exif: {"Image ImageDescription": "", "Image Make": "GCMC", "Image Model": "Scanner", "Image Orientation": "Horizontal (normal)", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "ArcSoft PhotoStudio", "Image DateTime": "2015:01:29 12:04:43", "Image YCbCrPositioning": "Co-sited", "Image ExifOffset": "266", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "16650", "Thumbnail JPEGInterchangeFormatLength": "5604", "EXIF ExposureTime": "79/500", "EXIF FNumber": "23/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "50", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": ":  :     :  :", "EXIF DateTimeDigitized": ":  :     :  :", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ShutterSpeedValue": "13/5", "EXIF ApertureValue": "22/5", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "22/5", "EXIF MeteringMode": "CenterWeightedAverage", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "13", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "4416", "EXIF ExifImageLength": "2944", "Interoperability InteroperabilityIndex": "R98", "EXIF InteroperabilityOffset": "16538", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard", "EXIF Sharpness": "Normal"}