CN113784076A - Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test - Google Patents
Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test Download PDFInfo
- Publication number
- CN113784076A CN113784076A CN202111344215.1A CN202111344215A CN113784076A CN 113784076 A CN113784076 A CN 113784076A CN 202111344215 A CN202111344215 A CN 202111344215A CN 113784076 A CN113784076 A CN 113784076A
- Authority
- CN
- China
- Prior art keywords
- test
- hard disk
- downloading
- video
- wind tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract 15
- 238000000034 method Methods 0.000 title claims abstract 12
- 230000001360 synchronised effect Effects 0.000 claims abstract 3
- 239000000284 extract Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a synchronous and automatic downloading device and method for a wind tunnel test multi-point monitoring video. The downloading device and the downloading method utilize a hardware alarm input port on a hard disk video recorder of a monitoring system to be directly connected with a switching value output port of a PLC controller of a control system, set and reset alarm variables of the monitoring system, and further serve as a basis for determining the starting time and the ending time of a test. The mainstream hard disk video recorders in the market are all provided with hardware alarm input ports, and during implementation, only one passive switching value output port in a test state needs to be provided by a control system PLC (programmable logic controller), and the switching value output port is directly connected with the alarm input ports of the hard disk video recorders. By configuring the rules, the camera point locations needing to download and store the videos can be selected in a targeted manner, and the automatically stored paths are designated. The device is extremely low in cost, the method is easy to realize, reliability and safety are both considered, the practicability is achieved, and the wind tunnel test efficiency is improved, and the auxiliary test analysis effect is obvious.
Description
Technical Field
The method belongs to the technical field of wind tunnel tests, and particularly relates to a device and a method for synchronously and automatically downloading a multi-point monitoring video for a wind tunnel test.
Background
The wind tunnel test has high operation cost and outstanding safety risk, and data generated in each test must be recorded and archived as a basis for analyzing test results and tracing test abnormity. The video monitoring video of the process equipment can visually reflect the real-time working state of the process equipment, and is indispensable important data for wind tunnel test analysis. After each test is finished, an operator needs to manually select the cameras, input time periods and file names one by one on an operation interface of the monitoring system management host, extract monitoring videos of corresponding process equipment from the hard disk video recorder and store the monitoring videos into a designated folder. Because the number of devices involved in the wind tunnel test is large, especially some large-scale special wind tunnels, the number of the monitoring camera point positions needing to be downloaded is possibly dozens of, the time consumption of the process of manually exporting the video is long, tens of minutes are needed, and a test analyst hopes that the video of the device can be immediately called and checked after the test is finished, so that the follow-up processing can be determined as soon as possible, and the wind tunnel test quality and the device safety can be ensured. Moreover, after the test (especially after the wind tunnel runs abnormally), the working atmosphere is tense, and when an operator downloads the video manually, operation errors such as time period selection, file naming and the like easily occur, so that the operation is often required to be performed again and checked again, and the overall progress of the post-test processing is further influenced.
At present, it is necessary to develop a synchronous and automatic downloading device and method for a wind tunnel test multi-point monitoring video.
Disclosure of Invention
The invention aims to solve the technical problem of providing a synchronous automatic downloading device for a wind tunnel test multi-point monitoring video, and the invention aims to solve the other technical problem of providing a synchronous automatic downloading method for the wind tunnel test multi-point monitoring video.
The invention relates to a synchronous automatic downloading device for a multi-point monitoring video for a wind tunnel test, which is characterized in that the downloading device comprises a switching value output port of a PLC (programmable logic controller) of a control system of a wind tunnel, a hard disk video recorder, a switch, a monitoring system management host and a plurality of cameras which are distributed on the wind tunnel site and used for shooting process equipment;
the switching value output port is connected with the alarm input port of the hard disk video recorder in a passive contact mode through a signal line, the hard disk video recorder is connected with the switch through a network cable, the switch is respectively connected with the plurality of cameras through the network cable, and the monitoring system management host is connected with the switch through the network cable;
the monitoring system management host is provided with and runs an automatic downloading background program, a plurality of cameras are selected through a program interface, the video is synchronously recorded with the wind tunnel test, and images shot by the cameras are named and stored in the hard disk video recorder respectively.
The invention discloses a synchronous automatic downloading method of a wind tunnel test multi-point monitoring video, which comprises the following steps:
s1, an operator starts an automatic downloading background program on a monitoring system management host, checks a downloading configuration rule, and changes the downloading configuration rule according to needs, wherein the downloading configuration rule comprises the following steps: the method comprises the steps that the position of a camera point of a video camera needing to be extracted, the starting time and the ending delay time of video downloading, naming rules and a storage path of a video file of the video camera are extracted, and if the designated storage path does not exist, the storage path is automatically established; the naming rule divides the file name into a prefix, a main part and a suffix from front to back;
s2, starting a wind tunnel by an operator to start a test;
s3, a control system PLC is connected with a switching value output port in a test state, an internal circuit of the hard disk video recorder is circularly scanned, a signal line led out from the switching value output port is confirmed to be connected with an alarm input port loop of the hard disk video recorder, then an alarm variable is set, and the set state is true;
s4, circularly scanning the alarm variable of the hard disk video recorder by an automatic downloading background program of the monitoring system management host through a software interface of the system, recording the moment as test starting time by the automatic downloading background program when the situation that the setting state of the alarm variable is changed from false to true is inquired, and starting shooting the corresponding process equipment by a plurality of cameras;
s5, after the wind tunnel test is finished, the PLC of the control system disconnects the switching value output port in the test state, the internal circuit of the hard disk video recorder circularly scans, the signal wire led out from the switching value output port is confirmed to be disconnected with the alarm input port loop of the hard disk video recorder, then the alarm variable is reset, and the setting state is false;
s6, circularly scanning the alarm variable of the hard disk video recorder by an automatic downloading background program of the monitoring system management host through a software interface of the system, recording the moment as the test ending time when the situation that the setting state of the alarm variable is changed from true to false is inquired, and continuously shooting the corresponding process equipment by a plurality of cameras;
s7, starting internal timing by an automatic downloading background program of the monitoring system management host, continuously shooting the corresponding process equipment by the plurality of cameras, waiting for the ending delay time to arrive, closing the plurality of cameras, and ending shooting the corresponding process equipment;
s8, the automatic downloading background program of the monitoring system management host extracts the video data of each camera stored in the hard disk video recorder one by using an interface function provided by the monitoring system according to a downloading configuration rule, converts the video data into a video file, and stores the converted video file into a storage path according to a naming rule until all the video data of each camera are downloaded and stored;
and S9, calling video data of relevant process equipment in the test by a test analyst according to the storage path, and performing playback analysis.
The invention discloses a device and a method for synchronously and automatically downloading a multi-point monitoring video in a wind tunnel test. When the wind tunnel test starts, the switching value of the test state of the PLC of the control system is switched on, and after the internal circuit of the digital video recorder detects that the loop of the alarm input port is switched on, the alarm variable is set to be true; when the test is finished, the switching value of the test state of the PLC of the control system is disconnected, and correspondingly, the hard disk video recorder sets the alarm variable to be false.
Running an automatic downloading background program on a management host of the monitoring system, circularly scanning and inquiring an alarm variable of the hard disk video recorder through a software interface of the system, recording the current moment as the test starting time when the alarm variable is inquired to be changed from false to true, and recording the current moment as the test ending time when the alarm variable is inquired to be changed from true to false. And then automatically downloading a background program to automatically extract the video data of the cameras of the relevant point positions one by one according to the starting time and the ending time of the test, generating a video file, and storing the video file in a specified storage path.
Through the operation interface of the automatic downloading background program, an operator can modify the downloading configuration rule, including: the contents of the video camera point location (corresponding to the unique IP address) and the corresponding name, the video downloading start time and end delay time, the naming rule and the storage path of the video camera file and the like of the video camera need to be extracted. After the automatic downloading background program is started, the automatic downloading background program can reside in the background, and no extra attention of an operator is needed. After the setting of the configuration rule is changed, the automatic downloading background program can be automatically saved and immediately started, and can also be saved for later calling, so that the operation is very convenient.
When the background program configuration rule is automatically downloaded, the camera point position needing to be downloaded and stored with the video can be selected in a targeted manner, and the object to be concerned is determined; the main trunk of the video file name corresponding to each downloaded camera can be in the modes of 'camera name + IP', 'IP address + start time _ end time' and the like, and prefixes and suffixes can be added and automatic naming can be carried out, so that a user can quickly and intuitively view the required video file; the start time and the end time of video downloading can be relative to the start time and the end delay time of the test, and the information of the relevant time periods before/after the test can be expanded or simplified according to the actual needs; the downloaded video files can be selectively stored into main stream formats such as MP4, MPG and the like, so that the communication is convenient; the storage path of the video file can be further appointed, an actual storage folder is automatically and newly built at the next stage of the storage path after each test, the actual storage folder is named according to the storage path and the test starting time, and the test starting time is accurate to seconds, so that the file renaming conflict is effectively avoided, and the retrieval of the historical test video is facilitated.
In short, the device and the method for synchronously and automatically downloading the multi-point monitoring video in the wind tunnel test utilize a hardware alarm input port on a hard disk video recorder of a monitoring system to be directly connected with a switching value output port of a PLC controller of a control system, set and reset an alarm variable of the monitoring system, and further serve as a basis for determining the start time and the end time of the test. At present, mainstream hard disk video recorders in the market are provided with hardware alarm input ports, so the device and the method for synchronously and automatically downloading the multi-point monitoring video for the wind tunnel test have strong universality. When the test device is implemented, only one passive switching value output port of the test state is provided by the PLC of the control system, and the switching value output port is directly connected with the alarm input port of the digital video recorder. The device is extremely low in cost, the method is easy to realize, reliability and safety are both considered, the practicability is achieved, and the wind tunnel test efficiency is improved, and the auxiliary test analysis effect is obvious.
Drawings
FIG. 1 is a schematic structural diagram of a wind tunnel test multi-point monitoring video synchronous automatic downloading device of the present invention;
FIG. 2 is an automatic download background program interface in the wind tunnel test multipoint monitoring video synchronous automatic download device of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the synchronous and automatic downloading device for multipoint monitoring videos in a wind tunnel test of the present embodiment includes a switching value output port of a PLC controller of a control system of a wind tunnel, a hard disk video recorder, a switch, a monitoring system management host, and a plurality of cameras distributed on a wind tunnel site and used for shooting process equipment;
the switching value output port is connected with the alarm input port of the hard disk video recorder in a passive contact mode through a signal line, the hard disk video recorder is connected with the switch through a network cable, the switch is respectively connected with the plurality of cameras through the network cable, and the monitoring system management host is connected with the switch through the network cable;
the monitoring system management host is provided with and runs the automatic downloading background program shown in fig. 2, a plurality of cameras are selected through a program interface, the video is synchronously recorded with the wind tunnel test, and images shot by the cameras are named and stored in the hard disk video recorder respectively.
In the early test preparation stage, the sealing devices of a plurality of valves of the wind tunnel are replaced, the heater piezometer tube is designed, processed and installed again, the process equipment is an object focused on monitoring in the test, and if burning loss occurs, medium leakage is caused, and accidents are likely to be caused. After the test is finished, because the medium cannot be completely leaked back immediately, personnel cannot confirm the state of the process equipment on site, and the state of the equipment must be quickly researched and judged through the video recording of the process equipment so as to determine whether to immediately start the safety measures such as fire control and the like. Before the test, the focus area of the relevant camera is adjusted to an ideal position to prepare for the test.
The implementation process of this embodiment is as follows:
s1, an operator starts an automatic downloading background program on a monitoring system management host, configuration is modified, and related cameras (valve area guns 1# -5 #, heater ball machines 6# -8 #) for replacing sealed valves and heater pressure-measuring tubes are added into a camera list needing automatic video downloading. Setting the video recording start time to be 0 second, setting the end delay time to be 15 seconds, and keeping the naming rule (camera name) and the saving path (d \ FD \ video monitoring data) of the video recording file of the camera unchanged;
s2, starting the wind tunnel by an operator to start the test (the time is 45 minutes and 10 seconds at 8 months, 10 days, 16 days in 2021);
s3, a control system PLC is connected with a switching value output port in a test state, an internal circuit of the hard disk video recorder is circularly scanned, a signal line led out from the switching value output port is confirmed to be connected with an alarm input port loop of the hard disk video recorder, then an alarm variable is set, and the set state is true;
s4, the automatic downloading background program of the monitoring system management host circularly scans the alarm variable of the hard disk video recorder through a software interface of the system, inquires that the setting state of the alarm variable is changed from false to true, records the moment (2021-08-10, 16:45: 10) as the starting time of the test, and a plurality of cameras start to shoot the corresponding process equipment respectively;
s5, about 30 seconds after the test is started, an operator finds that white fog-shaped spray appears at the joint of the heater piezometer tube and the sensor through monitoring video, the test is stopped suddenly by hand, the wind tunnel test is finished (at the moment, the time is 8 months and 10 days in 2021, and 45 minutes and 40 seconds in 16 hours), and the plurality of cameras continue to shoot the corresponding process equipment; the PLC controller of the control system disconnects a switching value output port in a test state, the internal circuit of the hard disk video recorder performs circular detection, a signal wire led out from the switching value output port is confirmed to be disconnected with a loop of an alarm input port of the hard disk video recorder, then an alarm variable is reset, and a set state is false;
s6, the automatic downloading background program of the monitoring system management host circularly scans the alarm variable of the hard disk video recorder through a software interface of the system, inquires that the setting state of the alarm variable is changed from true to false, and records the time (2021-08-10, 16:45: 40) as the test ending time;
s7, starting internal timing by an automatic downloading background program of the monitoring system management host, continuously shooting the corresponding process equipment by the plurality of cameras, waiting for finishing the delay time to reach (the time is 45 minutes and 55 seconds at 16 days of 8 months and 10 months in 2021), closing the plurality of cameras, and finishing shooting the corresponding process equipment;
s8, an automatic downloading background program of a monitoring system management host establishes a lower file folder (d: \ FD \ video monitoring data \20210810164510, wherein 20210810164510 represents the starting time of the test, i.e. 10 days at 8 months and 10 days at 2021 and 45 minutes and 10 seconds at 16) in a storage path, extracts the video data of all cameras stored in the hard disk video recorder one by using an interface function provided by the monitoring system, converts the video data into a video file in an MPG format, stores the video file into the newly established file folder, the video file comprises videos of a valve area gun machine 1# -5 # camera and a heater ball machine 6# -8 #, and the starting time and the ending time of the stored video file are respectively: 45 minutes 10 seconds at 16.8.10.2021 and 45 minutes 55 seconds at 16.8.10.2021 (15 seconds later than the test completion time);
s9, a test analyst enters a folder (d: FD \ video monitoring data \ 2021081016450) of a monitoring system management host through a network, and can immediately find video files such as a heater ball machine 6#, a heater ball machine 7#, an heater ball machine 8#, mpg and the like, wherein the heater ball machine 7# is looking at the jet direction of a heater piezometer tube, the test analyst opens the heater ball machine 7#, positions the video files to a position 45 minutes and 40 seconds 16 days 8 months 10 months in 2021, plays back and observes, finds that jet basically stops after the wind tunnel stops for 5 seconds (45 minutes and 45 seconds 16 hours), and no obvious ablation signs such as redness exist around the connection position of the piezometer tube and a sensor, judges that the wind tunnel stops emergently, and equipment has no accident potential, decides to execute a normal process after the test, and does not need special measures.
Although the embodiments of the present invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, but it can be applied to various fields suitable for the present invention. Additional modifications and refinements of the present invention will readily occur to those skilled in the art without departing from the principles of the present invention, and therefore the present invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (2)
1. A wind tunnel test multipoint monitoring video synchronous automatic downloading device is characterized in that the downloading device comprises a switching value output port of a PLC (programmable logic controller) of a wind tunnel control system, a hard disk video recorder, a switch, a monitoring system management host and a plurality of cameras which are distributed on a wind tunnel site and used for shooting process equipment;
the switching value output port is connected with the alarm input port of the hard disk video recorder in a passive contact mode through a signal line, the hard disk video recorder is connected with the switch through a network cable, the switch is respectively connected with the plurality of cameras through the network cable, and the monitoring system management host is connected with the switch through the network cable;
the monitoring system management host is provided with and runs an automatic downloading background program, a plurality of cameras are selected through a program interface, the video is synchronously recorded with the wind tunnel test, and images shot by the cameras are named and stored in the hard disk video recorder respectively.
2. The downloading method of the wind tunnel test multipoint monitoring video synchronous automatic downloading device according to claim 1, wherein the downloading method comprises the following steps:
s1, an operator starts an automatic downloading background program on a monitoring system management host, checks a downloading configuration rule, and changes the downloading configuration rule according to needs, wherein the downloading configuration rule comprises the following steps: the method comprises the steps that the position of a camera point of a video camera needing to be extracted, the starting time and the ending delay time of video downloading, naming rules and a storage path of a video file of the video camera are extracted, and if the designated storage path does not exist, the storage path is automatically established; the naming rule divides the file name into a prefix, a main part and a suffix from front to back;
s2, starting a wind tunnel by an operator to start a test;
s3, a control system PLC is connected with a switching value output port in a test state, an internal circuit of the hard disk video recorder is circularly scanned, a signal line led out from the switching value output port is confirmed to be connected with an alarm input port loop of the hard disk video recorder, then an alarm variable is set, and the set state is true;
s4, circularly scanning the alarm variable of the hard disk video recorder by an automatic downloading background program of the monitoring system management host through a software interface of the system, recording the moment as test starting time by the automatic downloading background program when the situation that the setting state of the alarm variable is changed from false to true is inquired, and starting shooting the corresponding process equipment by a plurality of cameras;
s5, after the wind tunnel test is finished, the PLC of the control system disconnects the switching value output port in the test state, the internal circuit of the hard disk video recorder circularly scans, the signal wire led out from the switching value output port is confirmed to be disconnected with the alarm input port loop of the hard disk video recorder, then the alarm variable is reset, and the setting state is false;
s6, circularly scanning an alarm variable of the hard disk video recorder by an automatic downloading background program of the monitoring system management host through a software interface of the system, and recording the moment as test ending time by the automatic downloading background program when the situation that the setting state of the alarm variable is changed from true to false is inquired;
s7, starting internal timing by an automatic downloading background program of the monitoring system management host, continuously shooting the corresponding process equipment by the plurality of cameras, waiting for the ending delay time to arrive, closing the plurality of cameras, and ending shooting the corresponding process equipment;
s8, the automatic downloading background program of the monitoring system management host extracts the video data of each camera stored in the hard disk video recorder one by using an interface function provided by the monitoring system according to a downloading configuration rule, converts the video data into a video file, and stores the converted video file into a storage path according to a naming rule until all the video data of each camera are downloaded and stored;
and S9, calling video data of relevant process equipment in the test by a test analyst according to the storage path, and performing playback analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111344215.1A CN113784076B (en) | 2021-11-15 | 2021-11-15 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111344215.1A CN113784076B (en) | 2021-11-15 | 2021-11-15 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113784076A true CN113784076A (en) | 2021-12-10 |
| CN113784076B CN113784076B (en) | 2022-01-21 |
Family
ID=78873832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111344215.1A Active CN113784076B (en) | 2021-11-15 | 2021-11-15 | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113784076B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008276131A (en) * | 2007-05-07 | 2008-11-13 | Matsushita Electric Ind Co Ltd | Camera system |
| EP2645163A1 (en) * | 2012-01-18 | 2013-10-02 | Canon Kabushiki Kaisha | Interchangeable lens and camera system |
| CN104458202A (en) * | 2014-12-12 | 2015-03-25 | 中国航天空气动力技术研究院 | Method for obtaining shooting recording time in launching type wind tunnel free flight test |
| CN104918018A (en) * | 2015-06-12 | 2015-09-16 | 广州朗华汽车电子科技有限公司 | Video monitoring system for internet of things |
| CN105282521A (en) * | 2015-11-21 | 2016-01-27 | 浙江宇视科技有限公司 | Method and device for detecting motion during IP camera cruising process |
| CN108106808A (en) * | 2017-12-15 | 2018-06-01 | 苏州科伊嘉航空科技有限公司 | A kind of movable wind tunnel device |
| CN208283358U (en) * | 2018-05-11 | 2018-12-25 | 大连庆鸿科技有限公司 | A kind of device convenient for ship equipment inspection |
| CN109327680A (en) * | 2018-09-21 | 2019-02-12 | 北京世纪东方国铁科技股份有限公司 | Multi-path video data concurrently stores and read method |
| CN111447368A (en) * | 2020-05-16 | 2020-07-24 | 长沙全度影像科技有限公司 | A free-view image acquisition system |
-
2021
- 2021-11-15 CN CN202111344215.1A patent/CN113784076B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008276131A (en) * | 2007-05-07 | 2008-11-13 | Matsushita Electric Ind Co Ltd | Camera system |
| EP2645163A1 (en) * | 2012-01-18 | 2013-10-02 | Canon Kabushiki Kaisha | Interchangeable lens and camera system |
| CN104458202A (en) * | 2014-12-12 | 2015-03-25 | 中国航天空气动力技术研究院 | Method for obtaining shooting recording time in launching type wind tunnel free flight test |
| CN104918018A (en) * | 2015-06-12 | 2015-09-16 | 广州朗华汽车电子科技有限公司 | Video monitoring system for internet of things |
| CN105282521A (en) * | 2015-11-21 | 2016-01-27 | 浙江宇视科技有限公司 | Method and device for detecting motion during IP camera cruising process |
| CN108106808A (en) * | 2017-12-15 | 2018-06-01 | 苏州科伊嘉航空科技有限公司 | A kind of movable wind tunnel device |
| CN208283358U (en) * | 2018-05-11 | 2018-12-25 | 大连庆鸿科技有限公司 | A kind of device convenient for ship equipment inspection |
| CN109327680A (en) * | 2018-09-21 | 2019-02-12 | 北京世纪东方国铁科技股份有限公司 | Multi-path video data concurrently stores and read method |
| CN111447368A (en) * | 2020-05-16 | 2020-07-24 | 长沙全度影像科技有限公司 | A free-view image acquisition system |
Non-Patent Citations (1)
| Title |
|---|
| 陈杰春: ""基于三维视觉的风洞模型位姿参数测量技术研究"", 《中国博士学位论文全文数据库》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113784076B (en) | 2022-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4933354B2 (en) | Information processing apparatus and information processing method | |
| CN109961157B (en) | Inspection method and system of solar photovoltaic power generation system | |
| CN110850881A (en) | Off-line inspection system and method for inspection robot of transformer substation | |
| US6882962B2 (en) | Maintenance method and maintenance system for industrial machinery | |
| JP4349412B2 (en) | Monitoring device and monitoring method | |
| CN110121058A (en) | Based on the monitor video processing method and system in production and sort process | |
| US10523903B2 (en) | Computer implemented systems frameworks and methods configured for enabling review of incident data | |
| CN116580657A (en) | Fault detection method, device, equipment and computer readable storage medium | |
| CN113784076B (en) | Device and method for synchronously and automatically downloading multi-point monitoring video for wind tunnel test | |
| US8483608B2 (en) | Monitoring of network call activity in a satellite-based communication system | |
| CN112563970B (en) | Inspection method and related equipment for obstacle crossing robot of high-voltage transmission line | |
| CN113923401A (en) | Image analysis operation and maintenance implementation method and image analysis operation and maintenance system | |
| US12177574B2 (en) | Method and system for capturing images on super-large-scale power equipment based on free viewing angle | |
| CN112732978A (en) | Method and system for composing video material | |
| EP1850557A1 (en) | Electronic device and log-output method | |
| CN115242461B (en) | ROS safety test system and method for robot operating system | |
| CN105141946B (en) | The test system and method for a kind of monitoring camera | |
| CN113873201B (en) | System and method for reverse observation of beyond-visual-distance high point | |
| CN102256103B (en) | Application server and method for realizing camera control | |
| EP4411497A1 (en) | Control system | |
| CN116962607A (en) | Video data processing method and device, electronic equipment and storage medium | |
| CN113395235B (en) | IoT system remote testing method, system and equipment | |
| JPH0937139A (en) | Moving image photographing control method and moving image photographing system | |
| CN115278016A (en) | Infrared intelligent shooting method and device, infrared thermal imaging equipment and medium | |
| CN106375717A (en) | Inserting and wiring real-time tracking, monitoring and displaying system for engineering project |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |