A Review on Implementation of Digital Image Watermarking Techniques Using LSB and DWT

Abstract

The authentic document should be available for the legitimate user so that none other than him can use the document; there are some instances to protect any document from modification, or distribution of the properties in non-authentic way. In this, author has reviewed and implemented the discrete wavelet transform and singular value decomposition with LSB-based techniques to protect the digital rights. The schemes is to develop authentic intellectual properties and prevent them from exhibiting to unknown user. The cover image (the image in which watermark is inserted) is to be fractioned into (HH, LH, LL, and HL) by using commonly used method of transforming frequency domain. This transform can be directly applied to each and every subordinate bands of the original image. The extraction mechanisms work in accordance with the previous work done by the embedding algorithm. The output and the frequency of image will determine strength, apparently maintaining the better quality and robustness to many attacks to compromise the security of intellectual property such as JPEG compression, Gaussian noise, and there are many more.