Cista System Corp.

Omnivision Technologies, Inc.

Eaglesens Systems Corporation

Suteng Innovation Technology Co., Ltd.

Guangbin Zhang

Dennis Tunglin Lee

Weihua Xiong

Zheng Yang

Yuanbao Gu

Tiejun Dai

Hirofumi Komori

Jingzhou Zhang

Zhihao Xu

Li Guo

Rui Wang

Joseph W Yang

Yaowu Mo

Min Qu

Jiangtao Pang

Jiangtao Kuang

Wenhao Qiao

Zhiqiang Song

Yalin Ren

Zhengyu Li

Shaomin Ding

A pToF sensor, a pToF pixel array and an operation method therefor are provided. The pToF pixel array includes a plurality of pToF pixels distributed in an array, a control circuit, and a conversion circuit. Each of the pToF pixels includes a photo sensitive unit configured to detect a return signal of a light pulse signal, and a first conversion unit configured to convert a time signal corresponding to each of the pToF pixels to an analog signal. The control circuit is connected to each of the pToF pixels, and configured to control an operation mode of each of the pToF pixels. The conversion circuit is connected to each of the pToF pixels, and configured to calculate a time-of-fight corresponding to each of the pToF pixels according to the analog signal corresponding to each of the pToF pixels.

Pulsed time-of-flight sensor, pulsed time-of-flight pixel array and operation method therefor

A system is provided for generating a ramping signal. The system includes a plurality of storage circuits each including an input and an output. The output of a previous storage circuit is connected to the input of a next storage circuit. The storage circuits are configured to propagate a first enable signal based on a first control signal. The system also includes a plurality of first current generating circuits. Each first current generating circuit is coupled to the output of a corresponding storage circuit to receive the propagated first enable signal. The first current generating circuits are configured to generate a first current signal based on the propagated first enable signal.

Method and system for generating a ramping signal

An image data processing method includes receiving first frame image data at a first resolution, reducing a resolution of the first frame image data to a second resolution, performing image recognition on the first frame image data to determine one or more regions of interest (ROI) and a priority level of each of the ROIs; receiving second frame image data, and extracting portions of the second frame image data corresponding to the one or more ROIs. The method further includes modifying a resolution of the portions of the second frame image data corresponding to the ROIs based on the priority level of the ROIs, reducing a resolution of the received second frame image data to the second resolution, and combining the resolution-modified portions of the second frame image data corresponding to the ROIs with the second frame image data at the second resolution to generate output frame image data.

Artificial intelligence based image data processing method and image sensor

An image data processing method includes receiving frame image data of N frames, where N&#x3e;1, detecting a region of interest in one of the N frames, tracking locations of the region of interest in at least one of the N frames, and providing a merged location of the region of interest based on the locations of the region of interest in the N frames. Some embodiments include providing T of the merged locations of the region of interest for T respective groups of N frames, where T&#x3e;1, providing respective statistical data for each of the T merged locations, and providing a final location of the region of interest based on the T merged locations and the statistical data for the T merged locations.

Accurate ROI extraction aided by object tracking

A high dynamic range sensing device is disclosed. The device may comprise an array of Bayer-pattern units of color filters, each of the color filters corresponding to a pixel of the sensing device, and each of the color filters overlapping with a plurality of photodiodes.

System and method for high dynamic range image sensing

An image data processing method includes receiving, from an image sensor, frame image data of a frame at a first resolution, reducing a resolution of the frame image data to a second resolution, performing image recognition on the frame image data to determine one or more regions of interest (ROI) and a priority level of each of the one or more ROIs, and extracting portions of the frame image data corresponding to the one or more ROIs. The method further includes modifying a resolution of the portions of the frame image data corresponding to the one or more ROIs based on the priority level of the ROIs, and combining the resolution-modified portions of the frame image data corresponding to the one or more ROIs with the frame image data at the second resolution to generate output frame image data.

Artificial intelligence based image data processing method and image processing device

An image data processing method includes receiving, from an image sensor, frame image data of a plurality of frames; receiving a plurality of control rules comprising a respective control rule for each of the frames, wherein each of the control rules identifies one of a plurality of process regions and one of a plurality of object detectors; identifying a region of interest in each frame by a location and a category, comprising applying the object detector identified by the respective control rule to the respective frame image data in the process region identified by the respective control rule; identifying a final region of interest based on the identified regions of interest; and reporting the final region of interest.

Asynchronous object ROI detection in video mode

A system and method is provided for image sensing. The image sensing system includes a comparator for comparing an input signal representing a sensed light signal from at least one pixel of the image sensing system and a reference signal. The comparator includes at least one digital transistor.

Column comparator system and method for comparing a ramping signal and an input signal

The present application relates to a multimedia data capture and processing (C&P) device. In an example, the multimedia data C&P device comprises a multimedia sensor configured to capture a first multimedia data; and a device processor configured to obtain a preset information, and generate a second multimedia data according to the first multimedia data and the preset information, at least a part of the second multimedia data presenting the preset information. The present application also relates to a user terminal and multimedia data processing server.

Multimedia data capture and processing device having image sensor integrated and embedded during manufacture with preset information for broadcasting to people

A device for generating a ramp signal with a changing slope is disclosed. The device may comprise a processor configured to generate a variable signal. The device may also comprise a phase-locked loop (PLL) circuit configured to receive the variable signal and a reference clock signal, generate a changing ramp clock signal based on the variable signal and the reference clock signal, and output the generated changing ramp clock signal as an input of an analog-to-digital-converter (ADC) circuit.

Growing community of inventors

Cupertino, CA, United States of America

Guangbin Zhang