Abstract: Provided is an imaging apparatus capable of continuously imaging a natural video even though brightness is changed. In an imaging apparatus in which an exposure condition is set based on a characteristic of a transmittance control element, a first exposure condition range is calculated based on photometry of the imaging apparatus. Determination is made whether or not the calculated first exposure condition range is included in a second exposure condition range where a control range acquired by the transmittance control element is applicable. In a case where the calculated first exposure condition range is not included in the second exposure condition range, the exposure condition of the imaging apparatus is changed such that the first exposure condition range is included in the second exposure condition range.

Abstract: Provided are an imaging device, an imaging method, and a program capable of changing assignment of functions to a plurality of operation units according to a use environment of the imaging device. An imaging device (1) includes: a plurality of operation units (265) provided on a plurality of surfaces of a device main body (101), respectively, and capable of being assigned functions; a memory (267) that stores assignment information indicating a relationship between a use environment and assignment of the functions to the plurality of operation units (265); and a processor (301), in which the processor (301) performs use environment determination processing of determining the use environment of the imaging device, and assignment setting processing of setting the assignment of the functions to the plurality of operation units on the basis of the assignment information of the memory, according to a result of the use environment determination processing.

Abstract: Provided are an imaging device, an imaging method, and an imaging program capable of easily acquiring a slow moving image with good image quality. In one aspect of the present invention, an imaging device includes an optical system, an imaging element, and a processor, and the processor performs detection processing of detecting a movement of a subject based on an image signal output from the imaging element, frame rate control of increasing a frame rate of a moving image output from the imaging element based on the detected movement, exposure control processing of maintaining a rate of an exposure time per frame of the moving image constant according to the increase in the frame rate, and dimming control processing of changing a degree of dimming of the optical system according to the exposure control processing.

Abstract: Provided are an imaging apparatus, an imaging method, and a program that change a display form of a display unit in accordance with whether or not a display content of the display unit is visually recognizable. An imaging apparatus (10) includes a first display unit (13), and a processor (40), in which the processor (40) performs a determination process for determining whether or not a display content of the first display unit (13) is visually recognizable by a user, and a display control for displaying a first display including at least one of a captured image or a character in a case where it is determined through the determination process that the display content is visually recognizable, and for causing the first display unit (13) to display a second display that is a surface display in a case where it is not determined through the determination process that the display content is visually recognizable.

Abstract: An image processing device includes at least one processor configured to set a reference region that is a partial region in an image indicated by image data, store, in association with the image data, information regarding the reference region including a position of the set reference region in the image and image processing parameters of the reference region, set a predetermined region in the image as a display region, and in a case where the reference region and the display region are different, generate image processing parameters of the display region based on the image processing parameters of the reference region and output a processed image obtained by executing image processing on the display region based on the generated image processing parameters of the display region.

Abstract: Provided is an image processing apparatus that performs image processing on original image data, the apparatus including a communication unit that performs communication with a terminal, a storage that stores parameter information indicating a relationship between image processing-related information transmitted from the terminal and an image processing parameter, and a processor, in which the processor acquires the original image data, performs, in a case in which an image processing request including the image processing-related information is received from the terminal via the communication unit, the image processing on the original image data using the image processing parameter corresponding to the image processing-related information based on the parameter information, and transmits image data after the image processing to the terminal via the communication unit.

Abstract: Provided is an image processing apparatus that performs image processing on original image data based on an instruction from a terminal, the apparatus including a communication unit that performs communication with the terminal, and a processor, in which the processor acquires the original image data, performs the image processing as instructed by the terminal on the original image data, and performs, in a case in which one instruction affects another instruction among a plurality of the instructions with respect to the original image data, control of not performing the image processing in accordance with an instruction that affects a highest priority instruction.

Abstract: A noise processing apparatus and a noise processing method capable of increasing cost-performance in the case of performing a noise reducing process for each band using a multiresolution transform and adding a desired noise are provided. The noise processing apparatus includes a multiresolution transform unit (32) that generates a plurality of band images in different resolutions by performing a multiresolution transform process including image size reduction on an original image, a noise reducing unit (34) that performs a noise reducing process on the band image, and a reverse multiresolution transform unit (38) that generates an output image in the same resolution as the original image by performing a reverse multiresolution transform process including image size expansion and a noise addition process on the band image subjected to the noise reducing process, the reverse multiresolution transform unit (38) performing the noise addition process in a lower resolution than the original image.

Abstract: An imaging apparatus includes an imager, and a processor configured to perform a dynamic range expansion process by generating one composite image from a plurality of captured images, perform the dynamic range expansion process by correcting an output value of a signal of one captured image, and execute the process by the dynamic range expansion process by generating one composite image from the plurality of captured images or the dynamic range expansion process by correcting the output value of the signal of the one captured image based on a time of one frame period and a total exposure time in a case of capturing the plurality of captured images.

Abstract: An imaging apparatus includes an imager, and a processor configured to perform a dynamic range expansion process by generating one composite image from a plurality of captured images, perform the dynamic range expansion process by correcting an output value of a signal of one captured image, and execute the process by the dynamic range expansion process by generating one composite image from the plurality of captured images or the dynamic range expansion process by correcting the output value of the signal of the one captured image based on a time of one frame period and a total exposure time in a case of capturing the plurality of captured images.

Abstract: A noise processing apparatus and a noise processing method capable of increasing cost-performance in the case of performing a noise reducing process for each band using a multiresolution transform and adding a desired noise are provided. The noise processing apparatus includes a multiresolution transform unit (32) that generates a plurality of band images in different resolutions by performing a multiresolution transform process including image size reduction on an original image, a noise reducing unit (34) that performs a noise reducing process on the band image, and a reverse multiresolution transform unit (38) that generates an output image in the same resolution as the original image by performing a reverse multiresolution transform process including image size expansion and a noise addition process on the band image subjected to the noise reducing process, the reverse multiresolution transform unit (38) performing the noise addition process in a lower resolution than the original image.

Abstract: A flash image component acquisition unit (40) of an image processing device (31) acquires the flash image component data on the basis of first image data which is acquired by capturing an image of the object while flash light is emitted. A flash correction data acquisition unit (42) acquires flash correction data in which the difference in the luminosity of the flash image component data caused by the color of the object has been reflected. The flash luminosity correction unit (44) acquires flash image correction component data, in which the difference in the luminosity of the flash image component data caused by the color of the object has been compensated for, on the basis of the flash image component data and the flash correction data.

Abstract: An image processing unit (31) according to a preferred aspect of the invention includes an image acquisition unit (41) that acquires a first image signal indicating a first flash emission image which is captured by a main imaging operation while flash light is emitted and a second image signal indicating a second flash emission image which is obtained by capturing the same scene as that of the first flash emission image with an exposure time different from an exposure time of the first flash emission image, using a reference imaging operation, while the flash light is emitted, a ratio calculation unit (43) that calculates a ratio of the first image signal to the second image signal in each region, and a determination unit (45) that determines a main object region and a background region on the basis of a threshold value.

Abstract: An image processing device includes a first image acquisition unit that acquires each of a first imaging signal indicating a flash emission image and a second imaging signal indicating a flash non-emission image, a second image acquisition unit that acquires a third imaging signal indicating a difference between the first imaging signal and the second imaging signal that have been acquired, a third image acquisition unit that acquires a fourth imaging signal obtained by multiplying the acquired third imaging signal by a white balance gain for a flash for removing an influence due to color of the flash light, a color signal acquisition unit that acquires a color signal indicating a first color of each area in an imaging screen on the basis of the acquired fourth imaging signal, and a first white balance gain calculation unit.

Abstract: An image processing unit (31) according to a preferred aspect of the invention includes an image acquisition unit (41) that acquires a first image signal indicating a first flash emission image which is captured by a main imaging operation while flash light is emitted and a second image signal indicating a second flash emission image which is obtained by capturing the same scene as that of the first flash emission image with an exposure time different from an exposure time of the first flash emission image, using a reference imaging operation, while the flash light is emitted, a ratio calculation unit (43) that calculates a ratio of the first image signal to the second image signal in each region, and a determination unit (45) that determines a main object region and a background region on the basis of a threshold value.

Abstract: An image processing device includes a first image acquisition unit that acquires each of a first imaging signal indicating a flash emission image and a second imaging signal indicating a flash non-emission image, a second image acquisition unit that acquires a third imaging signal indicating a difference between the first imaging signal and the second imaging signal that have been acquired, a third image acquisition unit that acquires a fourth imaging signal obtained by multiplying the acquired third imaging signal by a white balance gain for a flash for removing an influence due to color of the flash light, a color signal acquisition unit that acquires a color signal indicating a first color of each area in an imaging screen on the basis of the acquired fourth imaging signal, and a first white balance gain calculation unit.

Abstract: A flash image component acquisition unit (40) of an image processing device (31) acquires the flash image component data on the basis of first image data which is acquired by capturing an image of the object while flash light is emitted. A flash correction data acquisition unit (42) acquires flash correction data in which the difference in the luminosity of the flash image component data caused by the color of the object has been reflected. The flash luminosity correction unit (44) acquires flash image correction component data, in which the difference in the luminosity of the flash image component data caused by the color of the object has been compensated for, on the basis of the flash image component data and the flash correction data.

Abstract: Whether a pixel of interest contained in applied image data exhibits color bleed (a false color or purple fringe) is determined. If the pixel of interest is determined to exhibit color bleed, a direction along which luminance is monotonically decreasing in the vicinity of the pixel of interest is discriminated using the pixel of interest as a starting point. A search is performed in the direction of monotonically decreasing luminance to find a pixel where the monotonic decrease in luminance ends. The found pixel where the monotonic decrease in luminance ends is decided upon as a target pixel and a correction value for causing the color of the pixel of interest to match the color of the target pixel is calculated. The color of the pixel of interest is corrected using the calculated color correction value.

Abstract: Whether a pixel of interest contained in applied image data exhibits color bleed (a false color or purple fringe) is determined. If the pixel of interest is determined to exhibit color bleed, a direction along which luminance is monotonically decreasing in the vicinity of the pixel of interest is discriminated using the pixel of interest as a starting point. A search is performed in the direction of monotonically decreasing luminance to find a pixel where the monotonic decrease in luminance ends. The found pixel where the monotonic decrease in luminance ends is decided upon as a target pixel and a correction value for causing the color of the pixel of interest to match the color of the target pixel is calculated. The color of the pixel of interest is corrected using the calculated color correction value.