Shanghai Xiaoyi Technology Co., Ltd.

Shanghai Sansi Technology Co. Ltd.

Shanghai Sansi Electronic Engineering Co. Ltd.

Jiashan Sansi Optoelectronic Technology Co. Ltd.

Pujiang Sansi Optoelectronic Technology Co. Ltd.

Other

Shanghai Micro Electronics Equipment (group) Co., Ltd.

Ants Technology (hk) Limited

Xiaoyi Technology Co., Ltd.

Zhejiang Puzhao Photoelectric Technology Co.,ltd.

Lili Zhao

Dajun Ding

Yi Yang

Shan Li

Qi Li

Nan Li

Zhao Li

Ming Chen

Yang Xia

Ilya Blayvas

Ron Fridental

Qiang Liu

Bishou Chen

Feibiao Chen

Hai Xia

Yuebin Zhu

Xiaoyu Jiang

Xing Wen

Defeng Ni

Junfeng Zhang

Weier Lu

Hailin Cheng

Lianjie Xue

Taiqiang Cao

Yongsheng Xia

Donghao Zhang

The present disclosure provides a highly efficient heat dissipation automobile lamp, including: light-emitting units, a base, and a heat dissipation mechanism. An external outline of the base is a frustum, the frustum is provided with an internal heat dissipation cavity, and the light-emitting units are evenly placed around the circumference of the frustum. The heat dissipation mechanism includes a heat dissipater and a heat dissipation rod with one of its ends connecting to the heat dissipater, and the heat dissipation rod is arranged in the heat dissipation cavity. The automobile lamp of the present disclosure achieves high heat dissipation efficiency and uniform light emission in the circumferential direction of the base by arranging the light-emitting units circumferentially along the base and inserting the heat dissipation rod into the heat dissipation cavity, thereby overcoming the problems of poor heat dissipation ability and uneven light emission of LED lamps.

Highly efficient heat dissipation automobile lamp

Solar floodlight

A heat sink, a separator, and a lighting device applying the same are provided. The heat sink comprises: a housing, formed around an axis, wherein the housing has a first open end and a second open end along the axis, and a holding cavity connecting the two open ends. The housing comprises a first portion and a second portion, both formed around the axis, wherein the first portion comprises several device mounting portions distributed around the axis. The second portion comprises an outer fin set disposed around the axis in an outer peripheral region, and an inner fin set disposed around the axis in an inner peripheral region; the first portion is closer to the first open end than the second portion is to the first open end, and the outer fin set extends toward the second open end; each fin extends toward the axis.

Heat sink, separator, and lighting device applying same

Disclosed is a graphene electrochemical transfer method assisted by multiple supporting films, comprising: (1) growing graphene on a substrate, and then spin-coating a thin layer of photoresist on a surface of the graphene as a first film; (2) spin-coating n layers of thick, tough, and selectively dissolvable polymer films on the surface of the first film as an top film; (3) dissociating the multi-layer composite film and the graphene from the surface of the substrate by an electrochemical process, and dissolving the thick polymer films which is the top film with a first solvent; (4) after cleaning, transferring the thin first film and the graphene to a target substrate, and finally dissolving the thin first film away with a second solvent to complete the transfer process. This transfer process is fast, stable, and capable of transferring a large-size graphene, which may promote the large-scale application of graphene.

Graphene electrochemical transfer method assisted by multiple supporting films

A chip bonding apparatus includes a chip separation unit, a chip alignment unit, a chip bonding unit and a bonding robotic arm unit. The bonding robotic arm unit includes a first bonding robotic arm unit and a second bonding robotic arm unit. The first bonding robotic arm unit includes a first motion stage, a first driver configured to drive the first motion stage and at least one first bonding robotic arm arranged on the first motion stage. The first bonding robotic arm is configured to suck up a chip from the chip separation unit and deliver it to the chip alignment unit. The second bonding robotic arm unit includes a second motion stage, a second driver configured to drive the second motion stage and at least one second bonding robotic arm arranged on the second motion stage.

Chip bonding device

A system for detecting a motion event based on images. The system acquires a first image and a comparison image, and generates a first edge image and a comparison edge image based on the first image and the comparison image. The system also determines the difference between the first edge image and the comparison edge image. The system indicates a motion event if the difference between the first edge image and the comparison edge image meets or exceeds a threshold.

Low-complexity motion detection based on image edges

A moving object detection method and apparatus are disclosed. The method may include: obtaining a first image and a second image of a scene; determining a difference of the first image and the second image; performing a binarization operation on the difference of the first image and the second image, to generate a binary image; determining the number of pixels whose values are nonzero in each column of the binary image, to generate a column pixel histogram; and determining whether a moving object is present in the scene based on the column pixel histogram.

System and method for detecting moving object in an image

Disclosed are systems and devices for facilitating audiovisual communication. According to embodiments, there may be provided a communication device including or otherwise functionally associated with a video camera to acquire visual information from a scene and to convert the visual information into a video stream. A video processing circuit may (a) receive the video stream, (b) extract user related features from the video stream; and (c) detect and characterize one or more user actions. A controller to receive the video processing circuit output and responsive to an indication of one or more detected events within the video stream to trigger a communication session between said communication device and an addressee device, wherein different addressee devices may be associated with different detected actions.

Methods and systems for audiovisual communication

An image stitching method includes: obtaining a first and a second images; selecting a first and a second search regions from the first and second images, respectively, the first and second search regions at least partially overlapping with each other along a first direction; dividing each of the first and second search regions into a plurality of equally-sized pixel blocks; moving the first and second images toward each other along the first direction using the pixel blocks as a step size, until each of the first and second search regions has been traversed; after each movement, determining a pixel difference value representing a difference between all overlapping pixel blocks of the first search region and the second search region; determining an optimal block-matching position for the first and second images based on the pixel difference value; and stitching the first and second images according to the optimal block-matching position.

System and method for stitching images

Methods and apparatus for automatically synthesizing images are disclosed. The methods may include receiving a plurality of input frames with a common background. The methods may also include determining a number of the input frames. The methods may also include selecting, based on the number, a method to detect foregrounds of the input frames. The methods may further include using the selected method to generate an output frame comprising a combination of a plurality of the foregrounds.

Automatic image synthesis method

A device for previewing a video includes a memory device configured to store instructions, and one or more processors configured to execute the instructions to receive a video captured by a camera and analyze the video. The one or more processors are also configured to detect a special event from the analysis of the video. The special event includes at least one of an object, a moving object, or a sound detected in the video. The one or more processors are further configured to extract, from the video, at least one of a video preview frame or audio segment corresponding to the special event, and generate a preview video including the at least one of the video preview frame or audio segment corresponding to the special event.

System and method for previewing video

A method for presenting a preview of a video includes receiving a plurality of video preview frames and information relating to a special event detected in the video. The plurality of video preview frames are extracted from the video. The special event is identified from an analysis of the video, and includes at least one of an object, a moving object, or a sound detected in the video. The method further includes displaying at least one of the received plurality of video preview frames, and displaying an indicator indicating the special event.

System and method for video preview

A device includes a memory configured to store instructions and a processor configured to execute the instructions to obtain image data of a region of interest included in an image frame. The processor may also be configured to compare the image data of the region of interest with image data of a background to detect a change in the region of interest. The processor may further be configured to detect the object in image frame based on the detected change.

System and method for detecting and tracking a moving object

Systems and methods for detecting a security threat over a network are provided. The system comprises a microphone configured to capture acoustic signals; a hardware interface configured to generate data samples from the acoustic signals; a memory storing a plurality of instructions; and a hardware processor configured to execute the instructions to: determine information indicative of a rate of intensity variation of the acoustic signals; and determine, based on the information, whether to transmit the data samples to a remote server. The hardware processor is also configured to, after determining to transmit the data samples to the remote server, generate data packets that include the data samples, and transmit the data packets to the remote server. The remote server can then reconstruct the data samples from the data packets and, if the data samples indicates a security threat, transmit a warning signal to a monitoring device.

Systems and methods for hierarchical acoustic detection of security threats

Traffic-counting methods and apparatus are disclosed. The methods may include, in a view of traffic comprising moving objects, identifying first and second regions of interest (ROIs). The methods may also include obtaining first and second image data respectively representing the first and second ROIs. The methods may also include analyzing the first and second image data over time. The methods may further include, based on the analyses of the first and second image data, counting the moving objects and determining moving directions of the moving objects.

Growing community of inventors

Shanghai, China

Lili Zhao