Data synchronous reproduction apparatus, data synchronous reproduction method, and data synchronization control program

Patent metadata

Field	Value
Publication number	US-9384784-B2
Application number	US-201214380170-A
Country	US
Kind code	B2
Filing date	Mar 12, 2012
Priority date	Mar 12, 2012
Publication date	Jul 5, 2016
Grant date	Jul 5, 2016

Abstract

A data synchronous reproduction apparatus capable of synchronously reproducing image frames and numerical data at high speed, including: a data storage section configured to store image data including multiple image frames of monitored objects captured by cameras, and process data including multiple numerical data acquired from the monitored objects in time series; a program storage section configured to store a data synchronous control program configured to reproduce the image data and synchronously reproduce the image data and the process data on the basis of frame numbers and a frame period of the image frames and a sampling interval or record numbers of the numerical data; and a CPU configured to execute the data synchronous control program.

First claim

The invention claimed is:

1. A data synchronous reproduction apparatus comprising:
an image data storage section configured to store a plurality of image frames on which a monitored object is captured by a camera, together with a frame period of the image frames, as image data with frame numbers assigned to the image frames in time series;
a process data storage section configured to store data acquired from the monitored object and including a temporal change, and an elapsed time from a reference time point, collectively as process data;
an image data reproducer configured to output and reproduce the image data, stored in the image data storage section, on a monitor, and to output the frame number of the image frame to be reproduced; and
a data synchronous reproduction controller configured to calculate a relative time, from a first frame, of the image frame corresponding to the frame number outputted from the image data reproducer and to reproduce the image data on the monitor on the basis of the calculated relative time from the first frame.

2. The data synchronous reproduction apparatus according to claim 1 , wherein when a certain time point is specified for the process data displayed on the monitor, the data synchronous reproduction controller
calculates a relative time from the reference time point to the specified time point,
calculates the frame number on the basis of the calculated relative time and the frame period of the image frame,
outputs the calculated frame number to the image data reproducer, and
causes the image data reproducer to reproduce the image data having the calculated frame number.

3. The data synchronous reproduction apparatus according to claim 1 , further comprising:
a synchronous image frame selector configured to,
when a time period of data to be stored as a different file in the process data displayed on the monitor is specified by an external input,
calculate the frame number of the image frame corresponding to the specified time period on the basis of relative times of a head and an end of the specified time period from the reference time point, and the frame period of the image frame, and
select the image frame corresponding to the calculated frame number; and
a synchronous save controller configured to store the data corresponding to the time period specified by the external input, and the image frame selected by the synchronous image frame selector, collectively as the same file.

4. The data synchronous reproduction apparatus according to claim 1 , further comprising a screen layout setter configured to set an image data reproduction area in which the image data is displayed by the image data reproducer, and a process data reproduction area in which the process data is displayed by the data synchronous reproduction controller, on the monitor on the basis of the external input, and to set the number of records and the size of image data to be reproduced in the image data reproduction area within a predetermined condition.

5. A data synchronous reproduction method comprising:
an image data storing step of storing a plurality of image frames on which a monitored object is captured by a camera, together with a frame period of the image frames, in an image data storage section as image data with frame numbers assigned to the respective image frames in time series;
a process data storing step of storing data acquired from the monitored object and including a temporal change, and an elapsed time from a reference time point, in a process data storage section collectively as process data;
an image data reproducing step of outputting and reproducing the image data, stored in the image data storage section, on a monitor, and outputting the frame number of the image frame to be reproduced; and
a data synchronous reproduction controlling step of calculating a relative time, from a first frame, of the image frame corresponding to the frame number outputted in the image data reproducing step, and reproducing the image data on the monitor on the basis of the calculated relative time from the first frame.

6. The data synchronous reproduction method according to claim 5 , wherein the data synchronous reproduction controlling step includes: when a certain time point is specified for the process data displayed on the monitor,
calculating a relative time from the reference time point to the specified time point;
calculating the frame number on the basis of the calculated relative time and the frame period of the image frame;
outputting the calculated frame number; and
causing the image data having the calculated frame number to be reproduced in the image data reproducing step.

7. The data synchronous reproduction method according to claim 5 , further comprising:
a synchronous image frame selecting step of,
when a time period of data to be stored as a different file in the process data displayed on the monitor is specified by an external input,
calculating the frame number of the image frame corresponding to the specified time period on the basis of relative times of a head and an end of the specified time period from the reference time point, and the frame period of the image frame, and
selecting the image frame corresponding to the calculated frame number; and
a synchronous save controlling step of storing the data corresponding to the time period specified by the external input, and the image frame selected in the synchronous image frame selector, collectively as the same file.

8. The data synchronous reproduction method according to claim 5 , further comprising a screen layout setting step of setting an image data reproduction area in which the image data is displayed in the image data reproducing step, and a process data reproduction area in which the process data is displayed in the data synchronous reproduction controlling step on the monitor on the basis of the external input, and setting the number of records and the size of image data to be reproduced in the image data reproduction area within a predetermined condition.

Assignees

• Nojima Akira
• Toshiba Mitsubishi Elec Inc

Inventors

• Nojima Akira

Classifications

• G05B23/0272

  Presentation of monitored results, e.g. selection of status reports to be displayed; Filtering information to the user · CPC title

• G05B19/05

  Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts · CPC title

• H04N7/185 Primary

  from a mobile camera, e.g. for remote control · CPC title

• G11B27/3081 Primary

  used signal is a video-frame or a video-field (P.I.P) · CPC title

• H04N7/18 Primary

  Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast · CPC title