Unverified50% confidenceFactExact time

感知哈希（pHash）将图像缩小到固定尺寸后进行离散余弦变换取低频分量生成指纹，两张图像的汉明距离小于阈值（通常为 10/64 位）即判定为相似

1

Sources

50%

Confidence

Long-term

Relevance

8/27/2026

First Seen

Sources

Screen Memory Without Screenshots: A Lightweight Text-to-Markdown Approach

Related Entities

Perceptual Hashingconcept pHashconcept

Related Claims

UnverifiedFID measures the distributional distance between generated images and real images in feature space; a lower value indicates higher generation quality.64% similar Unverified感知哈希对视觉相似图像输出相近哈希值，与密码学哈希（如SHA-256）的雪崩效应有本质区别，能识别经裁剪、压缩或色彩调整的图片64% similar

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