134 search results - page 9 / 27 » Exploiting Image Indexing Techniques in DCT Domain |
ICIP
2001
IEEE
14 years 8 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
ICMCS
2005
IEEE
14 years 9 days ago
2005
IEEE
Finding faces in visually challenging environments is crucial to many applications, such as audio-visual automatic speech recognition, video indexing, person recognition, and vide...
IWDW
2005
Springer
14 years 6 days ago
2005
Springer
Abstract. In this paper, the security of Dither Modulation Quantization Index Modulation schemes for digital images is analyzed. Both pixel and DCT coefficient quantization schemes...
VCIP
2003
13 years 8 months ago
2003
Two types of coders dominate the field of video compression research today: well-established hybrid coders, that are in the core of all MPEG and H.26X standards, and emerging thr...
CVPR
2007
IEEE
14 years 8 months ago
2007
IEEE
Matching local features across images is often useful when comparing or recognizing objects or scenes, and efficient techniques for obtaining image-to-image correspondences have b...