DICOM PS3.3 2025a - Information Object Definitions

C.39.3 Textual Waveform Annotation Module

This Module defines Attributes of textual annotations that shall be made available by a display device to be applied to a waveform. The text is defined in position relative to the waveform time information.

A textual waveform Annotation shall be related to a waveform.

Table C.39.3-1. Textual Waveform Annotation Module Attributes

Attribute Name

Tag

Type

Attribute Description

Waveform Textual Annotation Sequence

(0040,B033)

1

Selects and provides textual annotations for a group of waveforms or channels within these waveforms.

One or more Items shall be included in this Sequence.

>Annotation DateTime

(0040,B034)

3

The date and time the annotation was added.

>Referenced Waveform Sequence

(0008,113A)

1C

The waveform to which this annotation applies.

One or more Items shall be included in this Sequence.

Required if the annotation in this Item does not apply to all the waveforms and channels contained in Referenced Waveform Sequence (0008,113A) in the Referenced Series Sequence (0008,1115).

>>Include Table 10-11 “SOP Instance Reference Macro Attributes”

This references waveforms to which the annotation applies.

The Instances referenced here shall be contained in the Referenced Waveform Sequence (0008,113A) in the Referenced Series Sequence (0008,1115).

>>Referenced Waveform Channels

(0040,A0B0)

1

Identifies the waveform multiplex group (M) and channels (C) within the referenced SOP Instance using pairs of values (M,C). See Section C.10.10.1.1.

>Include Table C.39.8-1 “Temporal Range Macro Attributes”

Enumerated Values for Temporal Range Type (0040,A130):

POINT

MULTIPOINT

>Referenced Montage Index

(0040,B032)

3

The recommended viewing montage identified by the Montage Index (0040,B03D) in the Waveform Montage Sequence (0040,B039).

>Text Object Sequence

(0070,0003)

1

Describes a text annotation.

A single Item shall be included in this Sequence.

>>Unformatted Text Value

(0070,0006)

1

The text to be displayed.

>>Text Color CIELab Value

(0070,0241)

3

A default color triplet value used to specify the text color in which it is recommended that the text be rendered on a color display. The units are specified in PCS-Values, and the value is encoded asCIELab. See Section C.10.7.1.1.


DICOM PS3.3 2025a - Information Object Definitions