JP2007020071A5 - - Google Patents
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- JP2007020071A5 JP2007020071A5 JP2005201663A JP2005201663A JP2007020071A5 JP 2007020071 A5 JP2007020071 A5 JP 2007020071A5 JP 2005201663 A JP2005201663 A JP 2005201663A JP 2005201663 A JP2005201663 A JP 2005201663A JP 2007020071 A5 JP2007020071 A5 JP 2007020071A5
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- luminance
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- imaging
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- 239000002131 composite material Substances 0.000 claims 11
- 238000003384 imaging method Methods 0.000 claims 10
- 238000007906 compression Methods 0.000 claims 9
- 230000002194 synthesizing Effects 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
Claims (4)
適正な輝度範囲を記憶した記憶手段と、
前記合成画像を圧縮する画像圧縮手段と、
前記画像圧縮手段により前記合成画像が圧縮されるときに、前記合成画像における注目画素の輝度を、前記注目画素の輝度と周辺画素の輝度とに基づく第１の輝度に補正する第１の輝度補正手段と、
前記画像圧縮手段により前記合成画像が圧縮されるときに、前記第１の輝度が前記適正輝度範囲内にある場合に、前記第１の輝度を、当該第１の輝度と適正露出が得られる輝度とに基づく第２の輝度に補正する第２の輝度補正手段と、
を備えることを特徴とする撮像装置。 Image synthesizing means for synthesizing images with different exposures imaged by the imaging means to generate a synthesized image;
Storage means for storing an appropriate luminance range;
Image compression means for compressing the composite image;
A first luminance correction for correcting the luminance of the target pixel in the composite image to a first luminance based on the luminance of the target pixel and the luminance of surrounding pixels when the composite image is compressed by the image compression unit. Means,
When the composite image is compressed by the image compression means, if the first luminance is within the appropriate luminance range, the first luminance is the luminance at which the first luminance and appropriate exposure are obtained. Second luminance correction means for correcting to a second luminance based on
An imaging apparatus comprising:
前記第１の輝度が前記輝度範囲内にある場合に、前記第１の輝度を、当該第１の輝度と適正露出が得られる輝度との重み平均である第２の輝度に補正するWhen the first luminance is within the luminance range, the first luminance is corrected to a second luminance that is a weighted average of the first luminance and a luminance that provides appropriate exposure.
ことを特徴とする請求項１記載の撮像装置。The imaging apparatus according to claim 1.
前記撮像手段により撮像された露出の異なる画像を合成して、合成画像を生成する画像合成ステップと、
前記合成画像を圧縮する画像圧縮ステップと、
前記画像圧縮ステップにおいて前記合成画像が圧縮されるときに、前記合成画像における注目画素の輝度を、前記注目画素の輝度と周辺画素の輝度とに基づく第１の輝度に補正する第１の輝度補正ステップと、
前記画像圧縮ステップにおいて前記合成画像が圧縮されるときに、前記第１の輝度が前記適正輝度範囲内にある場合に、前記第１の輝度を、当該第１の輝度と適正露出が得られる輝度とに基づく第２の輝度に補正する第２の輝度補正ステップと、
を含むことを特徴とする撮像方法。 An imaging method by an imaging device comprising imaging means and storage means storing an appropriate luminance range,
An image synthesis step of synthesizing images with different exposures imaged by the imaging means to generate a synthesized image;
An image compression step of compressing the composite image;
A first luminance correction that corrects the luminance of the pixel of interest in the synthetic image to a first luminance based on the luminance of the pixel of interest and the luminance of surrounding pixels when the synthetic image is compressed in the image compression step; Steps,
When the composite image is compressed in the image compression step, if the first luminance is within the appropriate luminance range, the first luminance is the luminance that provides the first luminance and appropriate exposure. A second luminance correction step for correcting to a second luminance based on
An imaging method comprising :
前記撮像手段により撮像された露出の異なる画像を合成して、合成画像を生成する画像合成手段、
前記合成画像を圧縮する画像圧縮手段、
前記画像圧縮手段により前記合成画像が圧縮されるときに、前記合成画像における注目画素の輝度を、前記注目画素の輝度と周辺画素の輝度とに基づく第１の輝度に補正する第１の輝度補正手段、
前記画像圧縮手段により前記合成画像が圧縮されるときに、前記第１の輝度が前記適正輝度範囲内にある場合に、前記第１の輝度を、当該第１の輝度と適正露出が得られる輝度とに基づく第２の輝度に補正する第２の輝度補正手段、
として機能させるプログラム。 A computer comprising imaging means and storage means storing an appropriate luminance range;
Image combining means for combining the images with different exposures imaged by the imaging means to generate a composite image;
Image compression means for compressing the composite image;
A first luminance correction for correcting the luminance of the target pixel in the composite image to a first luminance based on the luminance of the target pixel and the luminance of surrounding pixels when the composite image is compressed by the image compression unit. means,
When the composite image is compressed by the image compression means, if the first luminance is within the appropriate luminance range, the first luminance is the luminance at which the first luminance and appropriate exposure are obtained. Second brightness correction means for correcting to a second brightness based on
Program to function as .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005201663A JP4544064B2 (en) | 2005-07-11 | 2005-07-11 | Imaging apparatus, imaging method, and program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005201663A JP4544064B2 (en) | 2005-07-11 | 2005-07-11 | Imaging apparatus, imaging method, and program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007020071A JP2007020071A (en) | 2007-01-25 |
| JP2007020071A5 true JP2007020071A5 (en) | 2008-07-24 |
| JP4544064B2 JP4544064B2 (en) | 2010-09-15 |
Family
ID=37756795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005201663A Expired - Fee Related JP4544064B2 (en) | 2005-07-11 | 2005-07-11 | Imaging apparatus, imaging method, and program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4544064B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5133085B2 (en) * | 2007-04-18 | 2013-01-30 | パナソニック株式会社 | Imaging apparatus and imaging method |
| US8144214B2 (en) | 2007-04-18 | 2012-03-27 | Panasonic Corporation | Imaging apparatus, imaging method, integrated circuit, and storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002223355A (en) * | 2001-01-25 | 2002-08-09 | Olympus Optical Co Ltd | Image processor and recording medium with image processing program recorded thereon |
| JP2003230022A (en) * | 2002-02-01 | 2003-08-15 | Sony Corp | Image processing apparatus and method, and recording medium |
| JP2005004510A (en) * | 2003-06-12 | 2005-01-06 | Minolta Co Ltd | Image processing program |
-
2005
- 2005-07-11 JP JP2005201663A patent/JP4544064B2/en not_active Expired - Fee Related
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