Method and apparatus for storing and communicating a transform definition which includes sample values representing an input/output relation of an image transformation

A method for communicating a transform definition to a destination device, said transform definition for generating output image parameter data based on input image data and having a channel corresponding to each output image parameter, each channel having at least one input table, an output table and a grid table representing an input/output relation of an image transformation, said method comprising the steps of:

• providing said destination device with identification data identifying the communication as that of a transform definition,
• providing said destination device with version data for distinguishing the transform definition from other versions of the transform definition,
• providing the destination device with length data specifying the length of optional identification data,
• providing said destination device with order information specifying a default approximation method to be used when evaluating the transform definition,
• providing the destination device with code word data identifying each input table used by a plurality of the transform definition's channels,
• providing the destination device with size data specifying a size of one of the grid table's dimensions for each channel's grid table,
• providing the destination device with input code data identifying the type of private input tables for each channel of the transform definition,
• providing the destination device with output code data identifying the type of private output tables for each channel of the transform definition,
• providing the destination device with grid code data identifying the type of private grid table for each channel of the transform definition,
• providing the destination with any optional identification data,
• providing the destination device with the input table data of any input table which is shared by a plurality of channels of said transform definition,
• providing the destination device with the output table data of any output table which is shared by a plurality of channels of said transform definition,
• providing the destination device with the grid table data of any grid table which is shared by a plurality of channels of said transform definition,
• providing said destination device the input table data of any private input tables,
• providing said destination device the output table data of any private output tables, and
• providing said destination device the grid table data of any private grid tables.

A method for storing a transform definition in a storage file, said transform definition for generating output image parameter data based on input image data and having a channel corresponding to each output image parameter, each channel having at least one input table, an output table and a grid table representing an input/output relation of an image transformation, said method comprising the steps of:

• storing in an identification field, identification data identifying the communication as that of a transform definition,
• storing in a version field, version data for distinguishing the transform definition from other versions of the transform definition,
• storing in a size field, size data specifying the size of one of the grid table's dimensions for each channel's grid table,
• storing in a shared input data field, input table data of any input table which is shared by a plurality of channels of said transform definition,
• storing in a shared output data field, output table data of any output table which is shared by a plurality of channels of said transform definition,
• storing in a shared grid data field, grid table data of any grid table which is shared by a plurality of channels of said transform definition,
• storing in a private input data field, input table data of any private input tables,
• storing in a private output data field, output table data of any private output tables, and
• storing in a private grid table field, grid table data of any private grid tables.

A method for storing a transform definition in a storage file, said transform definition for generating output image parameter data based on input image data and having a channel corresponding to each output image parameter, each channel having at least one input table, an output table and a grid table representing an input/output relation of an image transformation, said method comprising the steps of:

• storing in an identification field, data identifying the communication as that of a transform definition,
• storing in a version field, data for distinguishing the transform definition from other versions of the transform definition,
• storing in a lengthy field, data specifying the length of optional identification data,
• storing in an order field, data specifying the default approximation method to be used when evaluating the transform definition,
• storing in a code word field, data identifying each input table used by a plurality of the transform definition's channels,
• storing in a size field, data specifying the size of one of the grid table's dimensions for each channel's grid table,
• storing in an input code field, data identifying the type of private input tables for each channel of the transform definition,
• storing in an output code field, data identifying the type of private output tables for each channel of the transform definition,
• storing in a grid code field, data identifying the type of private grid table for each channel of the transform definition,
• storing in an option field, any optional identification data,
• storing in a shared input table field, data of any input table which is shared by a plurality of channels of said transform definition,
• storing in a shared output table field, data of any output table which is shared by a plurality of channels of said transform definition,
• storing in a shared grid table field, data of any grid table which is shared by a plurality of channels of said transform definition,
• storing in a private input table field, data of any private input tables,
• storing in a private output table field, data of any private output tables, and
• storing in a private grid table field, data of any private grid tables.

A storage device for storing a transform definition in a storage file, said transform definition for generating output image parameter data based on input image data and having a channel corresponding to each output image parameter, each channel having at least one input table, an output table and a grid table representing an input/output relation of an image transformation, said storage device comprising the steps of:

• means for storing in an identification field, identification data identifying the communication as that of a transform definition,
• means for storing in a version field, version data for distinguishing the transform definition from other versions of the transform definition,
• means for storing in a size field, size data specifying the size of one of the grid table's dimensions for each channel's grid table,
• means for storing in a shared input data field, input table data of any input table which is shared by a plurality of channels of said transform definition,
• means for storing in a shared output data field, output table data of any output table which is shared by a plurality of channels of said transform definition,
• means for storing in a shared grid data field, grid table data of any grid table which is shared by a plurality of channels of said transform definition,
• means for storing in a private input data field, input table data of any private input tables,
• means for storing in a private output data field, output table data of any private output tables, and
• means for storing in a private grid table field, grid table data of any private grid tables.

A storage device for storing a transform definition in a storage file, said transform definition for generating output image parameter data based on input image data and having a channel corresponding to each output image parameter, each channel having at least one input table, an output table and a grid table representing an input/output relation of an image transformation, said storage device comprising:

• means for storing in an identification field, data identifying the communication as that of a transform definition,
• means for storing in a version field, data for distinguishing the transform definition from other versions of the transform definition,
• means for storing in a lengthy field, data specifying the length of optional identification data,
• means for storing in an order field, data specifying the default approximation method to be used when evaluating the transform definition,
• means for storing in a code word field, data identifying each input table used by a plurality of the transform definition's channels,
• means for storing in a size field, data specifying the size of one of the grid table's dimensions for each channel's grid table,
• means for storing in an input code field, data identifying the type of private input tables for each channel of the transform definition,
• means for storing in an output code field, data identifying the type of private output tables for each channel of the transform definition,
• means for storing in a grid code field, data identifying the type of private grid table for each channel of the transform definition,
• means for storing in an option field, any optional identification data,
• means for storing in a shared input table field, data of any input table which is shared by a plurality of channels of said transform definition,
• means for storing in a shared output table field, data of any output table which is shared by a plurality of channels of said transform definition,
• means for storing in a shared grid table field, data of any grid table which is shared by a plurality of channels of said transform definition,
• means for storing in a private input table field, data of any private input tables,
• means for storing in a private output table field, data of any private output tables, and
• means for storing in a private grid table field, data of any private grid tables.