DICOM PS3.3 2019a - Information Object Definitions

C.8.12.11 VL Photographic Acquisition Module

Table C.8.12.11-1 specifies the Attributes that describe the process of acquisition of a photographic image.

Table C.8.12.11-1. VL Photographic Acquisition Module Attributes

Attribute Name

Tag

Type

Attribute Description

White Point

(0016,0001)

3

The chromaticity of the white point of the image. This is the chromaticity when each of the primaries has its reference white value. The value is described using the 1931 CIE xy chromaticity diagram.

Primary Chromaticities

(0016,0002)

3

The chromaticity of the three primary colors of the image. This is the chromaticity for each of the primaries when it has its reference white value and the other primaries have their reference black values. These values are described using the 1931 CIE xy chromaticity diagram.

Battery Level

(0016,0003)

3

A description of the camera’s battery level at the time of image capture, encoded as a decimal, ratio, or text string.

Exposure Time in Seconds

(0016,0004)

3

Exposure time in seconds.

F-Number

(0016,0005)

3

The f-number.

Note

  1. The nomenclature for representing the f-number varies in the literature. The capitalized hyphenated form is used here to be consistent with the pattern used for other DICOM Attribute names.

  2. The f-number is defined as the ratio of the focal length to the diameter of the entrance pupil.

OECF Rows

(0016,0006)

3

The number of rows in the Opto-Electronic Conversion Function (OECF), as specified in [ISO 14524].

OECF Columns

(0016,0007)

3

The number of columns in the Opto-Electronic Conversion Function (OECF), as specified in [ISO 14524].

OECF Column Names

(0016,0008)

3

The names of the columns in the Opto-Electronic Conversion Function (OECF), as specified in [ISO 14524].

OECF Values

(0016,0009)

3

The values of the Opto-Electronic Conversion Function (OECF), as specified in [ISO 14524], encoded as successive column values of the first row, then as successive column values of each successive row.

Spatial Frequency Response Rows

(0016,000A)

3

The number of rows in the Spatial Frequency Response (SRF) table as specified in [ISO 12233].

Spatial Frequency Response Columns

(0016,000B)

3

The number of columns in the Spatial Frequency Response (SRF) table as specified in [ISO 12233].

Spatial Frequency Response Column Names

(0016,000C)

3

The names of the columns in the Spatial Frequency Response (SRF) table as specified in [ISO 12233].

Spatial Frequency Response Values

(0016,000D)

3

The values of the Spatial Frequency Response (SRF) table as specified in [ISO 12233], encoded as successive column values of the first row, then as successive column values of each successive row.

Color Filter Array Pattern Rows

(0016,000E)

3

The number of rows in the color filter array (CFA) geometric pattern.

Color Filter Array Pattern Columns

(0016,000F)

3

The number of columns in the the color filter array (CFA) geometric pattern.

Color Filter Array Pattern Values

(0016,0010)

3

The values of the color filter array (CFA) geometric pattern of the image sensor when a one-chip color area sensor is used, encoded as successive column values of the first row, then as successive column values of each successive row.

Exposure Program

(0016,0016)

3

The class of the program used by the camera to set exposure.

Defined Terms:

0

Not defined

1

Manual

2

Normal program

3

Aperture priority

4

Shutter priority

5

Creative program (biased toward depth of field)

6

Action program (biased toward fast shutter speed)

7

Portrait mode (for closeup photos with the background out of focus)

8

Landscape mode (for landscape photos with the background in focus)

Spectral Sensitivity

(0016,0017)

3

The spectral sensitivity of each channel of the camera used.

The value is an ASCII string compatible with the standard developed by the ASTM Technical Committee.

Photographic Sensitivity

(0016,0018)

3

The sensitivity of the camera or input device, as specified by the [ISO 12232] parameter selected by Sensitivity Type (0016,001A).

Sensitivity Type

(0016,001A)

3

Which of the parameters of [ISO 12232] is used in Photographic ​Sensitivity (0016,0018).

Defined Terms:

0

Unknown

1

Standard output sensitivity (SOS)

2

Recommended exposure index (REI)

3

ISO speed

4

Standard output sensitivity (SOS) and recommended exposure index (REI)

5

Standard output sensitivity (SOS) and ISO speed

6

Recommended exposure index (REI) and ISO speed

7

Standard output sensitivity (SOS) and recommended exposure index (REI) and ISO speed

Standard Output Sensitivity

(0016,001B)

3

The standard output sensitivity value of a camera or input device defined in [ISO 12232].

Recommended Exposure Index

(0016,001C)

3

The recommended exposure index value of a camera or input device defined in [ISO 12232].

ISO Speed​

(0016,001D)

3

The ISO speed value of a camera or input device that is defined in [ISO 12232].

ISO Speed​​ Latitude yyy

(0016,001E)

3

The ISO speed latitude yyy value of a camera or input device that is defined in [ISO 12232].

ISO Speed​​ Latitude zzz

(0016,001F)

3

The ISO speed latitude zzz value of a camera or input device that is defined in [ISO 12232].

EXIF Version

(0016,0020)

3

The version of the EXIF standard.

Shutter Speed Value

(0016,0021)

3

The shutter speed. The unit is the APEX value.

Aperture Value

(0016,0022)

3

The lens aperture. The unit is the APEX value.

Brightness Value

(0016,0023)

3

The value of brightness. The unit is the APEX value.

Exposure Bias Value

(0016,0024)

3

The exposure bias. The unit is the APEX value.

Max Aperture Value

(0016,0025)

3

The smallest F number of the lens. The unit is the APEX value.

Subject Distance

(0016,0026)

3

The distance to the subject in meters.

Metering Mode

(0016,0027)

3

The metering mode.

Defined Terms:

0

unknown

1

Average

2

CenterWeightedAverage

3

Spot

4

MultiSpot

5

Pattern

6

Partial

255

other

Light Source

(0016,0028)

3

The kind of light source.

Defined Terms:

0

unknown

1

Daylight

2

Fluorescent

3

Tungsten (incandescent light)

4

Flash

9

Fine weather

10

Cloudy weather

11

Shade

12

Daylight fluorescent (D 5700 - 7100K)

13

Day white fluorescent (N 4600 - 5500K)

14

Cool white fluorescent (W 3800 - 4500K)

15

White fluorescent (WW 3250 - 3800K)

16

Warm white fluorescent (L 2600 - 3250K)

17

Standard light A

18

Standard light B

19

Standard light C

20

D55

21

D65

22

D75

23

D50

24

ISO studio tungsten

255

other light source

Flash Firing Status

(0016,0011)

3

The status of firing of the flash (strobe light).

Defined Terms:

0

Flash did not fire

1

Flash fired

Flash Return Status

(0016,0012)

3

The detection of returned light from firing of the flash (strobe light).

Defined Terms:

0

No strobe return detection function

2

Strobe return light not detected

2

Strobe return light detected

Flash Mode

(0016,0013)

3

The camera's flash (strobe light) mode.

Defined Terms:

0

Unknown

1

Compulsory flash firing

2

Compulsory flash suppression

3

Auto mode

Flash Function Present

(0016,0014)

3

Whether or not the camera has a flash function flash (strobe light).

Defined Terms:

0

Flash function present

1

No flash function

Flash Red Eye Mode

(0016,0015)

3

Whether or not the camera supports red-eye reduction.

Defined Terms:

0

No red-eye reduction mode or unknown

1

Red-eye reduction supported

Focal Length

(0016,0029)

3

The actual focal length of the lens, in mm.

Subject Area

(0016,002A)

3

The location and area of the main subject in the overall scene.

If two values are present, they are the X and Y image-relative coordinates of a location.

If three values are present, they are the X and Y image-relative center coordinates and the diameter in pixels of a circle.

If four values are present, they are the the center X image-relative coordinate, the center Y image-relative coordinate, the width in pixels, and the height in pixels of a rectangle.

The coordinate values, width, and height are expressed in relation to the upper left as origin.

Maker Note

(0016,002B)

3

Any desired information. The contents are up to the manufacturer.

Temperature

(0016,0030)

3

The ambient temperature at the time of acquisition, in °C.

Humidity

(0016,0031)

3

The ambient humidity at the time of acquisition, in %.

Pressure

(0016,0032)

3

The ambient pressure at the time of acquisition, in hPa.

Water Depth

(0016,0033)

3

The water depth at the time of acquisition, in m.

When the value is negative, the absolute value of it indicates the height (elevation) above the water level.

Acceleration

(0016,0034)

3

The acceleration as a scalar, regardless of direction, at the time of acquisition, in mGal (10-5 m/s2).

Camera Elevation Angle

(0016,0035)

3

The elevation/depression (angle of the orientation of the camera, imaging optical axis) in degrees from -180 to less than 180, at the time of acquisition.

Flash Energy

(0016,0036)

3

The amount of flash (strobe) energy at the time the image is captured, in Beam Candle Power Seconds (BCPS).

A single value if the exact flash energy is known, otherwise two values, the minimum value and the maximum value.

Subject Location

(0016,0037)

3

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 upper left corner. The first value indicates the X column number and second indicates the Y row number.

Photographic Exposure Index

(0016,0038)

3

The exposure index selected on the camera or input device at the time the image is captured.

Sensing Method

(0016,0039)

3

The image sensor type on the camera or input device.

Defined Terms:

1

Not defined

2

One-chip color area sensor

3

Two-chip color area sensor

4

Three-chip color area sensor

5

Color sequential area sensor

7

Trilinear sensor

8

Color sequential linear sensor

File Source

(0016,003A)

3

The image source.

Defined Terms:

0

others

1

scanner of transparent type

2

scanner of reflex type

3

digital still camera (DSC)

Scene Type

(0016,003B)

3

The type of scene.

Defined Terms:

1

A directly photographed image

Custom Rendered

(0016,0041)

3

Special processing that was used on image data.

Defined Terms:

0

Normal process

1

Custom process

Exposure Mode

(0016,0042)

3

The exposure mode set when the image was shot.

Defined Terms:

0

Auto exposure

1

Manual exposure

2

Auto bracket

White Balance

(0016,0043)

3

The white balance mode set when the image was shot.

Defined Terms:

0

Auto white balance

1

Manual white balance

Digital Zoom Ratio

(0016,0044)

3

The digital zoom ratio when the image was shot.

Focal Length In 35mm​ Film

(0016,0045)

3

The equivalent focal length assuming a 35mm film camera, in mm.

Scene Capture Type

(0016,0046)

3

The type of scene that was shot.

Defined Terms:

0

Standard

1

Landscape

2

Portrait

3

Night scene

Gain Control

(0016,0047)

3

The degree of overall image gain adjustment.

Defined Terms:

0

None

1

Low gain up

2

High gain up

3

Low gain down

4

High gain down

Contrast

(0016,0048)

3

The direction of contrast processing applied by the camera.

Defined Terms:

0

Normal

1

Soft

2

Hard

Saturation

(0016,0049)

3

The direction of saturation processing applied by the camera.

Defined Terms:

0

Normal

1

Low saturation

2

High saturation

Sharpness

(0016,004A)

3

The direction of sharpness processing applied by the camera.

Defined Terms:

0

Normal

1

Soft

2

Hard

Device Setting Description

(0016,004B)

3

Information on the picture-taking conditions of a particular camera model, encoded as defined in [EXIF 2.31].

Subject Distance Range

(0016,004C)

3

The distance to the subject.

Defined Terms:

0

unknown

1

Macro

2

Close view

3

Distant view

Self Timer Mode

(0016,0019)

3

The number of seconds the image capture was delayed from when the capture was initiated by the camera operator. If the value is zero, the self-timer is off.

Interoperability Index

(0016,0061)

3

Identification of the interoperability rule to which the image conforms.

Defined Terms:

R98

Indicates a file conforming to R98 file specification of Recommended Exif Interoperability Rules (Exif R 98) or to DCF basic file stipulated by Design Rule for Camera File System.

THM

Indicates a file conforming to DCF thumbnail file stipulated by Design rule for Camera File System.

R03

Indicates a file conforming to DCF Option File stipulated by Design rule for Camera File System.

Interoperability Version

(0016,0062)

3

The version interoperability rule to which the image conforms.


DICOM PS3.3 2019a - Information Object Definitions