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A precise zoom magnification is important for semiconductor industry and biomedical research. A novel measurement method is demonstrated for optical zoom magnification measurement in this paper. The magnification is obtained by pattern correction between barcode image formed by optical zoom and reference image generated by an ideal optical model. Measurement accuracy which is better than 0.06% has been achieved for optical zoom magnifica- tion. Compared with traditional concept, the measurement results are only dependent on two line edges. The barcode correlation method can achieve higher accuracy and better robustness by using the information over the whole field of view. 相似文献
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文章从三个方面论述了电影画面的反常规处理的方式及其审美意义:一、空间象征性构图与时间上的流动性剖示以及色彩的人性化通过摄影机镜头表现出强烈的艺术魅力;二、在技术方面,摄影技术的日益发展为导演创作带来手提摄影和变焦镜头等探索性操作并诞生出无数经典画面:三、电影画面的反常规处理激发了观众理性思索并提高了审美情趣,完成由陌生到熟悉的接受过程.使得此类画面处理愈发显示出现代审美意义。 相似文献
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每个人都有这样的感受,当你欣赏一件精美的艺术品或是观看体味—件作品的时候,不知不觉中你会以一种特定的节奏用你的思维去咀嚼品味。“感时花溅泪,恨别鸟惊心”,如果你的心情郁闷无靠而浮躁,那肯定是一种蜻蜓点水式的节奏——漂 相似文献