This article researches on how to make the curve edge translated into a straight line,introduces the measure formula between the pixel point and the space point,describes image processing ideas,and proved that this method can get better results by experiment.

Condition of the continuous self-mapping of unit solid body in R~n with prime periodic points;

Nitecki indicate the equal value of the special abnormal point,abnormal point and prime periodic point,respectively.

Nitecki indicates respectively the equalvalue of the spcial heterochinic,point,heterochinic point and prime periodic point.

To automatically recognize the boundary spot and to record the coordinate in a clockwise direction are realized through the comparison of the value between the starting randomly boundary spot S and 8 pixels Pfi around S .

It can be decided whether a pixel is in the region.

An understanding of influences of site variables on surface soil organic carbon(SOC)concentrationis i mportant to plan future land use for carbon sequestration and sustaining agriculturalproduction.

Computer Assessment of Point Factors on Land Parcel Price Based on Shortest Path;