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{{item.name}} {{item.description}} {{item.description}} Open Google Map View Open the Gaode map to view
Baseline TIFF tags
Code Name Description
254 NewSubfileType A general indication of the kind of data contained in this subfile.
255 SubfileType A general indication of the kind of data contained in this subfile.
256 ImageWidth The number of columns in the image, i.e., the number of pixels per row.
257 ImageLength The number of rows of pixels in the image.
258 BitsPerSample Number of bits per component.
259 Compression Compression scheme used on the image data.
262 PhotometricInterpretation The color space of the image data.
263 Threshholding For black and white TIFF files that represent shades of gray, the technique used to convert from gray to black and white pixels.
264 CellWidth The width of the dithering or halftoning matrix used to create a dithered or halftoned bilevel file.
265 CellLength The length of the dithering or halftoning matrix used to create a dithered or halftoned bilevel file.
266 FillOrder The logical order of bits within a byte.
270 ImageDescription A string that describes the subject of the image.
271 Make The scanner manufacturer.
272 Model The scanner model name or number.
273 StripOffsets For each strip, the byte offset of that strip.
274 Orientation The orientation of the image with respect to the rows and columns.
277 SamplesPerPixel The number of components per pixel.
278 RowsPerStrip The number of rows per strip.
279 StripByteCounts For each strip, the number of bytes in the strip after compression.
280 MinSampleValue The minimum component value used.
281 MaxSampleValue The maximum component value used.
282 XResolution The number of pixels per ResolutionUnit in the ImageWidth direction.
283 YResolution The number of pixels per ResolutionUnit in the ImageLength direction.
284 PlanarConfiguration How the components of each pixel are stored.
288 FreeOffsets For each string of contiguous unused bytes in a TIFF file, the byte offset of the string.
289 FreeByteCounts For each string of contiguous unused bytes in a TIFF file, the number of bytes in the string.
290 GrayResponseUnit The precision of the information contained in the GrayResponseCurve.
291 GrayResponseCurve For grayscale data, the optical density of each possible pixel value.
296 ResolutionUnit The unit of measurement for XResolution and YResolution.
305 Software Name and version number of the software package(s) used to create the image.
306 DateTime Date and time of image creation.
315 Artist Person who created the image.
316 HostComputer The computer and/or operating system in use at the time of image creation.
320 ColorMap A color map for palette color images.
338 ExtraSamples Description of extra components.
33432 Copyright Copyright notice.
Extension TIFF tags
Code Name Description
269 DocumentName The name of the document from which this image was scanned.
285 PageName The name of the page from which this image was scanned.
286 XPosition X position of the image.
287 YPosition Y position of the image.
292 T4Options Options for Group 3 Fax compression
293 T6Options Options for Group 4 Fax compression
297 PageNumber The page number of the page from which this image was scanned.
301 TransferFunction Describes a transfer function for the image in tabular style.
317 Predictor A mathematical operator that is applied to the image data before an encoding scheme is applied.
318 WhitePoint The chromaticity of the white point of the image.
319 PrimaryChromaticities The chromaticities of the primaries of the image.
321 HalftoneHints Conveys to the halftone function the range of gray levels within a colorimetrically-specified image that should retain tonal detail.
322 TileWidth The tile width in pixels. This is the number of columns in each tile.
323 TileLength The tile length (height) in pixels. This is the number of rows in each tile.
324 TileOffsets For each tile, the byte offset of that tile, as compressed and stored on disk.
325 TileByteCounts For each tile, the number of (compressed) bytes in that tile.
326 BadFaxLines Used in the TIFF-F standard, denotes the number of 'bad' scan lines encountered by the facsimile device.
327 CleanFaxData Used in the TIFF-F standard, indicates if 'bad' lines encountered during reception are stored in the data, or if 'bad' lines have been replaced by the receiver.
328 ConsecutiveBadFaxLines Used in the TIFF-F standard, denotes the maximum number of consecutive 'bad' scanlines received.
330 SubIFDs Offset to child IFDs.
332 InkSet The set of inks used in a separated (PhotometricInterpretation=5) image.
333 InkNames The name of each ink used in a separated image.
334 NumberOfInks The number of inks.
336 DotRange The component values that correspond to a 0% dot and 100% dot.
337 TargetPrinter A description of the printing environment for which this separation is intended.
339 SampleFormat Specifies how to interpret each data sample in a pixel.
340 SMinSampleValue Specifies the minimum sample value.
341 SMaxSampleValue Specifies the maximum sample value.
342 TransferRange Expands the range of the TransferFunction.
343 ClipPath Mirrors the essentials of PostScript's path creation functionality.
344 XClipPathUnits The number of units that span the width of the image, in terms of integer ClipPath coordinates.
345 YClipPathUnits The number of units that span the height of the image, in terms of integer ClipPath coordinates.
346 Indexed Aims to broaden the support for indexed images to include support for any color space.
347 JPEGTables JPEG quantization and/or Huffman tables.
351 OPIProxy OPI-related.
400 GlobalParametersIFD Used in the TIFF-FX standard to point to an IFD containing tags that are globally applicable to the complete TIFF file.
401 ProfileType Used in the TIFF-FX standard, denotes the type of data stored in this file or IFD.
402 FaxProfile Used in the TIFF-FX standard, denotes the 'profile' that applies to this file.
403 CodingMethods Used in the TIFF-FX standard, indicates which coding methods are used in the file.
404 VersionYear Used in the TIFF-FX standard, denotes the year of the standard specified by the FaxProfile field.
405 ModeNumber Used in the TIFF-FX standard, denotes the mode of the standard specified by the FaxProfile field.
433 Decode Used in the TIFF-F and TIFF-FX standards, holds information about the ITULAB (PhotometricInterpretation = 10) encoding.
434 DefaultImageColor Defined in the Mixed Raster Content part of RFC 2301, is the default color needed in areas where no image is available.
512 JPEGProc Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
513 JPEGInterchangeFormat Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
514 JPEGInterchangeFormatLength Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
515 JPEGRestartInterval Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
517 JPEGLosslessPredictors Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
518 JPEGPointTransforms Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
519 JPEGQTables Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
520 JPEGDCTables Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
521 JPEGACTables Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
529 YCbCrCoefficients The transformation from RGB to YCbCr image data.
530 YCbCrSubSampling Specifies the subsampling factors used for the chrominance components of a YCbCr image.
531 YCbCrPositioning Specifies the positioning of subsampled chrominance components relative to luminance samples.
532 ReferenceBlackWhite Specifies a pair of headroom and footroom image data values (codes) for each pixel component.
559 StripRowCounts Defined in the Mixed Raster Content part of RFC 2301, used to replace RowsPerStrip for IFDs with variable-sized strips.
700 XMP XML packet containing XMP metadata
32781 ImageID OPI-related.
34732 ImageLayer Defined in the Mixed Raster Content part of RFC 2301, used to denote the particular function of this Image in the mixed raster scheme.
Exif tags
Code Name Description
33434 ExposureTime Exposure time, given in seconds.
33437 FNumber The F number.
34850 ExposureProgram The class of the program used by the camera to set exposure when the picture is taken.
34852 SpectralSensitivity Indicates the spectral sensitivity of each channel of the camera used.
34855 ISOSpeedRatings Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.
34856 OECF Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524.
36864 ExifVersion The version of the supported Exif standard.
36867 DateTimeOriginal The date and time when the original image data was generated.
36868 DateTimeDigitized The date and time when the image was stored as digital data.
37121 ComponentsConfiguration Specific to compressed data; specifies the channels and complements PhotometricInterpretation
37122 CompressedBitsPerPixel Specific to compressed data; states the compressed bits per pixel.
37377 ShutterSpeedValue Shutter speed.
37378 ApertureValue The lens aperture.
37379 BrightnessValue The value of brightness.
37380 ExposureBiasValue The exposure bias.
37381 MaxApertureValue The smallest F number of the lens.
37382 SubjectDistance The distance to the subject, given in meters.
37383 MeteringMode The metering mode.
37384 LightSource The kind of light source.
37385 Flash Indicates the status of flash when the image was shot.
37386 FocalLength The actual focal length of the lens, in mm.
37396 SubjectArea Indicates the location and area of the main subject in the overall scene.
37500 MakerNote Manufacturer specific information.
37510 UserComment Keywords or comments on the image; complements ImageDescription.
37520 SubsecTime A tag used to record fractions of seconds for the DateTime tag.
37521 SubsecTimeOriginal A tag used to record fractions of seconds for the DateTimeOriginal tag.
37522 SubsecTimeDigitized A tag used to record fractions of seconds for the DateTimeDigitized tag.
40960 FlashpixVersion The Flashpix format version supported by a FPXR file.
40961 ColorSpace The color space information tag is always recorded as the color space specifier.
40962 PixelXDimension Specific to compressed data; the valid width of the meaningful image.
40963 PixelYDimension Specific to compressed data; the valid height of the meaningful image.
40964 RelatedSoundFile Used to record the name of an audio file related to the image data.
41483 FlashEnergy Indicates the strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds
41484 SpatialFrequencyResponse Records the camera or input device spatial frequency table and SFR values in the direction of image width, image height, and diagonal direction, as specified in ISO 12233.
41486 FocalPlaneXResolution Indicates the number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.
41487 FocalPlaneYResolution Indicates the number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.
41488 FocalPlaneResolutionUnit Indicates the unit for measuring FocalPlaneXResolution and FocalPlaneYResolution.
41492 SubjectLocation Indicates the location of the main subject in the scene.
41493 ExposureIndex Indicates the exposure index selected on the camera or input device at the time the image is captured.
41495 SensingMethod Indicates the image sensor type on the camera or input device.
41728 FileSource Indicates the image source.
41729 SceneType Indicates the type of scene.
41730 CFAPattern Indicates the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used.
41985 CustomRendered Indicates the use of special processing on image data, such as rendering geared to output.
41986 ExposureMode Indicates the exposure mode set when the image was shot.
41987 WhiteBalance Indicates the white balance mode set when the image was shot.
41988 DigitalZoomRatio Indicates the digital zoom ratio when the image was shot.
41989 FocalLengthIn35mmFilm Indicates the equivalent focal length assuming a 35mm film camera, in mm.
41990 SceneCaptureType Indicates the type of scene that was shot.
41991 GainControl Indicates the degree of overall image gain adjustment.
41992 Contrast Indicates the direction of contrast processing applied by the camera when the image was shot.
41993 Saturation Indicates the direction of saturation processing applied by the camera when the image was shot.
41994 Sharpness Indicates the direction of sharpness processing applied by the camera when the image was shot.
41995 DeviceSettingDescription This tag indicates information on the picture-taking conditions of a particular camera model.
41996 SubjectDistanceRange Indicates the distance to the subject.
42016 ImageUniqueID Indicates an identifier assigned uniquely to each image.
GPS tags
Code Name Description
0 GPSVersionID Indicates the version of GPSInfoIFD.
1 GPSLatitudeRef Indicates whether the latitude is north or south latitude.
2 GPSLatitude Indicates the latitude.
3 GPSLongitudeRef Indicates whether the longitude is east or west longitude.
4 GPSLongitude Indicates the longitude.
5 GPSAltitudeRef Indicates the altitude used as the reference altitude.
6 GPSAltitude Indicates the altitude based on the reference in GPSAltitudeRef.
7 GPSTimeStamp Indicates the time as UTC (Coordinated Universal Time).
8 GPSSatellites Indicates the GPS satellites used for measurements.
9 GPSStatus Indicates the status of the GPS receiver when the image is recorded.
10 GPSMeasureMode Indicates the GPS measurement mode.
11 GPSDOP Indicates the GPS DOP (data degree of precision).
12 GPSSpeedRef Indicates the unit used to express the GPS receiver speed of movement.
13 GPSSpeed Indicates the speed of GPS receiver movement.
14 GPSTrackRef Indicates the reference for giving the direction of GPS receiver movement.
15 GPSTrack Indicates the direction of GPS receiver movement.
16 GPSImgDirectionRef Indicates the reference for giving the direction of the image when it is captured.
17 GPSImgDirection Indicates the direction of the image when it was captured.
18 GPSMapDatum Indicates the geodetic survey data used by the GPS receiver.
19 GPSDestLatitudeRef Indicates whether the latitude of the destination point is north or south latitude.
20 GPSDestLatitude Indicates the latitude of the destination point.
21 GPSDestLongitudeRef Indicates whether the longitude of the destination point is east or west longitude.
22 GPSDestLongitude Indicates the longitude of the destination point.
23 GPSDestBearingRef Indicates the reference used for giving the bearing to the destination point.
24 GPSDestBearing Indicates the bearing to the destination point.
25 GPSDestDistanceRef Indicates the unit used to express the distance to the destination point.
26 GPSDestDistance Indicates the distance to the destination point.
27 GPSProcessingMethod A character string recording the name of the method used for location finding.
28 GPSAreaInformation A character string recording the name of the GPS area.
29 GPSDateStamp A character string recording date and time information relative to UTC (Coordinated Universal Time).
30 GPSDifferential Indicates whether differential correction is applied to the GPS receiver.