# |
Table Name |
Field Name |
Field Definition |
Data Type |
Enumerated Values |
|
1 |
imagemd |
bits_per_sample |
Bit depth at each pixel, e.g., 8, 16, 24, etc. |
Suggested Enumerated Type |
NONE |
2 |
imagemd |
chromaticities_primary_blue_x |
This specifies the Blue [x] value for the chromaticities of
the primary colors of the imaging process. Note: These values specify the
1931 CIE xy chromaticities of the capture primaries. The ordering is red
[x], red [y], green[x], green[y],blue[x],blue[y |
SBCS(255) |
NONE |
3 |
imagemd |
chromaticities_primary_blue_y |
This specifies the Blue [y] value for the chromaticities of
the primary colors of the imaging process. Note: These values specify the
1931 CIE xy chromaticities of the capture primaries. The ordering is red
[x], red [y], green[x], green[y],blue[x],blue[y |
SBCS(255) |
NONE |
4 |
imagemd |
chromaticities_primary_green_x |
This specifies the Green [x] value for the chromaticities
of the primary colors of the imaging process. Note: These values specify
the 1931 CIE xy chromaticities of the capture primaries. The ordering is
red [x], red [y], green[x], green[y],blue[x],blue[ |
SBCS(255) |
NONE |
5 |
imagemd |
chromaticities_primary_green_y |
This specifies the Green [y] value for the chromaticities
of the primary colors of the imaging process. Note: These values specify
the 1931 CIE xy chromaticities of the capture primaries. The ordering is
red [x], red [y], green[x], green[y],blue[x],blue[ |
SBCS(255) |
NONE |
6 |
imagemd |
chromaticities_primary_red_x |
This specifies the Red [x] value for the chromaticities of
the primary colors of the imaging process. Note: These values specify the
1931 CIE xy chromaticities of the capture primaries. The ordering is red
[x], red [y], green[x], green[y],blue[x],blue[y] |
SBCS(255) |
NONE |
7 |
imagemd |
chromaticities_primary_red_y |
This specifies the Red [y] value for the chromaticities of
the primary colors of the imaging process. Note: These values specify the
1931 CIE xy chromaticities of the capture primaries. The ordering is red
[x], red [y], green[x], green[y],blue[x],blue[y] |
SBCS(255) |
NONE |
8 |
imagemd |
chromaticities_white_point_x |
The X value for the white point chromaticity of the
effective illumination source of the capture process. Notes: These values
specify the 1931 CIE xy chromaticities of the effective illumination
(i.e., filter/light source combination) at capture. They do |
SBCS(255) |
NONE |
9 |
imagemd |
chromaticities_white_point_y |
The Y value for the white point chromaticity of the
effective illumination source of the capture process. Notes: These values
specify the 1931 CIE xy chromaticities of the effective illumination
(i.e., filter/light source combination) at capture. They do |
SBCS(255) |
NONE |
10 |
imagemd |
color_map_bitcode_value |
Color lookup table for non-RGB images. |
SBCS(255) |
NONE |
11 |
imagemd |
color_map_blue_value |
This field provides the Blue Value within a particular RGB
triplet of the Colormap (often called a lookup table) for palette-color
images. Particular triplet is reference in colormap_bitcode_value.
Possible values are 0-255. Note: There is no Colormap in |
SBCS(255) |
NONE |
12 |
imagemd |
color_map_green_value |
This field provides the Green Value within a particular RGB
triplet of the Colormap (often called a lookup table) for palette-color
images. Particular triplet is reference in colormap_bitcode_value.
Possible values are 0-255. Note: There is no Colormap in |
SBCS(255) |
NONE |
13 |
imagemd |
color_map_location |
The location of the color map, e.g., image file, auxiliary
file, associated file, metadata. |
Enumerated Type |
Associated File, Auxiliary File, Image File, Metadata
|
14 |
imagemd |
color_map_red_value |
This field provides the Red Value within a particular RGB
triplet of the Colormap (often called a lookup table) for palette-color
images. Particular triplet is reference in colormap_bitcode_value.
Possible values are 0-255. Note: There is no Colormap in R |
SBCS(255) |
NONE |
15 |
imagemd |
compression_level |
Designates the level of compression used in
compression_scheme. |
Large signed number |
NONE |
16 |
imagemd |
compression_scheme |
Designates the compression scheme used to store the image
data. Values above are drawn from TIFF 6.0 specification though
institutions are encouraged to devise a local enumerated list to allow for
the addition of new values as technology changes. This dat |
Enumerated Type |
1, 2, 3, 4, JPEG, 32773, LZW |
17 |
imagemd |
extra_samples |
Specifies that each pixel has extra components. |
Enumerated Type |
0, 1, 2, 3 |
18 |
imagemd |
gray_response_loc |
The location of the gray response curve values, e.g., image
file, auxiliary file, associated file, metadata. |
Enumerated Type |
Associated File, Auxiliary File, Image File, Metadata
|
19 |
imagemd |
gray_response_unit |
Unit of measure of gray response curve values. |
Suggested Enumerated Type |
NONE |
20 |
imagemd |
gray_response_value |
Gray response curve values, used when a response curve is
generated at the start of a capture session. |
Large signed number |
NONE |
21 |
imagemd |
image_data |
Temporary location of the target file if not contained
within the image file (external) e.g. URN, URL, etc. See also target_id
and target_type. (NISO-image terminology) |
SBCS(255) |
NONE |
22 |
imagemd |
image_identifier |
A persistent identifier required at prime object level,
optional at all other levels. This identifier must be unique within the
local system. |
SBCS(255) |
NONE |
23 |
imagemd |
image_identifier_location |
A location qualifier to be used in conjunction with
image_identifier. Persistent identifier required at prime object level,
optional at all other levels. This identifier must be unique within the
local system. To facilitate file sharing or interoperabilit |
SBCS(255) |
NONE |
24 |
imagemd |
note |
Additional information or comments about the image
object. |
SBCS(255) |
NONE |
25 |
imagemd |
orientation_disk |
Orientation of the image saved on disk, e.g., normal,
normal rotated 180, normal rotated cw 90, etc.D164. |
Enumerated Type |
Normal, Rotated 180, Rotated CW 90, Rotated CCW 90, Unknown
|
26 |
imagemd |
orientation_display |
Orientation of the image as displayed, e.g., landscape or
portrait. |
Enumerated Type |
Landscape, Portrait |
27 |
imagemd |
performance_data |
Identifies the path of the file that contains the image
performance data relative to the target identified in target_id, e.g.
filename, URL, URN. |
SBCS(255) |
NONE |
28 |
imagemd |
photometric_interp |
Designates the color space of the decompressed image data
as defined in the NISO image data dictionary. 0 = White Is Zero, bitonal
(typical) or grayscale 1 = Black Is Zero, grayscale (typical) or bitonal 2
= RGB 3 = Palette color 4 = Transparency Mas |
Enumerated Type |
0, 1, 2, 3, 4, 5, 6, 8 |
29 |
imagemd |
pixels_horizontal |
Horizontal dimension of image in pixels, e.g., 1024. |
Large signed number |
NONE |
30 |
imagemd |
pixels_vertical |
Vertical dimension of image in pixels, e.g., 768, called
ImageLength in the NISO image data dictionary. |
Large signed number |
NONE |
31 |
imagemd |
planar |
Designates how the components of each pixel are stored. 1 =
Chunky Format 2 = Planar Format |
Enumerated Type |
1, 2 |
32 |
imagemd |
preferred_presentation |
Designation of the device, application, medium, viewing
environment (or any combination thereof) to render the image data. For
image data that can be defined to have a best representation,? use this
free-text field to recommend the target? device, applica |
SBCS(255) |
NONE |
33 |
imagemd |
profile_name |
Designates the well-defined name of the ICC profile used.
If ICC profile used is a well-known and well-documented profile, record
the information in this data element. If not, record the location of where
the profile can be found in profile_url. |
SBCS(255) |
NONE |
34 |
imagemd |
profile_url |
Designates the URL/URN where the ICC profile is located. If
ICC profile used is a well-known and well-documented profile, record the
information in profile_name. If not, record the location of where the
profile can be found in this data element. |
SBCS(255) |
NONE |
35 |
imagemd |
profiles |
Identifies the path of the file that contains the ICC color
profile or other image management profiles, e.g. filename, URL, URN.
Notes: Each target shall be represented by its own logical metadata
block. |
SBCS(255) |
NONE |
36 |
imagemd |
reference_black_white |
Encodes a pair of headroom and footroom image data values
for each pixel component. This tag is mandatory when
PhotometricInterpretation = 6 (YCbCr), and there are no defaults allowed.
See TIFF Section 21 YCbCr Images and ISO/TC42N 4378 TIFF/EP standard, |
Enumerated Type |
NONE |
37 |
imagemd |
samples_per_pixel |
The number of color components (samples) per pixel, e.g., 3
(RGB) , 4 (CYMK), etc. |
Suggested Enumerated Type |
NONE |
38 |
imagemd |
sampling_freq_unit |
Unit of measure for horizontal and vertical sampling
frequency, e.g., inches, centimeters, or unknown. |
Enumerated Type |
Inches, Centimeters, Unknown |
39 |
imagemd |
sampling_frequency_horizontal |
Number of pixels per sampling frequency unit by width. |
Large signed number |
NONE |
40 |
imagemd |
sampling_frequency_plane |
Reference plane location for horizontal and vertical
sampling frequency. |
Suggested Enumerated Type |
NONE |
41 |
imagemd |
sampling_frequency_vertical |
Number of pixels per sampling frequency unit by height. |
Large signed number |
NONE |
42 |
imagemd |
segment_form |
Specifies whether the image is stored in tiles or
strips. |
Enumerated Type |
Strips, Tiles |
43 |
imagemd |
strip_byte_counts |
Number of image data bytes stored within each strip after
compression. |
Large signed number |
NONE |
44 |
imagemd |
strip_offsets |
Byte offset of a strip. |
Large signed number |
NONE |
45 |
imagemd |
strip_rows |
Number of rows per strip. |
Large signed number |
NONE |
46 |
imagemd |
target_id |
Calibration target name, manufacturer, version, etc. See
also image_data and target_type. (NISO-image terminology) |
SBCS(255) |
NONE |
47 |
imagemd |
target_id_manufacturer |
Identifies the manufacturer or organization that created
the target. Notes: Each target shall be represented by its own logical
metadata block. |
SBCS(255) |
NONE |
48 |
imagemd |
target_id_media |
Identifies the media of the target. Notes: Each target
shall be represented by its own logical metadata block. |
SBCS(255) |
NONE |
49 |
imagemd |
target_id_name |
Identifies the name of the target. Notes: Each target shall
be represented by its own logical metadata block. |
SBCS(255) |
NONE |
50 |
imagemd |
target_id_no |
Identifies the version or number of the target. Notes: Each
target shall be represented by its own logical metadata block. |
SBCS(255) |
NONE |
51 |
imagemd |
target_type |
Conveys whether the target image is internal to the image
file or external. See also image_data and target_id. (NISO-image
terminology) |
Enumerated Type |
external, internal |
52 |
imagemd |
tile_byte_counts |
Number of image data bytes stored within each tile after
compression. |
Large signed number |
NONE |
53 |
imagemd |
tile_height |
Tile height in pixels, called TileLength in the NISO image
data dictionary. |
Large signed number |
NONE |
54 |
imagemd |
tile_offsets |
Byte offset of a tile. |
Large signed number |
NONE |
55 |
imagemd |
tile_width |
Tile width in pixels. |
Large signed number |
NONE |
56 |
imagemd |
watermark |
Type of watermark used in the file, e.g., Digimarc,
Giovanni, Alpha-Tec, StirMark, etc. |
SBCS(255) |
NONE |
57 |
imagemd |
x_targeted_displayar |
Unit of X orientation. |
Large signed number |
NONE |
58 |
imagemd |
y_targeted_displayar |
Unit of Y orientation. |
Large signed number |
NONE |
59 |
imagemd |
ycbcr_coefficients |
Encodes the transformation from RGB to YCbCr image data. It
is mandatory when PhotometricInterpretation = 6, and there are no defaults
allowed. The transformation is specified as three rational values that
represent the coefficients used to compute lumina |
Enumerated Type |
NONE |
60 |
imagemd |
ycbcr_positioning |
Designates the positions of subsampled chrominance
components relative to luminance samples. This tag is mandatory when
PhotometricInterpretation = 6, and the value shall equal 2. See TIFF
Section 21 YCbCr Images and ISO/TC42N 4378 TIFF/EP standard, Secti |
Enumerated Type |
NONE |
61 |
imagemd |
ycbcr_subsampling |
Designates the subsampling factors used for the chrominance
components of a YCbCr image. It is mandatory when
PhotometricInterpretation = 6, and there are no defaults allowed. See TIFF
Section 21 YCbCr Images and ISO/TC42N 4378 TIFF/EP standard, Section 5 |
Enumerated Type |
NONE |
|