CN102404579A - Method and relevant device for performing color interpolation on reduced sampled Bayer images - Google Patents
Method and relevant device for performing color interpolation on reduced sampled Bayer images Download PDFInfo
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Abstract
The invention discloses a method for performing color interpolation on reduced sampled Bayer images. The method comprises the steps of performing at least one pixel predicting operation according to the multiple reserved reduced sampled adjacent pixels in response to at least one pixel to be interpolated among the reduced sampled Bayer images; generating at least one simulated pixel value of at least one simulated pixel corresponding to at least one adjacent pixel reserved by the reducing and sampling operation; and performing at least one color interpolating operation according to the at least one pixel value of the one adjacent pixel reserved by the reducing and sampling operation and the at least one simulated pixel value so as to generate the pixel value of the pixel to be interpolated. The invention further provides a relevant device. The method and the relevant device in the invention can provide color interpolated images with excellent qualities and prevent generation of faulty image information.
Description
Technical field
The invention discloses instant image processing, refer to that especially a kind of being used for carry out method and the relevant apparatus inserted in the color to a reduced sampling bayer images (Down-sampled Bayer Image).
Background technology
According to correlation technique; One imageing sensor can produce an original image in a normal mode; Wherein each pixel of this original image only has the pixel value corresponding to a color passage (Color Channel), and do not have complete image information as correspond respectively to redness, green, with all pixel values of blue channel.In addition, this imageing sensor also can be given up a part of pixel value to produce a reduced sampling bayer images (Down-sampled Bayer Image) in a reduced sampling (Down-sampling) pattern.Similarly, each pixel of this reduced sampling bayer images only has the pixel value corresponding to a color passage, and do not have complete image information as correspond respectively to redness, green, with all pixel values of blue channel.
To this reduced sampling bayer images; Correlation technique is often utilized originally and is carried out inserting in the color for interior slotting (Color Interpolation) algorithm of traditional color that this original image designed, and does not take whether slotting algorithm is applicable to this reduced sampling bayer images in these traditional colors into account.So, insert algorithm this reduced sampling bayer images carried out inserting in the color image information that the interpolated image that produces has many mistakes through utilizing in these traditional colors.Therefore, the method for a kind of novelty of needs is improved the quality of color interpolated image.
Summary of the invention
Therefore one of the object of the invention is to provide a kind of being used for that a reduced sampling bayer images (Down-sampled Bayer Image) is carried out method and relevant apparatus slotting in the color, to address the above problem.
Provide a kind of being used for that a reduced sampling bayer images is carried out method slotting in the color in the preferred embodiment of the present invention; This method includes: at least one interpolated pixel of treating in this reduced sampling bayer images; Carry out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; And carry out inserting operation in the coloured silk of the same colour at least according at least one pixel value of at least one neighborhood pixels that this reduced sampling kept and this at least one analog pixel value, to produce this at least one pixel value of treating interpolated pixel.
The present invention is when providing said method; Also provide a kind of being used for that a reduced sampling bayer images is carried out device slotting in the color accordingly; This device includes: at least one pixel prediction module; Wherein at least one interpolated pixel of treating in this reduced sampling bayer images; This at least one pixel prediction module is carried out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; And at least one color interpose module, at least one pixel value of at least one neighborhood pixels that is used for keeping according to this reduced sampling and this at least one analog pixel value carry out inserting operation in the coloured silk of the same colour at least, to produce this at least one pixel value of treating interpolated pixel.
One of benefit of the present invention is that method of the present invention and relevant apparatus can provide the interpolated image of the color with XXX.Compared to correlation technique; Method of the present invention and relevant apparatus can carry out at least one pixel prediction operation when this reduced sampling bayer images being carried out in the color inserting, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; Therefore, the present invention can avoid the generation of the image information of mistake.
Description of drawings
Figure 1A is the sketch map according to a kind of electronic installation of the present invention one first embodiment.
Figure 1B illustrates at least a portion pixel of the related original image in an embodiment of the image-signal processor shown in Figure 1A.
Fig. 1 C illustrates the implementation detail of the image-signal processor shown in Figure 1A in an embodiment.
Fig. 2 is the flow chart of the method that is used for according to one embodiment of the invention a kind of a reduced sampling bayer images (Down-sampled Bayer Image) is carried out inserting in the color.
Fig. 3 A to Fig. 3 F is the sketch map of the pixel that related separately under the different situations of method in an embodiment shown in Figure 2.
Wherein, description of reference numerals is following:
Embodiment
Please refer to Figure 1A and Figure 1B.Figure 1A is the sketch map according to a kind of electronic installation 1000 of the present invention one first embodiment; Wherein electronic installation 1000 comprise a camera lens 50L, an imageing sensor 50S, an image-signal processor 100, with a display module 180, and display module 180 comprise a driver 182, with a display floater 184.But the image that imageing sensor 50S sensing camera lens 50L is received, and optionally in a normal mode, produce original image I
B, or in a reduced sampling (Down-sampling) pattern, produce a reduced sampling bayer images (Down-sampled Bayer Image) I
DBEspecially, in this reduced sampling pattern, imageing sensor 50S is in obtaining original image I
BImage document the time, carry out reduced sampling to give up original image I
BIn one part of pixel such as Figure 1B in the pixel value of the pixel that illustrates with shade, and the pixel value of exporting the non-pixel that illustrates with shade is as reduced sampling bayer images I
DBImage document.At this, no matter be original image I
BOr reduced sampling bayer images I
DB, each pixel only has the pixel value corresponding to a color passage (Color Channel), and do not have complete image information as correspond respectively to redness, green, with all pixel values of blue channel.For example: the pixel that is indicated with label " R ", " G ", with " B " among Figure 1B only have respectively corresponding to red, green, with the pixel value of blue channel.
Because original image I
BWith reduced sampling bayer images I
DBEach pixel all do not have complete image information, so need a kind of being used in the electronic installation 1000 to original image I
BOr reduced sampling bayer images I
DBCarry out device such as image-signal processor 100 slotting in the color, could produce complete image information and be used for carrying out instant playback for display module 180.For example: image-signal processor 100 can be to reduced sampling bayer images I
DBCarry out inserting to produce corresponding color interpolated image I in the color
C(its each pixel comprises complete image information, as correspond respectively to redness, green, with all pixel values of blue channel), and driver 182 can receive color interpolated image I
CAnd drive display floater 184 according to this with display color interpolated image I
C, wherein image-signal processor 100 also can carry out some image processing operations and change color interpolated image I
CIn image information.This is not a limitation of the present invention just for illustrative purposes.According to a variant of present embodiment, image-signal processor 100 also can be to original image I
BCarry out inserting to produce corresponding color interpolated image I in the color
C(its each pixel also comprise complete image information as correspond respectively to redness, green, with all pixel values of blue channel).
Please refer to Fig. 1 C.Fig. 1 C illustrates the implementation detail of image-signal processor 100 in an embodiment shown in Figure 1A.Image-signal processor 100 comprises at least one pixel prediction module such as pixel prediction module 112,114, with 116, and comprise at least one color interpose module such as color interpose module 122,124 in addition, with 126.According to present embodiment, to reduced sampling bayer images I
DBIn at least one interpolated pixel of treating; Above-mentioned at least one pixel prediction module is carried out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that this reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up.In addition, above-mentioned at least one color interpose module carries out inserting operation in the coloured silk of the same colour at least according at least one pixel value and this at least one analog pixel value of at least one neighborhood pixels that this reduced sampling kept, to produce this at least one pixel value of treating interpolated pixel.
In the practical operation; Image-signal processor 100 can be embodied as a controller of executive program code; And this controller comprises hardware circuit; Be used for carrying out this program code, wherein above-mentioned at least one pixel prediction module and above-mentioned at least one color interpose module are the program module in this program code.For example: this program code can be firmware code (Firmware Code); Again for example: this program code can be read-only memory sign indicating number (ROM Code).This is not a limitation of the present invention just for illustrative purposes.According to a variant of present embodiment, at least a portion in the image-signal processor 100 (for example: the part in the module shown in Figure 1A; Again for example: whole in the module shown in Figure 1A) can realize through utilizing logical circuit.The correlative detail that image-signal processor 100 carries out inserting in the above-mentioned color can further specify with reference to figure 2.
Fig. 2 is for to be used for to a reduced sampling bayer images such as above-mentioned reduced sampling bayer images I according to a kind of of one embodiment of the invention
DBCarry out the flow chart of method 910 slotting in the color.This method can be applicable to the image-signal processor 100 shown in Figure 1A, especially above-mentioned controller.In addition, this method can be implemented through utilizing the image-signal processor 100 shown in Figure 1A, especially through utilizing above-mentioned controller to implement.This method is explained as follows:
Step 912: to reduced sampling bayer images I
DBIn at least one interpolated pixel of treating; Above-mentioned at least one pixel prediction module (for example: pixel prediction module 112,114 and/or 116) carry out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that this reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up.
Step 914: above-mentioned at least one color interpose module (for example: color interpose module 122,124 and/or 126) carry out inserting operation in the coloured silk of the same colour at least according at least one pixel value and this at least one analog pixel value of at least one neighborhood pixels that this reduced sampling kept, to produce above-mentioned at least one pixel value of treating interpolated pixel.Especially, insert in above-mentioned at least one color operation comprise correspond respectively to redness, green, with the color of blue channel in insert operation, be used for producing correspond respectively to redness, green, with the pixel value of blue channel.
According to present embodiment, at least one neighborhood pixels that this reduced sampling kept and above-mentioned at least one corresponding analog pixel are to be used for simulating reduced sampling bayer images I
DBOriginal image I before this reduced sampling
BAnalog image I
SIn at least a portion.No matter note that analog image I
SIn this part whether be equal to fully or similar in appearance to original image I
BIn corresponding part, the pixel of utilizing the effect of inserting in the color that method 910 realized always to be superior to this reduced sampling not being given up in the correlation technique is carried out the effect of the framework of any simulation.
Fig. 3 A to Fig. 3 F is the sketch map of the pixel that related separately under the different situations of method 910 in an embodiment shown in Figure 2.In the arbitrary situation shown in Fig. 3 A to Fig. 3 B, be used for producing in the color corresponding to the pixel value of green channel and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 122 is carried out) in analog image I
SIn be arranged in a rhombus; Its specification specified is following.
Shown in Fig. 3 A, be used for producing in the color corresponding to the pixel value of green channel and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 122 is carried out) in analog image I
SIn can be arranged in rhombus 310R.Especially, the pairing pixel of rhombus 310R comprises 13 pixels, and wherein the centre pixel in the rhombus 310R is represented the interpolated pixel of treating in the case, and has had the pixel value of red channel, so be denoted as " R ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under, in analog image I
SIn, the pixel on each diagonal of rhombus 310R is arranged (promptly the color of " R-G-R-G-R " is arranged in Fig. 3 A) corresponding to red, green, red, green, red color.Because pixel prediction module 112 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the rhombus 310R (pixel that in Fig. 3 A, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 122 is when calculating this and treat interpolated pixel in the pixel value of green channel; Among the rhombus 310R capable of using corresponding to the light and shade variation tendency of the formed image of pixel of different color passage (for example: red channel, blue channel), adjust this treat interpolated pixel in the pixel value of green channel in the hope of approaching true picture.
Similarly, shown in Fig. 3 B, be used for producing in the color corresponding to the pixel value of green channel and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 122 is carried out) in analog image I
SIn can be arranged in rhombus 310B.Especially, the pairing pixel of rhombus 310B comprises 13 pixels, and wherein the centre pixel in the rhombus 310B is represented the interpolated pixel of treating in the case, and has had the pixel value of blue channel, so be denoted as " B ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under, in analog image I
SIn, the pixel on each diagonal of rhombus 310B is arranged (promptly the color of " B-G-B-G-B " is arranged in Fig. 3 B) corresponding to blue, green, blue, green, blue color.Because pixel prediction module 112 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the rhombus 310B (pixel that in Fig. 3 B, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 122 is when calculating this and treat interpolated pixel in the pixel value of green channel; Among the rhombus 310B capable of using corresponding to the light and shade variation tendency of the formed image of pixel of different color passage (for example: red channel, blue channel), adjust this treat interpolated pixel in the pixel value of green channel in the hope of approaching true picture.
In addition; In the arbitrary situation shown in Fig. 3 C to Fig. 3 F, be used for producing and insert the related pixel of operation (for example: insert in color interpose module 124 and any one a part of color that carries out of 126 and operate) in the color corresponding to the pixel value of a non-green channel in analog image I
SIn be arranged in a square, wherein this non-green channel is represented this red channel or this blue channel; Its specification specified is following.
Shown in Fig. 3 C, be used for producing in the color corresponding to the pixel value of blue channel and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 124 is carried out) in analog image I
SIn can be arranged in square 320R.Especially, the pairing pixel of square 320R comprises 9 pixels, and the centre pixel in the wherein square 320R is represented the interpolated pixel of treating in the case, and has had the pixel value of red channel, so be denoted as " R ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under, in analog image I
SIn, the pixel on the limit of square 320R is arranged (promptly the color of " B-G-B " is arranged in Fig. 3 C) corresponding to blue, green, blue color.Because pixel prediction module 114 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the square 320R (pixel that in Fig. 3 C, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 124 is when calculating this and treat interpolated pixel in the pixel value of blue channel; Among the square 320R capable of using corresponding to the different color passage (for example: the light and shade variation tendency of the formed image of pixel green channel), adjust this treat interpolated pixel in the pixel value of blue channel in the hope of approaching true picture.
Similarly, shown in Fig. 3 D, be used for producing in the color corresponding to the pixel value of red channel and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 124 is carried out) in analog image I
SIn can be arranged in square 320B.Especially, the pairing pixel of square 320B comprises 9 pixels, and the centre pixel in the wherein square 320B is represented the interpolated pixel of treating in the case, and has had the pixel value of blue channel, so be denoted as " B ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under, in analog image I
SIn, the pixel on each diagonal of square 320B is arranged (promptly the color of " R-G-R " is arranged in Fig. 3 D) corresponding to red, green, red color.Because pixel prediction module 114 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the square 320B (pixel that in Fig. 3 D, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 124 is when calculating this and treat interpolated pixel in the pixel value of red channel; Among the square 320B capable of using corresponding to the different color passage (for example: the light and shade variation tendency of the formed image of pixel green channel), adjust this treat interpolated pixel in the pixel value of red channel in the hope of approaching true picture.
As shown in Figure 9, be used for producing in the color corresponding to the pixel value of this non-green channel (for example: red channel or blue channel) and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 126 is carried out) in analog image I
SIn can be arranged in square 330Gr.Especially, the pairing pixel of square 330Gr comprises 9 pixels, and the centre pixel in the wherein square 330Gr is represented the interpolated pixel of treating in the case, and has had the pixel value of green channel, so be denoted as " G ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of green channel under, in analog image I
SIn; Pixel on one side of square 330Gr is arranged (promptly the color of " G-B-G " is arranged in Fig. 3 E) corresponding to green, blue, green color, and the pixel on the another side of square 330Gr is arranged (promptly the color of " G-R-G " is arranged in Fig. 3 E) corresponding to green, red, green color.Because pixel prediction module 116 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the square 330Gr (pixel that in Fig. 3 E, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 126 is when calculating this and treat interpolated pixel in the pixel value of this non-green channel; Among the square 330Gr capable of using corresponding to the light and shade variation tendency of the formed image of pixel of different color passage (for example: green channel and another non-green channel), adjust this treat interpolated pixel in the pixel value of this non-green channel in the hope of approaching true picture.
Similarly; Shown in Fig. 3 F, be used for producing in the color corresponding to the pixel value of this non-green channel (for example: red channel or blue channel) and insert the related pixel of operation (for example: insert operation in a part of color that color interpose module 126 is carried out) in analog image I
SIn can be arranged in square 330Gb.Especially, the pairing pixel of square 330Gb comprises 9 pixels, and the centre pixel in the wherein square 330Gb is represented the interpolated pixel of treating in the case, and has had the pixel value of green channel, so be denoted as " G ".So, this treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of green channel under, in analog image I
SIn; Pixel on one side of square 330Gb is arranged (promptly the color of " G-B-G " is arranged in Fig. 3 F) corresponding to green, blue, green color, and the pixel on the another side of square 330Gb is arranged (promptly the color of " G-R-G " is arranged in Figure 10) corresponding to green, red, green color.Because pixel prediction module 116 can be calculated the analog pixel value of the pixel of being given up by this reduced sampling among the square 330Gb (pixel that in Fig. 3 F, promptly illustrates with lighter shade) one by one according to the pixel value of the neighborhood pixels that this reduced sampling kept; So color interpose module 126 is when calculating this and treat interpolated pixel in the pixel value of this non-green channel; Among the square 330Gb capable of using corresponding to the light and shade variation tendency of the formed image of pixel of different color passage (for example: green channel and another non-green channel), adjust this treat interpolated pixel in the pixel value of this non-green channel in the hope of approaching true picture.
One of benefit of the present invention is that method of the present invention and relevant apparatus can provide the interpolated image of the color with XXX.Compared to correlation technique; Method of the present invention and relevant apparatus can carry out at least one pixel prediction operation when this reduced sampling bayer images being carried out in the color inserting, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; Therefore, the present invention can avoid the generation of the image information of mistake.
The above is merely the preferred embodiments of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (20)
1. one kind is used for a reduced sampling bayer images is carried out method slotting in the color, and the characteristic of this method is to include:
To at least one interpolated pixel of treating in this reduced sampling bayer images; Carry out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; And
At least one pixel value and this at least one analog pixel value according at least one neighborhood pixels that this reduced sampling kept carry out inserting operation in the coloured silk of the same colour at least, to produce this at least one pixel value of treating interpolated pixel.
2. the method for claim 1 is characterized in that, insert in this at least one color operation comprise correspond respectively to redness, green, with the color of blue channel in insert operation, be used for producing correspond respectively to redness, green, with the pixel value of blue channel.
3. method as claimed in claim 2; It is characterized in that at least one neighborhood pixels that this reduced sampling kept and this at least one corresponding analog pixel are used for simulating this reduced sampling bayer images at least a portion in the analog image of this reduced sampling original image before.
4. method as claimed in claim 3 is characterized in that, is used for producing inserting the related pixel of operation in the color corresponding to the pixel value of green channel and in this analog image, being arranged in a rhombus.
5. method as claimed in claim 4; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under; In this analog image, the pixel on each diagonal of this rhombus is arranged corresponding to red, green, red, green, red color.
6. method as claimed in claim 4; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under; In this analog image, the pixel on each diagonal of this rhombus is arranged corresponding to blue, green, blue, green, blue color.
7. method as claimed in claim 3 is characterized in that, is used for producing inserting the related pixel of operation in the color corresponding to the pixel value of a non-green channel and in this analog image, being arranged in a square; And this non-green channel is represented this red channel or this blue channel.
8. method as claimed in claim 7; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under, in this analog image, the pixel on this foursquare limit is corresponding to blue, green, blue color arrangement.
9. method as claimed in claim 7; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under, in this analog image, the pixel on this foursquare limit is arranged corresponding to red, green, red color.
10. method as claimed in claim 7; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of green channel under; In this analog image, the pixel on this foursquare one side is arranged corresponding to green, blue, green color, and the pixel on this foursquare another side is arranged corresponding to green, red, green color.
11. one kind is used for a reduced sampling bayer images is carried out device slotting in the color, it is characterized in that this device includes:
At least one pixel prediction module; Wherein at least one interpolated pixel of treating in this reduced sampling bayer images; This at least one pixel prediction module is carried out at least one pixel prediction operation according to the pixel value of a plurality of neighborhood pixels that reduced sampling kept, with at least one analog pixel value of at least one corresponding analog pixel of producing at least one neighborhood pixels that this reduced sampling given up; And
At least one color interpose module, at least one pixel value of at least one neighborhood pixels that is used for keeping according to this reduced sampling and this at least one analog pixel value carry out inserting operation in the coloured silk of the same colour at least, to produce this at least one pixel value of treating interpolated pixel.
12. device as claimed in claim 11 is characterized in that, insert in this at least one color operation comprise correspond respectively to redness, green, with the color of blue channel in insert operation, be used for producing correspond respectively to redness, green, with the pixel value of blue channel.
13. device as claimed in claim 12; It is characterized in that at least one neighborhood pixels that this reduced sampling kept and this at least one corresponding analog pixel are used for simulating this reduced sampling bayer images at least a portion in the analog image of this reduced sampling original image before.
14. device as claimed in claim 13 is characterized in that, is used for producing inserting the related pixel of operation in the color corresponding to the pixel value of green channel and in this analog image, being arranged in a rhombus.
15. device as claimed in claim 14; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under; In this analog image, the pixel on each diagonal of this rhombus is arranged corresponding to red, green, red, green, red color.
16. device as claimed in claim 14; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under; In this analog image, the pixel on each diagonal of this rhombus is arranged corresponding to blue, green, blue, green, blue color.
17. device as claimed in claim 13 is characterized in that, is used for producing inserting the related pixel of operation in the color corresponding to the pixel value of a non-green channel and in this analog image, being arranged in a square; And this non-green channel is represented this red channel or this blue channel.
18. device as claimed in claim 17; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of red channel under, in this analog image, the pixel on this foursquare limit is corresponding to blue, green, blue color arrangement.
19. device as claimed in claim 17; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of blue channel under, in this analog image, the pixel on this foursquare limit is arranged corresponding to red, green, red color.
20. device as claimed in claim 17; It is characterized in that; This treat interpolated pixel by pixel value that this reduced sampling kept for situation corresponding to the pixel value of green channel under; In this analog image, the pixel on this foursquare one side is arranged corresponding to green, blue, green color, and the pixel on this foursquare another side is arranged corresponding to green, red, green color.
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| US12/881,149 | 2010-09-13 | ||
| US12/881,149 US20110255780A1 (en) | 2010-04-16 | 2010-09-13 | Method for performing color interpolation on a down-sampled bayer image, and associated device |
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| CN102404579A true CN102404579A (en) | 2012-04-04 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300504A (en) * | 1999-02-19 | 2001-06-20 | 索尼公司 | Image siganl processor, image signal processing method, learning device, learning method, and recorded medium |
| US20090046170A1 (en) * | 2006-04-19 | 2009-02-19 | Linzer Elliot N | Digital video camera non-integer-ratio bayer domain scaler |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300504A (en) * | 1999-02-19 | 2001-06-20 | 索尼公司 | Image siganl processor, image signal processing method, learning device, learning method, and recorded medium |
| US20090046170A1 (en) * | 2006-04-19 | 2009-02-19 | Linzer Elliot N | Digital video camera non-integer-ratio bayer domain scaler |
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Application publication date: 20120404 |