matlab体素法代码-3D-shape-retrieval:针对三维模型检索,并采用卷积神经网络,提出两个算法:1.采用体素化深层特征进行训

上传者: 38547421 | 上传时间: 2021-06-18 13:18:40 | 文件大小: 8.05MB | 文件类型: ZIP
matlab体素法代码 3D-shape-retrieval(三维模型检索) 如需详细代码,可联系我获取。 联系方式:(QQ)979337189 (微信) qq-979337189 算法模型() 基于三视图加权的卷积神经网络。针对视图特征的提取,本章通过体素化模型来得到深层的三视图特征,并针对三视图特征的表达能力不同,通过视图加权使模型的检索率得到明显的上升。采用ModelNet10的标准集测试,该网络在迭代1000次之后,损失函数基本收敛。在训练集维持97.51%的识别率,测试集的识别率达到91.72%。 基于多视图的卷积神经网络。考虑到二维图像的深度学习算法更加成熟和稳定,因此从三维模型渲染后,通过摆放不同方位地虚拟摄像机来得到多角度图像出发,并通过ViewPooling聚合使多视图融合,得到新特征向量,再通过深度学习进行构建本章的神经网络。采用ModelNet10的标准集测试,该网络迭代到1900次左右,损失函数基本收敛。在训练集达到98.89%的识别率,测试集达到92.75%的识别率。 快速使用 为方便读者有更直观的认识,已将本人训练好的模型特征数据上传,只需按照以下步骤进行解

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