Sciweavers

1560 search results - page 204 / 312
» Example-based image compression
Sort
View
ECCV
2006
Springer
16 years 8 months ago
Detecting Doctored JPEG Images Via DCT Coefficient Analysis
Abstract. The steady improvement in image/video editing techniques has enabled people to synthesize realistic images/videos conveniently. Some legal issues may occur when a doctore...
Junfeng He, Zhouchen Lin, Lifeng Wang, Xiaoou Tang
ICIP
2004
IEEE
16 years 8 months ago
Robust perceptual image hashing using feature points
Perceptual image hashing maps an image to a fixed length binary string based on the image's appearance to the human eye, and has applications in image indexing, authenticatio...
Vishal Monga, Brian L. Evans
ICIP
2003
IEEE
16 years 8 months ago
Rotation-invariant features based on steerable transforms with an application to distributed image classification
In this paper, we propose a new rotation-invariant image retrieval system based on steerable pyramids and the concept of angular alignment across scales. First, we define energy-b...
Baltasar Beferull-Lozano, Antonio Ortega, Hua Xie
ICIP
2005
IEEE
16 years 4 days ago
Digital "bullet scratches" for images
The problem investigated in this paper is identification of sensor that was used to obtain a given digital image. We show that the high-medium frequency component of the sensor pa...
Jan Lukás, Jessica J. Fridrich, Miroslav Go...
195
Voted
IPSN
2010
Springer
15 years 8 months ago
Information processing for live photo mosaic with a group of wireless image sensors
Photo tourism [11] is a platform that allows users to transform unstructured online digital photos into a 3D experience. Nowadays, image sensors are being extensively used to allo...
Fulu Li, James Barabas, Ana L. Santos