نتایج جستجو برای: mosaic
تعداد نتایج: 21042 فیلتر نتایج به سال:
Female chromosome X mosaicism is age-related and preferentially affects the inactivated X chromosome
To investigate large structural clonal mosaicism of chromosome X, we analysed the SNP microarray intensity data of 38,303 women from cancer genome-wide association studies (20,878 cases and 17,425 controls) and detected 124 mosaic X events >2 Mb in 97 (0.25%) women. Here we show rates for X-chromosome mosaicism are four times higher than mean autosomal rates; X mosaic events more often include ...
The mosaic generation methods benefit from recent global motion estimation (GME) methods, which yield almost accurate estimation of motion parameters. However, the generated mosaics are usually more blurred than original frames due to image warping stage and errors in motion estimation. The transformed coordinates resulting from GME are generally real numbers whereas images are sampled into int...
As a new scene representation scheme, the concentric mosaic offers a quick way to capture and model a realistic 3D environment. This is achieved by shooting a lot of photos of the scene. Novel views can be rendered by patching vertical slits of the captured shots. The data amount in the concentric mosaic is huge. In this work, we compress the concentric mosaic image array with a 3D wavelet sche...
We are studying the geometry of a 360 x 360 mosaic image formation. A 360 x 360 mosaic camera model and a calibration procedure are proposed. It is shown that only one point correspondence is needed in order to acquire epipolarily rectified images. The 360 x 360 mosaic camera model is therefore determined by only one intrinsic parameter. It is shown that the relation between coordinates estimat...
Genomic components of the begomovirus causing yellow mosaic disease (YMD) in soybean in Delhi were cloned, sequenced and infectivity proved. Nucleotide sequence analysis of the virus isolate revealed more than 89% identity with Mungbean yellow mosaic India virus (MYMIV) and therefore it is designated as soybean isolate of MYMIV (MYMIV-[Sb]). Total nucleotide and predicted amino acid sequence an...
Image mosaic technology is the popular research direction of the computer graphics and the computer vision, it is widely applied in the area such as the remote sensing, the space exploration, the medical image analysis, the virtual reality and the super resolution. In this paper, an image mosaic algorithm based on the Harris is proposed after the theory research. Through the key algorithm of Ha...
The surprise was great in the early 1970s when it was shown that valine could be covalently attached to the 3' terminus of the genomic RNA from turnip yellow mosaic virus (TYMV) by valyl-tRNA synthetase (1) and, soon after, that tyrosyland histidyl-tRNA synthetases can aminoacylate the RNAs from brome mosaic virus (BMV) and tobacco mosaic virus (2, 3). The surprise was even greater when it was ...
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