H04N23/745

Method and system to calibrate a camera clock using flicker
11528466 · 2022-12-13 · ·

A method operable by circuitry including an image processor, an image sensor, and another clock-dependent device, including measuring a flicker using the image sensor, adjusting a clock rate of the circuitry according to the measured flicker, and operating the clock-dependent device using the adjusted clock rate.

Methods and systems for traffic monitoring

A system and method for determining a dimension of a target. The method includes: determining a camera parameter, the camera parameter including at least one of a focal length, a yaw angle, a roll angle, a pitch angle, or a height of one or more cameras; acquiring a first image and a second image of an target captured by the one or more cameras; generating a first corrected image and a second corrected image by correcting the first image and the second image; determining a parallax between a pixel in the first corrected image and a corresponding pixel in the second corrected image; determining an outline of the target; and determining a dimension of the target based at least in part on the camera parameter, the parallax, and the outline of the target.

Method and apparatus of recovering image

The present disclosure relates to a method of recovering an image from which a motion blur is removed and an image recovering apparatus and the image recovering apparatus according to an exemplary embodiment of the present disclosure includes a signal generator which receives at least one of illuminance information and speed information from a sensor to determine a random flickering pattern and a triggering signal based on the received signal, output the determined random flickering pattern to a lighting unit, and output the triggering signal to a camera; and an image processor which receives an image including a motion blur from the camera to recover the received image based on the random flickering pattern determined by the signal generator.

Image capturing apparatus, method for driving image capturing apparatus to detect flicker during shooting

An image capturing apparatus comprises an image sensor, a drive control unit for the image sensor, and a detection unit configured to calculate an evaluation value based on second images and detect flicker based on the evaluation value. The drive control unit controls to perform, during a live view cycle of a display device, a first operation for reading out a first image to be displayed, and a second operation for reading out the second images at a second cycle which is shorter than the time taken to read out the first image at timings different from a timing of reading out the first image. Upon calculating the evaluation value based on the second images, the detection unit detects flicker by using different pairs of images from among the second images for calculation of the evaluation value according to the first cycle.

Enhanced color consistency for imaging

Devices, systems, and methods for enhancing color consistency in images are disclosed. A method may include activating, by a device, a camera to capture first image data; while the camera is capturing the first image data, activating of a first light source; receiving the first image data, the first image data having pixels having first color values; identifying first light generated by the first light source while the camera is capturing the first image data; identifying, based on the first image data, second light generated by a second light source; generating, based on the first light, the second light, and a distance between the camera and the vehicle light, second color values for the pixels of the first image data; generating second image data based on the second color values; and presenting the second image data.

SYSTEM FOR ILLUMINATING THE FACE OF AN OCCUPANT IN A CAR
20230055583 · 2023-02-23 ·

A system is provided for illuminating the face of an occupant for a video call in a car. At least one light source has a main light emission direction (A) which is directed toward the face of the occupant. The system also includes a camera provided to record the face of the occupant. The system controls the light source in such a way to obtain a flickering free recording of the face of the occupant.

EXPOSURE CONTROL APPARATUS, IMAGE CAPTURING APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM
20220368820 · 2022-11-17 ·

An exposure control apparatus accepts a specification of a shutter speed, determines, based on the specified shutter speed, a first accumulation time in which an image sensor accumulates a charge for image capture during a live view, determines, based on the specified shutter speed, a second accumulation time in which the image sensor accumulates a charge for image capture when obtaining a still image; and controls the image sensor to accumulate a charge over the first accumulation time or the second accumulation time. The accumulation time that can be set in the image sensor differs between during the live view and when obtaining a still image, and the first determination unit varies a method of determining the first accumulation time according to whether or not the specified shutter speed is longer than a predetermined shutter speed.

METHOD FOR PROVIDING IMAGE AND ELECTRONIC DEVICE SUPPORTING THE SAME

An electronic device and method are provided for obtaining an image. An electronic device may include cameras; a distance sensor including a light-emitting part and a light-receiving part; and a processor. The processor may identify a range corresponding to a zoom magnification for obtaining an image, obtain, based on light emitted from the light-emitting part and received by regions of the light-receiving part, signals corresponding to the regions of the light-receiving part, identify first peaks of the signals, obtain, based on the first peaks, first distances, identify whether a distance that is greater than or equal to a first distance corresponding to the identified range exists among the first distances, identify, based on identifying that the distance that is greater than or equal to the first distance exists, whether a maximum value of the first peaks is less than a first value, and determine a camera for obtaining the image among the multiple cameras, based whether the distance that is greater than or equal to the first distance exists and/or whether the maximum value of the one or more first peaks is less than the first value.

Electronic apparatus and control method thereof
11588985 · 2023-02-21 · ·

An electronic apparatus comprises an image sensor including a first pixel group and a second pixel group, and capable of actuating the pixel groups with the same or different shooting conditions; a controller that switches between a first actuation control of actuating the first and second pixel groups with the same shooting conditions and a second actuation control of actuating the first and second pixel groups with different shooting conditions; a detector that detects flicker based on a signal read out from the image sensor; and a determination unit that determines whether or not the detector can detect flicker based on a signal read out from the image sensor by the second actuation control. If the determination unit determines affirmative, the controller controls to actuate the second pixel group with the shooting conditions for flicker detection in the second actuation control.

Electronic apparatus and control method thereof
11588985 · 2023-02-21 · ·

An electronic apparatus comprises an image sensor including a first pixel group and a second pixel group, and capable of actuating the pixel groups with the same or different shooting conditions; a controller that switches between a first actuation control of actuating the first and second pixel groups with the same shooting conditions and a second actuation control of actuating the first and second pixel groups with different shooting conditions; a detector that detects flicker based on a signal read out from the image sensor; and a determination unit that determines whether or not the detector can detect flicker based on a signal read out from the image sensor by the second actuation control. If the determination unit determines affirmative, the controller controls to actuate the second pixel group with the shooting conditions for flicker detection in the second actuation control.