Boe Technology Group Co., Ltd.

Bingchuan Shi

Yue Li

Jibo Zhao

Ruibin Xue

Guangwei Huang

Hao Chen

Yong Qiao

Xinyin Wu

Yuxin Zhang

Naifu Wu

Dan Zhu

Tong Liu

Xingxing Zhao

Hao Fang

Fengshuo Hu

Rui Zheng

Xingchen Liu

Baoyin Yang

The present disclosure discloses a media monitoring method, apparatus and system. The method includes: obtaining image information of a program verification region in a display frame of a currently monitored display screen, wherein the program verification region is configured to display verification information corresponding to a current program that should be broadcast on the display screen; identifying the image information to determine actual display information representing a current actually-broadcast program; and performing verification on the actual display information according to the verification information, and determining that the display screen broadcasts normally if the verification is passed, or determining that the display screen does not broadcast normally if the verification is failed.

Media monitoring method, apparatus and system

A display device and a vehicle including the display device, a vehicle-mounted display system and a method of manufacturing a holographic lens are provided. The display device includes a display array generation device and a first lens layer. The display array generation device is configured to provide a plurality of collimated light beams parallel to each other and spaced from each other; the first lens layer is arranged at a light exiting side of the display array generation device. The first lens layer includes a plurality of first microlenses arranged in array, and is configured to receive a plurality of collimated light beams. The plurality of collimated light beams correspond to the plurality of first microlenses, to achieve a plurality of scanning imaging, respectively. The display device can be applied to head-up display systems.

Display device, vehicle-mounted display system, vehicle and manufacturing method of holographic lens

The monitoring device of the disclosure includes a carrying unit having at least one carrying area for carrying a monitored object, at least part of the carrying area is provided with a corresponding image capturing unit and a corresponding optical path adjusting unit; the image capturing unit captures a monitoring image of the carrying area, each image capturing unit has a preset field of view, each image capturing unit forms the monitoring image according to light incident from the field of view; at least part of the carrying area is an extension area, the extension area is positioned outside the field of view of the image capturing unit; the optical path adjusting unit enables the light emitted from the extension area of the carrying area corresponding thereto to enter the image capturing unit from the field of view of the image capturing unit corresponding to the carrying area.

Monitoring device and monitoring method

An object behavior analysis method includes: acquiring multiple frames of images to be processed from a video of a target scene; detecting at least one first-type object in any frame of image to be processed, and determining key point information of any first-type object; determining key point merging information of any first-type object in a present image according to key point information of first-type objects in the present image and a reference image group, the present image being any frame of image to be processed during present processing, and the reference image group including at least one frame of image to be processed before the present image; and determining a behavior analysis result of any first-type object in the present image according to the key point merging information of the first-type object in the present image.

Object behavior analysis method, information display method, and electronic device

There is provided a method for adjusting white balance of a spliced screen, which includes: acquiring an image to be analyzed; the image to be analyzed includes a picture, to be analyzed, displayed by a display screen to be adjusted, and the display screen to be adjusted is at least a portion of all display screens of the spliced screen; and determining a white balance adjustment mode of the display screen, to be adjusted, corresponding to the picture to be analyzed according to at least the picture to be analyzed in the image to be analyzed.

Method and device for adjusting white balance of spliced screen, electronic device and storage medium

A method and apparatus for recognizing an imaged information-bearing medium, a computer-readable storage device and a computer device are provided. The method comprising: acquiring a first image of the imaged information-bearing medium; performing text recognition on the first image to acquire a text content of the imaged information-bearing medium; classifying the imaged information-bearing medium to acquire a type of the imaged information-bearing medium; and archiving the text content according to the type.

Method and apparatus for recognizing imaged information-bearing medium, computer device and medium

A character recognition method includes: performing feature extraction on an image to be recognized to obtain a first feature map; processing the first feature map to at least obtain N first candidate carrier detection boxes, each first candidate carrier detection box being configured to outline a region of a character carrier; screening the N first candidate carrier detection boxes to obtain K first target carrier detection boxes; performing a feature extraction on the first feature map to obtain a second feature map; processing the second feature map to obtain L first candidate character detection boxes, each first candidate character detection box being configured to outline a region containing at least one character; screening the L first candidate character detection boxes to obtain J first target character detection boxes; and recognizing characters in the J first target character detection boxes to obtain J target character informations.

Character recognition method and terminal device

The present disclosure provides an answer evaluation method, an answer evaluation system, an electronic device, and a medium. The method comprises: acquiring an answer image, for a test paper answered by a use; classifying the answer image based on a pre-trained test question classification model, so as to obtain an objective question answer area and a subjective question answer area; identifying at least one objective question in the objective question answer area and an objective question answers for each of the at least one objective question; identifying at least one subjective question in the subjective question answer area and a subjective question answers for each of the at least one subjective question; and determining a total score value of the test paper based on the objective question, the objective question answer, the subjective question and the subjective question answer.

Answer evaluation method, answer evaluation system, electronic device, and medium

A two-dimensional holographic image projection display method. The method includes illuminating a first modulating part of a spatial light modulator with a first incident light beam at a first incident angle with respect to a direction normal to a main surface of the spatial light modulator to form a first projection region on an imaging plane; and illuminating a second modulating part of the spatial light modulator with a second incident light beam at a second incident angle with respect to the direction normal to the main surface of the spatial light modulator to form a second projection region on the imaging plane. The first projection region abuts or partially overlaps with the second projection region at an interface substantially parallel to a lateral direction of the spatial light modulator.

Two-dimensional holographic image projection display method and apparatus

Disclosed are a holographic display method and a holographic display device. The holographic display method includes: acquiring an area of Nth diffraction order corresponding to an eye position; according to the area of Nth diffraction order, calculating a holographic complex amplitude distribution corresponding to a window of Nth diffraction order to obtain window hologram information, a function of the holographic complex amplitude distribution being expressed by C(m,n)=A(m,n)*exp[&#x2212;i&#x3c6;(m,n)/N]; encoding the window hologram information; and according to the encoded window hologram information, loading the encoded window hologram information in the area of Nth diffraction order to display a hologram.

Holographic display method and holographic display device

A light modulating device for a display apparatus includes a light source, and a light modulator including a point illumination source part and a light transmitting part. The point illumination source part is substantially surrounded by the light transmitting part. The point illumination source part is configured to receive polarized light from the light source to form a point illumination source. The point illumination source transmits the polarized light from the light source to a reflective display panel. The light transmitting part is configured to receive light reflected by the reflective display panel and configured to transmit light reflected by the reflective display panel to a light beam collector.

Light modulating device for display apparatus, display apparatus, method of image display

The present disclosure relates to a floating display device and a method for a floating display device to indicate a touch position. The floating display device includes a touch marking unit. The floating display device is configured to generate a floating image in a floating imaging region, and the touch marking unit is configured to project a touch mark for marking an area where a touch object intersects the floating imaging region.

Floating display device and method for a floating display device to indicate touch position

A backlight module, a spatial light modulator, a holographic display device and a holographic display method therefor are disclosed. The backlight module includes: a light source; an optical conversion element arranged to face the light source and configured to convert a light beam emitted by the light source into coherent collimated light; and a light switch layer disposed at a side of the optical conversion element away from the light source. The optical conversion element includes a plurality of sub-optical conversion regions. The light switch layer includes a plurality of sub-light switches, the plurality of sub-light switches and the plurality of sub-optical conversion regions being disposed in one-to-one correspondence.

Backlight module, spatial light modulator, holographic display device and holographic display method therefor

An imaging module, including a lens and a transmissive display panel disposed adjacent to each other, and a controller electrically connected to the transmissive display panel, the controller loading a white image on a preset area of the transmissive display panel so that a light beam passes through the preset area. A light beam gating control method, a testing apparatus and method for an imaging module are further provided.

Imaging module, defocus testing device and method, and beam gating control method

The disclosure discloses an on-vehicle display system including an instrument panel and a display device, where the instrument panel is provided with a protection housing, which is a curved structure recessed toward the instrument panel; the display device is configured to emit light rays of a displayed image; and the protection housing is configured to transmit light exiting from the instrument panel, and to receive and reflect the light rays exiting from the display device to eyes of a driver.

Growing community of inventors

Beijing, China

Bingchuan Shi