Add to ORKGIn wavelet image compression, all information loss occurs during quantization. Based on the property of bi-orthogonal wavelets, optimal 2-D quantization er-ror feedback lters are designed to reduce the recon-struction error. With very low complexity with regard to computation and implementation the error feedback system improves the PSNR of reconstructed image by about 0.25 dB. In addition, due to its similar structure to the dithered quantizer, it also improves the subjec-tive quality of the reconstructed image by reducing the contouring and ranging eect. 1
In image coding applications, vector quantization (VQ) has widely been accepted as an effective comp...
Lossy image compression algorithms sacrifice perfect imagereconstruction in favor of decreased stora...
The thesis proposes the current approaches in wavelet technology which has provided efficient framew...
In this paper, we introduce a compression algorithm using wavelet transform. The principle of wavele...
Conference theme: Connecting the WorldIt is well known that orthogonal wavelet transform with filter...
Abstract: Quantization of compressed image file reduces the requirements for memory storage and the ...
A visually-optimal quantization and rate-control strategy based on results of recent contrast sensit...
<div>The fast development of computing multimedia has led to the demand of using digital images. The...
The orthogonal wavelet transform with filters of nonlinear phase gives poor visual results in low bi...
The design of a wavelet image coder can be divided into three parts: wavelet representation, quantiz...
Most high resolution medical images such as X-ray radiographic images require enormous storage space...
In this paper, a new technique to define the size of quantization interval is defined. In general, h...
Biorthogonal and orthogonal filter pairs derived from the class of binomial product filters are cons...
As the digital information must be stored and recovered in an effective ways, it is necessary to com...
International audienceThis paper proposes a new linear scalar quantization algorithm. A modified Llo...
In image coding applications, vector quantization (VQ) has widely been accepted as an effective comp...
Lossy image compression algorithms sacrifice perfect imagereconstruction in favor of decreased stora...
The thesis proposes the current approaches in wavelet technology which has provided efficient framew...
In this paper, we introduce a compression algorithm using wavelet transform. The principle of wavele...
Conference theme: Connecting the WorldIt is well known that orthogonal wavelet transform with filter...
Abstract: Quantization of compressed image file reduces the requirements for memory storage and the ...
A visually-optimal quantization and rate-control strategy based on results of recent contrast sensit...
<div>The fast development of computing multimedia has led to the demand of using digital images. The...
The orthogonal wavelet transform with filters of nonlinear phase gives poor visual results in low bi...
The design of a wavelet image coder can be divided into three parts: wavelet representation, quantiz...
Most high resolution medical images such as X-ray radiographic images require enormous storage space...
In this paper, a new technique to define the size of quantization interval is defined. In general, h...
Biorthogonal and orthogonal filter pairs derived from the class of binomial product filters are cons...
As the digital information must be stored and recovered in an effective ways, it is necessary to com...
International audienceThis paper proposes a new linear scalar quantization algorithm. A modified Llo...
In image coding applications, vector quantization (VQ) has widely been accepted as an effective comp...
Lossy image compression algorithms sacrifice perfect imagereconstruction in favor of decreased stora...
The thesis proposes the current approaches in wavelet technology which has provided efficient framew...