CHENGJIE FANG / RESEARCH ARCHIVEUCAS 2026.11
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RESEARCH RECORD / FG-MoE

ICASSP 2026CCF BThird authorPublished

Filter-Group Mixture-of-Experts Model for Remote Sensing Forged Target Perception

Ziyu Sun*, Enyuan Zhao*, Chengjie Fang, Wei Xiong, Heng Pan, Yanbiao Li

* Equal contribution.

Filter-group experts and multimodal gating in FG-MoE. Reproduced from the authors' paper.

METHOD / FINDINGS

FG-MoE

Specialized edge, wavelet, texture, and directional filters form an expert ensemble that detects subtle forgery traces in remote-sensing imagery.

A multimodal gating network routes visual and text features to specialized filter-based experts plus a standard expert. Tamper-mask reconstruction, visual question answering, and expert-balancing losses train the model jointly.

92.95% overall accuracy on Real-RSCM. Remote-sensing forgery question answering on the Real-RSCM test set. (Table 1, p. 4.)

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