教師資料查詢 | 類別: 期刊論文 | 教師: 蔣樹民 CHIANG SHU-MIN (瀏覽個人網頁)

標題:A modified homomorphic approach on invariant features of object images
學年81
學期2
出版(發表)日期1993/06/01
作品名稱A modified homomorphic approach on invariant features of object images
作品名稱(其他語言)
著者Lin, Yung-tsan; Fang, Ning; Cheng, Ming-chieh; Chiang, Shu-min
單位淡江大學電機工程學系
出版者Amsterdam: Elsevier BV
著錄名稱、卷期、頁數Pattern recognition letters 14(6), pp.453-463
摘要A homomorphic system based approach for extracting invariant features of object images is proposed in this paper. By this approach, the statistical values such as mean, variance, skewness, and kurtosis are calculated from the Walsh-domain intensity histogram of the object image. It is found that the statistical characteristics of this histogram are invariant under different environments of the object image such as translation, rotation, scale change, illumination change, and noise corruption. Hence these values can be used as features of the object image and applied to check whether the object is locked on or not during the tracking phase in an image tracking system. By experimental results, we find that these features keep close or better performance compared with the well known invariant moments methods for TV or FILR images, respeectively.
關鍵字Image segmentation; features; homomorphic system; Walsh transform; invariant moments; skewness; kurtosis
語言英文
ISSN0167-8655;1872-7344
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