7,785 research outputs found

    A study of methods to predict and measure the transmission of sound through the walls of light aircraft. A survey of techniques for visualization of noise fields

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    A survey of the most widely used methods for visualizing acoustic phenomena is presented. Emphasis is placed on acoustic processes in the audible frequencies. Many visual problems are analyzed on computer graphic systems. A brief description of the current technology in computer graphics is included. The visualization technique survey will serve as basis for recommending an optimum scheme for displaying acoustic fields on computer graphic systems

    AUPLOT 2 - A system of data handling and plot instruction subroutines for computer graphics

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    AUPLOT 2, set of callable subroutines for computer graphic

    Using digital storytelling as a methodology for the introduction of socially responsible graphic design in a University Bachelor of Computer Graphic Design Programme

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    This paper case studies the pedagogical methodology for a digital storytelling project involving final semester Bachelor of Computer Graphic Design students and students from a community based charitable arts trust. A young artist is paired with a senior tertiary graphic design student to create digital narratives that attempt to remain within the spirit of the original goals of the Digital Storytelling Movement. The project aims to introduce socially responsible graphic design to tertiary computer graphic design students and foundation arts students. Discussion of the learning outcomes of this project, including analysis of the results of the personal breakthroughs made by students as seen in their written accounts in project completion surveys are detailed

    Surveying Computer Graphic Trends

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    Computer graphics is a new tool for the visual artist. Historic and educational theories and facts outline the rapid growth of the medium and how it has become an essential tool for educators, researchers and businesses. Business applications remain at the periphery of computer graphic applications, but are included in the general trend of the new medium\u27s development. Visual art generated through computer graphic imaging is exemplified in the work of artists: Barbara Nessim, computer graphic student, Jim Squires, and the team of computer graphic artists, Richard Chuang and Glenn Entis. Nessim is a career graphic designer and artist, who only recently chose to explore the computer graphic medium. Jim Squires is a student of computer graphic art who generates images by writing programs for that purpose. The team of Chuang and Entis generates animated computer graphics in its own studio, Pacific Data Images, for commercial purposes. An overview of how each artist works, and what considerations must be made in generating these images, gives an understanding of the general trends prevalent in the computer graphic field. A type of shape called a “fractal” is discussed to illustrate the importance these shapes have in computer imaging. Fractals had little importance for any discipline until they could be generated on the computer screen. Their relevance to the analysis of chaotic shapes in nature has opened a whole new realm of study for disciplines such as mathematics, ecology and meteorology, among others. The computer graphic field is a new and essential by-product of the computer revolution. The discipline is important for visual artists because it is a virtually unexplored medium that has great potential

    Computer graphics data conditioning

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    Graphics data conditioning program expedites engineering analysis of flight data and ensures timely correction of measurement errors. By adding interactive computer graphic displays to existing data conditioning programs, computational results are immediately visible, enabling on-line intervention and control of computer processing

    Computer Graphic and Photographic Image Classification using Local Image Descriptors

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    With the tremendous development of computer graphic rendering technology, photorealistic computer graphic images are difficult to differentiate from photo graphic images. In this article, a method is proposed based on discrete wavelet transform based binary statistical image features to distinguish computer graphic from photo graphic images using the support vector machine classifier. Textural descriptors extracted using binary statistical image features are different for computer graphic and photo graphic which are based on learning of natural image statistic filters. Input RGB image is first converted into grayscale and decomposed into sub-bands using Haar discrete wavelet transform and then binary statistical image features are extracted. Fuzzy entropy based feature subset selection is employed to choose relevant features. Experimental results using Columbia database show that the method achieves good detection accuracy

    Theoretical studies of solar-pumped lasers

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    The power output of a black body solar-pumped laser as a function of time (computer graphic solutions) and under steady state conditions (analytic conditions); computer analyses of polymerization using lasers; and metallic sodium as a laser medium were studied

    The Awareness and Incidence of Repetitive Strain Injuries in The Computer Graphic Industries in Lagos State, Nigeria

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    In this paper, the awareness and incidence of repetitive strain injuries (RSI) in the computer graphic industries were examined using data collected from 30 computer graphic designers across different firms in Lagos State, Nigeria. The study shows that 36.7% of the designers were not aware of RSI, and only 33.3% of those that were aware were taking conscious effort on reducing the symptoms. Most of the designers, 73.4%, make use of their computers 8 to 10 hours per day and very few (3.3%) take time to observe breaks while working. Majority get so immersed in their work on the computer that they forget about time. The study also shows that a lot of the designers do not maintain good posture while working. Overall, ignorance was observed to be the major risk factor for RSI. Hence, it is necessary to educate and raise alertness on the incidence of RSI in the computer graphic industry in order to prevent further increase of the problem. Keywords: repetitive strain injury, computer graphic industry, Lagos state, Nigeri
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