First, corner features on each scanning curve are identified and extracted,then corner feature tracking algorithm is used to link the extracted corner feature to feature frame.

Based on the region match,the corner feature match operation is processed following the relationship among the regions to which the corner points belong.

Distribution and Sources of Saturated Hydrocarbon Pollutants in Beijing Surface Soil;

Study on flavonoids distribution of in various populations of Prunella vulgaris;

Red beds distribution and engineering geological problem in China;

Lead contamination of urban soils : distribution character and countermeasure;

The distribution character of lead in soil and dust in urban region of Shenyang City.;

The distribution character of Fe、Mn、Ni in the soil-plant system on Westen Hill Kunming;

Distribution characteristics of organic matter and total nitrogen in sediments of Lake Wuliangsuhai.;

Numerical simulation on flowing distribution characteristics of separated medium inside the Hydrocyclone;

Contents and distribution characteristics of nutrient in the Guangzhou sea area;

Hydrocarbon accumulation models and distribution features of sandstone lithologic hydrocarbon reservoir in the Dongying Depression;

High water cut stage remaining oil distribution features and potential reserves tapping in Jianghe area of Shuanghe Oilfield;

Sedimentary system and distribution features of early Tertiary in Liaohe tidal zone;