：SPECTRUM SPECTRAL spatially 
White Blood Cells Detection Using Spectral Tresholding被引量：1
《Journal of Signal and Information Processing》2023年第1期1-8,共8页Kamara Ndèye Lama Boye Mouhamadou Moustapha Traore Ali 
The study of the morphology of White Blood Cells (WBCs) further contributes to the clinical diagnosis of blood diseases. In this research paper, we come up with an image segmentation enhancement by combining Fourier F...
关键词：SEGMENTATION Fourier Transform White Blood Cell 
Spectral baseline estimation using penalized least squares with weights derived from the Bayesian method被引量：1
《Nuclear Science and Techniques》2022年第11期144-157,共14页Qian Wang Xin-Liang Yan Xiang-Cheng Chen Peng Shuai Meng Wang Yu-Hu Zhang 
supported by the National Key R&D Program of China(No.2018YFA0404401);CAS Project for Young Scientists in Basic Research(No.YSBR-002);Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB34000000).
The penalized least squares(PLS)method with appropriate weights has proved to be a successful baseline estimation method for various spectral analyses.It can extract the baseline from the spectrum while retaining the ...
关键词：Penalized least squares Baseline correction Bayesian rule Spectrum analysis 
Multispectral image denoising using sparse and graph Laplacian Tucker decomposition被引量：1
《Computational Visual Media》2020年第3期319-331,共13页Xiaoce Wu Bingyin Zhou Qingyun Ren Wei Guo 
sponsored by the Science and Technology Foundation of Higher Education in Hebei Province(QN2019166);the Science Foundation of Hebei Normal University(L2019K01);the National Natural Science Foundation of China(11301137,61802109)
Multispectral image denoising is a basic problem whose results affect subsequent processes such as target detection and classification.Numerous approaches have been proposed,but there are still many challenges,particu...
关键词：SPARSE IMAGE SPECTRAL 
A review of neural networks in plant disease detection using hyperspectral data被引量：15
《Information Processing in Agriculture》2018年第3期354-371,共18页Kamlesh Golhani Siva K.Balasundram Ganesan Vadamalai Biswajeet Pradhan 
This paper reviews advanced Neural Network(NN)techniques available to process hyperspectral data,with a special emphasis on plant disease detection.Firstly,we provide a review on NN mechanism,types,models,and classifi...
关键词：SPECTRAL NEURAL NETWORKS 
Evaluation of Spectral Scale Effects in Estimation of Vegetation Leaf Area Index Using Spectral Indices Methods被引量：7
《Chinese Geographical Science》2016年第6期731-744,共14页DU Huishi JIANG Hailing ZHANG Lifu MAO Dehua WANG Zongming 
National Natural Science Foundation of China(No.41401002);Jilin Province Science Foundation for Youths(No.20160520077JH)
Spectral index methodology has been widely used in Leaf Area Index(LAI) retrieval at different spatial scales. There are differences in the spectral response of different remote sensors and thus spectral scale effect ...
关键词：spectral index vegetation leaf area index radiative transfer model spectral response scale effect 
Estimating Soil Salinity in the Yellow River Delta, Eastern China——An Integrated Approach Using Spectral and Terrain Indices with the Generalized Additive Model被引量：8
《Pedosphere》2016年第5期626-635,共10页SONG Chuangye REN Hongxu HUANG Chong 
financially supported by the National Natural Science Foundation of China (Nos. 41001363 and 41471335);the Ocean Public Welfare Scientific Research Project, China (No. 201305021)
Soil salinity is one of the most severe environmental problems worldwide. It is necessary to develop a soil-salinity-estimation model to project the spatial distribution of soil salinity. The aims of this study were t...
关键词：Akaike＇s information criterion digital elevation model Landsat TM image soil salt content terrain in indices vegetation cover 
Microwave photonic phase shifter with spectral separation processing using a linear chirped fiber Bragg grating被引量：4
《Chinese Optics Letters》2016年第4期16-19,共4页翟文胜 高欣璐 徐文静 赵明阳 谢牧彤 黄善国 顾畹仪 
supported by the National "973" Program of China(No.2012CB315604);the Natural Science Foundation of China(Nos.61575028 and 61331008);the Program for New Century Excellent Talents in University(No.NCET-12-0793);the Beijing Nova Program (No.2011065);the Open Fund of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications)
A stable and broadband microwave photonic phase shifter based on the combined use of a linear chirped fiber Bragg grating and optical single-sideband （OSSB） modulation is proposed and experimentally demonstrated. Th...
关键词：Bragg gratings Fiber Bragg gratings Light sources Phase shift 
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