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  • 软件名称:基于卷积神经网络预测结果的缝隙修复算法研究
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 刘钊,赵桐,廖斐凡
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 随着卷积神经网络技术的发展,近来的研究越来越注重于准确率的提升以及语义信息的完善。其中Mask R-CNN网络是对Faster R-CNN进一步改进后的实例分割网络,在高分遥感图像地物识别具有良好的分割效果。但由于卷积神经网络只能用小瓦片图像进行训练和预测,而导致预测结果存在较大的语义信息误差。面对这种问题,提出了针对卷积神经网络预测结果缺陷的缝隙修复算法,即先使用Overlapsize算法改善预测结果与真实结果的匹配程度,再通过PostGIS数据库中的相关函数填补缝隙,使小瓦片能真正拼接成完整大图。研究及实验结果表明:该算法能够很好地改善图像语义信息,具有实用性。 关键词: 卷积神经网络;  实例分割;  Mask R-CNN;  缝隙修复算法     Abstract: With the development of convolutional neural network technology, recent research has paid more attention to the improvement of accuracy and the improvement of semantic information. Mask R-CNN network is a further improved segmentation network of Faster R-CNN. It has a good segmentation effect in high-resolution remote sensing image feature recognition. However, since the convolutional neural network can only be trained and predicted with small tile images, there is a large semantic information error in the prediction results. Faced with this problem, this paper proposed a gap-repairing algorithm based on the defect of prediction result of convolutional neural network. The approach use overlapsize algorithm to improve the matching degree between the prediction result and the ground-truth result at first. Then fill the gap through the correlation function in the PostGIS database to repair the small tile, which can make it be spliced ??into a complete picture. The research and experiment results showed that the algorithm could improve the image semantic information well and has practicability.

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