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6.553  Articles
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Recursive partitioning of significant wavelet sub-bands (RPSWS) is an embedded rate scalable wavelet-based image coding algorithm. The RPSWS coder produces a fully embedded bit stream and encodes the image to exactly the desired bit rate (precise rate con... see more

Embedded scalable image coding algorithms based on the wavelet transform have received considerable attention lately in academia and in industry in terms of both coding algorithms and standards activity. In addition to providing a very good coding perform... see more

This paper proposes a new algorithm termed Quad Tree-Discrete Cosine Transform (QT DCT). QT-DCT is a low complexity algorithm that combines the good energy compaction ability and the simplicity of the DCT used by the Joint Photographic Expert Group (JPEG)... see more

Qualitative research aimed at "mechanismic" explanations poses specific challenges to qualitative data analysis because it must integrate existing theory with patterns identified in the data. We explore the utilization of two methods—coding and qualitativ... see more

The object of this research is the methods and algorithms for frame synchronization used in multi-antenna radio systems (Multiple Input Multiple Output – MIMO). The implementation of radio communication systems and, in particular, MIMO, implies that the d... see more

The object of this research is the methods and algorithms for frame synchronization used in multi-antenna radio systems (Multiple Input Multiple Output – MIMO). The implementation of radio communication systems and, in particular, MIMO, implies that the d... see more

Tracking and recognizing human face becomes one of the important research subjects nowadays, where it is applicable in security system like room access, surveillance, as well as searching for person identity in police database. Because of applying in secu... see more

Reduced memory set partitioned embedded block (SPECK) image coder is proposed in this paper large runtime memory is required by the original SPECK algorithm due to use of linked lists, so it is unsuitable for memory constrained portable devices. In the pr... see more

Medical images carry huge and vital information. It is necessary to compress the medical images without losing its vital-ness. The proposed algorithm presents a new coding technique based on  image compression using contourlet transform used in diff... see more

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