J4 ›› 2005, Vol. 23 ›› Issue (2): 50-53.

• 论文 • 上一篇    下一篇

纹理分析法识别静止卫星红外云图和监测汛期强对流天气系统

岳平1,2刘晓云2,郭良才2,吕长虹2   

  1. 1.南京信息工程大学气象灾害国家重点实验室培育点,江苏 南京 210044;2.甘肃省酒泉市i气象局,甘肃 酒泉 735000
  • 收稿日期:2004-10-21 修回日期:2005-02-28 出版日期:2005-06-30 发布日期:2005-06-30
  • 作者简介:岳平(1974-),男,甘肃静宁人,硕士,主要从事天气气候预报及研究.
  • 基金资助:

    酒泉市气象局创新项目( 2003-05)资助

Identification Geosynchronous Satellite Infrared Image and Detection Violent Convective Weather System in Flood Season by Textural Analysis Technique

YUE Ping1,2,LIU Xiao-yun2=, GUO Liang-cai2,LU Chang-hung2   

  1. 1. Nanjing University of Information Science&Technology KLME, Nanjing  210044, China;2.Jiuquan Meteorological Bureau, Jiuquan  735000, Gansu,China
  • Received:2004-10-21 Revised:2005-02-28 Online:2005-06-30 Published:2005-06-30

摘要:

根据空间灰度共现矩阵纹理分析原理,制作卫星红外云图纹理分析法系统。选取50幅2003^~2004年甘肃西部汛期对流性降水的FY-2红外云图,进行纹理特征量的计算和统计分析,并用甘肃省肃北县2004年6月29日18时的FY-2冰雹云的红外云图为个例进行检验。结果表明:该系统能够有效提取反映对流云团纹理特征的参数值;汛期强对流云红外云图的能量值接近1,比惯性矩和熵的特征量大2个量级、

关键词: 纹理, 灰度共现矩阵, 红外云图, 对流, 天气系统

Abstract:

Based on the textural analytic theory of gray scale co一。ccurrence matrix, the geosynchronous satellite IR image analytic System  WaS made. I}lfty  p1eCCS Of  Icy-2 IR lmage,  Wh1Ch attended by  VlOlent COriVCCt1Ve  Weather In the  WCSt areas Of  CanSll pTOV1nCe In flOOd  SeaSOn fTOm 2}}3 t0 2004,  WCTe  Selected t0 COmpllte the 1neTtla,  entTOpy and energy C(LIadTatlITe.  f} hall Case ,Wh1Ch  happened on 29th June,2004,  WaS  Selected t0  Validate the  SOftWaCe  System. }he TeSLI1tS  S110W  that the  geOSynC11TOriOLIS  Satellite  IR nnage analytic System  1S  gOOd  fOT  mOnltOTlng  VlOlent  COriVCCt1Ve  Weather  System,  arid  fOT  the  COriVCCt1Ve  Weather  System,  the  getpaTmS  Vahle  Of  the energy is closed to the value one .nn the  COntTary, the  Va1LICS  Of the inertia arid  entTOpy  are  C10Sed t0  ZCTO,  the  getpaCnlS  Vahle Of the energy is two scalar higher than those of entropy and entropy.

Key words:  texture, gray level co-occurrence matrix, IR image, convection, weather system

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