Image processing apparatus, image processing method, and program
The image processing apparatus includes a white balance adjustment circuit configured to adjust a color temperature to RAW data of an image obtained by capturing, a generator circuit configured to generate data of planes for each component of the image from data of which color temperature was adjusted, and a RAW encoding circuit configured to conduct compression encoding of the data of the planes.
1. An image processing apparatus comprising:
a demosaicing circuit configured to conduct a demosaicing process to generate data of an image in which each pixel contains each of components of a first color, a second color, and a third color from RAW data of a captured image including the components of the first color, the second color, and the third color arranged in a predetermined matrix;
an adjusting circuit configured to adjust a white balance to data subjected to the demosaicing process;
a mosaicing circuit configured to conduct a mosaicing process to regenerate data of the image of the predetermined matrix from the data of which the white balance was adjusted;
a generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color from data subjected to the mosaicing process; and
an encoding circuit configured to conduct compression encoding, after the white balance was adjusted and the mosaicing process was conducted, of the data of the planes for each component of the first color, the second color, and the third color.
2. The image processing apparatus according to claim 1 , wherein
the first color is red, the second color is blue, and the third color is green.
3. The image processing apparatus according to claim 1 , wherein:
the generator circuit includes
a first generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color of the image, and
a second generator circuit configured to generate data of a plane corresponding to a component of luminance of the image and data of a plane corresponding to a component of a color difference; and
the encoding circuit conducts the compression encoding of the data of the plane generated by either one of the first generator circuit or the second generator circuit.
4. The image processing apparatus according to claim 3 , further comprising
a generation control circuit configured to control which one of generation of data of the plane by the first generator circuit and generation of data of the plane by the second generator circuit is to be conducted by the generator circuit depending on a predetermined setting condition.
5. The image processing apparatus according to claim 4 , wherein
the generation control circuit controls the generator circuit to generate data of the plane by the first generator circuit when a compression ratio of compression encoding by the encoding circuit is set to be equal to or lower than a predetermined threshold as the predetermined setting condition and, generate data of the plane by the second generator circuit when the compression ratio is set to be higher than the predetermined threshold as the predetermined setting condition.
6. The image processing apparatus according to claim 4 , wherein
the generation control circuit controls the generator circuit to generate data of the plane by the first generator circuit when material property priority of the image is set as the predetermined setting condition, and generate data of the plane by the second generator circuit when image-quality priority of the image is set as the predetermined setting condition.
7. The image processing apparatus according to claim 4 , wherein
the generation control circuit controls the generator circuit to generate data of the plane by the first generator circuit when the image is a still image as the predetermined setting condition, and generate data of the plane by the second generator circuit when the image is a video image as the predetermined setting condition.
8. The image processing apparatus according to claim 3 , wherein
the data of the plane corresponding to the component of the luminance and the data of the plane corresponding to the component of the color difference are generated by conversion from the data of the planes for each component of the first color, the second color, and the third color.
9. The image processing apparatus according to claim 1 , further comprising
an adjustment control circuit configured to control whether to conduct adjustment of the white balance by the adjusting circuit depending on a predetermined setting condition.
10. The image processing apparatus according to claim 9 , wherein
the adjustment control circuit controls the adjusting circuit to adjust the white balance when the compression ratio of the compression encoding by the encoding circuit is set to be higher than a predetermined threshold as the predetermined setting condition.
11. The image processing apparatus according to claim 9 , wherein
the adjustment control circuit controls the adjusting circuit to adjust the white balance when image-quality priority of the image is set as the predetermined setting condition.
12. The image processing apparatus according to claim 9 , wherein
the adjustment control circuit controls the adjusting circuit to adjust the white balance when the image is a video image as the predetermined setting condition.
13. An image processing system comprising:
an image pickup apparatus; and
a recorder apparatus attachable to and detachable from the image pickup apparatus, wherein
the image pickup device includes a demosaicing circuit configured to conduct a demosaicing process to generate data of an image in which each pixel contains each of components of a first color, a second color, and a third color from RAW data of a captured image including the components of the first color, the second color, and the third color arranged in a predetermined matrix, an adjusting circuit configured to adjust a white balance to data subjected to the demosaicing process, a mosaicing circuit configured to conduct a mosaicing process to regenerate data of the image of the predetermined matrix from the data of which the white balance was adjusted, and a generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color from data subjected to the mosaicing process, and
the recorder apparatus includes an encoding circuit configured to conduct compression encoding, after the white balance was adjusted, of the data of the planes for each component of the first color, the second color, and the third color, and memory configured to record compression-encoded data.
14. The image processing system according to claim 13 , wherein
the generator circuit includes
a first generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color of the image, and
a second generator circuit configured to generate data of a plane corresponding to a component of luminance of the image and data of a plane corresponding to a component of a color difference; and
the encoding circuit conducts the compression encoding of the data of the plane generated by either one of the first generator circuit or the second generator circuit.
15. The image processing system according to claim 14 , wherein
the image pickup device includes a generation control circuit configured to control the generator circuit to generate data of the plane by the first generator circuit when a compression ratio of compression encoding by the encoding circuit is set to be equal to or lower than a predetermined threshold, and generate data of the plane by the second generator circuit when the compression ratio is set to be higher than the predetermined threshold.
16. The image processing system according to claim 13 , wherein the image pickup device includes an adjustment control circuit configured to control the adjusting circuit to adjust the white balance when the compression ratio of the compression encoding by the encoding circuit is set to be higher than a predetermined threshold.
17. An image processing system comprising:
an image pickup apparatus; and
a recorder apparatus attachable to and detachable from the image pickup apparatus, wherein
the image pickup device includes a demosaicing circuit configured to conduct a demosaicing process to generate data of an image in which each pixel contains each of components of a first color, a second color, and a third color from RAW data of a captured image including the components of the first color, the second color, and the third color arranged in a predetermined matrix, an adjusting circuit configured to adjust a white balance to data subjected to the demosaicing process, and a mosaicing circuit configured to conduct a mosaicing process to regenerate data of the image of the predetermined matrix from the data of which the white balance was adjusted by the adjusting circuit, and
the recorder apparatus includes a generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color from data subjected to the mosaicing process, an encoding circuit configured to conduct compression encoding, after the white balance was adjusted and the mosaicing process was conducted, of the data of the planes for each component of the first color, the second color, and the third color, and memory configured to record compression coded data.
18. The image processing system according to claim 17 , wherein
the generator circuit includes
a first generator circuit configured to generate data of planes for each component of the first color, the second color, and the third color of the image, and
a second generator circuit configured to generate data of a plane corresponding to a component of luminance of the image and data of a plane corresponding to a component of a color difference; and
the encoding circuit conducts the compression encoding of the data of the plane generated by either one of the first generator circuit or the second generator circuit.
19. The image processing system according to claim 18 , wherein
the recorder apparatus includes generate data of the plane by the first generator circuit when a compression ratio of compression encoding by the encoding circuit is set to be equal to or lower than a predetermined threshold, and generate data of the plane by the second generator circuit when the compression ratio is set to be higher than the predetermined threshold.
20. The image processing system according to claim 17 , wherein
the image pickup device includes an adjustment control circuit configured to control the adjusting circuit to adjust the white balance when the compression ratio of the compression encoding by the encoding circuit is set to be higher than a predetermined threshold.
21. An image processing method comprising:
conducting a demosaicing process to generate data of an image in which each pixel contains each of components of a first color, a second color, and a third color from RAW data of a captured image including the components of the first color, the second color, and the third color arranged in a predetermined matrix;
adjusting a white balance to data subjected to the demosaicing process;
conducting a mosaicing process to regenerate data of the image of the predetermined matrix from the data of which the white balance was adjusted;
generating data of planes for each component of the first color, the second color, and the third color from data subjected to the mosaicing process; and
compression encoding, after the white balance was adjusted and the mosaicing process was conducted, the data of the planes for each component of the first color, the second color, and the third color.
22. A non-transitory computer-readable storage medium configured to store a program causing a computer to execute an image processing method, the image processing method comprising:
conducting a demosaicing process to generate data of an image in which each pixel contains each of components of a first color, a second color, and a third color from RAW data of a captured image including the components of the first color, the second color, and the third color arranged in a predetermined matrix;
adjusting a white balance to data subjected to the demosaicing process;
generating data of planes for each component of the first color, the second color, and the third color from data subjected to the mosaicing process; and
compression encoding, after the white balance was adjusted and the mosaicing process was conducted, the data of the planes for each component of the first color, the second color, and the third color.