Imaging apparatus, imaging signal processing circuit, imaging signal processing method, display apparatus, image signal processing circuit, and image signal processing method
View Patent ↗An imaging apparatus includes an imaging device which is able to individually set two or more types of exposure conditions with respect to arbitrary pixel groups inside an imaging area section and which reads out an imaging signal, which is obtained from pixel groups where the exposure conditions are individually set, in units of one imaging frame, and an imaging signal processing section which performs signal separation for each exposure condition and performs association with the exposure conditions with respect to the imaging signal which is output from the imaging device.
1. A display apparatus comprising:
a sub-frame signal generating section which generates a video signal of a plurality of sub-frames which configure a video of one display frame; and
a driving section which performs display with respect to a display panel using sub-frame units based on the video signal of a plurality of sub-frames generated in the sub-frame signal generating section,
wherein the sub-frame signal generating section inputs an imaging signal which is obtained from pixel groups where exposure conditions are individually set, which is signal separated for each exposure condition, and which is associated with the exposure conditions, as an image signal of a processing target in units of one display frame, in an imaging device which is able to individually set two or more types of exposure conditions with respect to arbitrary pixel groups inside an imaging area section, and
generates a video signal of sub-frames by controlling a light emitting time of a light emitting element for each sub-frame according to the associated exposure conditions.
2. The display apparatus according to claim 1 ,
wherein the driving section controls light emitting brightness of the light emitting element per unit of time for each sub-frame according to a video signal of a plurality of sub-frames.
3. The display apparatus according to claim 1 ,
wherein, when the arbitrary pixel groups inside the imaging area section are formed of a pixel group of odd numbered lines and a pixel group of even numbered lines,
the sub-frame signal generating section generates a video signal of a plurality of sub-frames based on an imaging signal obtained from the pixel group of the odd numbered lines and an imaging signal obtained from the pixel group of the even numbered lines, and
the driving section performs two line simultaneous scanning driving with respect to the display panel based on the video signal of a plurality of sub-frames.
4. The display apparatus according to claim 3 ,
wherein the driving section controls the writing start position of the display image using sub-frame units based on reading out information for odd numbered lines and even numbered lines.
5. The display apparatus according to claim 1 ,
wherein the sub-frame signal generating section controls a duty of a light emitting element for each sub-frame according to exposure conditions.
6. The display apparatus according to claim 5 ,
wherein the sub-frame signal generating section performs duty control of the light emitting element using a value obtained by multiplying the reciprocal of a ratio of the exposure time between images for each exposure condition.
7. The display apparatus according to claim 1 ,
wherein the sub-frame signal generating section generates a video signal of sub-frames which are divided into a low brightness gradation information component and a high brightness gradation information component.
8. The display apparatus according to claim 1 ,
wherein the sub-frame signal generating section generates a video signal of sub-frames using a maximum gradation value which is able to be acquired in the imaging device in addition to the exposure conditions.
9. The display apparatus according to claim 8 ,
wherein the sub-frame signal generating section mixes the low brightness gradation information component and the high brightness gradation information component in one sub-frame.
10. The display apparatus according to claim 1 ,
wherein the sub-frame signal generating section generates a video signal of sub-frames based on an imaging signal, which is output from an imaging device by alternately switching settings of exposure conditions with respect to a pixel group of odd numbered lines and settings of exposure conditions with respect to a pixel group of even numbered lines in imaging frame units.
11. An image signal processing circuit comprising:
a sub-frame signal generating section which generates a video signal of a plurality of sub-frames which configure a video of one display frame,
wherein the sub-frame signal generating section
inputs an imaging signal which is obtained from pixel groups where exposure conditions are individually set, which is signal separated for each exposure condition, and which is associated with the exposure conditions, as an image signal of a processing target in units of one display frame, in an imaging device which is able to individually set two or more types of exposure conditions with respect to arbitrary pixel groups inside an imaging area section, and
generates a video signal of sub-frames by controlling a light emitting time of a light emitting element for each sub-frame according to the associated exposure conditions.
12. An image signal processing method for an imaging device which is able to individually set two or more types of exposure conditions with respect to arbitrary pixel groups inside an imaging area section when generating a video signal of a plurality of sub-frames which configure a video of one display frame, the method comprising:
inputting an imaging signal which is obtained from pixel groups where exposure conditions are individually set, which is signal separated for each exposure condition, and which is associated with the exposure conditions, as an image signal of a processing target in units of one display frame; and
generating a video signal of sub-frames by controlling the light emitting time of the light emitting element for each sub-frame according to the associated exposure conditions.