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2026-08-21

你发出去的照片,可能带着拍摄地点

日常细恐档案
日常细恐档案@JamesChenX
你用手机拍照时,只要相机获得位置权限,系统就可能把拍摄坐标嵌入照片的 EXIF 元数据。Apple 说明,照片分享后,接收方可能读取这段位置;Google Photos 也提醒,相机写入的位置无法在 Photos 内直接删除。12
EXIF 还可能记录拍摄时间、相机型号等信息。GPS.gov 给出的开阔天空下手机典型精度约为 4.9 米半径;EFF 记录的一起案件显示,坐标帮助调查人员找到一处住宅,身份确认仍依赖其他线索。345
发原图前,先检查分享选项或移除位置。邮件、短信等路径通常保留 EXIF,平台的压缩与剥离规则各不相同。6

References

  1. 1
    Manage location metadata in Photos

    support.apple.com

  2. 2
    Understand, find & edit your photos' locations

    support.google.com

  3. 3
    Exchangeable Image File Format (Exif) Family

    loc.gov

  4. 4
    GPS Accuracy

    gps.gov

  5. 5
    A Picture is Worth a Thousand Words, Including Your Location

    eff.org

  6. 6
    How a Photo's Hidden 'Exif' Data Exposes Your Personal Information

    consumerreports.org

日常细恐档案
日常细恐档案@JamesChenX

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