OMPI – Búsqueda en las colecciones de patentes nacionales e internacionales

1.WO/2023/196753DISPLAY DEVICES WITH IN-FIELD CALIBRATION

WO - 12.10.2023

Clasificación Internacional G02B 27/01 Nº de solicitud PCT/US2023/065112 Solicitante APPLE INC. Inventor/a CINCIONE, Dominic P

A head-mounted device may include a first display having a first projector and a first waveguide, a second display having a second projector and a second waveguide, first and second cameras, an optical sensor that couples the first waveguide to the second waveguide, and position sensors mounted to the first and second cameras and the optical sensor. The optical sensor may gather image sensor data from first image light propagating in the first waveguide and second image light propagating in the second waveguide. The cameras may capture real-world images. The position sensors may gather position measurements. Control circuitry may calibrate optical misalignment in the device by adjusting the first and/or second image light based on the image sensor data, the position measurements, and/or the world light.

2.WO/2023/103884OBJECT MODEL ESTABLISHMENT METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND STORAGE MEDIUM

WO - 15.06.2023

Clasificación Internacional G06T 17/00 Nº de solicitud PCT/CN2022/135983 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a SHUI, Guozhi

An object model establishment method and apparatus, and an electronic device and a storage medium. The method comprises: acquiring a plurality of sample images, each of which is collected by an image collection device and includes markers and a target object, wherein in the plurality of sample images, the markers are provided at a plurality of key points of the target object; respectively determining the positions of the markers in the sample images; acquiring pose information when the image collection device collects each sample image; for each sample image, determining the position, in a world coordinate system, of the marker in the sample image according to the pose information when the image collection device collects the sample image, and the position of the marker in the sample image; and establishing a three-dimensional sparse point cloud model of the target object according to the positions, in the world coordinate system, of the markers in the sample images. Therefore, automatic modeling of an object model is realized, such that the modeling workload can be reduced; and the scale of model data is small, the making difficulty is low, and the present invention is particularly suitable for application in an actual scenario.

3.WO/2023/125291IMAGE DISPLAY METHODS, APPARATUSES AND SYSTEM AND DEVICE

WO - 06.07.2023

Clasificación Internacional H04N 19/17 Nº de solicitud PCT/CN2022/141432 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a YU, Xiang

Disclosed in the embodiments of the present application are image display methods, apparatuses and system and a device. In the present application, a server device may generate a first image corresponding to a non-hidden region in an original image and a second image corresponding to a hidden region in the original image, and encrypt second coded data, which is obtained after encoding the second image, to obtain third encoded data, so that privacy information is prevented from being leaked in a transmission process of the second image. Then, when a client device receives first coded data obtained after encoding the first image, and the third coded data, the first coded data may be directly decoded to obtain the first image, so that even if the client device does not support hidden region display, normal display of the first image may be ensured; and if the client device is allowed to display the hidden region in the original image, the client device may obtain the second image according to the third coded data, generate the original image one the basis of the first image and the second image, and display the original image.

4.WO/2024/002264VIDEO PROCESSING DEVICE, PROGRESS BAR TIME UPDATING METHOD, APPARATUS, AND ELECTRONIC DEVICE

WO - 04.01.2024

Clasificación Internacional H04N 21/472 Nº de solicitud PCT/CN2023/104007 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a ZHANG, Junjie

Disclosed in the present application are a video processing device, a progress bar time updating method, an apparatus, and a storage medium. The video processing device is used for: in response to receiving a playback instruction, acquiring a program stream assigned by the playback instruction, the program stream being obtained by performing program stream packaging on an encoded video stream of shot original video data; decoding the program stream to obtain a decoded video stream, the decoded video stream comprising one or more video sequences, and each video sequence comprising a key frame and at least one target frame associated with the key frame; for any target video sequence among the one or more video sequences, determining the absolute time of the target frame on the basis of the absolute time of the key frame and the time interval between the key frame and the target frame, the absolute time being the actual recording time of the video picture corresponding to the video frame; and by means of the absolute time of the key frame and the absolute time of the target frame, determining the current playing time displayed on the playback progress bar when the decoded video stream is played back.

5.WO/2024/022450SCENE ADAPTABILITY IMPROVEMENT METHOD AND APPARATUS FOR OBJECT DETECTION, AND OBJECT DETECTION SYSTEM

WO - 01.02.2024

Clasificación Internacional G06V 20/52 Nº de solicitud PCT/CN2023/109613 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a ZHAO, Xin

Disclosed in the present application are a scene adaptability improvement method and apparatus for object detection, and an object detection system. The method comprises: obtaining a detection result of current object data; performing object feature extraction on the current object data; determining a degree of matching between each object feature and each feature in a feature library; comparing each degree of matching with a detection threshold bound with a matched feature, in the feature library, used for determining the degree of matching; and determining processing of the detection result according to the comparison result, wherein the feature library is a feature set of object data calibrated according to the detection result which indicates a false alarm or a missing alarm; and the detection threshold bound with each matched feature is adjusted along with a degree of matching between the matched feature and the object feature of the object data within a preset range. The present application facilitates the reduction of missing alarms and false alarms, and has high scene adaptability.

6.WO/2023/193525COURSE INFORMATION RECOGNITION

WO - 12.10.2023

Clasificación Internacional G06Q 50/20 Nº de solicitud PCT/CN2023/076846 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a FAN, Xunfeng

A course information recognition method, system and apparatus. The method comprises: performing bell recognition on each bell among a plurality of collected bells, so as to recognize whether each bell is a class start bell or a class end bell (101); and determining a class attending time period according to a bell recognition result, and determining course information corresponding to the class attending time period according to a facial recognition result of a teacher who is giving a lesson in a classroom within the class attending time period (102). In the method, bell recognition is combined with facial recognition, such that course information corresponding to a class attending time period can be dynamically recognized, and a class schedule applicable to an educational administration management system can be quickly and intelligently generated.

7.WO/2023/124598INTRUSION DETECTOR

WO - 06.07.2023

Clasificación Internacional G08B 13/19 Nº de solicitud PCT/CN2022/132012 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a XU, Haidong

An intrusion detector, comprising: a housing (100); a supporting frame (110) provided in the housing (100) and comprising a fixed portion (111) and a movable portion (112), the fixed portion (111) being connected to the movable portion (112), and the movable portion (112) rotating relative to the fixed portion (111); a detector body (300) provided on the movable portion (112); and an anti-shielding assembly (200) comprising a transmitter (210) and a receiver (220), the transmitter (210) being configured to transmit a detection signal used for detecting a shielding object, the receiver (220) being configured to receive a reflection signal formed by the reflection of the detection signal by the shielding object, and the transmitter (210) being provided on the movable portion (112).

8.WO/2024/051409METHOD AND APPARATUS FOR GENERATING ASYNCHRONOUS PROCESSING FLOW

WO - 14.03.2024

Clasificación Internacional G06F 13/42 Nº de solicitud PCT/CN2023/110914 Solicitante HANGZHOU HIKROBOT CO., LTD. Inventor/a HU, Bowei

The embodiments of the present application relate to the technical field of data processing. Provided are a method and apparatus for generating an asynchronous processing flow. The method comprises: connecting asynchronous processing components on the basis of the processing order of the asynchronous processing components that is configured by a user; determining target event signals selected by the user for a target processing component among the asynchronous processing components, and displaying identifiers of the target event signals in a first preset interface; determining a logical relationship between the target event signals that is configured by the user according to content displayed in the first preset interface; generating a running condition of the target processing component on the basis of the logical relationship and the target event signals; configuring the target processing component to receive the target event signals by means of an event receiving interface, and configuring the target processing component to run a data processing unit when the running condition is established; and according to a configuration result, generating a data file for performing data processing according to an asynchronous processing flow. By applying the solution provided in the embodiments of the present application, asynchronous processing components can be configured to realize asynchronous data processing.

9.WO/2024/244834CARRYING DEVICE

WO - 05.12.2024

Clasificación Internacional B66F 9/075 Nº de solicitud PCT/CN2024/089582 Solicitante HANGZHOU HIKROBOT CO., LTD. Inventor/a ZHANG, Yunlong

A carrying device, comprising a vehicle body (1), a telescopic arm (2) arranged on the vehicle body (1), a detection switch (5) arranged on the vehicle body (1), a trigger member (6), and a control device. The telescopic arm (2) comprises a bottom plate (21), a top plate (24), and a lifting mechanism (23) used for realizing relative vertical movement of the bottom plate (21) and the top plate (24). The trigger member (6) comprises an abutting portion (62) and a first trigger portion (61). When the lifting mechanism (23) drives the top plate (24) to move upwards relative to the bottom plate (21) and when the top plate (24) abuts against the abutting portion (62), the abutting portion (62) drives the first trigger portion (61) to trigger the detection switch (5) to send a signal to the control device, and the control device controls, according to the signal, the lifting mechanism (23) to stop driving the top plate (24) to move upwards so as to prevent the top plate (24) from continuing to rise to cause damage to the carrying device.

10.WO/2023/083263VIDEO ENCODING AND DECODING METHOD AND APPARATUS

WO - 19.05.2023

Clasificación Internacional H04N 19/63 Nº de solicitud PCT/CN2022/131167 Solicitante HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. Inventor/a CAO, Xiaoqiang

The present application relates to the technical field of video encoding and decoding, and discloses a video encoding and decoding method and apparatus, which are used for providing a new transformation method for current encoding and decoding technologies. The transformation method can improve the transformation flexibility. The use of the transformation method based on different dimensions can reduce the calculation complexity, reduce the calculation burden of a hardware device, reduce the hardware implementation complexity, and improve the compression performance. The decoding method comprises: performing entropy decoding and inverse quantization on a code stream to obtain an inverse transform unit; and performing discrete wavelet inverse transform on the inverse transform unit to obtain an inverse transform coefficient.

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