本文選題：青銅器　切入點(diǎn)：圖像碎片　出處：《西安電子科技大學(xué)學(xué)報(bào)》2016年06期 　論文類型：期刊論文

【摘要】：針對(duì)青銅器小碎片人工拼接復(fù)原耗時(shí)費(fèi)力的問(wèn)題,提出了一種基于曲率特征的青銅器小碎片虛擬拼接方法.首先分別提取青銅器小碎片的輪廓,并在平滑處理提取結(jié)果的基礎(chǔ)上計(jì)算輪廓的曲率.其次以曲率的局部極大值點(diǎn)作候選角點(diǎn),再根據(jù)支撐域消除圓角點(diǎn)和偽角點(diǎn).然后計(jì)算相鄰兩角點(diǎn)間的弦長(zhǎng),以弦長(zhǎng)作為特征序列進(jìn)行匹配.最后在平移旋轉(zhuǎn)過(guò)程中利用向量模的不變性進(jìn)行匹配精化處理,得到青銅器小碎片的最終拼接結(jié)果.實(shí)驗(yàn)結(jié)果表明,該方法能夠有效地提高拼接效率和匹配效果.
[Abstract]:Aiming at the time-consuming problem of manual splicing and restoration of small pieces of bronze, a method of virtual splicing of small pieces of bronze based on curvature characteristics is proposed. Firstly, the contours of small fragments of bronze are extracted separately. The curvature of the contour is calculated on the basis of the result of smoothing processing. Secondly, the local maximum of curvature is used as the candidate corner point, then the circular corner and pseudo-corner are eliminated according to the support region, and the chord length between the adjacent two corners is calculated. The string length is used as the feature sequence to match. Finally, the invariance of vector mode is used to refine the matching in the process of translation and rotation, and the final splicing results of small pieces of bronze ware are obtained. The experimental results show that, This method can effectively improve the efficiency of stitching and matching effect.
【作者單位】： 中北大學(xué)計(jì)算機(jī)與控制工程學(xué)院;山西博物院文物保護(hù)中心;
【基金】：山西省自然科學(xué)基金資助項(xiàng)目(2013011017-4) 山西省重點(diǎn)研發(fā)計(jì)劃(指南)資助項(xiàng)目(201603D321128) 山西省研究生教育創(chuàng)新資助項(xiàng)目(2016SY051)
【分類號(hào)】：K876.41;TP391.41

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