نتایج جستجو برای: historical
تعداد نتایج: 108334 فیلتر نتایج به سال:
Genetic stock structure and historical demography of Indian oil sardine, a commercially and ecologically important small pelagic fish, was studied using mitochondrial control region and Cytochrome C Oxidase I (COI) sequences. A 758 bp portion of the control region in 287 individuals and a 576 bp portion of the COI gene in 291 individuals from 10 locations along the distribution range were ampli...
This work presents a theoretical framework in which health promotion and health education program implementation can be conceived as an open dynamic system. By tracing the evolution of an elementary school-based nutrition program from its conception to its recent form, we construct a program genealogy. Data were derived from two interviews and three historical documents from which historical ev...
Although the first censuses were the only practical means of surveying a nation’s population, the development of sample survey methodologies means censuses are increasingly justified by the specifically geographical detail they uniquely provide. The same is arguably true of historical census studies: a two per cent sample taken from many millions is quite sufficient to study national class or h...
This paper describes HICAP, a general purpose planning architecture that we have developed and applied to assist military commanders and their sta with planning NEOs (Noncombatant Evacuation Operations). HICAP integrates a hierarchical task editor, HTE, with a conversational casebased planner, NaCoDAE/HTN. In this application, HTE maintains an agenda of tactical planning tasks that, according t...
Language technology tools can be very useful for making information concealed in historical documents more easily accessible to historians, linguists and other researchers in humanities. For many languages, there is however a lack of linguistically annotated historical data that could be used for training NLP tools adapted to historical text. One way of avoiding the data sparseness problem in t...
Rakkan is a Japanese word for the signature and/or seal of the artist for a completed painting. In this paper, we present a binarization scheme for ukiyo-e Rakkan extraction. The Rakkan characters are extracted based on both lightness and color information in L∗a∗b∗ color space using k-means clustering. Different thresholding and noise removal methods are applied to different types of Rakkan im...
In recent years the distribution of work in Britain has "hollowed out", with a growth in the proportions of both "work-rich" and" work-poor" households. The growth in twoand zero-earner couples evident in cross-sectional snapshots has different implications for the distribution of family income (in long and short terms) according to whether more people are experiencing episodes of a given lengt...
Readability of document images is one core issue when analysing historical documents. One way to improve the readability of those document images is image binarization. By separating the written text from its background, documents degraded by, e.g., stains or faded ink become better readable. Due to the large quantity of available historical document images, this binarization needs to be done e...
Word spotting is an important recognition task in historical document analysis. In most cases methods are developed and evaluated assuming perfect word segmentations. In this paper we propose an experimental framework to quantify the effect of goodness of word segmentation has on the performance achieved by word spotting methods in identical unbiased conditions. The framework consists of genera...
Characterizing noisy or ancient documents is a challenging problem up to now. Many techniques have been done in order to effectuate feature extraction and image indexation for such documents. Global approaches are in general less robust and exact than local approaches. That’s why, we propose in this paper, a hybrid system based on global approach (fractal dimension), and a local one, based on S...
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