南华大学学报:自然科学版
南華大學學報:自然科學版
남화대학학보:자연과학판
Journal of University of South China(Science and Technology)
2012年
2期
50-55
,共6页
小波矩%光源描绘子%高斯势函数%轮廓描绘子
小波矩%光源描繪子%高斯勢函數%輪廓描繪子
소파구%광원묘회자%고사세함수%륜곽묘회자
wavelet moment%light source descriptor%gauss potential function%contour descriptor
提出一种基于小波矩的面光源描绘子和改进的基于高斯势函数的轮廓描绘子,并在此基础上结合Adaboost相关反馈,构建一种两阶段的三维模型检索策略.首先获得模型的最优包围盒;然后进行两阶段检索:第一阶段是基于高斯势函数的轮廓描绘子的快速定位检索范围,第二阶段是融合以上两种描绘子的精确检索.最后结合Adaboost相关反馈,从而有效地评估模型之间的相似度.实验结果表明:该方法具有较高检索效率与精度.
提齣一種基于小波矩的麵光源描繪子和改進的基于高斯勢函數的輪廓描繪子,併在此基礎上結閤Adaboost相關反饋,構建一種兩階段的三維模型檢索策略.首先穫得模型的最優包圍盒;然後進行兩階段檢索:第一階段是基于高斯勢函數的輪廓描繪子的快速定位檢索範圍,第二階段是融閤以上兩種描繪子的精確檢索.最後結閤Adaboost相關反饋,從而有效地評估模型之間的相似度.實驗結果錶明:該方法具有較高檢索效率與精度.
제출일충기우소파구적면광원묘회자화개진적기우고사세함수적륜곽묘회자,병재차기출상결합Adaboost상관반궤,구건일충량계단적삼유모형검색책략.수선획득모형적최우포위합;연후진행량계단검색:제일계단시기우고사세함수적륜곽묘회자적쾌속정위검색범위,제이계단시융합이상량충묘회자적정학검색.최후결합Adaboost상관반궤,종이유효지평고모형지간적상사도.실험결과표명:해방법구유교고검색효솔여정도.
The surface light source descriptor based on wavelet moment and improved Contour descriptor based on Gaussian potential function are proposed,and a 3D model search strategy with two stages is built combining the Adaboost relevant feedback. First,optimal bounding box of the model is got ,then Two-phase search is implemented :the first stage search is locating the search range quickly based on Contour descriptor that is based on Gaussian potential function; the second stage search is accurate search mixing the two kinds of descriptor above. Last, the similarity of models is evaluated effectively combining the Adaboost relevant feedback. The re sult of experiment shows that this method is efficient and accurate.