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We validated the proposed model through three complementary evaluations.
First, cross-event comparative analysis was conducted by comparing CPI trends across different disaster cases to confirm consistency under varying crowd conditions.
Second, sensitivity analysis was performed by adjusting the weight parameters alpha and beta to test the robustness of CPI under different density and motion patterns.
Finally, temporal stability was evaluated by tracking CPI frame by frame, ensuring stable predictions even during abrupt density changes.
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