ISO INTERNATIONAL STANDARD 9282-1 First edition 1988-09-01 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATIONINTERNATIONALEDE NORMALISATION MEXKAYHAPOAHAAOPAHM3ALMAOCTAHAAPTW3ALWM Information processing - Coded representation of pictures Part 1 : Encoding principles for picture representation in a 7-bit or8-bitenvironment TraitementdeI'information-Representation codeede Il'image Partie 1: Principes de codage pour la représentation d'image dans un environnement codé a7eta8élements Rcfcrcncenumber ISO 9282-1: 1988 (E) ISO 9282-1 :1988 (E) Contents Page Foreword. iv Introduction v Scope 1 Normativereferences Definitionsandnotation 3.1 Definitions 3.2 Notation 3.2.1 7-bit byte 3.2.2 8-bit byte 22222 3.2.3 Byte interpretation 3.3 Layout of the code table 3.3.1 7-bit representation 3.3.2 8-bit representation Encoding principles 2 Encoding principles for opcodes 5 224 5.1 General 5.2 Compact opcode encoding 5.3 Extensible opcode encoding. 4 5.3.1 Encoding technique of the basic opcode set 4 5.3.2 Extension mechanism 4 Encoding principles for operands 55556677888 6.1 General 6.2 Formatdefinitions 6.2.1 Basicformat 6.2.2 Bitstreamformat 6.2.3 String format 6.3 General datatypes 6.3.1 Unsigned integers 6.3.1.1 Unsigned integers inthebasic format 6.3.1.2 Unsigned integers in the bitstream format. 6.3.2 Signed integers 6.3.2.1 Signed integers in the modulus-and-sign notation using the basicformat. 10 6.3.2.2 Signed integers in the two's complement notation using the basicformat. 11 6.3.2.3 Signed integers in the modulus-and-sign notation using the 12 International Organization for Standardization,1988 Printed in Switzerland ISO 9282-1 :1988 (E) 6.3.2.4 Signed integers in the two's complement notation using the bitstreamformat 13 6.3.3 Realnumbers 13 6.3.3.1 Real numbers in the basic format 14 6.3.3.2Real numbers in the bitstream format 17 6.3.4 Coordinates (2-dimensional) . 20 6.3.4.1 Coordinates using real numbers 20 6.3.4.2 Coordinates interleaved coordinate pairs. 20 6.3.5 Coordinates (3-dimensional) . 20 6.3.5.1 Coordinates using real numbers 20 6.3.5.2 Coordinates interleaved coordinate triplets 21 6.3.6Point lists in displacement mode 21 7 Conformity. 22 Annex A:List and definition of state variables . 23 ili Standardizat