一种联合局部和全局信息的图像重建系统及方法

By designing a mask autoencoder system that combines local and global information, and integrating edge detection and depth detection networks, the problem of ignoring detailed information in the image reconstruction process in existing technologies is solved, thereby improving the accuracy and efficiency of image reconstruction.

CN117522674BActive Publication Date: 2026-07-17NANJING UNIV OF POSTS & TELECOMM

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING UNIV OF POSTS & TELECOMM
Filing Date
2023-11-24
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing mask autoencoder models tend to ignore detailed information such as image features and textures during image reconstruction, and the loss function only calculates the mean square error of image pixels, resulting in insufficient reconstruction accuracy and computational efficiency.

Method used

Design a masked autoencoder system that combines local and global information, including a generator network, an edge detection network, and a depth detection network. Constrain local and global information through edge detection loss functions and depth detection loss functions, and use a Transformer architecture and a deep convolutional network for image reconstruction.

Benefits of technology

It achieves the best balance between image reconstruction accuracy and computational efficiency, improving both the accuracy and efficiency of image reconstruction, and enabling better extraction of local details and global structure of images.

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Abstract

本发明属于图像处理领域,涉及一种联合局部和全局信息的图像重建系统及方法,所述系统包括生成器网络、边缘检测网络和深度检测网络;生成器网络将输入的部分信息损失的图像Y通过映射得到重建图像Z;采用端到端的边缘检测网络,输入图像后直接产生边缘图像作为输出;采用一个提取单幅图像的深度检测网络,输入整个图像后直接预测像素级的深度;构建本发明的联合局部和全局信息的图像重建系统并应用,与现有技术基于图像重建的掩码自编码模型相比,本发明提出的网络架构实现了图像重建准确率与计算效率之间的最佳平衡,能够提高图像重建的准确性和计算效率。
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