146 search results - page 20 / 30 » Enhance Performance of Secure Image Using Wavelet Compressio... |
IJON
2006
14 years 9 months ago
2006
Digital colour image enhancement using a homomorphic filter provides good dynamic range compression, but it fails in colour rendition. In this letter, we propose to perform natura...
109
Voted
TIP
2010
14 years 7 months ago
2010
—Salient areas in natural scenes are generally regarded as areas which the human eye will typically focus on, and finding these areas is the key step in object detection. In com...
ICMCS
2007
IEEE
15 years 3 months ago
2007
IEEE
EROS is the largest database in the world of high resolution art pictures. The TSAR project is designed to open it in a secure, efficient and user-friendly way that involves cryp...
ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
APCCAS
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper, we develop a robust bit-plane watermarking technique based on zerotree coding. A robust watermark is an imperceptible but indelible code that can be used for owners...