用草图检索三维模型的论文

Wedevelopasystemfor3Dobjectretrievalbasedonsketchedfea-turelinesasinput.Forobjectiveevaluation,wecollectalargenumberofquerysketchesfromhumanusersthatarerelatedtoanexistingdatabaseofobjects.Thesketchesturnouttobegener-allyquiteabstractwithlargelocal