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  Exif data description vocabulary
  Vocabulary to describe an Exif format picture data. All Exif 2.2 tags are defined as RDF properties, as well as several terms to help this schema.
  Vocabulaire pour décrire les données Exif d'une photographie. Toutes les balises Exif 2.2 sont définies comme des propriétés RDF, ainsi que plusieurs termes pour donner de l'aide.
  Exifフォーマットの写真からデータを取りだしてRDFで表現するため、Exif 2.2の全てのタグをRDFプロパティとして定義し、さらにそれを記述するのに必要な語彙を追加したボキャブラリ
  2003-07-18
  2003-08-19
  
  Experimental version.
  
   
    神崎正英
    
   
  
 



 
  IFD
  An Image File Directory
 





 
  Exif data
  An Exif IFD data entry
 

 
  Tag number
  The Exif tag number
  
 

 
  Tag ID
  The Exif tag number with context prefix, such as IFD type or maker name
  
 

 
  Data Type
  The Exif field data type, such as ascii, byte, short etc.
  
 

 
  Length
  Length of an object. Could be a subProperty of other general schema.
 

 
  Width
  Width of an object
  
 

 
  Height
  Height of an object
  
 

 
  Resolution
  a rational number representing a resolution. Could be a subProperty of other general schema.
 

 
  Meter
  A length with unit of meter
  
 

 
  Milimeter
  A length with unit of mm
  
 

 
  Seconds
  a mesurement of time length with unit of second
 

 
  Date
  a date information. Usually saved as YYYY:MM:DD (HH:MM:SS) format in Exif data, but represented here as W3C-DTF format
  
 

 
  Subseconds
  A tag used to record fractions of seconds for a date property
 

 
  Geometric data
  Geometric data such as latitude, longitude and altitude. Usually saved as rational number.
 

 
  Unknown tag
  An Exif tag whose meaning is not known
 




 
  Exif Attribute
  A property that connects an IFD to one of its entries. Super property which integrates all Exif tags.
  
 

 
  Date and/or Time
  An attribute relating to Date and/or Time
  
 

 
  GPS Info
  An attribute relating to GPS information
  
 

 
  IFD Pointer
  A tag that refers a child IFD
  
 

 
  Image Config
  An attribute relating to Image Configuration
  
 

 
  Image Data Character
  An attribute relating to image data characteristics
  
 

 
  Image Data Structure
  An attribute relating to image data structure
  
 

 
  Interoperability Info
  An attribute relating to Interoperability. Tags stored in
Interoperability IFD may be defined dependently to each Interoperability rule.
  
 

 
  PictTaking
  An attribute relating to Picture-Taking Conditions
  
 

 
  PIM Info
  An attribute relating to print image matching
  
 

 
  Recording Offset
  An attribute relating to recording offset
  
 

 
  Related File
  Tag Relating to Related File Information
  
 

 
  User Info
  An attribute relating to User Information
  
 

 
  Version Info
  An attribute relating to Version
  
 





 
  ImageWidth
  Image width. The number of columns of image data, equal to the number of pixels per row. In JPEG compressed data a JPEG marker is used instead of this tag.
  
  
  256
 

 
  ImageLength
  Image height. The number of rows of image data. In JPEG compressed data a JPEG marker is used.
  
  
  257
 

 
  BitsPerSample
  The number of bits per image component. In this standard each component of the image is 8 bits, so the value for this tag is 8. See also SamplesPerPixel. In JPEG compressed data a JPEG marker is used instead of this tag.
  
  
  258
 

 
  Compression
  The compression scheme used for the image data. When a primary image is JPEG compressed, this designation is not necessary and is omitted. When thumbnails use JPEG compression, this tag value is set to 6.
  
  259
 

 
  PhotometricInterpretation
  Pixel composition. In JPEG compressed data a JPEG marker is used instead of this tag.
  
  262
 

 
  ImageDescription
  A character string giving the title of the image. It may be a comment such as "1988 company picnic" or the like. Two-byte character codes cannot be used. When a 2-byte code is necessary, the Exif Private tag UserComment is to be used.
  この画像についての説明。漢字等の2バイト文字の使用は禁止
  
  
  270
 

 
  Make
  Manufacturer of image input equipment
  カメラのメーカー名。DCFでは必須
  
  
  271
 

 
  Model
  Model of image input equipment
  カメラの機種名。DCFでは必須
  
  
  272
 

 
  StripOffsets
  For each strip, the byte offset of that strip. With JPEG compressed data this designation is not needed and is omitted.
  
  273
 

 
  Orientation
  The image orientation viewed in terms of rows and columns.
  画像データがどこ(top-leftなど)を起点として、どの向きで格納されているか
  
  274
 

 
  SamplesPerPixel
  The number of components per pixel. Since this standard applies to RGB and YCbCr images, the value set for this tag is 3. In JPEG compressed data a JPEG marker is used instead of this tag.
  
  277
 

 
  RowsPerStrip
  The number of rows per strip. This is the number of rows in the image of one strip when an image is divided into strips. With JPEG compressed data this designation is not needed and is omitted.
  
  278
 

 
  StripByteCounts
  The total number of bytes in each strip. With JPEG compressed data this designation is not needed and is omitted.
  
  279
 

 
  XResolution
  The number of pixels per ResolutionUnit in the ImageWidth direction. When the image resolution is unknown, 72 [dpi] is designated.
  画像の表示・印刷時の水平解像度
  
  
  282
 

 
  YResolution
  The number of pixels per ResolutionUnit in the ImageLength direction. The same value as XResolution is designated.
  画像の表示・印刷時の垂直解像度
  
  
  283
 

 
  PlanarConfiguration
  Indicates whether pixel components are recorded in chunky or planar format. In JPEG compressed files a JPEG marker is used instead of this tag. If this field does not exist, the TIFF default of 1 (chunky) is assumed.
  
  284
 

 
  ResolutionUnit
  The unit for measuring XResolution and YResolution. The same unit is used for both XResolution and YResolution. If the image resolution in unknown, 2 (inches) is designated.
  XResolution/YResolutionの解像度の単位
  
  296
 

 
  TransferFunction
  A transfer function for the image, described in tabular style. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).
  
  301
 

 
  Software
  The name and version of the software or firmware of the camera or image input device used to generate the image.
  デジカメ(もしくは入力機器)の内蔵ソフトウェア/ファームウェアの名称とバージョン
  
  
  305
 

 
  DateTime
  The date and time of image creation. In this standard it is the date and time the file was changed.
  この画像が作成(あるいは最後に変更された)日時。通常はDateTimeOriginaと同じ値
  
  
  306
 

 
  Artist
  Person who created the image
  
  
  315
 

 
  WhitePoint
  The chromaticity of the white point of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).
  白点の色度。CIE Standard Illuminant D65(いわゆる昼光色の世界標準値)を使っていれば、'3127/10000,3290/10000'という値。通常はColorSpaceタグがあるので不要
  
  318
 

 
  PrimaryChromaticities
  The chromaticity of the three primary colors of the image. Normally this tag is not necessary, since color space is specified in the color space information tag (ColorSpace).
  原色の色度。CCIR REcommendation 709 primariesを使っている場合は、'640/1000,330/1000,300/1000,600/1000,150/1000,60/1000'という値。通常はColorSpaceタグがあるので不要
  
  319
 

 
  JPEGInterchangeFormat
  The offset to the start byte (SOI) of JPEG compressed thumbnail data. This is not used for primary image JPEG data.
  圧縮されたサムネイルへのオフセット
  
  513
 

 
  JPEGInterchangeFormatLength
  The number of bytes of JPEG compressed thumbnail data. This is not used for primary image JPEG data.
  圧縮されたサムネイルのサイズ
  
  514
 

 
  YCbCrCoefficients
  The matrix coefficients for transformation from RGB to YCbCr image data.
  RGB形式からYCbCr形式に変換するための3つの係数。通常は0.299、0.587、0.114という値
  
  529
 

 
  YCbCrSubSampling
  The sampling ratio of chrominance components in relation to the luminance component. In JPEG compressed data a JPEG marker is used instead of this tag.
  
  530
 

 
  YCbCrPositioning
  The position of chrominance components in relation to the luminance component. This field is designated only for JPEG compressed data or uncompressed YCbCr data.
  色情報のサンプリングを間引きしている場合に、色情報のサンプルポイントがどこになるか。1='centered'なら点集合の中央、2='co-sited'なら点集合の原点
  
  531
 

 
  ReferenceBlackWhite
  The reference black point value and reference white point value. The color space is declared in a color space information tag, with the default being the value that gives the optimal image characteristics Interoperability these conditions.
  画像情報の黒点・白点値。YCbCr形式の場合、最初の2つの値がY(輝度)の黒点・白点、次がCb、最後がCrとなり、デフォルト値は'0,255,0,128,0,128'。RGB形式の場合はR、G、Bの順で黒点・白点値が並んでおり、デフォルト値は'0,255,0,255,0,255'。
  
  532
 

 
  Copyright
  Copyright information. In this standard the tag is used to indicate both the photographer and editor copyrights. It is the copyright notice of the person or organization claiming rights to the image.
  この画像の撮影者および編集者の著作権情報
  
  
  33432
 

 
  Exif IFD Pointer
  A pointer to the Exif IFD, which is a set of tags for recording Exif-specific attribute information.
  Exif IFDへのポインタ
  
  34665
 

 
  GPSInfo IFD Pointer
  A pointer to the GPS IFD, which is a set of tags for recording GPS information.
  GPS IFDへのポインタ
  
  34853
 

 
  ExposureTime
  Exposure time, given in seconds (sec).
  露光時間(シャッター速度の逆数)。単位は秒
  
  
  33434
 

 
  FNumber
  F number
  レンズのF値
  
  33437
 

 
  ExposureProgram
  The class of the program used by the camera to set exposure when the picture is taken.
  露光制御のモード
  
  34850
 

 
  SpectralSensitivity
  Indicates the spectral sensitivity of each channel of the camera used. The tag value is an ASCII string compatible with the standard developed by the ASTM Technical committee.
  
  34852
 

 
  ISOSpeedRatings
  Indicates the ISO Speed and ISO Latitude of the camera or input device as specified in ISO 12232.
  CCD感度の銀塩フィルム換算値
  
  34855
 

 
  OECF
  Indicates the Opto-Electric Conversion Function (OECF) specified in ISO 14524. OECF is the relationship between the camera optical input and the image values.
  
  34856
 

 
  ExifVersion
  Exif Version
  Exif形式のバージョン
  
  36864
 

 
  DateTimeOriginal
  The date and time when the original image data was generated. For a DSC the date and time the picture was taken are recorded.
  オリジナル画像が作成(撮影)された日時
  
  
  36867
 

 
  DateTimeDigitized
  The date and time when the image was stored as digital data. If, for example, an image was captured by DSC and at the same time the file was recorded, then the DateTimeOriginal and DateTimeDigitized will have the same contents.
  画像がデジタル化された日時。デジカメ画像なら通常DateTimeOriginalと同じ値
  
  
  36868
 

 
  ComponentsConfiguration
  Information specific to compressed data. The channels of each component are arranged in order from the 1st component to the 4th. For uncompressed data the data arrangement is given in the PhotometricInterpretation tag. However, since PhotometricInterpretation can only express the order of Y,Cb and Cr, this tag is provided for cases when compressed data uses components other than Y, Cb, and Cr and to enable support of other sequences.
  圧縮データがYCC以外の並びの場合、4バイトでその並びを示す。それぞれの値は0:not exist,1:Y,2:Cb,3:Cr,4:R,5:G,6:B
  
  37121
 

 
  CompressedBitsPerPixel
  Information specific to compressed data. The compression mode used for a compressed image is indicated in unit bits per pixel.
  画像の圧縮率
  
  37122
 

 
  ShutterSpeedValue
  Shutter speed. The unit is the APEX (Additive System of Photographic Exposure) setting
  シャッター速度(APEX値)。この値の2のベキ乗をとって逆数にすると、通常のシャッター速度表示になる。例えば'4'の場合だと1/(2^4)=1/16秒
  
  37377
 

 
  ApertureValue
  The lens aperture. The unit is the APEX value.
  レンズ絞り値(APEX値)。この値のルート2のベキ乗を取ると、通常の絞り値となる。例えば'5'の場合だと√2^5=F5.6
  
  37378
 

 
  BrightnessValue
  The value of brightness. The unit is the APEX value. Ordinarily it is given in the range of -99.99 to 99.99. Note that if the numerator of the recorded value is FFFFFFFF.H, Unknown shall be indicated.
  画像撮影時の撮影対象物の明るさ(APEX値)。EVにするにはISO感度の値を足す必要があり、Ev:Exposure, Bv:BrightnessValue, Sv:SensitivityValueとしてEv=Bv+Sv Sv=log^2(ISOSpeedRating/3.125)という計算式を使う。ISO感度100の場合Sv=5、ISO200の場合Sv=6、ISO125ではSv=5.32
  
  37379
 

 
  ExposureBiasValue
  The exposure bias. The unit is the APEX value. Ordinarily it is given in the range of -99.99 to 99.99.
  撮影時の露光補正量。単位はAPEX値(EV)
  
  37380
 

 
  MaxApertureValue
  The smallest F number of the lens. The unit is the APEX value. Ordinarily it is given in the range of 00.00 to 99.99, but it is not limited to this range.
  レンズの開放F値。ApertureValue同様、ルート2のベキ乗を取ると通常の絞り値に換算できる
  
  37381
 

 
  SubjectDistance
  The distance to the subject, given in meters. Note that if the numerator of the recorded value is FFFFFFFF.H, Infinity shall be indicated; and if the numerator is 0, Distance unknown shall be indicated.
  被写体までの距離。単位はm
  
  
  37382
 

 
  MeteringMode
  Metering mode, such as CenterWeightedAverage, Spot, MultiSpot,Pattern, Partial etc.
  自動露出の測光モード
  
  37383
 

 
  LightSource
  Light source such as Daylight, Tungsten, Flash etc.
  光源。これはマニュアルでホワイトバランスを設定した場合のモード値となる
  
  37384
 

 
  Flash
  The status of flash when the image was shot.
  フラッシュ発光の状態
  
  37385
 

 
  FocalLength
  The actual focal length of the lens, in mm. Conversion is not made to the focal length of a 35 mm film camera.
  レンズの焦点距離。単位はmm
  
  
  37386
 

 
  SubjectArea
  The location and area of the main subject in the overall scene.
  画面中の主たる被写体の位置。2値によるXY座標、3値による円、4値による長方形座標の3通りの示し方がある
  
  37396
 

 
  MakerNote
  Manufacturer notes
  カメラの内部情報等、メーカー依存データ
  
  37500
 

 
  UserComment
  A tag for Exif users to write keywords or comments on the image besides those in ImageDescription, and without the character code limitations of the ImageDescription tag. The character code used in the UserComment tag is identified based on an ID code in a fixed 8-byte area at the start of the tag data area.
  ユーザーコメント。ImageDescriptionタグと違って、こちらはJIS2バイトコード、Unicode等での記述が許されており、最初の8バイトが文字コード
  
  37510
 

 
  SubSecTime
  DateTime subseconds
  
  
  37520
 

 
  SubSecTimeOriginal
  DateTimeOriginal subseconds
  
  
  37521
 

 
  SubSecTimeDigitized
  DateTimeDigitized subseconds
  
  
  37522
 

 
  FlashpixVersion
  The Flashpix format version supported by a FPXR file. If the FPXR function supports Flashpix format Ver. 1.0, this is indicated similarly to ExifVersion by recording "0100" as 4-byte ASCII.
  
  40960
 

 
  ColorSpace
  The color space information tag (ColorSpace) is always recorded as the color space specifier. Normally sRGB (=1) is used to define the color space based on the PC monitor conditions and environment.
  使われる色空間。通常sRGB
  
  40961
 

 
  PixelXDimension
  Information specific to compressed data. When a compressed file is recorded, the valid width of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file.
  
  
  40962
 

 
  PixelYDimension
  Information specific to compressed data. When a compressed file is recorded, the valid height of the meaningful image shall be recorded in this tag, whether or not there is padding data or a restart marker. This tag should not exist in an uncompressed file. Since data padding is unnecessary in the vertical direction, the number of lines recorded in this valid image height tag will in fact be the same as that recorded in the SOF.
  
  
  40963
 

 
  RelatedSoundFile
  Related audio file
  画像と一緒に音声録音できる機種の場合に、音声ファイルの名前
  
  40964
 

 
  Interoperability IFD Pointer
  A pointer to the Interoperability IFD, which is composed of tags storing the information to ensure the Interoperability
  Interoperability IFDへのポインタ
  
  40965
 

 
  FlashEnergy
  The strobe energy at the time the image is captured, as measured in Beam Candle Power Seconds (BCPS).
  BCPSによるストロボの強度
  
  41483
 

 
  SpatialFrequencyResponse
  This tag 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.
  
  41484
 

 
  FocalPlaneXResolution
  The number of pixels in the image width (X) direction per FocalPlaneResolutionUnit on the camera focal plane.
  撮影画像のCCD位置での水平解像度。この値とFocalPlaneYResolution、FocalLengthを使うと、レンズ焦点距離の35mmカメラ換算値が計算できる。例えば200万画素機を使いVGAモードの画像を撮ったような場合はこの値はVGAの解像度でリサンプルされた値になっており、CCDの画素ピッチそのままの値ではないので注意が必要
  
  
  41486
 

 
  FocalPlaneYResolution
  The number of pixels in the image height (Y) direction per FocalPlaneResolutionUnit on the camera focal plane.
  撮影画像のCCD位置での垂直解像度
  
  
  41487
 

 
  FocalPlaneResolutionUnit
  The unit for measuring FocalPlaneXResolution and FocalPlaneYResolution. This value is the same as the ResolutionUnit.
  CCD画素密度の単位
  
  41488
 

 
  SubjectLocation
  The location of the main subject in the scene. The value of this tag represents the pixel at the center of the main subject relative to the left edge, prior to rotation processing as per the Rotation tag. The first value indicates the X column number and second indicates the Y row number.
  画面中の主要被写体のXY座標
  
  41492
 

 
  ExposureIndex
  The exposure index selected on the camera or input device at the time the image is captured.
  CCD感度。データ形式が符号なし分数である事を除き、ISOSpeedRatingsと同じ
  
  41493
 

 
  SensingMethod
  The image sensor type on the camera or input device, such as One-chip color area sensor etc.
  イメージセンサーの形式。One-chip color area sensor、Color sequential area sensor、Trilinear sensorなど
  
  41495
 

 
  FileSource
  The image source. If a DSC recorded the image, this tag value of this tag always be set to 3, indicating that the image was recorded on a DSC.
  画像がどういうデバイスから得られたか。通常3=DSC
  
  41728
 

 
  SceneType
  The type of scene. If a DSC recorded the image, this tag value shall always be set to 1, indicating that the image was directly photographed.
  画像がどうやって撮られたか。デジカメの場合は通常1=A directly photographed image
  
  41729
 

 
  CFAPattern
  The color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used. It does not apply to all sensing methods.
  CCDに付いているColor filter array(CFA)のパターン。例えば普通のRGBフィルターだと、CFAPatternのデータは 02 02 00 01 01 02
  
  41730
 

 
  CustomRendered
  The use of special processing on image data, such as rendering geared to output. When special processing is performed, the reader is expected to disable or minimize any further processing.
  特別なレンダリング処理を行っているかどうか
  
  41985
 

 
  ExposureMode
  the exposure mode set when the image was shot. In auto-bracketing mode, the camera shoots a series of frames of the same scene at different exposure settings.
  露光モード
  
  41986
 

 
  WhiteBalance
  The white balance mode set when the image was shot.
  ホワイトバランスのモード
  
  41987
 

 
  DigitalZoomRatio
  The digital zoom ratio when the image was shot. If the numerator of the recorded value is 0, this indicates that digital zoom was not used.
  デジタルズームが使われた場合、その比率
  
  41988
 

 
  FocalLengthIn35mmFilm
  The equivalent focal length assuming a 35mm film camera, in mm. A value of 0 means the focal length is unknown. Note that this tag differs from the FocalLength tag.
  35mm換算した焦点距離
  
  
  41989
 

 
  SceneCaptureType
  The type of scene that was shot. It can also be used to record the mode in which the image was shot, such as Landscape, Portrait etc. Note that this differs from the scene type (SceneType) tag.
  
  41990
 

 
  GainControl
  The degree of overall image gain adjustment.
  
  41991
 

 
  Contrast
  The direction of contrast processing applied by the camera when the image was shot.
  
  41992
 

 
  Saturation
  The direction of saturation processing applied by the camera when the image was shot.
  
  41993
 

 
  Sharpness
  The direction of sharpness processing applied by the camera when the image was shot.
  
  41994
 

 
  DeviceSettingDescription
  Information on the picture-taking conditions of a particular camera model. The tag is used only to indicate the picture-taking conditions in the reader.
  
  41995
 

 
  SubjectDistanceRange
  The distance to the subject, such as Macro, Close View or Distant View.
  
  41996
 

 
  ImageUniqueID
  An identifier assigned uniquely to each image. It is recorded as an ASCII string equivalent to hexadecimal notation and 128-bit fixed length.
  
  
  42016
 

 
  GPSVersionID
  The version of GPSInfoIFD. The version is given as 2.2.0.0. This tag is mandatory when GPSInfo tag is present.
  
  
  0
 

 
  GPSLatitudeRef
  Indicates whether the latitude is north or south latitude. The ASCII value 'N' indicates north latitude, and 'S' is south latitude.
  緯度の北緯もしくは南緯
  
  1
 

 
  GPSLatitude
  The latitude, expressed as three values giving the degrees, minutes, and seconds, respectively.
  緯度
  
  
  2
 

 
  GPSLongitudeRef
  Indicates whether the longitude is east or west longitude. ASCII 'E' indicates east longitude, and 'W' is west longitude.
  経度の東経もしくは西経
  
  3
 

 
  GPSLongitude
  The longitude, expressed as three values giving the degrees, minutes, and seconds, respectively.
  経度
  
  
  4
 

 
  GPSAltitudeRef
  Indicates the altitude used as the reference altitude. If the reference is sea level and the altitude is above sea level, 0 is given. If the altitude is below sea level, a value of 1 is given and the altitude is indicated as an absolute value in the GPSAltitude tag. The reference unit is meters.
  
  5
 

 
  GPSAltitude
  The altitude based on the reference in GPSAltitudeRef. Altitude is expressed as one RATIONAL value. The reference unit is meters.
  
  
  6
 

 
  GPSTimeStamp
  The time as UTC (Coordinated Universal Time). TimeStamp is expressed as three RATIONAL values giving the hour, minute, and second.
  
  7
 

 
  GPSSatellites
  The GPS satellites used for measurements. This tag can be used to describe the number of satellites, their ID number, angle of elevation, azimuth, SNR and other information in ASCII notation. The format is not specified. If the GPS receiver is incapable of taking measurements, value of the tag shall be set to NULL.
  
  8
 

 
  GPSStatus
  The status of the GPS receiver when the image is recorded. 'A' means measurement is in progress, and 'V' means the measurement is Interoperability.
  
  9
 

 
  GPSMeasureMode
  The GPS measurement mode. '2' means two-dimensional measurement and '3' means three-dimensional measurement is in progress.
  
  10
 

 
  GPSDOP
  The GPS DOP (data degree of precision). An HDOP value is written during two-dimensional measurement, and PDOP during three-dimensional measurement.
  
  11
 

 
  GPSSpeedRef
  The unit used to express the GPS receiver speed of movement. 'K' 'M' and 'N' represents kilometers per hour, miles per hour, and knots.
  
  12
 

 
  GPSSpeed
  The speed of GPS receiver movement.
  
  13
 

 
  GPSTrackRef
  The reference for giving the direction of GPS receiver movement. 'T' denotes true direction and 'M' is magnetic direction.
  
  14
 

 
  GPSTrack
  The direction of GPS receiver movement. The range of values is from 0.00 to 359.99.
  
  15
 

 
  GPSImgDirectionRef
  The reference for giving the direction of the image when it is captured. 'T' denotes true direction and 'M' is magnetic direction.
  
  16
 

 
  GPSImgDirection
  The direction of the image when it was captured. The range of values is from 0.00 to 359.99.
  
  17
 

 
  GPSMapDatum
  The geodetic survey data used by the GPS receiver. If the survey data is restricted to Japan, the value of this tag is 'TOKYO' or 'WGS-84'. If a GPS Info tag is recorded, it is strongly recommended that this tag be recorded.
  測地系。日本なら'TOKYO'もしくは'WGS-84'
  
  18
 

 
  GPSDestLatitudeRef
  Reference for latitude of destination
  
  19
 

 
  GPSDestLatitude
  Latitude of destination, expressed as three values giving the degrees, minutes, and seconds, respectively.
  
  
  20
 

 
  GPSDestLongitudeRef
  Reference for longitude of destination
  
  21
 

 
  GPSDestLongitude
  Longitude of destination, expressed as three values giving the degrees, minutes, and seconds, respectively.
  
  
  22
 

 
  GPSDestBearingRef
  Indicates the reference used for giving the bearing to the destination point. 'T' denotes true direction and 'M' is magnetic direction.
  
  23
 

 
  GPSDestBearing
  The bearing to the destination point. The range of values is from 0.00 to 359.99.
  
  24
 

 
  GPSDestDistanceRef
  Indicates the unit used to express the distance to the destination point. 'K', 'M' and 'N' represent kilometers, miles and knots.
  
  25
 

 
  GPSDestDistance
  The distance to the destination point.
  
  26
 

 
  GPSProcessingMethod
  A character string recording the name of the method used for location finding. The first byte indicates the character code used, and this is followed by the name of the method.
  
  27
 

 
  GPSAreaInformation
  A character string recording the name of the GPS area. The first byte indicates the character code used, and this is followed by the name of the GPS area.
  
  28
 

 
  GPSDateStamp
  date and time information relative to UTC (Coordinated Universal Time). The record format is "YYYY:MM:DD" while converted to W3C-DTF to use in RDF
  
  
  29
 

 
  GPSDifferential
  Indicates whether differential correction is applied to the GPS receiver.
  
  30
 

 
  InteroperabilityIndex
  Indicates the identification of the Interoperability rule. 'R98' = conforming to R98 file specification of Recommended Exif Interoperability Rules (ExifR98) or to DCF basic file stipulated by Design Rule for Camera File System. 'THM' = conforming to DCF thumbnail file stipulated by Design rule for Camera File System.
  メイン画像のInteroperability IFDで、データの内容がExifR98 v1.0準拠の場合は、'R98'の文字列。サムネィル画像のInteroperability IFDの場合は、'THM'の文字列
  
  1
 

 
  InteroperabilityVersion
  Interoperability Version
  データの内容がExifR98 v1.0準拠の場合は、'0100'の文字列。
  
  2
 

 
  RelatedImageFileFormat
  Related image file format
  画像フォーマットを'Exif JPEG Ver. 2.1'などの文字列で示す。通常はサムネィル画像に使う
  
  4096
 

 
  RelatedImageWidth
  Related image width
  画像幅。通常はサムネイル画像のInteroperability IFDに使う
  
  
  4097
 

 
  RelatedImageLength
  Related image length
  画像高。通常はサムネイル画像のInteroperability IFDに使う
  
  
  4098
 

 
  PrintImageMatching IFD Pointer
  A pointer to the print image matching IFD
  
  50341
 

 
  PrintIM Contrast
  Contrast info for print image matching
  
  9
 

 
  PrintIM Brightness
  Brightness info for print image matching
  
  10
 

 
  PrintIM ColorBalance
  ColorBalance info for print image matching
  
  11
 

 
  PrintIM Saturation
  Saturation info for print image matching
  
  12
 

 
  PrintIM Sharpness
  Sharpness info for print image matching
  
  13
 








 IFD nodes correspond Exif's IFD directories. Each tag in the directory is described as a property. Some tags are defined as integer in EXIF, but may be better to use (controlled) string value, e.g, use 'top-left' instead of integer value '1' for 'orientation' tag.
 IFDノードはExifのIFDディレクトリに、それぞれのタグはプロパティに対応。Exifタグの多くは数値で記録されているが、'orientation'の値を'1'とするよりは'top-left'とするほうが利用しやすいと思われる(これには統制語彙リストが必要か)。
 
 
   Canon
   Canon IXY DIGITAL 30
   top-left
   180/1
   180/1
   inch
   2003-01-18T16:07:30
   centered
   
    
      1/400
      35/10
      2.20
      2003-01-18T16:07:30
      2003-01-18T16:07:30
      01 02 03 00
      5/1
      76
      116/32
      96
      116/32
      Pattern
      Flash fired, compulsory flash mode, red-eye reduction mode
      294/32
      1.00
      sRGB
    
   
 
 ]]>







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