Time-of-flight (TOF) cameras provide a depth value at each pixel; from which the 3D structure of the scene can be estimated. This new type of active sensor makes it possible to go beyond traditional 2D image processing; directly to depth-based and 3D scene processing. Many computer vision and graphics applications can benefit from TOF data; including 3D reconstruction; activity and gesture recognition; motion capture and face detection. It is already possible to use multiple TOF cameras; in order to increase the scene coverage; and to combine the depth data with images from several colour cameras. Mixed TOF and colour systems can be used for computational photography; including full 3D scene modelling; as well as for illumination and depth-of-field manipulations. This work is a technical introduction to TOF sensors; from architectural and design issues; to selected image processing and computer vision methods.
#84546 in eBooks 2013-06-25 2013-06-25File Name: B00DIQ9K22
Review
0 of 0 people found the following review helpful. Excellent ReferenceBy Speed DaemonMany; many years ago I was an aspiring sound engineer with one big problem: the lighting gear. Back then a dimmer pack would wreak havoc with the PA system; creating unwanted buzzes and noise. Thanks to a high school electronics class; I learned enough about AC "mains" power distribution to start building my own power systems that isolated the audio from the lighting; and (mostly) curing the buzz problem. Much of that good knowledge was wiped away by a formal education in electrical engineering; and I let the licensed electricians handle the power stuff from thereafter. Now Im retired and doing audio; video and even lighting for fun. And since the rental companies will turn over a generator and high current cables over to anyone with cash; I figured it was time to have a book that just might avert disaster as us old guys play with high voltages.This book is a must-have reference for people who are involved in community theater; houses of worship; low budget films and other situations where safe and solid electrical power is needed; but where a qualified electrician might not be in the budget. Before reading this book; I had never noticed the company switch in the local theater; and now I know how to use one safely. For those of us who only have dim memories of AC theory; its a one-stop shop for all those answers that we used to know by heart. It would make a fine textbook for an adult continuing education class.6 of 6 people found the following review helpful. Buy. This. Book.By Andrew KurcanAs a studio lighting guy turned Technical Director I quickly found out there was a lot I didnt really know about electricity. Once you leave behind engineered drops of 20-60A stagepins; the world gets complicated quite a bit. And; for liabilitiys sake; most electricians wont go into too great of detail. But - you NEED to know this stuff if youre planning full shows from the ground up. Enter this book - well written; straight up tells you when to involve someone with more knowledge; and easy to comprehend. A great addition to any show professionals library!2 of 2 people found the following review helpful. EXCELLENT technical explanations; picks up where Harry Box stops.By LukeThis is an absolutely A+ book for any lighting technician whos interested in the principles behind what were doing; or who hopes to do any technical troubleshooting at all. Cadena picks up where Harry Box leaves off--this book has very minimal (one chapter) practical set skills; but goes into great detail explaining the WHY. It also has a couple pages of example problems at the end of each chapter; with the solutions at the back; just like high school. If youre a neck-down kinda guy; you dont need and wont enjoy this book. If you geek out on understanding WHY we figure-eight feeder (aka; why coiled feeder sucks more juice without doing any more work/lighting) or HOW power factor comes to exist; rather than just understanding you need to overbuild the distro; this book is for you. I dont expect to ever sit down with a calculator and run trig to understand the degree of phase shift from a ballast while on set; but I do think wrapping my head around this stuff has made me a much better technician; and will help me problem solve the ever-increasing complexity that is entertainment power.