Flicker correction method and device, and imaging device

A flicker correction device comprising:

• a flicker correcting means for making flicker correction by adding a flicker correction signal to an input image signal;
• and
• a correction error detecting means for detecting a correction error by predicting, based on an image signal whose flicker has been corrected by the flicker correcting means and an image signal whose flicker is not yet corrected, a correction error by predicting a flicker image resulted from correction-level flicker correction of an image signal of a next frame and making a comparison between the predicted flicker imager and input next-frame image signal,
• the flickering correcting means including a flicker correction signal generating means for generating a flicker correction signal by reading a plurality of flicker data from a flicker data memory holding a plurality of flicker data correspondingly to the correction error detected by the correction error detecting means and combining a plurality of flicker data together at a ratio set correspondingly to a shutter speed and frame rate of the input image signal.

An image pickup device including a flicker correction device to make flicker correction by adding a flicker correction signal to an image signal acquired by an image sensing means, the flicker correction device comprising:

• a flicker correcting means for making flicker correction by adding a flicker correction signal to an input image signal;
• and
• a correction error detecting means for detecting a correction error by predicting, based on an image signal whose flicker has been corrected by the flicker correcting means and an image signal whose flicker is not yet corrected, a correction error by predicting a flicker image resulted from correction-level flicker correction of an image signal of a next frame and making a comparison between the predicted flicker imager and input next-frame image signal,
• the flickering correcting means including a flicker correction signal generating means for generating a flicker correction signal by reading a plurality of flicker data from a flicker data memory holding a plurality of flicker data correspondingly to the correction error detected by the correction error detecting means and combining a plurality of flicker data together at a ratio set correspondingly to a shutter speed and frame rate of the input image signal.

A flicker correction device comprising:

• a flicker correcting unit to make flicker correction by adding a flicker correction signal to an input image signal;
• and
• a correction error detector to detect a correction error by predicting, based on an image signal whose flicker has been corrected by the flicker correcting unit and an image signal whose flicker is not yet corrected, a correction error by predicting a flicker image resulted from correction-level flicker correction of an image signal of a next frame and making a comparison between the predicted flicker imager and input next-frame image signal,
• the flickering correcting unit including a flicker correction signal generator for generating a flicker correction signal by reading a plurality of flicker data from a flicker data memory holding a plurality of flicker data correspondingly to the correction error detected by the correction error detector and combining a plurality of flicker data together at a ratio set correspondingly to a shutter speed and frame rate of the input image signal.

An image pickup device including a flicker correction device to make flicker correction by adding a flicker correction signal to an image signal acquired by an image sensor, the flicker correction device comprising:

• a flicker correction unit to make flicker correction by adding a flicker correction signal to an input image signal;
• and
• a correction error detector to detect a correction error by predicting, based on an image signal whose flicker has been corrected by the flicker correcting unit and an image signal whose flicker is not yet corrected, a correction error by predicting a flicker image resulted from correction-level flicker correction of an image signal of a next frame and making a comparison between the predicted flicker imager and input next-frame image signal,
• the flickering correcting unit including a flicker correction signal generator for generating a flicker correction signal by reading a plurality of flicker data from a flicker data memory holding a plurality of flicker data correspondingly to the correction error detected by the correction error detector and combining a plurality of flicker data together at a ratio set correspondingly to a shutter speed and frame rate of the input image signal.