MOVING PICTURE PLAYBACK APPARATUS

• US 20030095789A1
• Filed: 01/08/2003
• Published: 05/22/2003
• Est. Priority Date: 07/11/1997
• Status: Active Grant

• Current Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Tanaka, Satoshi, Miyai, Akio, Kanda, Junshiro, Hisanaga, Satoshi, Nagahisa, Hiroto, Nakamura, Itsuji, Wakimoto, Koji
• Granted Patent: US 7,391,956 B2
• Time in Patent Office: Days
• US Class Current: 386/248
• CPC Class Codes: G11B 2220/20 Disc-shaped record carriers
• CPC Class Codes: G11B 2220/213 Read-only discs
• CPC Class Codes: G11B 2220/2512 Floppy disks
• CPC Class Codes: G11B 2220/2545 CDs
• CPC Class Codes: G11B 2220/90 Tape-like record carriers
• CPC Class Codes: G11B 27/005 Reproducing at a different information rate from the information rate of recording for television signals H04N5/783
• CPC Class Codes: G11B 27/024 on tapes G11B27/028, G11B27/029 take precedence
• CPC Class Codes: G11B 27/032 on tapes G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/034 on discs G11B27/036, G11B27/038 take precedence
• CPC Class Codes: G11B 27/102 Programmed access in sequence to addressed parts of tracks of operating record carriers access by moving the head G11B3/08, G11B5/54, G11B7/085, G11B21/022; by moving the record carrier G11B15/005, G11B17/005, by driving of both record carrier and head G11B15/1816
• CPC Class Codes: G11B 27/105 of operating discs
• CPC Class Codes: G11B 27/107 of operating tapes
• CPC Class Codes: G11B 27/11 by using information not detectable on the record carrier
• CPC Class Codes: G11B 27/28 by using information signals recorded by the same method as the main recording G11B27/22 takes precedence
• CPC Class Codes: G11B 27/34 Indicating arrangements indicating means incorporated in magazine or cassette G11B23/046 and G11B23/0875; indicating measured values in general G01D

Abstract

Based on the event detected by event detection unit 3, scene definition unit 4 defines the segment from the frame which is one screen of the moving picture corresponding to the event to the end of the next event as the scene The scene information of the defined scene is stored in scene information storage unit 5, and moving picture display unit 9 reads and displays the moving picture stored in moving picture storage unit 2 based on the scene information stored in scene information storage unit 5.

Claims

1. A moving picture playback apparatus, comprising:

a moving picture storage unit for storing a moving picture shot by a shooting device;

an event detection unit for detecting an event of one of a change in a shooting subject, the change in the shooting device, and an operation of a shooter during shooting, while shooting with the shooting device;

a scene definition unit for defining a segment, as a scene, separated by a frame which is a screen of the moving picture corresponding to an event and by a frame corresponding to a next event based on the event detected by the event detection unit;

a scene information storage unit for storing scene information of the scene defined by the scene definition unit;

a command input unit for inputting an instruction from a user; and

a moving picture display unit for reading and displaying the moving picture stored in the moving picture storage unit based on the instruction input by the command input unit and the scene information stored in the scene information storage unit.

2. The moving picture playback apparatus of claim 1, wherein the event detection unit detects, as the event, one of the change in a position of the shooting device, direction of the shooting device, and a lens condition during shooting.

3. The moving picture playback apparatus of claim 1, wherein the event detection unit detects, as the event, one of an operation of a scene start and an operation of a scene end of the shooter during shooting.

4. The moving picture playback apparatus of claim 1, further comprising:

an edit unit for reading the moving picture stored in the moving picture storage unit based on the instruction input by the command input unit and the scene information stored in the scene information storage unit, and processing, compositing, and concatenating the moving pictures to edit a new scene, and storing scene information of the new scene in the scene information storage unit; and

a moving picture creation unit for creating a moving picture for the new scene based on the scene information of the new scene stored in the scene information storage unit.

5. A moving picture playback apparatus, comprising:

a moving picture storage unit for storing a plurality of moving picture;

a scene definition unit for defining a segment in the moving picture stored in the moving picture storage unit as a scene;

a scene information storage unit for storing scene information of the scene defined by the scene definition unit;

a typical frame storage unit for storing a typical frame which represents the scene defined by the scene definition unit;

a typical frame determination unit for selecting the typical frame, which represents the scene, in the scene defined by the scene definition unit, reading the selected typical frame from the moving picture storage unit, and storing in the typical frame storage unit;

a command input unit for inputting an instruction from a user; and

a moving picture display unit for displaying the typical frame stored in the typical frame storage unit based on the instruction input by the command input unit.

6. The moving picture playback apparatus of claim 5, wherein the moving picture display unit displays the typical frame from the typical frame storage unit if the frame to be displayed is the typical frame, and displays the closest typical frame before the typical frame to be displayed from the typical frame storage unit if the frame to be displayed is not the typical frame.

7. The moving picture playback apparatus of claim 5, wherein the moving picture display unit displays the frame to be displayed from the moving picture storage unit if the frame to be displayed is not the typical frame when the instruction input from the command input unit is one of a stop, frame forward, and frame rewind.

8. The moving picture playback apparatus of claim 5, wherein the moving picture display unit displays the typical frame from the typical frame storage unit if the frame to be displayed is the typical frame when the instruction input from the command input unit is one of the stop, frame forward, and frame rewind.

9. The moving picture playback apparatus of claim 5, further comprising an event detection unit for detecting an event of one of a change in a shooting subject, the change in a shooting device, and an operation by a shooter during shooting with the shooting device, and

wherein the typical frame determination unit selects a frame corresponding to the event detected by the event detection unit as the typical frame of the scene including the frame.

10. The moving picture playback apparatus of claim 5, further comprising an edit unit for reading the moving picture stored in the moving picture storage unit, processes, composites, and concatenates the moving pictures based on the instruction input by the command input unit and the typical frame stored in the typical frame storage unit, and edits a new scene, and stores scene information of the new scene in the scene information storage unit, and a moving picture creation unit for creating a moving picture for the new scene based on the scene information of the new scene stored in the scene information storage unit.

11. A moving picture collection apparatus, comprising:

an event detection unit for detecting an event of one of a change in a shooting subject, the change in a shooting device, and an operation of a user during shooting with a shooting device; and

a frame number obtainment unit for obtaining a frame number of a frame which is one screen of the moving picture corresponding to the event; and

an event information storage unit for storing event information which corresponds to the event detected by the event detection unit and the frame number.

12. The moving picture collection apparatus of claim 11, wherein the event detection unit detects, as the event, one of the change in a position of the shooting device, the change in a direction of the shooting device, the change in a lens condition, an operation of a recording start of a user and an operation of a recording end of the user.

13. The moving picture collection apparatus of claim 11, wherein the event information storage unit obtains an image data of a frame in the moving picture corresponding to the event, and obtains the change in the position of the shooting device corresponding to the event, direction of the shooting device and the change of the lens condition corresponding to the event, and stores as the event information.

14. The moving picture collection apparatus of claim 11, wherein the event information unit inputs and stores an explanation sentence added by the user corresponding to the event stored in the event information storage unit.

15. The moving picture collection apparatus of claim 11, further comprising an explanation sentence input unit for obtaining the image data of the frame in the moving picture corresponding to the event stored in the event information storage unit, displaying the image data of the frame on a display screen, and having the user input an explanation sentence of the event corresponding to the image data of the frame displayed on the display screen, and

wherein the event information storage unit stores the explanation sentence from the explanation sentence input unit.

16. The moving picture collection apparatus of claim 11, wherein the event detection unit detects, as the event, an approach of the shooting device toward a preset shooting subject.

17. The moving picture collection apparatus of claim 11, wherein the event detection unit detects, as the event, one of an entering, and a coming out of the shooting device to/of a preset shooting area.

18. The moving picture collection apparatus of claim 11, further comprising a shooting device control unit for sending an order to the shooting device to change its direction toward the shooting subject corresponding to the event of approaching of the shooting device toward the preset shooting subject corresponding to the event detected by the event detection unit.

19. The moving picture collection apparatus of claim 18, wherein the shooting device control unit sends an order of one of a recording start and a recording end corresponding to the event of one of entering and coming out of the shooting device to/of the preset shooting area.

20. The moving picture collection apparatus of claim 11, further comprising an event information display unit for displaying the event information, a command input unit for inputting an instruction from a user based on the displayed event information, and a moving picture playback instruction unit for selecting the event based on the instruction input by the command input unit, and specifying the frame number of the frame in the moving picture corresponding to the selected event, and instructing a playback of the moving picture from the frame specified by the frame number.

21. A moving picture collection apparatus, comprising:

a moving picture input unit for inputting a moving picture shot by a shooting device;

an event detection unit for detecting an event one of a change in a shooting subject, the change of the shooting device, and an operation by a user during shooting with the shooting device;

an event information storage unit for expressing information of the event detected by the event detection unit with image and sound, and compositing the event information with the moving picture input by the moving picture input unit and storing it.

22. A moving picture playback apparatus, comprising:

a priority set unit for setting a priority for a frame of a moving picture composed of a plurality of continuous frames;

a priority obtainment unit for obtaining the priority set for the frame of the moving picture by the priority set unit;

a playback speed set unit for setting a moving picture playback speed at which the moving picture is played back;

a frame selection unit for selecting a frame of the moving picture based on the playback speed set by the playback speed set unit and the priority set for the frame of the moving picture obtained by the priority obtainment unit;

a frame obtainment unit for obtaining an image of the frame selected by the frame selection unit; and

a moving picture display unit for displaying the image of the frame obtained by the frame obtainment unit.

23. A moving picture playback apparatus, comprising:

a priority set unit for setting a priority for a frame of a moving picture composed of a plurality of continuous frames;

a frame obtainment unit for obtaining an image of the frame of the moving picture;

a priority obtainment unit for obtaining the priority set for the frame of the moving picture by the priority set unit;

a typical image obtainment unit for obtaining the image of the frame set a high priority by the priority set unit as a typical image;

a typical image storage unit for storing the typical image obtained by the typical image obtainment unit;

a playback speed set unit for setting a moving picture playback speed at which the moving picture is to be played back;

a frame selection unit for selecting the frame of the moving picture based on the playback speed set by the playback speed set unit and the priority set for the moving picture frame obtained by the priority obtainment unit; and

a moving picture display unit for displaying the image of the frame selected by the frame selection unit from one of the frame obtainment unit and the typical image storage unit.

24. The moving picture playback apparatus of claim 23, wherein the moving picture display unit reads and displays the image of the frame from the typical image storage unit when the playback speed set by the playback speed set unit exceeds a normal playback speed, and reads and displays the image of the frame from the frame obtainment unit when the playback speed is below the normal playback speed.

25. The moving picture playback apparatus of claim 23, wherein the typical image storage unit changes the frame to be stored as the typical image according to a timing relation between the frame of the typical image stored by the typical image storage unit and the frame currently displayed by the moving picture display unit.