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Author:

施云惠 (施云惠.) | 胡慧 (胡慧.) | 王瑾 (王瑾.) | 尹宝才 (尹宝才.)

Indexed by:

zhihuiya

Abstract:

公开一种基于球面测度表示和深度学习的球面图像压缩方法及装置,能够解决传统球面压缩方法效率低的问题,同时考虑局部窗口感受野的扩大和局部及非局部相关性的捕捉,提高熵模型的准确性。方法包括:(1)通过基于球面测度的球面图像重采样来均匀采样球面图像;(2)构建球面图像学习的基本组件;(3)集成球面卷积和自注意力的球面transformer,基于球面熵模型的码率建模;其中步骤(2)包括:(2.1)获取球面块;(2.2)进行球面卷积;(2.3)在基于学习的平面图像压缩中,下采样通过步幅大于2的卷积实现;在图像解码过程中,通过上采样来增加图像的分辨率以进行重建;(2.4)建立球面transformer模型。

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Patent Info :

Type: 发明申请

Patent No.: CN202410820879.8

Filing Date: 2024-06-24

Publication Date: 2024-10-29

Pub. No.: CN118864620A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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