—This paper discusses two new frame types, SP-frames and SI-frames, defined in the emerging video coding standard, known as ITU-T Rec. H.264 or ISO/IEC MPEG-4/Part 10-AVC. The main feature of SP-frames is that identical SP-frames can be reconstructed even when different reference frames are used for their prediction. This property allows them to replace I-frames in applications such as splicing...

The taxonomy of cyanobacteria has been substantially modified in the last few decades, particularly after application of modern ultra structural and molecular methods. The present research, therefore, aimed to investigate, through a polyphasic approach, the differences in morphological and genotypic features of two cyanobacteria strains isolated from different agricultural and freshwaters areas...

Conognatha (Pithiscus) coffeatus sp. nov. and Conognatha (Pithiscus) puris sp. nov., both from the Atlantic Rainforest (type locality: Itatiaia, Rio de Janeiro State, Brazil), are described and illustrated. They differ from each other mainly by the elytral colour pattern, presence of a short longitudinal groove between the vertex and the frons in C. (P.) puris sp. nov., and differences in frons...

The use of parallel structures, such as a Stewart platform (SP), for machine tools is a current trend. Some powerful analytical tools are needed to analyse the effect of errors in parallel structures. A model of a SP was analysed to include all the sources of errors [1]. We developed a similar error model to a Stewart platform and a Modified Stewart platform (MSP). Both SP and MSP designs have ...

A new antifungal compound, Sch 37137, was isolated from the cultured broth of a Micromonospora sp., SCC 1792. Sch 37137 is structurally related to A 19009, a dipeptide previously discovered from a Streptomyces sp. The compound was weakly active against species of Candida and dermatophytes (mean MICs greater than or equal to 128 micrograms/ml) in Sabouraud dextrose, yeast-nitrogen and modified E...

a determination of the genetic variation of the fungus isolated from graminous weeds which is highly beneficial to know probable genetic recombination in the fungus populations was done for the first time in iran through pcr reaction. the isolates of fungus “magnaporthe grisea” from graminous weed hosts and from rice were analyzed through rapd-pcr to assay the mating type and genetic diversity....

Several characterizations of a New Modified Weibull distribution, introduced by Doostmoradi et al. (2014), are presented. These characterizations are based on: (i) truncated moment of a function of the random variable (ii) the hazard function (iii) a single function of the random variable (iv) truncated moment of certain function of the 1st order statistic.

SP and SI frames are new picture types introduced in the latest video coding standard H.264. They allow driftfree bitstream switching and can also be used for error-resilience and random access. We investigate the benefits of SI and SP frames for error resilience as compared to periodic I frame insertion. We discuss the rate-distortion performance of SI and SP frames based on empirical rate-dis...

-The present paper deals with a modification on the selection of linear systematic sample of odd size. Consequently the proposed method is called modified linear systematic sampling. The performances of the modified linear systematic sampling are assessed with that of simple random sampling and linear systematic sampling for certain hypothetical populations. As a result, it is observed that the...