H04N23/73

A SYSTEM FOR PERFORMING AMBIENT LIGHT IMAGE CORRECTION

There is provided a system (100) comprising a light source (110), an imaging unit (120) configured to capture a plurality of images of an subject, wherein each of the plurality of images is captured at an exposure time shorter than the wave period of the pulsed illumination, wherein the pulse frequency of the illumination is not a multiple integral of the frame rate at which the images are captured, and wherein a total time during which the plurality of images is captured is at least half of the wave period of the pulsed illumination, and a control unit (130) configured to: obtain a predetermined number n of candidate images, generate a sorted list of pixels by sorting respective pixels, apply a set of weights to the respective sorted list of pixels, and generate an estimated ambient light corrected image based on the plurality of weighted and sorted lists of pixels.

METHOD FOR OBTAINING EXPOSURE DATA AND ELECTRONIC DEVICE
20230017899 · 2023-01-19 · ·

A method for obtaining exposure data and an electronic device are provided. The method for obtaining exposure data includes: determining a scan synchronization signal corresponding to a target area on a display screen of the electronic device; determining, based on the scan synchronization signal, a real-time screen-off area and movement parameter information of the real-time screen-off area; determining, based on pixels occupied by the real-time screen-off area, the movement parameter information, and pixels occupied by the target area, a coverage duration for the real-time screen-off area to continuously cover the target area and a time interval between two coverages; and controlling, based on the coverage duration and the time interval, a target photosensitive component in the electronic device to be exposed to obtain exposure data. The target area is an area corresponding to the target photosensitive component on the display screen.

Control method for image acquisition device, control device therefor, and storage medium

Embodiments of the present invention provide a control method for an image acquisition device, a control device therefor, and a storage medium, relate to the field of the image acquisition device, and aim to realize synchronization of an operation timing signal of the image acquisition device and an external trigger signal. The method comprises: receiving image data acquired by the image acquisition device; analyzing the image data, obtaining an image timing according to an analysis result, and determining a frame synchronization signal of the image data output by the image acquisition device according to the image timing; determining a phase offset between the frame synchronization signal and a preset trigger signal; and adjusting a phase of a control signal based on the phase offset, wherein the control signal is configured for adjusting an operation timing of the image acquisition device.

Control method for image acquisition device, control device therefor, and storage medium

Embodiments of the present invention provide a control method for an image acquisition device, a control device therefor, and a storage medium, relate to the field of the image acquisition device, and aim to realize synchronization of an operation timing signal of the image acquisition device and an external trigger signal. The method comprises: receiving image data acquired by the image acquisition device; analyzing the image data, obtaining an image timing according to an analysis result, and determining a frame synchronization signal of the image data output by the image acquisition device according to the image timing; determining a phase offset between the frame synchronization signal and a preset trigger signal; and adjusting a phase of a control signal based on the phase offset, wherein the control signal is configured for adjusting an operation timing of the image acquisition device.

Systems, apparatus, and methods for generating enhanced images

Described examples relate to an apparatus comprising a first sensor configured to scan an area of interest during a first time period and a second sensor configured to capture a plurality of images of a field of view. The apparatus may include at least one controller configured to receive the plurality of images captured by the second sensor, compare the timestamp information associated with at least one image of the plurality of images to at least one time period of the first time period, and select a base image from the plurality of images based on the comparison.

Digital cameras with direct luminance and chrominance detection

An image capture device includes a plurality of independently formed camera channels. Each of the plurality of independently formed camera channels includes a respective lens that receives incident light and transmits the incident light to a respective sensor without transmitting the incident light to respective sensor of other camera channels within the plurality of independently formed camera channels. Further, a processor that is communicatively coupled to the respective sensor of each of the plurality of independently formed camera channels. The processor is configured to control an integration time of the respective sensor of each of the plurality of independently formed camera channels individually with the receive respective images from the respective sensor of each of the plurality of independently formed camera channels, and form a combined image by combing each of the respective images.

Digital cameras with direct luminance and chrominance detection

An image capture device includes a plurality of independently formed camera channels. Each of the plurality of independently formed camera channels includes a respective lens that receives incident light and transmits the incident light to a respective sensor without transmitting the incident light to respective sensor of other camera channels within the plurality of independently formed camera channels. Further, a processor that is communicatively coupled to the respective sensor of each of the plurality of independently formed camera channels. The processor is configured to control an integration time of the respective sensor of each of the plurality of independently formed camera channels individually with the receive respective images from the respective sensor of each of the plurality of independently formed camera channels, and form a combined image by combing each of the respective images.

VIDEO PASS-THROUGH COMPUTING SYSTEM

A video pass-through computing system includes a head-mounted display device including a display, a camera configured to image a physical scene according to an exposure timing, and an augmented reality control circuit configured to receive a virtual image pixel stream and composite the camera image pixel stream with the virtual image pixel stream to generate a display image pixel stream output to the display, and if a corresponding pixel of the camera image pixel stream is not in temporal synchronization with a pixel of the virtual image pixel stream adjust the exposure timing of the camera.

VIDEO PASS-THROUGH COMPUTING SYSTEM

A video pass-through computing system includes a head-mounted display device including a display, a camera configured to image a physical scene according to an exposure timing, and an augmented reality control circuit configured to receive a virtual image pixel stream and composite the camera image pixel stream with the virtual image pixel stream to generate a display image pixel stream output to the display, and if a corresponding pixel of the camera image pixel stream is not in temporal synchronization with a pixel of the virtual image pixel stream adjust the exposure timing of the camera.

Triggering System

Provided is a triggering system for triggering a plurality of vehicle-mounted cameras for obtaining a set of images. The present invention further relates to a camera system including the same. The triggering system includes a central unit and a plurality of camera controllers that each control one or more cameras. The present invention proposes a combination of a de-centralized updating process to determine the respective triggering time instants for the cameras, and a local timer in each of the camera controllers that is repeatedly synchronized using GNSS time information. This allows better control of the position of the entrance pupils of the cameras at the time of recording images. This will in turn produce a set of images that enables the generation of a panoramic image having less parallax-related errors.