An imaging device that images a disease site as a subject includes a camera body, a light unit that is provided in the camera body and includes a first light source and a second light source that have different characteristics, and a filter unit that includes at least one independent filter capable of being positioned on and retracted from an optical axis of the camera body. The imaging device performs continuous imaging by imaging in a state in which the subject is illuminated with light from the first light source and, via a first mode, the filter is positioned on or retracted from the optical axis and, thereafter, imaging in a state in which the subject is illuminated with light from the second light source and, via a second mode that differs from the first mode, the filter is positioned on or retracted from the optical axis.

Provided is a video creation method in which, in a configuration in which a part of a captured video is extracted and displayed, the adjustment of an exposure amount and the video display in a case in which an extracted region is changed are appropriately executed. A video creation method according to an embodiment of the present invention includes setting, in an imaging region of a reference video having a first angle of view, a plurality of regions having a second angle of view smaller than the first angle of view, selecting a selection region of a recorded video from among the plurality of regions, reselecting the selection region from among the plurality of regions to switch the selection region, recording each of a pre-switching video and a post-switching video, displaying the post-switching video after the pre-switching video is displayed and displaying an insertion video in a period between a display period of the pre-switching video and a display period of the post-switching video, and adjusting, during a display period of the insertion video, an exposure amount and the like of a post-switching selection region.

Provided is a video creation method in which, in a configuration in which a part of a captured video is extracted and displayed, the adjustment of an exposure amount and the video display in a case in which an extracted region is changed are appropriately executed. A video creation method according to an embodiment of the present invention includes setting, in an imaging region of a reference video having a first angle of view, a plurality of regions having a second angle of view smaller than the first angle of view, selecting a selection region of a recorded video from among the plurality of regions, reselecting the selection region from among the plurality of regions to switch the selection region, recording each of a pre-switching video and a post-switching video, displaying the post-switching video after the pre-switching video is displayed and displaying an insertion video in a period between a display period of the pre-switching video and a display period of the post-switching video, and adjusting, during a display period of the insertion video, an exposure amount and the like of a post-switching selection region.

An apparatus for improving contrast in an image captured by an imaging sensor. The apparatus including: an objective optical system positioned in an optical path of illumination light on an object; an image sensor positioned in the optical path such that light from the objective optical system is incident on the image sensor; a device having a variable transparency positioned at a focal plane of the objective optical system; and a processor configured to: detect a bright spot on the image sensor; and control the device to change a transparency of a portion of the device corresponding to the detected bright spot.

An apparatus for improving contrast in an image captured by an imaging sensor. The apparatus including: an objective optical system positioned in an optical path of illumination light on an object; an image sensor positioned in the optical path such that light from the objective optical system is incident on the image sensor; a device having a variable transparency positioned at a focal plane of the objective optical system; and a processor configured to: detect a bright spot on the image sensor; and control the device to change a transparency of a portion of the device corresponding to the detected bright spot.

An imaging device includes a unit pixel cell. The unit pixel cell captures first data in a first exposure period and captures second data in a second exposure period different from the first exposure period, the first exposure period and the second exposure period being included in a frame period. A sensitivity per unit time of the unit pixel cell in the first exposure period is different from a sensitivity per unit time of the unit pixel cell in the second exposure period. The imaging device outputs multiple-exposure image data including at least the first data and the second data.

A video creation method of creating a video is provided. The method includes setting, in an imaging region of a reference video having a first angle of view, one or more regions having a second angle of view different from the first angle of view, determining a selection region that is the region in which a subject of a recording target is included, switching the selection region, displaying an insertion video in a period between a display period of a pre-switching video which is a video of the selection region before the switching and a display period of a post-switching video which is a video of the selection region after the switching, and executing, during a display period of the insertion video, a process to change a displayed video from one of the pre-switching video or the post-switching video to the other of the pre-switching video or the post-switching video.

A video creation method of creating a video is provided. The method includes setting, in an imaging region of a reference video having a first angle of view, one or more regions having a second angle of view different from the first angle of view, determining a selection region that is the region in which a subject of a recording target is included, switching the selection region, displaying an insertion video in a period between a display period of a pre-switching video which is a video of the selection region before the switching and a display period of a post-switching video which is a video of the selection region after the switching, and executing, during a display period of the insertion video, a process to change a displayed video from one of the pre-switching video or the post-switching video to the other of the pre-switching video or the post-switching video.

The present disclosure provides a control method of a camera module, a control device, a terminal, a nonvolatile computer readable storage medium and a computer device. The control method includes: obtaining a projection distance between a target user and the camera module; determining a control parameter of the camera module according to the projection distance and controlling the camera module based on the control parameter.

An imaging device including pixels and processing circuitry, where the pixels capture a first image in a first exposure period within a frame period and capture a second image in a second exposure period within the frame period to generate multiple-exposure image data that include the first image and the second image in a multiplexed state, the second exposure period being different from the first exposure period, the second image being different from the first image in brightness or color, and the processing circuitry detects an image of a moving subject from the multiple-exposure image data.