50 search results - page 8 / 10 » DCT quantization noise in compressed images |
DATE
2007
IEEE
14 years 10 days ago
2007
IEEE
: 2-D Discrete Cosine Transform (DCT) is widely used as the core of digital image and video compression. In this paper, we present a novel DCT architecture that allows aggressive v...
TCSV
2010
13 years 21 days ago
2010
Abstract--This paper proposes a no-reference quality assessment metric for digital video subject to H.264/AVC encoding. The proposed metric comprises two main steps: coding error e...
TIP
1998
13 years 5 months ago
1998
Abstract—A postprocessing algorithm is proposed to reduce the blocking artifacts of Joint Photographic Experts Group (JPEG) decompressed images. The reconstructed images from JPE...
IPCV
2007
13 years 7 months ago
2007
- In this paper a Discrete Wavelet Transform based blind watermarking algorithm is proposed for embedding a grayscale watermark into a grayscale image. A new approach of choosing t...
ICIP
2004
IEEE
14 years 7 months ago
2004
IEEE
The paper addresses the problem of improving the MPEG compression of synthetic video sequences by exploiting the knowledge about the original 3D model. Two techniques are proposed...