INTERNATIONALSTANDARDISO/IEC11544:1993 EC Tso TECHNICAL CORRIGENDUM2 Published 2001-12-15 INTERNATIONALELECTROTECHNICALCOMMISSION Information technology -- Coded representation of picture and audio information - Progressive bi-level image compression TECHNICAL CORRIGENDUM 2 Technologies de Iinformation-Représentation codee des images et du son-Compression progressive des imagesendeuxtons RECTIFICATIFTECHNIQUE2 hypermedia information. ICS35.040 Ref.No.ISO/IEC11544:1993/Cor.2:2001(E) @ISO/lEC2001-Allrightsreserved Provided by IHS under license with ISC No reproduction or networking permitted without license from IHS Not for Resale ISO/IEC 11544 : 1993/Cor.2 : 2001 (E) INTERNATIONALSTANDARD ITU-T RECOMMENDATION INFORMATION TECHNOLOGY - CODED REPRESENTATION OF PICTURE AND AUDIO INFORMATION -- PROGRESSIVE BI-LEVEL IMAGE COMPRESSION TECHNICAL CORRIGENDUM 2 1) Subclause 6.1.2 In 6.1.2, change the third dash as follows: A pixel reference in a stripe above the current one shall return the actual value of the pixel, unless the pixel is above the image or in the previous stripe of this layer which is terminated with sDRsT, in which case the background-border-rule for the image top shall be applied. 2) Subclause 6.2.6.1 In 6.2.6.1, change the last paragraph as follows: For the first stripe of a layer, or after sDRsT at the end of the previous stripe in a layer, set AT pixel to its default location. After sDNoRM at the end of the previous stripe in a layer, set AT pixel location to its value at the end of the previous stripe of the layer. Further discussion of adaptive template pixels and the variables yAT, tx, and ty appears in 6.7.3. 3) Subclause 6.2.6.2 Change "The new-length marker" to "The NEWLEN marker" in Note I of 6.2.6.2. 4) Subclause 6.8.2.9 In 6.8.2.9, change the first sentence as follows: If this stripe is at the top of the image or the previous stripe of this layer is terminated with sDRsT, the probability- estimation states for all possible values of cx are set to 0 (that is, the equiprobable state). ITU-T T.82 (1993)/Cor.2 (03/2001 E) 1 ional Organizatic for Standardizatic se with ISC Not for Resale ISO/IEC11544:1993/Cor.2:2001(E) 5) Figure 27 Change Figure 27 as follows: Yes First stripe of this layer or No afterSDRST? For all CX, For all CX, set ST(CX) and MPS(CX) to ST(CX)=0 their values at the end of the previous MPS(CX)=0 stripe of this layer. Set AT pixel to its default location. Set ATpixel locationto its value at the When in lowest resolution layer, set end of the previous stripe of this layer. LNTPy-1 value to 1. When in lowest resolution layer, set For referencing pixels across top stripe LNTPy-1 to its value at the end boundary, use pixel values from the of the previous stripe of this layer. background-border-rule in 6.1.2 For referencing pixels across top stripe boundary, use pixel values from the previous stripe of this layer. T1609380-01 SC=0 A=0x10000 C=0 CT=11 Figure 27 - Flow diagram for the procedure INITENC 6) Technical Corrigendum 1 Change Technical Corrigendum I, Ill 8) to the following: "Change the three instances of "comment" or "Comment" to "COMMENT" in 6.2.6.3" 2 ITU-T.T.82 (1993)/Cor.2 (03/2001 E) Copyright Interr No reproduction or networking permited without license from IHS Not for Resale 4851903 0636073019 INTERNATIONAL STANDARDISO/IEC 11544:1993 ISO IEC TECHNICALCORRIGENDUM 1 Published 1995-12-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION-MEXKAYHAPOAHAA OPTAHW3AIMH HO CTAHDAPTW3AUWM· ORGANISATION INTERNATIONALE DE NORMALISATION Information technology -- Coded representation of picture and audio information -- Progressive bi-level image compression TECHNICAL CORRIGENDUM 1 Technologies de I'information - Representation codee de I'image et du son - Compression de I'image progressive a deux niveaux RECTIFICATIFTECHNIQUE1 Technical corrigendum 1 to International Standard ISO/IEC 11544:1993 was prepared by Joint Technical Committee ISO/IEc JTC 1, Information technology. ICS35.040 Ref. No. ISO/IE