Imagelab

Imagelab
http://imagelab.ing.unimore.it/imagelab/labeling.asp
(Image Database) MIR FLICKR Download (25,000)
(Image Database) The USC-SIPI Image Database
(Image Database) http://www.cs.cmu.edu/~cil/v-images.html
(Image Database) http://code.google.com/p/tesseract-ocr/ boxtiff-2.01.eng.tar
(Image Database) CMU/VASC Image Database

connected component labeling is

Free eBooks by Project Gutenberg
(Image Database – Request Access) The grayscale FERET Database
(Image Database – Request Access) Face Database