JP2007094555A5 - - Google Patents
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- JP2007094555A5 JP2007094555A5 JP2005280372A JP2005280372A JP2007094555A5 JP 2007094555 A5 JP2007094555 A5 JP 2007094555A5 JP 2005280372 A JP2005280372 A JP 2005280372A JP 2005280372 A JP2005280372 A JP 2005280372A JP 2007094555 A5 JP2007094555 A5 JP 2007094555A5
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- frequency band
- processing apparatus
- image processing
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- 238000000354 decomposition reaction Methods 0.000 claims 9
- 238000000034 method Methods 0.000 claims 7
- 230000000875 corresponding Effects 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
Claims (16)
第１フレームの画像を複数の周波数帯域に分解する分解手段と、
前記第１フレームの画像について前記分解手段が分解した複数の周波数帯域のうち予め定められた周波数帯域に属する係数を、前記第１フレームの画像よりも前のフレームの画像である第２フレームの画像について前記分解手段が分解した複数の周波数帯域のうち当該予め定められた周波数帯域に対応する周波数帯域に属する係数を用いて変更する変更手段と、
前記変更手段により変更した周波数帯域を含む全ての周波数帯域の係数に基づいて前記分解手段が行った処理と逆の処理を行うことにより、画像を再構成する再構成手段と、
前記再構成手段により再構成された画像を、前記第１フレームの画像として出力する出力手段と
を備えることを特徴とする画像処理装置。 An input means for inputting an image of each frame constituting the moving image;
Decomposition means for decomposing the image of the first frame into a plurality of frequency bands;
Wherein the coefficients belonging to a predetermined frequency band among the plurality of frequency bands in which the decomposing means is decomposed for the first frame image, the second frame of the image than the image of the first frame is an image of the previous frame Changing means for changing using a coefficient belonging to a frequency band corresponding to the predetermined frequency band among the plurality of frequency bands decomposed by the decomposition means,
By performing the processing and reverse processing of said decomposing means went based on coefficients of all the frequency band including a frequency band changed by the changing means, and reconstructing means for reconstructing an image,
An image processing apparatus comprising: output means for outputting the image reconstructed by the reconstructing means as the image of the first frame.
前記第１フレームの画像における予め定められた周波数帯域の係数を、前記第２フレームの画像において当該予め定められた周波数帯域に対応する周波数帯域の係数を用いて変更する処理を、前記第１フレームの画像におけるそれぞれの周波数帯域について行うことを特徴とする請求項１に記載の画像処理装置。 The changing means is
The process of changing with the coefficients of the coefficients of a predetermined frequency band in the first frame image, the second frame frequency band corresponding to the predetermined frequency band in the image of the first frame The image processing apparatus according to claim 1, wherein the image processing apparatus performs the processing for each frequency band in the image.
前記入力手段に入力される画像に係る情報に基づいて、
前記第２フレームの画像について前記分解手段が分解したそれぞれの周波数帯域に属する係数として、前記第１フレームの画像における前記予め定められた周波数帯域の係数を変更する為に用いる際には既に前記変更手段でもって変更されたものを用いるか、当該変更のないものを用いるのかを切り替える手段
を備えることを特徴とする請求項１に記載の画像処理装置。 Furthermore,
Based on information relating to the image input to the input means,
As a coefficient belonging to image each frequency band in which the decomposing means is decomposed for the second frame, already the changes when used to modify the coefficients of the predetermined frequency band in the first frame of the image The image processing apparatus according to claim 1, further comprising: a unit that switches between using a unit that has been changed by the unit and a unit that has not been changed.
前記第１フレームの画像におけるノイズの量を判断する判断手段と、
前記判断手段による判断に応じて、前記変更手段による処理に係るパラメータを制御する手段と
を備えることを特徴とする請求項１２に記載の画像処理装置。 Furthermore,
Determining means for determining an amount of noise in the image of the first frame;
The image processing apparatus according to claim 12, further comprising: a unit that controls a parameter related to processing by the changing unit according to a determination by the determining unit.
第１フレームの画像を複数の周波数帯域に分解する分解工程と、
前記第１フレームの画像について前記分解工程で分解した複数の周波数帯域のうち予め定められた周波数帯域に属する係数を、前記第１フレームの画像よりも前のフレームの画像である第２フレームの画像について前記分解工程で分解した複数の周波数帯域のうち当該予め定められた周波数帯域に対応する周波数帯域に属する係数を用いて変更する変更工程と、
前記変更工程で変更した周波数帯域を含む全ての周波数帯域の係数に基づいて前記分解工程で行った処理と逆の処理を行うことにより、画像を再構成する再構成工程と、
前記再構成工程で再構成された画像を、前記第１フレームの画像として出力する出力工程と
を備えることを特徴とする画像処理方法。 An input step of inputting an image of each frame constituting the moving image;
A decomposing step of decomposing the image of the first frame into a plurality of frequency bands;
Wherein the coefficients belonging to a predetermined frequency band among the plurality of frequency bands decomposed by the decomposition step for a first frame image, the second frame of the image than the image of the first frame is an image of the previous frame A changing step of changing using a coefficient belonging to a frequency band corresponding to the predetermined frequency band among the plurality of frequency bands decomposed in the decomposition step;
A reconstruction process for reconstructing an image by performing a process opposite to the process performed in the decomposition process based on the coefficients of all frequency bands including the frequency band changed in the change process;
An image processing method comprising: an output step of outputting the image reconstructed in the reconstruction step as the image of the first frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005280372A JP4671417B2 (en) | 2005-09-27 | 2005-09-27 | Image processing apparatus and image processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005280372A JP4671417B2 (en) | 2005-09-27 | 2005-09-27 | Image processing apparatus and image processing method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007094555A JP2007094555A (en) | 2007-04-12 |
| JP2007094555A5 true JP2007094555A5 (en) | 2008-10-16 |
| JP4671417B2 JP4671417B2 (en) | 2011-04-20 |
Family
ID=37980235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005280372A Expired - Fee Related JP4671417B2 (en) | 2005-09-27 | 2005-09-27 | Image processing apparatus and image processing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4671417B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5121312B2 (en) | 2007-06-05 | 2013-01-16 | キヤノン株式会社 | Image processing device |
| JP5132198B2 (en) * | 2007-06-07 | 2013-01-30 | キヤノン株式会社 | Image processing apparatus, image processing method, and program |
| JP5864958B2 (en) * | 2011-08-31 | 2016-02-17 | キヤノン株式会社 | Image processing apparatus, image processing method, program, and computer recording medium |
| FR3007871B1 (en) * | 2013-06-28 | 2015-07-10 | Thales Sa | METHOD OF REDUCING NOISE IN FLUOROSCOPIC IMAGE SEQUENCES |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2885066B2 (en) * | 1994-05-27 | 1999-04-19 | 株式会社島津製作所 | Image processing device |
| JPH09161061A (en) * | 1995-12-12 | 1997-06-20 | Fuji Photo Film Co Ltd | Image processing method and processor therefor |
| JP4046969B2 (en) * | 2000-11-09 | 2008-02-13 | キヤノン株式会社 | Image processing apparatus, method thereof, program, and storage medium |
-
2005
- 2005-09-27 JP JP2005280372A patent/JP4671417B2/en not_active Expired - Fee Related
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