This is true even for non-face-to-face communication such as through online chat rooms or message sessions.

即使不是面对面的交流，例如发信息和网上聊天，这样的学习也真实存在。

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According to the hue, motion and geometric features of human faces, a method integrated hue analysis and motion detection was raised to remove non-face regions.

针对人脸的色度特性、运动特性和几何特性，提出了一种新的方法进行人脸检测。

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The main idea of which consists of three parts: the discriminating feature analysis of the images, the statistical modeling of face and non-face classes, and the Bayes classifier for face detection.

研究了人脸检测的贝叶斯特征判别法，该方法包括三个部分：原始图像的特征判别分析、人脸区和其它区的统计建模以及贝叶斯分类器。

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its press freedom non-existent and demonstrations broken up by "repressive" security services - all that face-to-face with arguably the most powerful man in the country.

VOA: standard.2010.06.10

Instead, there was increased activity in the next-door part of the brain that deals with inanimate, or non-face objects.

BBC: Why autism can't find a face

Plus, the quality of those interactions goes down, which means many of those 11 contacts-per-day will be by phone, internet, or other non-face-to-face communication.

FORBES: A Simple Business Lesson To Improve Your Retirement Plan

Yes, Boris - who along with Seb has been the non-sporting face of the Games - has, thanks to the Olympics, become not just that cheeky chap who brings a smile to your face, but the Conservative who makes his party's activists' hearts race and pulses quicken, who says the things they want to hear and who is not sullied by coalition.

BBC: Boris and the Olympic legacy made flesh