摘要:
An image sensor includes a pixel array and a row driver block. The pixel array includes a plurality of subpixel groups, each including a plurality of subpixels. Each of the plurality of subpixels is configured to generate a subpixel signal corresponding to photocharge accumulated in response to a photon. The row driver block is configured to generate a first control signal to control the subpixels included in each of the plurality of subpixel groups to accumulate the photocharge in parallel from a first time point to a second time point.
摘要:
ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.
摘要:
ACMOS image sensor includes a pixel array having a plurality of pixels. Each of the plurality of pixels includes: a photogate structure configured to be controlled based on a first gate voltage; and a sensing transistor including a charge pocket region formed in a substrate region, the sensing transistor being configured to be controlled based on a second gate voltage. Based on the first gate voltage, the photogate structure is configured to integrate charges generated in response to light incident on the substrate region. The sensing transistor is configured to adjust at least one of a threshold voltage of the sensing transistor and a current flow in the sensing transistor according to charges transferred from the photogate structure to the charge pocket region based on a difference between the first gate voltage and the second gate voltage.
摘要:
An image sensor according to an example embodiment concepts includes a pixel array including pixels, and each of the pixels includes photoelectric conversion elements. The photoelectric conversion elements independently operating to detect a phase difference. The image sensor further includes a control circuit configured to independently control exposure times of each of the photoelectric conversion elements included in each of the pixels.
摘要:
An image sensor, an image processing apparatus including the same and an interpolation method of the image processing apparatus are provided. The image sensor includes a plurality of pixels that include a low-luminance pixel including a first photoelectric conversion device that accumulates a charge less than a predetermined reference value and a high-luminance pixel including a second photoelectric conversion device that accumulates a charge more than the predetermined reference value. Interpolation is carried out giving more weight to the low-luminance pixel at low luminance and giving more weight to the high-luminance pixel at high luminance, so that a higher SNR is obtained.
摘要:
An image sensor, an image processing apparatus including the same and an interpolation method of the image processing apparatus are provided. The image sensor includes a plurality of pixels that include a low-luminance pixel including a first photoelectric conversion device that accumulates a charge less than a predetermined reference value and a high-luminance pixel including a second photoelectric conversion device that accumulates a charge more than the predetermined reference value. Interpolation is carried out giving more weight to the low-luminance pixel at low luminance and giving more weight to the high-luminance pixel at high luminance, so that a higher SNR is obtained.
摘要:
A method of operating an image processing system includes storing differences between first analog pixel signals and second analog pixel signals and converting the stored differences to one-bit digital signals, the first analog pixel signals being output from a plurality of pixels and corresponding to a previous frame, and the second analog pixel signals being output from the plurality of pixels and corresponding to a current frame.
摘要:
A backside illumination image sensor is provided. The backside illumination image sensor includes a plurality of different types of pixels, each pixel including a photodiode configured to accumulate photogenerated charges corresponding to light incident on a backside of a semiconductor substrate and a transfer transistor configured to transfer the photogenerated charges to a floating diffusion node; and a plurality of transfer lines disposed at a front side of the semiconductor substrate, the plurality of transfer lines connected to a gate of the transfer transistor of a respective one of the pixels, wherein transfer control signals respectively transmitted through the transfer lines produce different effective integration times in the pixels.
摘要:
A method of interpolating a signal output from an image sensor including a pixel array having an M×N matrix as a basic pixel block where M and N are integers is provided. The method includes selecting a target pixel signal from among pixel signals output from the basic pixel block; and converting a pattern of a pixel signal output from the pixel array into a Bayer pattern by converting a pixel signal output from the basic pixel block into the Bayer pattern through an operation on the target pixel signal and a neighboring pixel signal of the target pixel signal and interpolating an output signal converted into the Bayer pattern.
摘要:
A method of interpolating a signal output from an image sensor including a pixel array having an M×N matrix as a basic pixel block where M and N are integers is provided. The method includes selecting a target pixel signal from among pixel signals output from the basic pixel block; and converting a pattern of a pixel signal output from the pixel array into a Bayer pattern by converting a pixel signal output from the basic pixel block into the Bayer pattern through an operation on the target pixel signal and a neighboring pixel signal of the target pixel signal and interpolating an output signal converted into the Bayer pattern.