An image pickup device according to an embodiment includes pixels each configured to output an analog signal based on electric charges produced in a photoelectric conversion unit and a control unit configured to control a gain applied to the analog signal to be at least a first gain and a second gain greater than the first gain in accordance with a signal value of the analog signal. Each of the pixels outputs, as the analog signal, a first signal and a second signal based on electric charges produced in the photoelectric conversion unit in a first exposure period and a second exposure period shorter than the first exposure period. The control unit controls the gain applied to the analog signal by selecting one from the first gain and the second gain in accordance with the signal value, for at least one of the first signal and the second signal.

A system, method, and computer program product are provided for capturing digital images. In use, an ambient image comprising at least two ambient pixels and a flash image comprising at least two flash pixels is captured, via a camera module. Next, at least one de-noised pixel based on the ambient image is generated. Additionally, a resulting image is generated by combining the at least one de-noised pixel and a corresponding flash pixel. Additional systems, methods, and computer program products are also presented.

A method for image-processing and an electronic device are disclosed. The method includes: obtaining a RAW image packet comprising at least two RAW images, the at least two RAW images having different exposure durations; unpacking the RAW image packet and obtaining the at least two of RAW images; obtaining a High Dynamic Range (HDR) RAW image by performing an image synthesis operation on the at least two RAW images; and performing a previewing, photographing, or video-recording operation on the HDR RAW image.

Provided is a lens apparatus attachable and removable to a camera apparatus, the lens apparatus comprising a communication device configured to transmit, to an external device, information for light amount compensation of image data obtained by image pickup in the camera apparatus, in which the information includes information of a coefficient A.sub.0 of a term of 0-th-order with respect to an image height in a polynomial of n-th-order with respect to the image height, and in which a conditional expression

0.7<A.sub.0(Z)×(Fw/F(Z)).sup.2<1.3

is satisfied where A.sub.0(Z) represents the coefficient Ao at a zoom state Z, F(Z) represents an effective F-number at the zoom state Z, and Fw represents an effective F-number at a wide angle end.

An electronic device, including: a display panel, including a fingerprint recognition region, the fingerprint recognition region including a central region and an edge region surrounding the central region; an optical sensor, configured to collect a fingerprint image of a target object and including a plurality of photosensitive units, wherein a projection of the optical sensor on the display panel along a direction perpendicular to the display panel is within the fingerprint recognition region; and a controller, configured to control photosensitive performance of at least one photosensitive unit corresponding to the edge region to be better than photosensitive performance of at least one photosensitive unit corresponding to the central region.

An electronic device acquires polarization information of a subject based on a plurality of pieces of image data based on a first signal output from a first sensor. The first sensor can capture an optical image of the subject acquired via a polarizing filter provided with areas having different polarization angles. The device further acquires an evaluation value for controlling brightness of an image at the time of capturing the optical image of the subject, based on the plurality of pieces of image data. The plurality of pieces of image data have different polarization angles, by respectively being acquired via areas of the polarizing filter having the plurality of different polarization angles. A degree of weighting to be assigned to the plurality of pieces of image data at the time of acquiring the evaluation value based on the polarization information.

A method includes capturing an image using a content capture device with an initial image setting. The image includes a plurality of pixel groups, and a pixel group can have one or more pixels. A plurality of edge pixel groups is identified and then classified into two subsets. A first subset of saturated edge pixel groups includes edge pixel groups that have at least one neighboring pixel group with an image intensity exceeding a saturated intensity value. A second subset of non-saturated edge pixel groups includes edge pixel groups that have no neighboring pixel groups with an image intensity exceeding a saturated intensity value. An adjustment value to the image setting is determined based on a total number of saturated edge pixel groups and a total number of non-saturated edge pixel groups. An updated image is captured with an updated image setting based on the adjustment value.

Provided herein may be an image sensing device and a method of operating the same. The image sensing device may include an image sensor configured to acquire an image including a plurality of pixel values, a memory configured to store reference gain values of each of a plurality of block areas included in the image, and an image processor configured to calculate gain values included in each of the plurality of block areas using the reference gain values and to output a correction image in which the reference gain values and the gain values are applied to the plurality of pixel values, wherein the block areas include a first block area and a second block area having a shorter distance from a center of the image than the first block area and having a size greater than that of the first block area.

The dynamic range of a pixel is increased by using selective photosensor resets during a frame time of image capture at a timing depending on the light intensity that the pixel will be exposed to during the frame time. Pixels that will be exposed to high light intensity are reset later in the frame than pixels that will be exposed to lower light intensity.

There is provided an electronic device capable of suppressing a decrease in resolution of a captured image while increasing types of information obtained by an imaging unit. An electronic device includes an imaging unit that includes a plurality of pixel groups each including two adjacent pixels, in which at least one first pixel group of the plurality of pixel groups includes a first lens that condenses incident light, a first photoelectric conversion unit that photoelectrically converts a part of the incident light condensed through the first lens, and a second photoelectric conversion unit different from the first photoelectric conversion unit that photoelectrically converts a part of the incident light condensed through the first lens, and at least one second pixel group different from the first pixel group among the plurality of pixel groups includes a second lens that condenses incident light, a third photoelectric conversion unit that photoelectrically converts the incident light condensed through the second lens, and a third lens different from the second lens that condenses the incident light, a fourth photoelectric conversion unit different from the third photoelectric conversion unit that photoelectrically converts the incident light condensed through the third lens.