JP2016165076A5

JP2016165076A5 -

Info

Publication number: JP2016165076A5
Application number: JP2015045084A
Authority: JP
Filing date: 2015-03-06
Publication date: 2018-04-12
Anticipated expiration: 2035-03-06

Description

上記の目的を達成するために本発明の一態様による画像処理装置は以下の構成を備える。すなわち、
一つのルックアップテーブルを構成する格子点データを、格子点座標を構成する軸の数をＭとし、２ ^Ｍ個で表される複数バンクのメモリにロードしてデータ処理を実行するデータ処理装置であって、
ロード対象の格子点データとレジスタアドレスを受信する受信手段と、
前記受信手段により受信されたレジスタアドレスを、各バンクのメモリに格納される格子点データの個数に基づいてバンク指定とメモリアドレスに変換する変換手段と、
前記変換手段により得られたバンク指定とメモリアドレスにしたがって、前記ロード対象の格子点データを前記複数バンクのメモリに記憶する記憶手段と、を備える。 In order to achieve the above object, an image processing apparatus according to an aspect of the present invention comprises the following arrangement. That is,
A data processing device for executing data processing by loading lattice point data constituting one lookup table into a memory of a plurality of banks represented by ^2M , where M is the number of axes constituting lattice point coordinates. There,
Receiving means for receiving the grid point data to be loaded and the register address;
Conversion means for converting the register address received by the receiving means into bank designation and memory address based on the number of grid point data stored in the memory of each bank;
Accordance bank designation and a memory address obtained by the conversion means, and a storage means for storing grid point data of the load subject to memory of the multiple bank.

Claims

A data processing device for executing data processing by loading lattice point data constituting one lookup table into a memory of a plurality of banks represented by ^2M , where M is the number of axes constituting lattice point coordinates. There,
Receiving means for receiving the grid point data to be loaded and the register address;
Conversion means for converting the register address received by the receiving means into bank designation and memory address based on the number of grid point data stored in the memory of each bank;
Data processing apparatus, characterized in that it comprises a storage means in accordance with the bank specifies a memory address obtained, which stores grid point data of the load subject to memory of the multiple bank by the conversion means.

The register address is the one of the look-continuous register address to all the grid points data constituting the up table is assigned, and a continuous register address to the lattice point data group are classified into each of the multiple bank The data processing apparatus according to claim 1, wherein the data processing device is assigned so as to correspond to the grid point coordinates.

3. The data processing apparatus according to claim 2, further comprising assigning means for assigning a register address to lattice point data constituting the one look-up table.

Wherein said converting means, said register address, by comparing the threshold value according to the number of grid points data belonging to each of the multiple banks, characterized by determining the bank specified with the memory address Item 4. The data processing device according to any one of Items 1 to 3.

The converting means determines the bank designation and the memory address by comparing a value obtained by dividing the register address by the number of register addresses assigned to one grid point data with the threshold value. The data processing apparatus according to claim 4.

Each of the memory of the several banks, in accordance with the number of grid points data belonging to each of the multiple bank, according to any one of claims 1 to 5, characterized in that it has a different capacity Data processing equipment.

Classification into the multiple banks of grid point data constituting said one look-up table is based on odd and even combination of coordinate values of each axis constituting the lattice point coordinates, the number of axes 3 7. The data processing apparatus according to claim 1 , wherein the number of banks is an axis, and the number of banks is eight .

The converting means switches a method for converting the register address into a bank designation and a memory address according to instruction information indicating one of a plurality of types of lookup tables having different numbers of grids per axis. The data processing apparatus according to claim 1, wherein:

And the converting means, said register address, by comparing a set threshold value which is set based on the number of grid points data belonging to each of the multiple banks to determine the bank specified with the memory address,
The data processing apparatus according to claim 8, wherein the set of threshold values is switched according to the instruction information.

And the converting means, said register address, by comparing a set threshold value which is set based on the number of grid points data belonging to each of the multiple banks to determine the bank specified with the memory address,
Holding means for holding the set of thresholds;
A set of thresholds to be held by the holding means, any one of claims 1 to 7, characterized by further comprising a changing means for changing in accordance with the look-up table to be loaded into the memory of the multiple bank The data processing apparatus according to item 1.

Based on the lattice point coordinates obtained based on the input data, a reading means for reading a plurality of the grid points data simultaneously from the memory of the multiple bank,
The interpolation means according to any one of claims 1 to 10, further comprising interpolation means for performing an interpolation process using a plurality of grid point data read by the reading means to obtain conversion data for the input data. The data processing apparatus described in 1.

A data processing apparatus that loads grid point data constituting one lookup table to a memory of a plurality of banks represented by ^2M , where M is the number of axes constituting a grid point coordinate, and executes data processing. A control method,
A receiving process for receiving grid point data and register addresses to be loaded;
A conversion step of converting the register address received in the reception step into a bank designation and a memory address based on the number of grid point data stored in the memory of each bank;
Accordance bank designation and a memory address obtained by the conversion process, the control method of the data processing apparatus characterized by having a storage step of storing the grid point data of the load subject to memory of the multiple bank .

A program for causing a computer to execute each step of the control method according to claim 12.