Disclosed is an image sensing device including a current supply circuit coupled between a supply terminal of a first voltage and a pair of output terminals, an input circuit coupled between the pair of output terminals and a common node, and suitable for receiving a pixel signal and a ramp signal, and a mirroring circuit coupled between the common node and a supply terminal of a second voltage, and suitable for compensating for an operating current, which flows between the common node and the supply terminal of the second voltage, based on a reference current when generating the operating current by mirroring the reference current.

An image sensor including: a pixel array including a plurality of pixels connected to a plurality of row lines and a plurality of column lines, each of the plurality of pixels including a photodiode for generating an electric charge in response to light, and a pixel circuit having a floating diffusion for storing the electric charge; and a controller configured to adjust a capacitance of the floating diffusion to a first value and obtain a first pixel signal from the pixel circuit during a first time period, adjust the capacitance of the floating diffusion to a second value greater than the first value and obtain a second pixel signal from the pixel circuit during a second time period subsequent to the first time period, and generate a result image using the first pixel signal and the second pixel signal.

A plurality of comparison circuits each including a first terminal for inputting a first analog signal and a second analog signal and a second terminal connected to a wiring for transmission of a ramp signal A first operation changes an electric potential of the wiring from a predetermined electric potential to a first electric potential to cause at least one of the plurality of comparison circuits to retain a first offset. A second operation, after the first operation, converts the first analog signal into a digital signal. A third operation, after the second operation, changes the electric potential of the wiring to an electric potential included in a range of from the predetermined electric potential to the first electric potential. A fourth operation, after the third operation, converts the second analog signal into a digital signal.

A photoarray for detecting time-dependent image data, comprising an array of multiple device cells, wherein each device cell comprises a group of photosensors, each photosensor configured to generate an analog sensor signal dependent on a light intensity at said photosensor, for each photosensor a pixel encoding circuit configured to transform the analog sensor signal generated by said photosensor into a digital pixel information stemming from said photosensor, and a processing unit, which comprises a correlation logic configured to correlate said pixel information stemming from the photosensors of said group of photosensors and to produce as a result a request signal indicating that said cell contains pixel information to be read and/or a pass signal utilized in the processing unit to allow pixel information contained in said cell to be transmitted.

A dual sensor imaging system and a depth map calculation method thereof are provided. The dual sensor imaging system includes at least one color sensor, at least one infrared ray (IR) sensor, a storage device, and a processor. The processor is configured to load and execute a computer program stored in the storage device to: control the color sensor and the IR sensor to respectively capture multiple color images and multiple IR images by adopting multiple exposure conditions suitable for an imaging scene, adaptively select a combination of the color image and the IR image that are comparable to each other from the color images and the IR images; and calculate a depth map of the imaging scene by using the selected color image and IR image.

An image sensing device may include a plurality of test pixel blocks and a signal processing unit. The test pixel blocks may be simultaneously heated to different temperatures. The signal processing unit may be in communication with the test blocks and configured to obtain pixel signals for different colors, respectively, based on dark current information associated with the temperatures of the test pixel blocks.

According to one embodiment, a solid-state imaging device includes a plurality of pixels, a plurality of sampling switches, a plurality of sample-and-hold circuits, and a plurality of output switches. The plurality of pixels are arranged at least in a column direction. The plurality of sampling switches are configured to sample signals outputted from the pixels belonging to columns in parallel. The plurality of sample-and-hold circuits are configured to sample and hold signals outputted from the plurality of sampling switches. The plurality of output switches are configured to output signals stored in the plurality of sample-and-hold circuits at predetermined timing.

Provided is an imaging apparatus including an imaging unit having a plurality of pixels, the pixels each having: a conversion element converting incident light into photoelectrons; a floating diffusion layer electrically connected to the conversion element and converting the photoelectrons into a voltage signal; a differential amplifier circuit electrically connected to the floating diffusion layer, including an amplifier transistor to which a potential of the floating diffusion layer is input, and amplifying the potential of the floating diffusion layer; a feedback transistor electrically connected to the amplifier transistor and initializing the differential amplifier circuit; a clamp capacitance connected in series between the floating diffusion layer and the amplifier transistor; and a reset transistor connected in parallel between the floating diffusion layer and the clamp capacitance and initializing the potential of the floating diffusion layer.

There is provided an image processing device including a light sensor and a processor. The light sensor is used to detect light and output an image frame. The processor identifies intensity of ambient light according to an image parameter associated with the image frame. When the ambient light is identified to be strong enough, the processor performs an object identification directly using the image frame. When the ambient light is identified to be not enough, the processor firstly converts the image frame to a converted image using a machine learning model, and then performs the object identification using the converted image.

An image sensing device includes at least one unit pixel including a plurality of pixels for generating a plurality of pixel signals based on a plurality of control signals having different phases, and an equalizing circuit suitable for equalizing noise that occurs in the plurality of pixels during a reset operation on the unit pixel.