視覺探向 的英文怎麼說
中文拼音 [shìjiàotànxiàng]
視覺探向
英文
visual direction finding-
The driver - assistance system that employs computer vision technology is one of the booming research fields, due to their extensive signal detection range, integrity and excellent " quality - cost " ratio
採用計算機視覺技術的輔助駕駛系統，由於其探測范圍的完整性和寬廣性，具有優越的性價比，是輔助駕駛系統的重點發展方向之一。In this paper, we first established the image metadata used in our system which based on the famous dublin core, then we analyzed the abstraction and description visual features of image such as color texture and shape. next, we discussed the problem of similarity measure of visual feature, imported fuzzy logic into the distance feature and pointed out the disadvantages of geometry space based methods. for multi - dimension vector ' s high dimension nature, it ' s hard to index with traditional methods, we discussed how to lower the dimension using clustering and klt transformation
本文首先在dublincore的基礎上制定了適合我們要求的圖像元數據集；詳細分析了顏色、紋理、形狀等視覺特徵的提取和表示方法；探討了圖像視覺特徵相似度量的問題，將模糊技術引入直方圖的距離度量，分析了幾何空間距離度量函數的不足之處，提出了系統中採用的距離函數；針對圖像視覺特徵向量的多維特性，分析了現有的各種降維技術和多維索引技術。
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