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首页 » 科技讯息 » Google–Search by image

Google–Search by image

六月 17, 2011

因为图片数量的剧增,Facebook甚至重新设计了图片浏览器 ,而 Google 新近推出的图片搜索服务——Search by Image 则把战线从移动市场反向延伸到桌面平台,我想这背后也必定有可观的数字作为参考。自法国人拍摄出第一张照片至今,无论如何1826年的人们是无法想象得到图片影像诞生的意义已经被传播的重要性与其能够带来的潜在价值所彻底掩盖。事实是如今传播资讯的方式在借助数字手段的同时使得影像的作用正在被前所未有的受到重视与重新利用,此前印刷品保持的记录也必定会在未来的某一天被数字影像无情的超越。

Search_by_Image 

Google 的 Search by Image 服务为我们提供了三种方式(拖放、上传图片、复制并粘贴图片的网址)使用图片搜索图片,如果你还在使用Angelina Jolie与Louis Vuitton这样的关键字搜索那张近几日流传于网络中的清晰图片,现在只要有一张缩略图尺寸大小的图片就可以轻松找到你需要的结果。

image_search 
 
321Google官方称该项服务对人脸识别有一定的限制和保留,除了一些知名人士的形象可以被识别,在这方面它能做的是有限的。此外,对于场景内容为主的图片识别也需要参考对象是否具有一定的知名度。为了验证其搜索功能的准确度,以及出自我们的一些“邪恶”念头,我们使用了一张经过修改后的此前流行度甚广的图片(右图)进行了一次测试…结果证明,虽然Google称对脸部识别有待改进,但对于人物形象姿态以及身体某些部分甚至背景的识别依然具有相当高的准确性。当然,这只是我们与机器开的一个小小的玩笑,但确实也让我们意识到,有如此理想的识别度多半是建立在搜索目标的网络流行程度之上的。换句话说,你的图片流传越广,被识别的几率就越高。想看到马赛克后面的真相么,那你还在等什么?

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3 条评论 : “Google–Search by image”

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