摘要
根据自然红外纹理在空间的统计分布特性 ,利用随机场模型可以有效地合成红外纹理 .由于物体表面的温度场分布具有马尔可夫性 ,可以利用GLC(GeneralizedLong Correlation)随机场模型模拟自然地物表面的红外辐射温度场分布情况 ,并利用普朗克黑体辐射定律计算地表的辐出度场分布 ,通过辐出度场进行显示定标和量化 ,可以有效生成不同的红外纹理 .模拟结果表明 :GLC模型可以有效模拟 3～ 5 μm和 8～ 12
The random field models can be available in synthesizing the natural texture according to the statistical distribution of intensity of texture in space. With Markov property of the temperature fields distribution on the surface of objects, the Generalized.Long-Correlation(GLC)random fields model is applied to simulate the distribution of temperature fields on the surface of natural terrains. And the radiation fields of terrain can be easily calculated by Planck's radiation law. The infrared textures can be produced after digitalization of radiation fields by given display ruler and quality of radiation. The simulation results show that the GLC model can generate the infrared texture in bands of 3 similar to 5mum and 8 similar to 12mum effectively.
出处
《红外与毫米波学报》
SCIE
EI
CAS
CSCD
北大核心
2003年第5期341-345,共5页
Journal of Infrared and Millimeter Waves
基金
国家自然科学基金 (批准号 60 2 770 0 5 )资助项目~~
