Patent classifications
H04N25/50
IMAGING DEVICE, IMAGE PROCESSING DEVICE, AND ELECTRONIC APPARATUS
An electronic apparatus includes an imaging element having a plurality of image capture regions, each of the image capture regions having a plurality of pixels for generating an image signal; a setting unit that sets different image capture conditions for the plurality of image capture regions; and a control unit that corrects a portion of an image signal of a photographic subject captured under first image capture conditions in an image capture region among the plurality of image capture regions so that it is as if the portion of the image signal was captured under second image capture conditions.
IMAGE SENSING DEVICE AND FINGERPRINT SENSING METHOD
An image sensing device and a fingerprint sensing method are provided. The image sensing device is suitable for being installed in an electronic device. The image sensing device includes a light sensor and a controller. The controller is coupled to the light sensor. When the electronic device is operated in a sleep mode, the controller operates the light sensor in a light sensing mode. The controller determines whether a number of signal intensity changes of a photosensitive signal output by the light sensor exceeds a predetermined number of intensity changes within a predetermined length of time, so as to switch the operation of the light sensor in a fingerprint sensing mode.
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.
Health monitoring device including pinned photodiode
The invention relates to a photoplethysmography (PPG) sensing device comprising —a pulsed light source, —at least one pixel to create photo-generated electrons, synchronized with said pulsed light source. It is mainly characterized in that each pixel comprises: —a pinned photodiode (PPD) having two electronic connection nodes, —a sense node (SN), to convert the photo-generated electrons into a voltage, and —a Transfer Gate (TGtransfer) transistor, having its source electronically connected to one electronic connection node of said pinned photodiode (PPD), and being configured to act as a transfer gate (TG) between said pinned photodiode (PPD) and said sense node (SN), allowing the photo-generated electrons to sink when the light is pulsed-off, the photo-generated electrons integration when the light is pulsed-on and the transfer of at least part of the integrated photo-generated electrons to said sense node for a read-out.
Image sensor
An image sensor includes a pixel array with pixels arranged in a first direction and a second direction, intersecting the first direction. Each of the pixels includes a photodiode, a pixel circuit below the photodiode, and a color filter on or above the photodiode. A logic circuit acquires a pixel signal from the pixels through a plurality of column lines extending in the second direction. The pixels include color pixels and white pixels, the number of white pixels being greater than the number of color pixels. The pixel circuit includes a floating diffusion in which charges of the photodiode are accumulated and transistors outputting a voltage corresponding to amounts of charges in the floating diffusion. Each of the color pixels shares the floating diffusion with at least one neighboring white pixel, adjacent thereto in the second direction, among the white pixels.
Solid-state imaging device, solid-state imaging method, and electronic equipment
There is provided a solid-state imaging device including an imaging unit (211) that captures a first captured image, a light emission controlling unit (271) that controls emission of light from the light emitting unit, a decision unit (2331) that decides whether or not the emission of light is detected from within the first captured image, and a transmission controlling unit (2333) that controls, when the emission of light is detected, transmission of a second captured image or data based on the second captured image.
SOLID-STATE IMAGE SENSOR AND ELECTRONIC DEVICE
To control an excess bias to an appropriate value in a light detection device.
A solid-state image sensor includes a photodiode, a resistor, and a control circuit. In this solid-state image sensor, the photodiode photoelectrically converts incident light and outputs a photocurrent. Furthermore, in the solid-state image sensor, the resistor is connected to a cathode of the photodiode. Furthermore, in the solid-state image sensor, the control circuit supplies a lower potential to an anode of the photodiode as a potential of the cathode of when the photocurrent flows through the resistor is higher.
IMAGING DEVICE, METHOD OF DRIVING IMAGING DEVICE, AND ELECTRONIC EQUIPMENT
An imaging device of the present disclosure includes: a pixel array section in which pixels including light receiving elements are arranged; a first pixel control section that performs control to read out signals of all the pixels in the pixel array section at a first frame rate; a second pixel control section that performs control to read out signals of the pixels in a specific region in the pixel array section at a second frame rate higher than the first frame rate; and an analog-to-digital conversion section that performs an analog-to-digital conversion on a pixel signal read out by the control performed by the first pixel control section or the second pixel control section.
TIME-OF-FLIGHT (TOF) CAMERA DEVICE
A time-of-flight (TOF) camera device including an optical transmitter configured to transmit light to a subject, an optical receiver configured to receive light reflected from the subject, and an actuator configured to adjust either one or both of an optical scanning direction and field of luminance (FOL) of the optical transmitter.
IMAGE CAPTURING APPARATUS
An image capturing apparatus comprising: a plurality of SPAD pixels arrayed two-dimensionally; and a plurality of signal processing units that are provided so as to correspond, respectively, to the plurality of SPAD pixels, wherein each of the plurality of signal processing units comprises a request unit configured to issue a readout request in accordance with detection of a predetermined numbers of photons by the corresponding SPAD pixel, and an arbitration unit configured to select and output one of one or more readout requests issued by the request unit and another readout request received from another signal processing unit, The image capturing apparatus further comprises a request detection unit configured to detect the readout request output by the arbitration unit, where the request detection unit detects and counts the readout requests issued in a predetermined period.