基于内容的图像检索，即CBIR(Content-based image retrieval)，是计算机视觉领域中关注大规模数字图像内容检索的研究分支。典型的CBIR系统，允许用户输入一张图片，以查找具有相同或相似内容的其他图片。而传统的图像检索是基于文本的，即通过图片的名称、文字信息和索引关系来实现查询功能。
本文是Wiki上统计的当前主要的基于内容的图像检索系统。
商业图像搜索引擎：
名称 描述 外部图像查询 元数据查询 索引的大小 (估计值, Millions of Images) 组织 协议 (Open/Closed)Elastic VisionSmart image searcher with content-based clustering in a visual network.NoNo Private CompanyClosedGoogle Image SearchGoogle's CBIR system, note: does not work on all imagesYesYes Public CompanyClosedBaidu Image SearchBaidu's CBIR systemYesYes1000MPublic CompanyClosedID My PillAutomatic prescription pill identification (CBIR)YesNo Private CompanyOpen (via API)Imense Image Search PortalCBIR search engine, by Imense.NoYes3MPrivate CompanyClosedImprezzeo Image SearchCBIR search engine, by Imprezzeo.NoYes Private CompanyClosedVisual Image SearchCBIR search engine, by pixolutionYesNo10MPrivate CompanyClosedIncogna Image SearchCBIR search engine, by Incogna Inc.NoYes100MPrivate CompanyClosedLike.comShopping & fashion based CBIR engineNoYes1MPrivate CompanyClosedChic EngineVisual fashion search engine (CBIR)YesNo Private CompanyClosedMiPai similarity search engineOnline similarity search engineYesYes100MIndividualClosedPiximilarDemo engine, developed by Idee Inc.NoNo3MPrivate Company1ClosedEmporaProduct comparison & shopping using CBIR for product images. Previously known as PixstaNoYes0.5MPrivate CompanyClosedShopachuShopping & fashion CBIR engine, by Incogna Inc.NoYes1MPrivate CompanyClosedTinEyeCBIR site for finding variations of web images, by Idee Inc.YesNo1800MPrivate CompanyClosedTiltomoCBIR system using Flickr photosNoYes Private CompanyClosedeBay Image SearchImage Search for eBay FashionNoYes20MPublic CompanyClosedVisual Recognition FactoryVisual Recognition FactoryYesYes Private CompanyClosedIMMENSELABCBIR search engine by KBKGROUP.YesNo10MPrivate CompanyClosedMacroglossa Visual SearchCBIR visual search engineYesNo Private CompanyClosed 研究项目（有一部分是开源的）：
名称
外部图像查询
元数据查询
索引大小 (估计值, Millions of Images)
组织
协议 (Open/Closed)
akiwi
Yes
Yes
15M
University
Closed
ALIPR
Yes
Yes
University
Closed
Anaktisi
Yes
No
0.225M
University
Open
BRISC
Yes
No
University
GPL
Caliph & Emir
Yes
No
Desktop-based
University
GPL
FIRE
No
No
University
Open
GNU Image Finding Tool
Yes
No
Desktop-based
GNU
GPL
ISSBP
Yes
Yes
free-beta limited to 4k images
Private Company
Closed
img(Rummager)
Yes
No
Desktop-based
Individual
Closed
imgSeek
Yes
No
Individual
GPL
IKONA
Yes
Yes
University
Closed
IOSB
Yes
No
Desktop-based
Research Institute
Closed
LIRE
Yes
Yes
University
GPL
Lucignolo
Yes
Yes
106M
Research Institute
Closed
MIFile
No
No
106M
Research Institute
Open
MUVIS
Yes
No
Desktop-based
University
Closed
PIRIA
Yes
Yes
130M
University
Closed
PicsLikeThat
No
No
12M
University
Closed
Pixcavator
Yes
No
Desktop-based
Private company
Closed
pixolu
Yes
No
Private Company / University
Closed
RETIN
No
No
University
Closed
Retrievr
No
No
University
Closed
SIMBA
Yes
No
0.002M
University
Closed
TagProp
No
Yes
Institute
Closed
VIRaL
Yes
Yes
2.221M
University
Closed
Windsurf
Yes
No
University
Closed
PIBE
Yes
No
University
Closed
SHIATSU
Yes
Yes
University
Closed
用过其中的LIRE和Caliph & Emir，还是比较好用的
原文地址：http://en.wikipedia.org/wiki/List_of_CBIR_Engines
转载于:https://www.cnblogs.com/leixiaohua1020/p/3902126.html
相关资源：基于内容的图像检索matlab