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    ITU-T T 82 CORR 1-1995 Information Technology - Coded Representation of Picture and Audio Information - Progressive Bi-Level Image Compression - Terminals for Telematic Services《信息.pdf

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    ITU-T T 82 CORR 1-1995 Information Technology - Coded Representation of Picture and Audio Information - Progressive Bi-Level Image Compression - Terminals for Telematic Services《信息.pdf

    1、I NTE RNATI O NAL TELECOMMUNICATION UN I ON ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU T.82ICor. I TERMINALS FOR TELEMATIC SERVICES (03/95) INFORMATION TECHNOLOGY - CODED REPRESENTATION OF PICTURE AND AUDIO INFORMATION - PROGRESSIVE BI-LEVEL IMAGE COMPRESSION TECHNICAL CORRIGENDUM I ITU-T

    2、 Recommendation T.82/Cor.I (Previously “CCITT Recommendation”) STD-ITU-T RECMN T.82 COKR* 2-ENGL 2795 48b259L Ob32322 40b W Foreword ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The TU Telecommunication Standardization Secto

    3、r (IT-T) is a permanent organ of the ITU. Some 179 member countries, 84 telecom operating entities, 145 scientific and industrial organizations and 3 8 international organizations participate in ITU-T which is the body which sets world telecommunications standards (Recommendations). The approval of

    4、Recommendations by the Members of ITU-T is covered by the procedure laid down in WTSC Resolution No. 1 (Helsinki, 1993). In addition, the World Telecommunication Standardization Conference (WTSC), which meets every four years, approves Recommendations submitted to it and establishes the study progra

    5、mme for the following period. In some areas of information technology which fall within IT-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. The text of IT-T Recommendation T.82 was approved by the WTSC (Helsinki, March 1-12, 1993). Technical Corrigendum 1 w

    6、as approved on 23 March1995. The identical text is also published as ISO/IEC International Standard 1 1544. NOTES 1 As a consequence of a reform process within the International Telecommunication Union (ITLJ), the CCITT ceased to exist as of 28 February 1993. In its place, the ITU Telecommunication

    7、Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly, in this reform process. the CCIR and the IFRI3 have been replaced by the Radiocommunication Sector. In order not to delay publication of this Recommendation, no change has been made in the text to references containing the acr

    8、onyms “CCITT, CCIR or IFRJ3” or their associated entities such as Plenary Assembly, Secretariat, etc. Future editions of this Recommendation will contain the proper terminology related to the new TU structure. 2 telecommunication administration and a recognized private operating agency. In this Reco

    9、mmendation, the expression “Administration” is used for conciseness to indicate both a O ITU 1995 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing

    10、from the ITLJ. STD*ITU-T RECMN T.82 CORR= 1-ENGL 1775 I qBb2591 Ob31322 3q2 I ISO/IEC 11544 : 1993/Cor.l:1995 (E) INTERNATIONAL STANDARD ITU-T RECOMMENDATION INFORMATION TECHNOLOGY - CODED REPRESENTATION OF PICTURE AND AUDIO INFORMATION - PROGRESSIVE BI-LEVEL IMAGE COMPRESSION TECHNICAL CORRIGENDUM

    11、1 (to Rec. T.82 I ISO/IEC 11544) I Normative changes - NOTE - This paragraph appeared by error. This paragraph does not exist either in its DIS version or DOCR for DIS Delete the second to the last paragraph ofpage 26 starting with “It is permissible .”. version. II Informative changes I) Delete the

    12、 whole paragraph on NOTE 2 in 6.2.6.2. With respect to this deletion: a) b) c) In 6.2. I, add the following sentence to the end of the first paragraph: “NOTE - Applications may wish to precede and follow a BIE with a unique two byte combination (marker segment) so that the BIEs can be detected withi

    13、n other data streams. It is suggested to use OxFFA8 for the starting marker and OxFFA9 for the ending marker. These markers are not considered to be the part of the BIE.” Replace “NOTES” in 6.2.6.2 with “NOTE -”. Delete the “I” ahead of this remaining “NOTE”. Delete the parenthetical reference to NO

    14、TE 2, appeared in the last line of 6.2.6; 2) III Editorial changes In Intro. 2, second to the lastparagraph ofpage ii, third line - change: “encode the stripes in HITOLO order.” to: Lencode the stripes in high to low order.” In Figure Intro. 4, replace “typycal” with “Typical”. In Figure Intro. 6, t

    15、wo locations, replace “Diferential” with “Differential”. Change the definition of 3.36 “typical prediction” as follows: “A method that looks ahead for success in predicting solid color blocks of pixels in an image. Such prediction is subsequently used, only where predictive success was achieved for

    16、entire lines (these lines are indicated with a flag).” Change the third sentence of 6.2. I as follows: “The data describing a given image in all its available resolutions and bit-planes may be, but need not necessarily be, contained in more than one BIE.” In page 8, second to the last line - change:

    17、 “than” to: “then”. Change the four instances of”new length” or “new-length” to “NEWLEN in 6.2.6.2. Change the four instances of”comment” or “Comment” to “COMMENT” in 6.2.6.3. Change the caption for Table 13 to: “Table 13 - ABORT marker segment”. 10) Change the caption for Table 14 to: “Table 14 - A

    18、TMOVE marker segment” ITU-T Rec. T.82 (1993)/Cor.l (1995 E) 1 STD*ITU-T RECMN T.82 CORRO 1-ENGL 1995 4Bb2571 Ob31323 289 ISOAEC 11544 : 1993/Cor.l:1995 (E) 1 1) Change the caption for Table 15 to: “Table 15 - NEWLEN marker segment”. 12) Change the YATvariable in Table 14 to be lower case from YATtOY

    19、AT). 13) In page 30, in 6.8.2.3, second line of secondparagraph, “equation 9” should be corrected to “equation 8”. 14) In page 39, Figure 30, right side block belowjrst decision box (diamond shape) - change: “BUFFER+l” to: “BUFFER”. 15) In the title of Table 25, replace “Decor” with “Decoder”. 16) F

    20、rom page 47 to page 51, all rows expressed as “CS” in Table 26 should be corrected to “SC”. 17) In 7.2.2, the third line of the second paragraph, replace the reference to Table 28 with a reference to 18) In 7.2.2, the fourth line of the secondparagraph, replace the reference to Table 29 with a refer

    21、ence to 19) In 7.2.2, the jrst line of the third paragraph, replace the reference to Table 30 with a reference to 20) Move Table 29 to after the thirdparagraph of 7.2.2. 2 1) In the title of Table 29, replace “conding” with “coding”. 22) In the title of Table 30, replace “enconding” with LLencoding.

    22、 23) In 7.2.3, the jrst line of the second paragraph, replace the reference to Table 31 with a reference to 24) Move Table 30 to between second and thirdparagraph of 7.2.3. 25) In page 62, Figure C.2, inside the first decision box (diamond shape), third line - Table 2 7. Table 28. Table 29. Table 30

    23、. change: “cmW - cold 4), to: “Cmm - cold (call ,Y. 26) In page 62, Figure C.2, outside thejrst decision box (diamond shape) - add to right side output: “No” add to bottom output: “Yes”. 27) In Annex F, update the ninth paper listed as follows: “DUTTWEILER (D.) and CHAMZAS (C.): Probability estimati

    24、on in arithmetic and adaptive-Huffman entropy coders, to be published in IEEE Trans. on Image Processing, March 1995.” 28) In Annex F, update the tenth paper listed as follows: “SHEINVALD (O.) and PASCO (R.): Deterministic prediction in progressive coding, IEEE Trans. on Information Theory, Vol. 39, No. 2, March 1993.” 2 ITU-T Rec. T.82 (1993)Eor.l (1995 E)


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