Book:
https://books.google.com/books?id=icZMX_fHHNgC&pg=RA1-PA28&lpg=RA1-PA28&dq=digital+camera+programming+language&source=bl&ots=bBIHI_4Qiq&sig=Fr5RqZ5UvZADHC6nohqbKK4gspE&hl=en&sa=X&ved=0CFMQ6AEwCWoVChMI2cjHkuvUyAIVCaGACh2r0gxU#v=onepage&q=digital%20camera%20programming%20language&f=false
http://www.i-programmer.info/programming/hardware/3955-the-digital-camera.html?start=1
http://iplab.dmi.unict.it/download/Elenco%20Pubblicazioni%20(PDF)/International%20Journals/IJ2%202001%20Intro_DSC%20STJournal.pdf
Google Scholar article:
http://www.karbowski.info/UConn/Handouts/Week11/HowDigitalCamerasWork.pdf
Articles about CCD's:
http://scientificcuriosity.blogspot.com/2006/10/how-does-digital-photograph-work.html
http://www.specinst.com/What_Is_A_CCD.html
Articles on film and digital
http://photography.about.com/od/filmvsdigital/a/FilmVsDigital.htm
General info about digital cameras:
http://www.livescience.com/33789-digital-cameras-work-llmmp.html
http://electronics.howstuffworks.com/cameras-photography/digital/digital-camera1.htm
EXIF (Exchangeable Image Format):
http://www.howtogeek.com/203592/what-is-exif-data-and-how-to-remove-it/
http://metapicz.com/#landing
Helpful Videos:
https://www.youtube.com/watch?v=2ZXamWYdUgQ
https://www.youtube.com/watch?v=XGdEsOg5eD0