Patent classifications
H04N25/50
IMAGE SENSING DEVICE AND OPERATION METHOD THEREOF
An image sensing device may include a pixel circuit and a driving control circuit. The pixel circuit is configured to store photocharge, generated by a photoelectric conversion element, as image information. The driving control circuit may control the pixel circuit to adjust the signal conversion gain ratio depending on the illuminance of the incident light at the image sensing device.
AMPLIFIER CIRCUIT FOR ENABLING POWER EFFICIENT AND FASTER PIXEL SETTLING IN IMAGE SENSORS
A Complementary Metal Oxide Semiconductor (CMOS) Image Sensor (CIS), includes a pixel circuit, a VSL circuit, and an amplifier. The pixel circuit may generate a reset voltage and a signal voltage, based on a power supply connected to the pixel circuit and/or intensity of light captured by the pixel circuit. The VSL circuit may store pixel information in a pixel load based on settling a voltage at the pixel load to the signal voltage and/or set the voltage at the pixel load to a pixel reset voltage based on settling the voltage at the pixel load to the reset voltage. The amplifier may generate a voltage, based on varying a resistance at an input of the amplifier, to enable the VSL circuit to store the pixel information and/or set the voltage at the pixel load to the pixel reset voltage.
AMPLIFIER CIRCUIT FOR ENABLING POWER EFFICIENT AND FASTER PIXEL SETTLING IN IMAGE SENSORS
A Complementary Metal Oxide Semiconductor (CMOS) Image Sensor (CIS), includes a pixel circuit, a VSL circuit, and an amplifier. The pixel circuit may generate a reset voltage and a signal voltage, based on a power supply connected to the pixel circuit and/or intensity of light captured by the pixel circuit. The VSL circuit may store pixel information in a pixel load based on settling a voltage at the pixel load to the signal voltage and/or set the voltage at the pixel load to a pixel reset voltage based on settling the voltage at the pixel load to the reset voltage. The amplifier may generate a voltage, based on varying a resistance at an input of the amplifier, to enable the VSL circuit to store the pixel information and/or set the voltage at the pixel load to the pixel reset voltage.
IMAGING APPARATUS, DRIVING METHOD OF IMAGING APPARATUS, AND PROGRAM
The imaging apparatus includes: a processor; and an imaging element that has column signal lines, which are for reading out signals and extend in a first direction, and that has a first pixel group and a second pixel group arranged in the first direction, the first pixel group including phase difference pixels and imaging pixels arranged in a second direction intersecting the first direction and the second pixel group including imaging pixels arranged in the second direction. The processor is configured to set one of a first exposure time, during which the first pixel group is exposed, and a second exposure time, during which the second pixel group is exposed, shorter than the other, and determine which of the first exposure time and the second exposure time is made shorter than the other on the basis of information of a subject image.
IMAGING APPARATUS, DRIVING METHOD OF IMAGING APPARATUS, AND PROGRAM
The imaging apparatus includes: a processor; and an imaging element that has column signal lines, which are for reading out signals and extend in a first direction, and that has a first pixel group and a second pixel group arranged in the first direction, the first pixel group including phase difference pixels and imaging pixels arranged in a second direction intersecting the first direction and the second pixel group including imaging pixels arranged in the second direction. The processor is configured to set one of a first exposure time, during which the first pixel group is exposed, and a second exposure time, during which the second pixel group is exposed, shorter than the other, and determine which of the first exposure time and the second exposure time is made shorter than the other on the basis of information of a subject image.
Generating Sparse Sample Histograms in Image Processing
Apparatus for binning an input value into an array of bins, each bin representing a range of input values and the bins collectively representing a histogram of input values, the apparatus comprising: an input for receiving the input value; a memory for storing the array; and a binning controller configured to: derive a plurality of bin values from the input value according to a binning distribution located about the input value, the binning distribution spanning a range of input values and each bin value having a respective input value dependent on the position of the bin value in the binning distribution; and allocate the plurality of bin values to a plurality of bins in the array, each bin value being allocated to a bin selected according to the respective input value of the bin value.
Generating Sparse Sample Histograms in Image Processing
Apparatus for binning an input value into an array of bins, each bin representing a range of input values and the bins collectively representing a histogram of input values, the apparatus comprising: an input for receiving the input value; a memory for storing the array; and a binning controller configured to: derive a plurality of bin values from the input value according to a binning distribution located about the input value, the binning distribution spanning a range of input values and each bin value having a respective input value dependent on the position of the bin value in the binning distribution; and allocate the plurality of bin values to a plurality of bins in the array, each bin value being allocated to a bin selected according to the respective input value of the bin value.
Image sensor with voltage supply grid clamping
An image sensing device includes an image sensing circuit, a voltage supply grid, bitlines, and a control circuit. The image sensing circuit includes pixels arranged in rows and columns. Each one of the bitlines is coupled to a corresponding one of the columns. The voltage supply grid is coupled to the pixels. The control circuit is coupled to output at least a row select signal and a transfer signal to the rows. Each one of the rows is selectively coupled to the bitlines to selectively output image data signals in response to the row select signal and the transfer signal. Each one of the rows is further selectively coupled to the bitlines to selectively clamp the bitlines in response to the row select signal and the transfer signal. Each one of the rows is selectively decoupled from the bitlines in response to the row select signal.
Imaging apparatus, imaging system, imaging method, and imaging program
An imaging apparatus according to an embodiment includes: an imaging unit having a pixel region in which a plurality of pixels is arranged; a readout controller that controls readout of pixel signals from pixels included in the pixel region; a first unit-of-readout setting unit that sets a unit of readout as a part of the pixel region, for which the readout controller performs readout of the pixel signal; an image output unit that outputs a first image based on the pixel signal read out from the unit of readout to a subsequent stage; a second unit-of-readout controller that controls the unit of readout in which the readout controller performs readout of the pixel signal; and a recognition unit that learns training data for each of the units of readout, performs a recognition process on the pixel signal for each of the units of readout, and outputs a recognition result.
Imaging apparatus, imaging system, imaging method, and imaging program
An imaging apparatus according to an embodiment includes: an imaging unit having a pixel region in which a plurality of pixels is arranged; a readout controller that controls readout of pixel signals from pixels included in the pixel region; a first unit-of-readout setting unit that sets a unit of readout as a part of the pixel region, for which the readout controller performs readout of the pixel signal; an image output unit that outputs a first image based on the pixel signal read out from the unit of readout to a subsequent stage; a second unit-of-readout controller that controls the unit of readout in which the readout controller performs readout of the pixel signal; and a recognition unit that learns training data for each of the units of readout, performs a recognition process on the pixel signal for each of the units of readout, and outputs a recognition result.