xiawj-hub / CTLIB

A lib of CT projector and back-projector based on PyTorch
MIT License
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请教PB-DDPM 论文问题 #18

Open gggah opened 1 month ago

gggah commented 1 month ago

大佬,感谢您优秀的工作,我有关于本篇论文中的一个小问题,在采样阶段,论文中式19中yi(tj)是用的全采样投影数据的patch么 088e2ddbe27f4af24134b94c58708f4

xiawj-hub commented 1 month ago

yi 是ddpm迭代的结果

From: gggah @.> Sent: Sunday, May 26, 2024 4:48 AM To: xiawj-hub/CTLIB @.> Cc: Subscribed @.***> Subject: [xiawj-hub/CTLIB] 请教PB-DDPM 论文问题 (Issue #18)

大佬,感谢您优秀的工作,我有关于本篇论文中的一个小问题,在采样阶段,论文中式19中yi(tj)是用的全采样投影数据的patch么 088e2ddbe27f4af24134b94c58708f4.png (view on web) https://github.com/xiawj-hub/CTLIB/assets/73218181/b6bb0c5c-f4de-4412-9106-814f6b091bdb

— Reply to this email directly, view it on GitHub https://github.com/xiawj-hub/CTLIB/issues/18 , or unsubscribe https://github.com/notifications/unsubscribe-auth/AJRVWQNNCVXLTWLS45YJLP3ZEGOSTAVCNFSM6AAAAABIJTVB36VHI2DSMVQWIX3LMV43ASLTON2WKOZSGMYTONJYHA4TOMQ . You are receiving this because you are subscribed to this thread. https://github.com/notifications/beacon/AJRVWQKFHPTKMVZKK6CDICLZEGOSTA5CNFSM6AAAAABIJTVB36WGG33NNVSW45C7OR4XAZNFJFZXG5LFVJRW63LNMVXHIX3JMTHIUI4Z5Q.gif Message ID: @. @.> >

gggah commented 1 month ago

yi 是ddpm迭代的结果 From: gggah @.> Sent: Sunday, May 26, 2024 4:48 AM To: xiawj-hub/CTLIB @.> Cc: Subscribed @.> Subject: [xiawj-hub/CTLIB] 请教PB-DDPM 论文问题 (Issue #18) 大佬,感谢您优秀的工作,我有关于本篇论文中的一个小问题,在采样阶段,论文中式19中yi(tj)是用的全采样投影数据的patch么 088e2ddbe27f4af24134b94c58708f4.png (view on web) https://github.com/xiawj-hub/CTLIB/assets/73218181/b6bb0c5c-f4de-4412-9106-814f6b091bdb — Reply to this email directly, view it on GitHub <#18> , or unsubscribe https://github.com/notifications/unsubscribe-auth/AJRVWQNNCVXLTWLS45YJLP3ZEGOSTAVCNFSM6AAAAABIJTVB36VHI2DSMVQWIX3LMV43ASLTON2WKOZSGMYTONJYHA4TOMQ . You are receiving this because you are subscribed to this thread. https://github.com/notifications/beacon/AJRVWQKFHPTKMVZKK6CDICLZEGOSTA5CNFSM6AAAAABIJTVB36WGG33NNVSW45C7OR4XAZNFJFZXG5LFVJRW63LNMVXHIX3JMTHIUI4Z5Q.gif Message ID: @. @.***> >

感谢大佬回复,那yi的初始值是N(0,1)的正态分布么,我看图2的y(t)显示的是不是中间结果。

gggah commented 1 month ago

8e198a0d1f287a787a0c3329138b46f e6b4ad8f77c28913cd2d5fe6d0721e3