Материал: part05

Page 6​

DICOM PS3.5 2020a - Data Structures and Encoding​

DICOM PS3.5 2020a - Data Structures and Encoding​

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List of Figures​

7.1-1. DICOM Data Set and Data Element Structures ..................................................................................................

52​

D-1. An Image Pixel Plane ....................................................................................................................................

117​

D-2. Encoding (Packing) of Arbitrary Pixel Data with a VR of OW .................................................................................

118​

D-3. Example Pixel Cells ......................................................................................................................................

118​

D-4. Example Pixel Cells Packed into 16-bit Words (VR = OW) ....................................................................................

119​

D-5.

Example Pixel Cells Byte Ordered in Memory (VR = OW) .....................................................................................

119​

D-6.

Sample Pixel Data Byte Streams (VR = OW) .....................................................................................................

119​

D-7.

Sample Pixel Data Byte Streams for 8-bits Allocated and 8-bits Stored (VR = OW) ....................................................

120​

D-8.

Sample Pixel Data Byte Streams for 8-bits Allocated and 8-bits Stored (Explicit VR = OB) ..........................................

120​

D.2-1. Example 1 of Pixel and Overlay Data Cells .....................................................................................................

121​

D.2-3. Example 3 of Pixel and Overlay Data Cells .....................................................................................................

121​

D.2-4.

Example 4 of Overlay Data Cells ...................................................................................................................

121​

D.2-5.

Example 5 of Single Bit Pixel Data Cells (VR=OW) ...........................................................................................

122​

D.3-1.

Sample Float Pixel Data Byte Streams for VR = OF ..........................................................................................

122​

D.3-2.

Sample Float Pixel Data Byte Streams for VR = OD ..........................................................................................

122​

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DICOM PS3.5 2020a - Data Structures and Encoding​

DICOM PS3.5 2020a - Data Structures and Encoding​

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List of Tables​

6.1-1. DICOM Control Characters and Their Encoding .................................................................................................

36​

6.2-1. DICOM Value Representations .......................................................................................................................

38​

7.1-1. Data Element with Explicit VR other than as shown in Table 7.1-2 .........................................................................

53​

7.1-2.

Data Element with Explicit VR of AE, AS, AT, CS, DA, DS, DT, FL, FD, IS, LO, LT, PN, SH, SL, SS, ST, TM, UI, UL and​

US ....................................................................................................................................................................

53​

7.1-3.

Data Element with Implicit VR .........................................................................................................................

54​

7.5-1.

Example of a Data Element with Implicit VR Defined as a Sequence of Items (VR = SQ) with Three Items of Explicit​

Length ...............................................................................................................................................................

58​

Two Items of Explicit Length ...................................................................................................................................

58​

Two Items Where One Item is of Explicit Length and the Other Item is of Undefined Length .................................................

59​

tions ..................................................................................................................................................................

67​

ations .................................................................................................................................................................

67​

8.2.2-1. Valid Values of Pixel Data Related Attributes for RLE Compression using Standard Photometric Interpretations ...........

69​

8.2.3-1. Valid Values of Pixel Data Related Attributes for JPEG-LS Compression using Standard Photometric Interpretations ....

70​

tions ..................................................................................................................................................................

71​

8-1. MPEG2 Main Profile / Main Level Image Transfer Syntax Rows and Columns Attributes ...............................................

73​

8-2. MPEG2 Main Profile / High Level Image Transfer Syntax Frame Rate Attributes .........................................................

75​

8-3. Examples of MPEG2 Main Profile / High Level Screen Resolution ............................................................................

76​

8-4.

Values Permitted for MPEG-4 AVC/H.264 BD-compatible High Profile / Level 4.1 ........................................................

78​

8-5.

MPEG-4

AVC/H.264 High Profile / Level 4.1 Image Transfer Syntax Frame Rate Attributes ...........................................

79​

8-7.

MPEG-4

AVC/H.264 High Profile / Level 4.2 Image Transfer Syntax Frame Rate Attributes ...........................................

80​

8-8.

MPEG-4

AVC/H.264 High Profile / Level 4.2 Image Transfer Syntax Stereo Attributes ..................................................

81​

8.2.12-1. Allowed Audio Formats .............................................................................................................................

84​

8.2.13-1. Constraints Applicable to Attributes describing Pixel Data ................................................................................

86​

8.2.13-2. List of supported SMPTE ST 2110-20 Parameter Combinations ........................................................................

86​

8.2.13-3. List of unsupported SMPTE ST 2110-20 Parameter Combinations .....................................................................

86​

A.4-1.ExampleforElementsofanEncodedSingle-FrameImageDefinedasaSequenceofThreeFragmentsWithoutBasicOffset​

Table Item Value ................................................................................................................................................

102​

Offset Table Item Value (continued) ........................................................................................................................

102​

Item Values .......................................................................................................................................................

103​

Item Values (continued) .......................................................................................................................................

103​

A.4-3. DICOM Transfer Syntax UIDs for JPEG ..........................................................................................................

103​

A.8-1. DICOM Attributes for different color resolution .................................................................................................

110​

A.10-1. ST 2110-30 and DICOM sampling frequency .................................................................................................

111​

A.10-2. Waveform Sample Interpretation .................................................................................................................

111​

A.10-3. Example of Number of Waveform Samples for 48kHz for basic Audio (Mono or Stereo) ..........................................

111​

E-1. DICOM Default Character Repertoire Encoding ..................................................................................................

123​

F.1-1. JPEG Modes of Image Coding ......................................................................................................................

126​

F.1-2. Relationship Between the Lossy JPEG Huffman Coding Processes ......................................................................

126​

F.1-5. Identification of JPEG Coding Processes in DICOM ..........................................................................................

126​

G.4-1. Organization of RLE Compressed Frame .......................................................................................................

130​

G.5-1. Ordering of the Offsets Within the RLE Header ................................................................................................

131​

G.6-1. Example of Elements for an Encoded YCbCr RLE Three-Frame Image with Basic Offset Table .................................

131​

G.6-1b. Example of Elements for an Encoded YCbCr RLE Three-Frame Image with Basic Offset Table (continued) ...............

132​

G.6-2. Example of Encoded YCbCr RLE Compressed Frame Item Value .......................................................................

132​

H.1-1. ISO/IEC 2022 Escape Sequence for ISO-IR 13 and ISO-IR 14 ............................................................................

133​

H.1-2. ISO/IEC 2022 Escape Sequence for ISO-IR 87 and ISO-IR 159 ..........................................................................

134​

H.2-1. Character Sets for the Japanese language in DICOM and Internet practice ...........................................................

134​

H.2-2. Control Characters Supported in DICOM and Internet practice ............................................................................

135​

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DICOM PS3.5 2020a - Data Structures and Encoding​

H.3-1. Character Sets and Escape Sequences Used in Example 1 ...............................................................................

136​

H.3-2. Character Sets and Escape Sequences Used in Example 2 ...............................................................................

137​

I.1-1. ISO/IEC 2022 Escape Sequence for ISO-IR 149 ...............................................................................................

139​

I.3-1. Character Sets and Escape Sequences Used in the Examples .............................................................................

141​

K.1-1. ISO/IEC 2022 Escape Sequence for ISO-IR 58 ................................................................................................

147​

K.3-1. Character Sets and Escape Sequences used in the Examples of Person Name ......................................................

148​