00302nas a2200109   4500000000100000000000100001008004100002260003800043100001800081700001700099245007600116       2012                            d  c28-29 Dec. 2012 aKolkata, India 1 aChinmay Maiti1 aBibhas Dhara00aA binary watermarking scheme using quantization levels of BTC-PF method