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DICOM PS3.3 2020a - Information Object Definitions​

Page 1341​

MPR View Width Direction (0070,x507)

MPR View Width (0070,x508)

MPR Top Left Hand Corner (0070,x505)

MPR Slab Thickness (0070,x503)

MPR View Height (0070,x512)

MPR View Height Direction (0070,x511)

Figure C.11.26-3. Planar MPR SLAB Geometry​

C.11.27 MPR Volumetric Presentation State Display Module​

Table C.11.27-1 specifies the Attributes that define the transformations of the processed MPR Volumetric Presentation State inputs​ into a single VPS display space, as described in the Volumetric Presentation State pipeline in Section FF.2.1 “Volumetric Transform-​ ations” in PS3.4.​

Table C.11.27-1. MPR Volumetric Presentation State Display Module Attributes​

Attribute Name​

Tag​

Type​

Attribute Description​

Pixel Presentation​

(0008,9205)​

1​

Grayscale or color space of the Presentation State output.​

 

 

 

Enumerated Values:​

 

 

 

MONOCHROME​Output consists of P-Values​

 

 

 

TRUE_COLOR​Output consists of PCS-Values​

Presentation State​

(0070,1801)​

2C​

Sequence of classification components in which the order of Items is​

Classification Component​

 

 

significant. Each classification component converts one or two processed​

Sequence​

 

 

inputs into a single RGB output.​

One or more Items shall be included in this Sequence.​

See Section C.11.27.2.​

Required if Pixel Presentation (0008,9205) has a value of TRUE_COLOR.​

- Standard -​

Page 1342​

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

 

Attribute Description​

>Component Type​

(0070,1802)​

1​

Type of component.​

 

 

 

Enumerated Values:​

 

 

 

ONE_TO_RGBA​

 

 

 

TWO_TO_RGBA​

 

 

 

See Section C.11.27.2.​

>ComponentInputSequence​ (0070,1803)​

1​

Description of the input or inputs to this component.​

 

 

 

OneItemshallbepresentinthisSequenceifComponentType(0070,1802)​

 

 

 

has a value of ONE_TO_RGBA.​

 

 

 

TwoItemsshallbepresentinthisSequenceifComponentType(0070,1802)​

 

 

 

has a value of TWO_TO_RGBA.​

>>Volumetric Presentation​

(0070,1804)​

1​

Value of Volumetric Presentation Input Number (0070,1207) for this input​

Input Index​

 

 

in the Volumetric Presentation State Input Sequence (0070,1201)​

>>Bits Mapped to Color​

(0028,1403)​

3​

The number of most significant bits of each value of Pixel Data (7FE0,0010)​

Lookup Table​

 

 

from this frame contributing to the Palette Color Lookup Table input.​

 

 

 

If absent, Bits Stored (0028,0101) bits of each value of Pixel Data​

 

 

 

(7FE0,0010) from this frame contributes to the Palette Color Lookup Table​

 

 

 

input.​

 

 

 

 

See Section C.7.6.23.3 for usage.​

>RGBLUTTransferFunction​ (0028,140F)​

1​

Specifies the mapping that takes place between the input value and RGB​

 

 

 

output.​

 

 

 

 

Enumerated Values:​

 

 

 

EQUAL_RGB​Output is R=G=B = input value​

 

 

 

TABLE​

Output is RGB LUT values​

 

 

 

See Section C.11.27.1.​

>Alpha LUT Transfer​

(0028,1410)​

1C​

Specifies the transformation that is used to create the Alpha input a​

Function​

 

 

compositor component.​

 

 

 

Enumerated Values:​

 

 

 

NONE​

Output = 1 (opaque) for all input values​

 

 

 

IDENTITY​ Output = input value​

 

 

 

TABLE​ Output = output of the Alpha LUT​

 

 

 

Required if the number of Items in Presentation State Classification​

 

 

 

Component Sequence (0070,1801) is greater than 1.​

 

 

 

Note​

 

 

 

 

When this condition is true, there will be one or more compositor​

 

 

 

components to follow this classification component.​

>Red Palette Color Lookup​

(0028,1101)​

1C​

SpecifiestheformatoftheRedPaletteColorLookupTableData(0028,1201).​

Table Descriptor​

The second value (first stored pixel value mapped) shall be zero.​ See Section C.7.6.3.1.5.​

RequiredifRGBLUTTransferFunction(0028,140F)hasavalueofTABLE.​

- Standard -​

 

DICOM PS3.3 2020a - Information Object Definitions​

Page 1343​

Attribute Name​

Tag​

Type​

Attribute Description​

 

>GreenPaletteColorLookup​ (0028,1102)​

1C​

Specifies the format of the Green Palette Color Lookup Table Data​

Table Descriptor​

 

 

(0028,1202).​

 

 

 

 

The second value (first stored pixel value mapped) shall be zero.​

 

 

 

See Section C.7.6.3.1.5.​

 

 

 

 

RequiredifRGBLUTTransferFunction(0028,140F)hasavalueofTABLE.​

>Blue Palette Color Lookup​

(0028,1103)​

1C​

Specifies the format of the Blue Palette Color Lookup Table Data​

Table Descriptor​

 

 

(0028,1203).​

 

 

 

 

The second value (first stored pixel value mapped) shall be zero.​

 

 

 

See Section C.7.6.3.1.5.​

 

 

 

RequiredifRGBLUTTransferFunction(0028,140F)hasavalueofTABLE.​

>AlphaPaletteColorLookup​ (0028,1104)​

1C​

Specifies the format of the Alpha Palette Color Lookup Table Data.​

Table Descriptor​

 

 

The second value (first stored pixel value mapped) shall be zero.​

 

 

 

 

 

 

See Section C.7.6.3.1.5.​

 

 

 

RequiredifAlphaLUTTransferFunction(0028,1410)hasavalueofTABLE.​

>PaletteColorLookupTable​ (0028,1199)​

3​

Palette Color Lookup Table UID.​

UID​

 

 

See Section C.7.9.1.​

 

 

 

 

 

 

Note​

 

 

 

Including the UID in Presentation States that comprise a​

 

 

 

presentation collection is helpful to the display application that is​

 

 

 

renderingseveralrelatedpresentationstogether.Thepalettesand​

 

 

 

UIDs do not need to be the same in such a case.​

>Red Palette Color Lookup​

(0028,1201)​

1C​

Red Palette Color Lookup Table Data.​

Table Data​

 

 

See Section C.7.6.3.1.5.​

 

 

 

 

 

 

Required if RGB LUT Transfer Function (0028,140F) has a value of TABLE​

 

 

 

and Segmented Red Palette Color Lookup Table Data (0028,1221) is not​

 

 

 

present.​

>GreenPaletteColorLookup​ (0028,1202)​

1C​

Green Palette Color Lookup Table Data.​

Table Data​

 

 

See Section C.7.6.3.1.5.​

 

 

 

 

 

 

Required if Red Palette Color Lookup Table Data (0028,1201) is present.​

>Blue Palette Color Lookup​

(0028,1203)​

1C​

Blue Palette Color Lookup Table Data.​

Table Data​

 

 

See Section C.7.6.3.1.5.​

 

 

 

 

 

 

Required if Red Palette Color Lookup Table Data (0028,1201) is present.​

>AlphaPaletteColorLookup​ (0028,1204)​

1C​

Alpha LUT contains the blending values for the data frames.​

Table Data​

 

 

See Section C.7.6.3.1.5.​

 

 

 

RequiredifAlphaLUTTransferFunction(0028,1410)hasavalueofTABLE​ and Segmented Alpha Palette Color Lookup Table Data (0028,1224) is not​ present.​

- Standard -​

Page 1344​

DICOM PS3.3 2020a - Information Object Definitions​

Attribute Name​

Tag​

Type​

Attribute Description​

>Segmented Red Palette​

(0028,1221)​

1C​

Segmented Red Palette Color Lookup Table Data.​

Color Lookup Table Data​

 

 

See Section C.11.27.5.​

 

 

 

 

 

 

Required if RGB LUT Transfer Function (0028,140F) has a value of TABLE​

 

 

 

and Red Palette Color Lookup Table Data (0028,1201) is not present.​

>Segmented Green Palette​

(0028,1222)​

1C​

Segmented Green Palette Color Lookup Table Data.​

Color Lookup Table Data​

 

 

See Section C.11.27.5.​

 

 

 

 

 

 

Required if Segmented Red Palette Color Lookup Table Data (0028,1221)​

 

 

 

is present.​

>Segmented Blue Palette​

(0028,1223)​

1C​

Segmented Blue Palette Color Lookup Table Data.​

Color Lookup Table Data​

 

 

See Section C.11.27.5.​

 

 

 

 

 

 

Required if Segmented Red Palette Color Lookup Table Data (0028,1221)​

 

 

 

is present.​

>Segmented Alpha Palette​

(0028,1224)​

1C​

Segmented Alpha Palette Color Lookup Table Data.​

Color Lookup Table Data​

 

 

See Section C.11.27.5.​

 

 

 

 

 

 

RequiredifAlphaLUTTransferFunction(0028,1410)hasavalueofTABLE​

 

 

 

and Alpha Palette Color Lookup Table Data (0028,1204) is not present.​

Presentation State​

(0070,1805)​

2C​

RGBCompositorcomponents.EachRGBCompositorcomponentcombines​

Compositor Component​

 

 

pairs of RGB values to produce a single RGB value.​

Sequence​

 

 

The order of Items is significant. If there is more than one compositor​

 

 

 

 

 

 

component, the components are chained such that the output of one​

 

 

 

compositor component is an input to the next compositor component.​

 

 

 

The number of Items in this Sequence shall be one less than the number​

 

 

 

of Items in Presentation State Classification Component Sequence​

 

 

 

(0070,1801).​

 

 

 

See Section C.11.27.3.​

 

 

 

Required if Pixel Presentation (0008,9205) has a value of TRUE_COLOR.​

>Weighting Transfer​

(0070,1806)​

1​

Transfer functions used to derive the weighting factors for each of the two​

Function Sequence​

 

 

RGB inputs from both input Alphas. Each function is represented by the​

 

 

 

formula​

f(Alpha1,Alpha2) = WeightingFactor​

The function is specified in the form of a table.​

Two Items shall be included in this Sequence.​

Theorderissignificant.ThefirstItemspecifiestheweightingfactorforRGB1​ and the second Item specifies the weighting factor for RGB2.​

See Section C.11.27.4.​

- Standard -​

 

DICOM PS3.3 2020a - Information Object Definitions​

Page 1345​

Attribute Name​

Tag​

Type​

Attribute Description​

 

>>LUT Descriptor​

(0028,3002)​

1​

Specifies the format of the LUT Data (0028,3006) in this Sequence.​

 

 

 

The first value (number of entries in the LUT) shall be an even power of two​

 

 

 

or zero indicating 216, so that there are an even number of bits in the LUT​

 

 

 

input.​

 

 

 

 

The third value (number of bits in the LUT Data) shall be 8.​

 

 

 

 

See Section C.11.1.1.​

 

>>LUT Data​

(0028,3006)​

1​

LUT Data.​

 

Presentation LUT Shape​

(2050,0020)​

1C​

Presentation LUT transformation.​

 

 

 

 

Enumerated Values:​

 

 

 

 

IDENTITY​ No further translation necessary; input values are P-Values​

 

 

 

INVERSE​ Output values after inversion are P-Values​

 

 

 

 

See Section C.11.6.1.2.​

 

 

 

 

RequiredifPixelPresentation(0008,9205)hasavalueofMONOCHROME.​

ICC Profile​

(0028,2000)​

1C​

AnICCProfileencodingthetransformationofdevice-dependentcolorstored​

 

 

 

pixel values into PCS-Values.​

 

 

 

 

When present, defines the color space of the output of the Volumetric​

 

 

 

Presentation State.​

 

 

 

 

See Section C.11.15.1.1.​

 

 

 

 

Required if Pixel Presentation (0008,9205) has a value of TRUE_COLOR.​

Color Space​

(0028,2002)​

1C​

A label that identifies the well-known color space of the view.​

 

 

 

 

Shall be consistent with the ICC Profile (0028,2000) that is present.​

Required if Pixel Presentation (0008,9205) has a value of TRUE_COLOR​ and a standard color space described by one of the Enumerated Values in​ Section C.11.15.1.2 is used.​

C.11.27.1 RGB LUT Transfer Function​

If the value of RGB LUT Transfer Function (0028,140F) is "TABLE" then each input scalar value will be mapped to an RGB value​ specified by the specified red, green, and blue palette color lookup tables.​

If the value of RGB LUT Transfer Function (0028,140F) is "EQUAL_RGB" then each input scalar value will used as the red, green​ and blue values of the output (i.e., the output will be grayscale).​

C.11.27.2 Classification Component Usage​

If Pixel Presentation (0008,9205) is TRUE_COLOR, the Presentation State Classification Component Sequence (0070,1801) defines​ the transformations of processed VPS inputs into RGB data streams, a process known as "classification".​

Each Item of Presentation State Classification Component Sequence (0070,1801) describes one "classification component" in the​ VolumetricPresentationStateDisplayPipeline,asdescribedinSectionFF.2.3.2.1“ClassificationComponentComponents”inPS3.4.​ At least one Item is required in order for the Presentation State to generate a PCS-Value output. If there is more than one Item in this​ Sequence, the outputs of the multiple classification components are composited as described in Section C.11.27.3 “Compositor​ Component Usage”.​

Two types of classification components are defined:​

- Standard -​

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