基于內(nèi)容的圖像視頻瀏覽與檢索-盧漢清-資料下載頁(yè)
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【正文】 (2) Expand the feature function into Fourier series: ???? ??? 10 )s i nc os(21)(nnnii nbnaaef ????????1)(~nnni zczf)1(,2/00 ???? nibacac nnn),1)(( nief ii ??(3) We obtain the Schwarz representation of the shape dwzwfwfwizfrwiii ? ?????||1)(~)(~21)(?3. Compute the inverse functions of )(~ zfikkki zaf ????? ?11And expand them into polynomials. Image Retrieval from model image (1) Extract the onedimensional feature of model image, expand the feature function in to Fourier series and obtain the Schwarz integral (2)Compute the matching function by (3)Compute similarity measure (4)Output the most k similar image as result. )(~ zgE/1)( ?ieggfw ii ~~~ 1??The matching method can be used both to find the correspondent points and to measure the similarity between two shapes 模式識(shí)別國(guó)家重點(diǎn)實(shí)驗(yàn)室 中國(guó)科學(xué)院自動(dòng)化研究所 National Laboratory of Pattern Recognition Institute of Automation, Chinese Academy of Sciences 模式識(shí)別國(guó)家重點(diǎn)實(shí)驗(yàn)室 中國(guó)科學(xué)院自動(dòng)化研究所 National Laboratory of Pattern Recognition Institute of Automation, Chinese Academy of Sciences Summary ? Shape representation and Matching ? Global region or local feature based ? Optimization framework ? Research work * image segmentation * 3D object and occlusion * fast algorithms for large data base * robustness 模式識(shí)別國(guó)家重點(diǎn)實(shí)驗(yàn)室 中國(guó)科學(xué)院自動(dòng)化研究所 National Laboratory of Pattern Recognition Institute of Automation, Chinese Academy of Sciences 聚類(lèi)匹配算法 1 建立距離矩陣 。 2 尋找 G中的最小元素 Gxy。 3 P(x)=y 4 消去 G中的 x行 y列 ， 但不改變矩陣的行列下標(biāo) 。 5 如果 G為空 ， 即已消去所有行列 ， 結(jié)束 。 否則 ， 回到 2。 ),(,1,1,][ IqQppqpq CCd i sgw h e renqmpgG ??????模式識(shí)別國(guó)家重點(diǎn)實(shí)驗(yàn)室 中國(guó)科學(xué)院自動(dòng)化研究所 National Laboratory of Pattern Recognition Institute of Automation, Chinese Academy of Sciences 紋理特征分類(lèi) ? 基于統(tǒng)計(jì)特征的紋理分析 ——共生矩陣 ，心理學(xué)特征等 ? 基于信號(hào)處理的紋理分析 ——小波變換，Gabor濾波器等 ? 基于模型的紋理分析 ——Markov隨機(jī)場(chǎng)模型，Wold模型等 ? 基于結(jié)構(gòu)特征的紋理分析
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