电脑杂谈  发布时间:2020-02-13 08:00:31  来源:网络整理



EXIF TagsEXIF stands for"Exchangeable Image File Format"。 This type of information is formatted according to the TIFF specificationexif标准, and may be found in JPG, TIFF, PNG, JP2, PGF, MIFF, HDP, PSP and XCF images, as well as many TIFF-based RAW images, and even some AVI and MOV videos。 The EXIF meta information is organized into different Image File Directories (IFD's) within an image。 The names of these IFD's correspond to the ExifTool family 1 group names。 When writing EXIF information, the default Group listed below is used unless another group is specified。

The table below lists all EXIF tags。 Also listed are TIFF, DNG,HDP and other tags which are not part of the EXIF specificationexif标准, but may co-exist with EXIF tags in some images。 Tags which are part of the EXIF 2。3 specification have an underlined Tag Name in the HTML version of this documentation。 See for the official EXIF 2。3 specification。 Tag ID Tag Name Writable string! Group Values/ Notes'R98'= R98 - DCF basic file (sRGB) 'THM'= THM - DCF thumbnail file


0x0001 InteropIndex

InteropIFD 'R03'= R03 - DCF option file (Adobe RGB)

0x0002 InteropVersion 0x000b ProcessingSoftware 0x00fe SubfileType


undef!: string int32u!

InteropIFD IFD0 IFD0(used by ACD Systems Digital Imaging) 0x0= Full-resolution Image 0x1= Reduced-resolution image 0x2= Single page of multi-page image 0x3= Single page of multi-page reducedresolution image 0x4= Transparency mask 0x5= Transparency mask of reducedresolution image 0x6= Transparency mask of multi-page image 0x7= Transparency mask of reducedresolution multi-page image 0xffffffff= invalid Bit 0= Reduced resolution Bit 1= Single page Bit 2= Transparency mask Bit 3= TIFF/IT final page Bit 4= TIFF-FX mixed raster content 1= Full-resolution image 2= Reduced-resolution image 3= Single page of multi-page image







0x0100 ImageWidth 0x0101 ImageHeight 0x0102 BitsPerSample 0x0103 Compression 0x0106 PhotometricInterpretation

int32u! int32u! int16u[n]! int16u!: int16u!

IFD0 IFD0 IFD0 IFD0 IFD0 --> EXIF Compression Values0= WhiteIsZero 1= BlackIsZero 2= RGB 3= RGB Palette 4= Transparency Mask 5= CMYK 6= YCbCr 8= CIELab 9= ICCLab 10= ITULab 32803= Color Filter Array (called ImageLength by the EXIF spec.)


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