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Data search, parser, and synchronization of video and telemetry data

A technology of telemetry data, video data, applied in the field of data

Active Publication Date: 2012-09-12
INTERGRAPH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The acquisition device may be located within the aircraft or attached to the aircraft

Method used

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  • Data search, parser, and synchronization of video and telemetry data
  • Data search, parser, and synchronization of video and telemetry data
  • Data search, parser, and synchronization of video and telemetry data

Examples

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Embodiment Construction

[0034] The term "module" as used herein shall mean a software component (eg, an object, a program block, a separate stand-alone program, etc.), a hardware component (a circuit such as an ASIC or FPGA), or a combination of software and hardware components. Modules may be located in separate locations or may be distributed across different locations.

[0035] Aerial surveyors including airplanes, helicopters and drones can be equipped with video recording equipment to record images of the Earth's surface including terrain, buildings, people and vehicles. Additionally, the aerial surveyor may include telemetry acquisition means for recording telemetry information at a predetermined series of times. Telemetry data may include information such as the location of aerial surveyors with respect to the ground. Some aerial surveyors are equipped with off-the-shelf telemetry acquisition as well as off-the-shelf video recording equipment. In such surveyors, the telemetry acquisition mea...

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Abstract

A system is provided that can parse both telemetry data and corresponding encoded video data wherein the telemetry and video data are subsequently synchronized based upon temporal information, such as a time stamp. The telemetry data and the video data are originally unsynchronized and the data for each is acquired by a separate device. The acquiring devices may be located within or attached to an aerial vehicle. The system receives the telemetry data stream or file and the encoded video data stream or file and outputs a series of synchronized video images with telemetry data. Thus, there is telemetry information associated with each video image. The telemetry data may be acquired at a different rate than the video data. As a result, telemetry data may be interpolated or extrapolated to create telemetry data that corresponds to each video image.; The present system operates in real not time, so that data acquired from aerial vehicles can be displayed on a map.

Description

[0001] priority [0002] This Patent Cooperation Treaty patent application claims priority to US Provisional Patent Application No. 61 / 252959, filed October 19, 2009, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to temporally locating data within a structured document or structured data stream, and more particularly to locating frames in temporal relation to frames within an encoded video sequence. Additionally, the present invention relates to systems and methods for synchronizing telemetry data with corresponding encoded video data and methods for parsing the data. Background technique [0004] Known in the prior art is MPEG encoded video, eg MPEG-2 encoded video. To provide some sort of search mechanism, DVD-Video divides the encoded video sequence into chapters. A user of a DVD system can move between chapters of a video program and can search by chapter, but the user cannot access a specific frame at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/04G01C21/32G06F17/30
CPCG06F16/9537G06F16/78G06F16/29G01C11/025H04N21/2146G01S5/16H04N21/43074H04N5/91H04N5/04G01C21/38
Inventor S·G·惠特克G·A·格林德斯塔夫R·K·谢尔顿W·D·霍维尔
Owner INTERGRAPH
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