KAPLAN, MURRAY L., AND GILBERT A. LEVEILLE. Core temperature, 02 consumption, and early detection of ob/ob genotype in mice. Am. J. Physiol. 227(4) : 912-915. 1974.-Oxygen consumption and core temperature of ob/ob mice and their thin littermates were measured at various ambient temperatures from 10 to 30°C. At every ambient temperature studied, adult obese mice exhibited lower 02 consumptions a...

The Set Partitioning in Hierarchical Trees (SPIHT) approach for still image compression proposed by Said and Pearlman [8], is one of the most efficient embedded gray image compression schemes till date. The algorithm relies on a very efficient scanning cum bit-allocation scheme for quantizing the coefficients obtained by a wavelet decomposition of an image. In this paper, we adopt this scheme t...

| A VLSI architecture designed to perform real-time image compression using wavelets is described. The two basic modules of the architecture are a 2-D wavelet transform generator and a coder based on the SPIHT algorithm for lossy image compression. A folded architecture is proposed for computing the 2-D wavelet transform. The architecture uses 3 parallel computational units and 2 storage units....

This paper describes a computationally efficient hybrid video coding scheme. The proposed hybrid coding scheme combines the advantages of simple hardware complexity of the 3-D discrete cosine transform coding and the high performance of the 3-D set partitioning in hierarchical tree (3-D SPIHT) coding. The modification of the subband video data in the wavelet domain is done based on the DCT tran...

Digital Imaging and Communications in Medicine (DICOM) is a standard used for distribution and viewing of medical images from different modalities. In this paper, we propose a method for compressing DICOM images based on the well-known Set Partitioning in Hierarchical Trees (SPIHT) which possess the progressive transmission capabilities useful for telemedicine applications. This is in sharp con...

The high quality of the image produced by CT scan and MRI techniques is required to be maintained in order to avoid wrong diagnosis along with reduced file size. A lossless compression technique retains the image quality but achieves low to moderate compression ratio. Lossy compression, on the other hand, provides higher compression at the cost of degraded image quality. Thus there is need of i...

Biorthogonal wavelets have been used with great success in most of the recent transform image coders. By using the new balanced multiwavelets, one can now easily design fully orthogonal linear phase FIR transform schemes. The aim of our work is to assess whether the added orthogo-nality yields a performance gain compared to traditional biorthogonal transforms. As comparison platform we use the ...

In this paper, a novel approach for Embedded to Lossless Image Coding (ELIC) is presented. With embedded to lossless coding, lossy encodings of the image at all lower bit rates are embedded in the lossless bit stream. This algorithm uses wavelet transforms that map integers to integers with embedded coding. The coding is based on bit significance criteria in which coefficients that become signi...

Traditionally, data hiding and compression have had contradictory goals. The former problem adds perceptually irrelevant information in order to embed data, while the latter removes this irrelevancy and redundancy to reduce storage requirements. In this paper, we use data hiding to help improve signal compression.We take an unconventional approach and consider “piggy-backing” the color informat...

The wireless sensor network utilizes image compression algorithms like JPEG, JPEG2000, and SPIHT for image transmission with high coding efficiency. During compression, discrete cosine transform (DCT)–based JPEG has blocking artifacts at low bit-rates. But this effect is reduced by discrete wavelet transform (DWT)–based JPEG2000 and SPIHT algorithm but it possess high computational complexity. ...