Abstract: An imaging apparatus includes: a processor configured to detect a flicker cycle of a light source; generate a difference image between an image in which a light intensity fringe is not present and an image in which a light intensity fringe is present based on the flicker cycle; divide the difference image into a plurality of regions; identify a first color unevenness occurrence region, a second color unevenness occurrence region, and a color unevenness non-occurrence region; determine a center position of an exposure period in the identified color unevenness non-occurrence region, and controls exposure; and control exposure such that, in a direction perpendicular to an image reading direction of an image sensor, the center position of the exposure period located in the color unevenness non-occurrence region satisfying predetermined conditions.

Abstract: An acquisition method includes: acquiring a first image without a flicker band; acquiring a second image with the flicker band; generating a third image of an extracted flicker band based; determining a division method of dividing the third image; dividing the third image into a plurality of areas based on the division method; calculating brightness of each area of the third image; acquiring at least one of a brightest value of the brightness and a darkest value of the brightness; acquiring peak timing of the flicker; calculating the number of frames captured by an image sensor to detect the peak timing; causing the image sensor to continuously capture images to generate a plurality of pieces of image data; acquiring the first image from the plurality of pieces of image data; and acquiring the second image from the plurality of pieces of image data.

Abstract: An acquisition method includes: acquiring a first image without a flicker band; acquiring a second image with the flicker band; generating a third image of an extracted flicker band based; determining a division method of dividing the third image; dividing the third image into a plurality of areas based on the division method; calculating brightness of each area of the third image; acquiring at least one of a brightest value of the brightness and a darkest value of the brightness; acquiring peak timing of the flicker; calculating the number of frames captured by an image sensor to detect the peak timing; causing the image sensor to continuously capture images to generate a plurality of pieces of image data; acquiring the first image from the plurality of pieces of image data; and acquiring the second image from the plurality of pieces of image data.

Abstract: An imaging device, comprising an image sensor, an imaging control circuit that controls an integration time of the image sensor, and a controller comprising a flicker component detection section that detects flicker components, and a flicker determination section that determines existence of flicker, wherein the flicker component detection section is provided with a plurality of detection regions in an imaging region of the image sensor along a scanning direction for an electronic shutter function, and detects flicker components from differences in brightness relating to the same detection region based on a plurality of imaging outputs that have been acquired by performing integrating at the same integration time with different frames, and the flicker determination section changes a determination value for determining the existence of flicker in accordance with an imaging mode, and performs determination by comparing the flicker component and the determination value.

Abstract: An imaging device, comprising: an image sensor that forms a subject image by means of an optical system, and a processor that comprises a flicker streak detection section and a determination section, wherein the flicker streak detection section divides an imaging range of the image sensor into a plurality of regions, performs photometry of the regions that have been divided based on an pixel signal output by the image sensor, and detects divided regions in which it is expected that flicker streaks exist, and the determination section determines whether or not it was possible to detect flicker streaks using the flicker streak detection section, wherein the flicker streak detection section, in a case where it has been determined by the determination section that it was not possible to detect flicker streaks, reduces area of the divided regions and detects divided regions in which it is expected that flicker streaks will exist.

Abstract: An imaging device, comprising: an image sensor that forms a subject image by means of an optical system, and a processor that comprises a flicker streak detection section and a determination section, wherein the flicker streak detection section divides an imaging range of the image sensor into a plurality of regions, performs photometry of the regions that have been divided based on an pixel signal output by the image sensor, and detects divided regions in which it is expected that flicker streaks exist, and the determination section determines whether or not it was possible to detect flicker streaks using the flicker streak detection section, wherein the flicker streak detection section, in a case where it has been determined by the determination section that it was not possible to detect flicker streaks, reduces area of the divided regions and detects divided regions in which it is expected that flicker streaks will exist.

Abstract: An imaging device, comprising an image sensor, an imaging control circuit that controls an integration time of the image sensor, and a controller comprising a flicker component detection section that detects flicker components, and a flicker determination section that determines existence of flicker, wherein the flicker component detection section is provided with a plurality of detection regions in an imaging region of the image sensor along a scanning direction for an electronic shutter function, and detects flicker components from differences in brightness relating to the same detection region based on a plurality of imaging outputs that have been acquired by performing integrating at the same integration time with different frames, and the flicker determination section changes a determination value for determining the existence of flicker in accordance with an imaging mode, and performs determination by comparing the flicker component and the determination value.

Abstract: A photographing apparatus, comprising: an imaging optical system; an image sensor which receives a light flux passing through the imaging optical system, captures an image, and outputs an imaging signal; an aperture which is included in the imaging optical system and which includes an opening to restrict the light flux; a controller which performs a first exposure control to control the exposure of the image sensor by changing the opening of the aperture and calculates, based on an imaging signal output by the image sensor, a deviation between an optimal exposure amount and a currently set actual exposure amount; and an imaging control circuit which performs a second exposure control to control the exposure of the image sensor without changing the opening of the aperture, wherein the controller selects either the first exposure control or the second exposure control based on the deviation to control exposure.

Abstract: A photographing apparatus, comprising: an imaging optical system; an image sensor which receives a light flux passing through the imaging optical system, captures an image, and outputs an imaging signal; an aperture which is included in the imaging optical system and which includes an opening to restrict the light flux; a controller which performs a first exposure control to control the exposure of the image sensor by changing the opening of the aperture and calculates, based on an imaging signal output by the image sensor, a deviation between an optimal exposure amount and a currently set actual exposure amount; and an imaging control circuit which performs a second exposure control to control the exposure of the image sensor without changing the opening of the aperture, wherein the controller selects either the first exposure control or the second exposure control based on the deviation to control exposure.

Abstract: An imaging apparatus, comprising a lens unit having a photographing optical system, and a body having an image sensor for generating a pixel signal by imaging subject light that has passed through the photographing optical system, comprising an exposure control section for adjusting exposure amount for image data based on a pixel signal generated by the image sensor, by transmitting an aperture control signal to the aperture control section and changing opening of the aperture, and a determination section for determining whether or not the aperture control section is able to control opening of the aperture based on information from the lens unit, wherein the exposure control section does not transmit aperture control signals to the aperture control section when it is determined by the determination section that the aperture control section is able to control opening of the aperture.

Abstract: An imaging device includes an imaging section, a main subject detecting section, a main subject color determining section, a background color setting section, an exposure control section, and a photography control section. The imaging section images a subject. The main subject detecting section detects a region of a main subject in image data. The main subject color determining section determines a color of the region of the main subject. The background color setting section sets a color of a region that becomes a background of the region of the main subject. The exposure control section sets an exposure setting value in accordance with the color of the region that becomes the background. The photography control section controls main imaging in accordance with the exposure setting value.

Abstract: An imaging apparatus, comprising a lens unit having a photographing optical system, and a body having an image sensor for generating a pixel signal by imaging subject light that has passed through the photographing optical system, comprising an exposure control section for adjusting exposure amount for image data based on a pixel signal generated by the image sensor, by transmitting an aperture control signal to the aperture control section and changing opening of the aperture, and a determination section for determining whether or not the aperture control section is able to control opening of the aperture based on information from the lens unit, wherein the exposure control section does not transmit aperture control signals to the aperture control section when it is determined by the determination section that the aperture control section is able to control opening of the aperture.

Abstract: An imaging device includes an imaging section, a main subject detecting section, a main subject color determining section, a background color setting section, an exposure control section, and a photography control section. The imaging section images a subject. The main subject detecting section detects a region of a main subject in image data. The main subject color determining section determines a color of the region of the main subject. The background color setting section sets a color of a region that becomes a background of the region of the main subject. The exposure control section sets an exposure setting value in accordance with the color of the region that becomes the background. The photography control section controls main imaging in accordance with the exposure setting value.

Abstract: A drug, quasi drug, food or drink product containing a proanthocyanidine derived from hop, hop bract or apple has the effect of neutralizing or attenuating a vacuolacting toxin produced by Helicobacter pylori, thus preventing, preventing recurrence or treating digestive diseases in which Helicobacter pylori participates, as well as killing Helicobacter pylori, while providing few side effects and being free of risk of the occurrence of a tolerant strain.

Abstract: The present invention provides a drug, a quasi drug, a food or drink product having an effect of preventing, preventing recurrence or treating digestive diseases that Helicobacter pylori participates, as well as an effect of killing Helicobacter pylori while showing little side effects and being free from any risk of the occurrence of a tolerant strain. The present invention provides a drug, a quasi drug, a food or drink product containing an effective ingredient proanthocyanidines having an effect of neutralizing (attenuating) a vacuolating toxin produced by Helicobacter pylori, particularly and preferably proanthocyanidines originated from immature apple fruit or hop bracts.

Abstract: Proteotoxin neutralizers containing as the active ingredient proanthocyanidins obtained from hop.

Abstract: Methods for neutralizing bacterial toxins such as Shiga toxins and cholera toxins are disclosed. In a particular embodiment, a method is provided for treating a subject suffering from an infection caused by an Stx-producing organism by administering a therapeutically effective amount of a hop bract tannin obtained from Humulus lupulus. Also provided are methods for isolating polyphenolic compounds that bind Stx molecules, and methods for detecting the presence of Stx molecules in a biological sample. In a disclosed embodiment, a subject infected with a Shiga toxin-producing E. coli strain is treated by enterically administering a high molecular weight fraction of hop bract extract to the subject.

Abstract: Proteotoxin neutralizers containing as the active ingredient proanthocyanidins obtained from hop.

Abstract: The present invention relates to a method for producing a flavor having fresh taste and freshness, comprising adding some part of fruit juice to a certain flavor and treating at a pressure of 100 MPa to 400 MPa for 10 seconds and more, and relates to a method for producing an excellent fruit drink having fresh taste and freshness industrially in a simple manner, i.e., by simply adding an extremely small amount of the high-quality flavor of the present invention to fruit juice.