|
|
|
Qingqing Li, Yuming Tao and Fanghua Jiang
In the past few years, distant retrograde orbits (DROs) have become increasingly popular due to their conspicuous stability. Nevertheless, it is this characteristic that results in the challenge to the design of transfer orbits into/out of DROs. This pap...
ver más
|
|
|
|
|
|
|
Xiaoguang Zhou, Hongyuan He, Dongyang Hou, Rui Li and Heng Zheng
Refined topological relations play an important role in spatial database quality control. Currently, there is no unified and reasonable method to represent refined line/region and line/line topological relations in two-dimensional (2D) space. In addition...
ver más
|
|
|
|
|
|
|
Fereshteh S. Bashiri, Reihaneh Rostami, Peggy Peissig, Roshan M. D?Souza and Zeyun Yu
With the rapid expansion of applied 3D computational vision, shape descriptors have become increasingly important for a wide variety of applications and objects from molecules to planets. Appropriate shape descriptors are critical for accurate (and effic...
ver más
|
|
|
|