A selection method is described to select the interested object areas in binary image, and a new general tracking boundary algorithm is proposed to acquire the outside boundary of the selected area.

讲述了对二值图象中所感兴趣的物体区域的选定方法，并提出了一种通用性较强的边缘跟踪算法，以提取被选定物体区域的外边缘轮廓。

youdao

A new type of outside laser tracking distance measuring system is developed in this paper.

提出一种新的外置式激光跟踪测距系统。

youdao

Uses required computer hardware and software as productivity tools in performing work-related tasks. Enters information into company-required tracking programs with occasional outside assistance.

使用工作要求的电脑软硬件，在有限的外部帮助下，将信息输入公司的追踪程序中。

youdao

There are about 18, 000 US-led foreign troops in Afghanistan tracking al-Qaeda and Taleban militants, with security patchy outside the capital Kabul.

BBC: NEWS | UK | UK gets ready for Afghan mission

Morkel twice beat Collingwood's outside edge and, in between, Pietersen was dropped by a back-tracking Ntini at mid-on after again top-edging an attempted hook, this time off Nel.

BBC: Pietersen ton puts England ahead