JP2008117135A5 - - Google Patents
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- JP2008117135A5 JP2008117135A5 JP2006299182A JP2006299182A JP2008117135A5 JP 2008117135 A5 JP2008117135 A5 JP 2008117135A5 JP 2006299182 A JP2006299182 A JP 2006299182A JP 2006299182 A JP2006299182 A JP 2006299182A JP 2008117135 A5 JP2008117135 A5 JP 2008117135A5
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Claims (13)
前記メモリ手段の2次元的な領域に連続的に書き込みを行う第1アクセス手段と、
前記第1アクセス手段によって書き込まれた、前記メモリ手段の2次元的な領域を分割した分割領域から読み出しを行う第2アクセス手段と、
前記第1および第2アクセス手段を制御するメモリ制御手段とを備え、
前記メモリ制御手段は、前記第1アクセス手段によって最後に書き込みが行われた前記メモリ手段のアドレスと、前記第2アクセス手段によって次に読み出しが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセス手段による読み出しを行わせず、
前記間隔が一定間隔より大きいときには、前記第2アクセス手段による読み出しを行わせることを特徴とするメモリ制御装置。 A memory control device comprising memory means for storing data and controlling access made to the memory means,
First access means for continuously writing to a two-dimensional area of the memory means;
Second access means for reading from a divided area obtained by dividing the two-dimensional area of the memory means written by the first access means ;
Memory control means for controlling the first and second access means,
The memory control means has a constant interval between an address of the memory means last written by the first access means and an address of the memory means read next by the second access means. When it is smaller, the reading by the second access means is not performed,
The memory control device , wherein when the interval is larger than a certain interval, reading by the second access means is performed .
前記メモリ手段の2次元的な領域から連続的に読み出しを行う第1アクセス手段と、
前記第1アクセス手段によって読み出された、前記メモリ手段の2次元的な領域を分割した分割領域に書き込みを行う第2アクセス手段と、
前記第1および第2アクセス手段を制御するメモリ制御手段とを備え、
前記メモリ制御手段は、前記第1アクセス手段によって最後に読み出しが行われた前記メモリ手段のアドレスと、前記第2アクセス手段によって次に書き込みが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセス手段による書き込みを行わせず、
前記間隔が一定間隔より大きいときには、前記第2アクセス手段による書き込みを行わせることを特徴とするメモリ制御装置。 A memory control device comprising memory means for storing data and controlling access made to the memory means,
First access means for continuously reading from a two-dimensional area of the memory means;
Second access means for writing to a divided area obtained by dividing the two-dimensional area of the memory means, read by the first access means;
Memory control means for controlling the first and second access means,
The memory control means is configured such that an interval between an address of the memory means last read by the first access means and an address of the memory means to be written next by the second access means is a constant interval. When it is smaller, the writing by the second access means is not performed,
The memory control device according to claim 1, wherein when the interval is larger than a certain interval, the writing by the second access means is performed .
前記メモリ手段の2次元的な領域を分割した第1分割領域に書き込みを行う第1アクセス手段と、
前記第1アクセス手段によって書き込まれた領域に、前記第1分割領域とは異なる分割をした第2分割領域から読み出しを行う第2アクセス手段と、
前記第1および第2アクセス手段を制御するメモリ制御手段とを備え、
前記メモリ制御手段は、前記第1アクセス手段によって次に書き込みが行われる前記メモリ手段のアドレスと、前記第2アクセス手段によって次に読み出しが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセス手段による読み出しを行わず、
前記間隔が一定間隔より大きいときには、前記第2アクセス手段による読み出しを行うことを特徴とするメモリ制御装置。 A memory control device comprising memory means for storing data and controlling access made to the memory means,
First access means for writing to a first divided area obtained by dividing a two-dimensional area of the memory means;
Second access means for reading from a second divided area that is divided from the first divided area into the area written by the first access means;
Memory control means for controlling the first and second access means,
The memory control means is configured such that an interval between an address of the memory means to be written next by the first access means and an address of the memory means to be read next by the second access means is a predetermined interval. When it is small, reading by the second access means is not performed,
The memory control device according to claim 1, wherein when the interval is larger than a predetermined interval, reading by the second access means is performed .
入射された被写体光を画像データとして出力する撮像手段と、を有し、
前記第1アクセス手段は、前記撮像手段によって得られた画像データを前記メモリ手段に書き込み、前記第2アクセス手段は、前記書き込まれた画像データを信号処理するために前記メモリ手段から読み出すことを特徴とする撮像装置。 A memory control device according to claim 1;
Imaging means for outputting incident subject light as image data,
The first access means writes the image data obtained by the imaging means to the memory means, and the second access means reads the written image data from the memory means for signal processing. An imaging device .
入射された被写体光を画像データとして出力する撮像手段と、
前記画像データを変倍する変倍手段と、
前記画像データを変調する変調手段と、を有し、
前記第1アクセス手段は、前記メモリ手段に書き込まれた前記画像データを、前記変調手段によって変調するために前記メモリ手段から読み出し、
前記第2アクセス手段は、前記変倍手段によって変倍処理が行われた画像データを前記メモリ手段に書き込むことを特徴とする撮像装置。 A memory control device according to claim 3;
Imaging means for outputting incident subject light as image data;
A scaling means for scaling the image data;
Modulation means for modulating the image data,
The first access means, the image data written in said memory means, and read out from said memory means to be modulated by the modulating means,
The imaging apparatus according to claim 2, wherein the second access unit writes the image data subjected to the scaling process by the scaling unit into the memory unit .
入射された被写体光を画像データとして出力する撮像手段と、
前記画像データに信号処理を施す処理手段と、
前記画像データを変倍する変倍手段と、を有し、
前記第1アクセス手段は、前記処理手段によって信号処理が行われた画像データを前記メモリ手段に書き込み、
前記第2アクセス手段は、前記書き込まれた画像データを前記変倍手段によって変倍処理するために前記メモリ手段から読み出すことを特徴とする撮像装置。 A memory control device according to claim 5;
Imaging means for outputting incident subject light as image data;
Processing means for performing signal processing on the image data;
A scaling means for scaling the image data,
The first access means writes the image data subjected to signal processing by the processing means to the memory means,
The imaging apparatus according to claim 2, wherein the second access unit reads the written image data from the memory unit in order to perform a scaling process by the scaling unit .
前記メモリ手段の2次元的な領域に連続的に書き込みを行う第1アクセスステップと、
前記第1アクセスステップで書き込まれた、前記メモリ手段の2次元的な領域を分割した分割領域から読み出しを行う第2アクセスステップと、
前記第1アクセスステップで最後に書き込みが行われた前記メモリ手段のアドレスと、前記第2アクセスステップで次に読み出しが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセスステップでの読み出しを一時停止させ、
前記間隔が一定間隔より大きいときには、前記第2アクセスステップでの読み出しを続けさせるメモリ制御ステップとを有することを特徴とするメモリ制御方法。 A memory control method for controlling access to a memory means for storing data,
A first access step of continuously writing to a two-dimensional area of the memory means;
A second access step of reading from the divided area obtained by dividing the two-dimensional area of the memory means written in the first access step ;
When the interval between the address of the memory means last written in the first access step and the address of the memory means read next in the second access step is smaller than a certain interval, Suspend reading in 2 access steps,
And a memory control step for continuing reading in the second access step when the interval is greater than a certain interval .
前記メモリ手段の2次元的な領域に連続的に読み出しを行う第1アクセスステップと、 A first access step for continuously reading into a two-dimensional area of the memory means;
前記第1アクセスステップで読み出された、前記メモリ手段の2次元的な領域を分割した分割領域に書き込みを行う第2アクセスステップと、 A second access step of writing in a divided area obtained by dividing the two-dimensional area of the memory means read in the first access step;
前記メモリ制御ステップでは、前記第1アクセスステップで最後に読み出しが行われた前記メモリ手段のアドレスと、前記第2アクセスステップで次に書き込みが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセスステップでの書き込みを一時停止させ、 In the memory control step, an interval between the address of the memory unit that was last read in the first access step and the address of the memory unit that is next written in the second access step is a constant interval. When it is smaller, the writing in the second access step is paused,
前記間隔が一定間隔より大きいときには、前記第2アクセスステップでの書き込みを続けさせるメモリ制御ステップとを有することを特徴とするメモリ制御方法。 And a memory control step of continuing writing in the second access step when the interval is greater than a certain interval.
前記メモリ手段の2次元的な領域を分割した第1分割領域に書き込みを行う第1アクセスステップと、 A first access step for writing to a first divided region obtained by dividing a two-dimensional region of the memory means;
前記第1アクセスステップで書き込まれた領域に、前記第1分割領域とは異なる分割をした第2分割領域から読み出しを行う第2アクセスステップと、 A second access step of reading from the second divided area that is divided from the first divided area into the area written in the first access step;
前記第1アクセスステップで次に書き込みが行われる前記メモリ手段のアドレスと、前記第2アクセスステップで次に読み出しが行われる前記メモリ手段のアドレスとの間隔が、一定間隔より小さいときには、前記第2アクセスステップでの読み出しを一時停止させ、 When the interval between the address of the memory means to be written next in the first access step and the address of the memory means to be read next in the second access step is smaller than a predetermined interval, the second Suspend reading at the access step,
前記間隔が一定間隔より大きいときには、前記第2アクセスステップでの読み出しを続けさせるメモリ制御ステップとを有することを特徴とするメモリ制御方法。 And a memory control step for continuing reading in the second access step when the interval is greater than a certain interval.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2006299182A JP4965971B2 (en) | 2006-11-02 | 2006-11-02 | MEMORY CONTROL DEVICE, IMAGING DEVICE, AND MEMORY CONTROL METHOD |
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JP2006299182A JP4965971B2 (en) | 2006-11-02 | 2006-11-02 | MEMORY CONTROL DEVICE, IMAGING DEVICE, AND MEMORY CONTROL METHOD |
Publications (3)
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JP2008117135A JP2008117135A (en) | 2008-05-22 |
JP2008117135A5 true JP2008117135A5 (en) | 2009-12-03 |
JP4965971B2 JP4965971B2 (en) | 2012-07-04 |
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JP5627373B2 (en) | 2010-09-28 | 2014-11-19 | キヤノン株式会社 | Imaging apparatus, control method thereof, and program |
JP6674309B2 (en) | 2016-04-18 | 2020-04-01 | キヤノン株式会社 | Memory control device and memory control method |
JP6762775B2 (en) | 2016-06-20 | 2020-09-30 | キヤノン株式会社 | Image processing equipment, imaging equipment, control methods and programs |
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JP2001166767A (en) * | 1999-12-08 | 2001-06-22 | Hitachi Ltd | Device and method for processing drawing |
JP3955862B2 (en) * | 2004-09-27 | 2007-08-08 | 株式会社ルネサステクノロジ | Data processing apparatus and system using the same |
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