Tracking my fingertips over his olive skin, I'm struck by the potency and fragility of blood and breath and bone - these intricate, insubstantial casings that separate us, keep us alive.

我的指尖在他橄榄色的皮肤上划过，血骨和呼吸的力量与脆弱同时击中了我——这种繁杂的、脆弱的感觉分开了我们，让我们得以喘息。

youdao

This paper presents an algorithm for facial tracking and pose estimation based on skin color model and elliptical template.

文章提出了一种基于肤色模型，结合椭圆环模板进行人脸跟踪及姿态估计的算法。

youdao

In the tracking stage, track face using kalman filter and skin-color feature, if fail to track then turn into detecting stage.

跟踪阶段用卡尔曼滤波器结合肤色特征跟踪人脸，如果跟踪失败，转入检测阶段。

youdao

They will fire darts from small air rifles to collect blubber and skin for genetic testing,and to attach satellite-tracking tags to monitor the whales.

VOA: standard.2010.01.05