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A data synchronization method, processor, and vehicle-mounted terminal

A technology of data synchronization and processor, which is applied in the direction of TV, color TV parts, TV system parts, etc. It can solve the problems of low time synchronization accuracy, maintain consistency, improve accuracy, and eliminate cumulative effect of error

Active Publication Date: 2021-11-30
BEIJING MOMENTA TECH CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

The temporally synchronized images and motion data obtained in this way have low temporal synchronization accuracy

Method used

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  • A data synchronization method, processor, and vehicle-mounted terminal
  • A data synchronization method, processor, and vehicle-mounted terminal
  • A data synchronization method, processor, and vehicle-mounted terminal

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Embodiment Construction

[0106] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0107] It should be noted that the terms "include" and "have" and any variations thereof in the embodiments of the present invention and the drawings are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally further includes For other steps or units inher...

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Abstract

The embodiment of the invention discloses a data synchronization method, a processor, and a vehicle-mounted terminal. The method includes: when the image acquisition device collects images according to the set first collection rule, determining the time stamp of the image collected by the image collection device; when the motion detection device collects motion data according to the set second collection rule, Determining the time stamp of the motion data collected by the motion detection device; wherein, the second collection rule and the first collection rule are: rules that make the data collection time of the image collection device and the data collection time of the motion detection device correlated. Applying the solutions provided by the embodiments of the present invention can improve the accuracy of time synchronization of images and motion data.

Description

technical field [0001] The invention relates to the technical field of automatic driving, in particular to a data synchronization method, a processor, and a vehicle-mounted terminal. Background technique [0002] In the field of machine vision, visual-inertial odometer (Visual-Inertial Odometry, VIO) technology combines image and motion data to provide a reliable data source for machine control in order to achieve various functions. For example, in the field of autonomous driving technology, images and motion data synchronized with high precision in time are required to achieve more precise control of the vehicle. Time-synchronized images and motion data refer to images and motion data collected at the same time. [0003] In related technologies, in order to obtain time-synchronized images and motion data, the images and motion data are usually collected separately, and then images and motion data with the same acquisition time are screened out. The temporally synchronized...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232H04N5/235
CPCH04N23/60H04N23/73
Inventor 侯俊捷
Owner BEIJING MOMENTA TECH CO LTD
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