Disclosed is a depth sensor for determining depth. The depth sensor can include a photosensor, a metalens configured to manipulate light to simultaneously produce at least two images having different focal distances on a surface of the photosensor, and processing circuitry configured to receive, from the photosensor, a measurement of the at least two images having different focal distances. The depth sensor can determine, according to the measurement, a depth associated with at least one feature in the at least two images.

Provided are a light-emitting apparatus that can suppress manufacturing cost to a low level and perform light emission with high uniformity using a simple configuration, a calibration coefficient calculation method using the light-emitting apparatus, and a method for calibrating a captured image of an inspection target object. A plurality of light-emitting diodes arranged at equal intervals on the circumference of a virtual circle, and a milky white-colored emission window, which is provided on a top surface portion separated from the light-emitting diodes, has an outer edge that is smaller than the circumference on which the light-emitting diodes are arranged, and allows light of the light-emitting diodes to pass therethrough, are included. The diameter of the virtual circle on which the light-emitting diodes are arranged and a separation distance between the light-emitting diodes and the emission window are set to predetermined distances.

Embodiments are directed to an electronic device including a camera module capturing a video, a memory, and a processor sequentially storing, in the memory, each of a plurality of frames respectively focused during the video capture on a plurality of frame areas selected from the video.

An image processing apparatus includes a first evaluator configured to evaluate under a first evaluation condition a focus state of each of a plurality of image data acquired by consecutive capturing, a second evaluator configured to evaluate the focus state of each of the plurality of image data under a second evaluation condition different from the first evaluation condition, and a recorder configured to record first evaluation information indicating an evaluation result under the first evaluation condition and second evaluation information indicating an evaluation result under the second evaluation condition.

An electronic device is provided. The electronic device includes at least one processor configured to obtain a plurality of first images as per a first frame rate using the camera based on a signal related to image recording and control the camera to perform focusing of a lens included in the camera on at least one of one or more objects in the plurality of first images while obtaining the plurality of first images, provide a first portion of the plurality of first images as a preview through the display, control the camera to lock the focusing on the at least one object, identify a designated event for slow motion recording while obtaining the plurality of first images, based at least in part on the designated event, obtain a plurality of second images as per a second frame rate higher than the first frame rate using the camera focusing-locked on the at least one object, and provide a video related to the at least one object using a second portion of the plurality of first images and at least one of the plurality of second images.

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

Provided are an image rectification method and apparatus, and an electronic system. The image rectification method includes: acquiring a first image and a second image of the same shooting object by means of a first shooting apparatus and a second shooting apparatus which are coaxially disposed; and correcting the second image according to shooting parameters of the first shooting apparatus and the second shooting apparatus to obtain a second rectified image, such that the parallax between the second rectified image and the first image in a vertical direction or a horizontal direction is zero. In the method, by taking a first image as a reference, and by means of adjusting the shooting parameters of the first shooting apparatus and a second shooting apparatus, only the second image is rectified, thereby improving the operation efficiency of image rectification, and improving the accuracy and stability of an image rectification result.

The application provides a monitoring method, electronic device and storage medium. The method includes determining a target area to be monitored from an acquired image of a monitored scene; determining a target capture posture and a target capture focal length according to the target area; and controlling a Pan Tilt Zoom (PTZ) camera to capture according to the target capture posture and the target capture focal length. The application can monitor any object within the monitored scene using the PTZ camera with a good capture effect.

An image display method includes the following operations (a) to (e). The (a) is of obtaining a plurality of two-dimensional images by two-dimensionally imaging a specimen, in which a plurality of objects to be observed are present three-dimensionally in the specimen, at a plurality of mutually different focus positions. The (b) is of obtaining image data representing a three-dimensional shape of the specimen. The (c) is of obtaining a three-dimensional image of the specimen based on the image data. The (d) is of obtaining the two-dimensional image selected from the plurality of two-dimensional images or a two-dimensional image generated to be focused on the plurality of objects based on the plurality of two-dimensional images as an integration two-dimensional image. The (e) is of integrating the integration two-dimensional image obtained in the (d) with the three-dimensional image obtained in the (c) and displaying an integrated image on a display unit.