Unverified50% confidenceFactExact time
PaliGemma 2 的视觉编码器基于 SigLIP，使用 Sigmoid 损失函数替代传统的 InfoNCE 对比损失
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
微调PaliGemma 2实现自定义目标检测：从通用到专用的实践指南
redditr/learnmachinelearning7/10/2026
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