Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Reexamination Certificate
1997-03-28
2003-09-02
Boccio, Vincent (Department: 2715)
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
C386S349000, C348S239000
Reexamination Certificate
active
06614988
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a natural language labeling system for video and photographic images.
Video recorders, and in particular handheld portable camcorders, typically include buttons that permit the user to enter a text label which is overlaid on a small portion of the video images on a tape as the video images are obtained. To enter the desired text, the user scrolls through the alphabet in a letter-by-letter process until the desired letter appears. When the desired letter appears it may be selected so that it becomes a part of the text label. This letter by letter process is repeated until the desired text label is completely entered. Unfortunately, this process is time consuming and therefore infrequently done by users. Because camcorders are small so as to be handheld, they are not suitable for an additional alpha-numeric keypad from which to enter text. However, it is desirable to label individual video clips to assist a user's recollection of the taped event. Also, over time the user may accumulate hundreds of video tapes, with each video tape including hundreds of different video clips. Without accurately labeling the exterior label of a video tape with an indication of all the video clips contained therein, locating the desired video clip among many tapes becomes a nightmarish task. This task is even more difficult for somebody who has not previously viewed the video clip or the video tape.
Photographic items such as photos, slides, and digital image files have other problems. For example, individuals may take hundres to thousands of photographic pictures (prints or transparencies) every year. Ideally every good picture is stored in a photo album together with its negative, or a slide tray or cassette in the case of transparencies. However, organizing photos in a photo album requires considerable effort and most often individuals merely look at the pictures once or twice and then place them in a box with other pictures. Over time negatives tend to become separated from their respective pictures making it difficult to obtain a duplicate print of a desired picture because the negative cannot be located. In addition, if each picture is not manually labeled with a label relating to its subject, then over time the photographer may not be able to recall the subject matter of the picture, the people shown in the picture, and the date that the picture was taken. There are similar problems relating to locating and identifying slides.
Several film developing services now scan negatives (or positives) to create a digital photographic image file of each picture. The digital photographic image file is then provided to the customer either on storage media such as a diskette or over a network such as the internet. Similar labeling, identification, locating, and storing problems exist with digital photographic image files, as with traditional photographic pictures and slides.
Fujisawa et al. U.S. Pat. No. 5,555,408 disclose a knowledge based information retrieval system suitable to query existing databases for desired information. The natural language portion of the retrieval system permits users to enter an English sentence query, as opposed to cryptic database syntax query, to search for desired information within the database. The natural language interface is intuitive for the user and alleviates the need for the user to learn the cryptic database query syntax, thus making the system faster to learn. Such systems are generally referred to as natural language query systems.
What is desired, therefore, is a system for efficiently labeling video and photographic images that is suitable for portable handheld devices. Also, the system should permit the efficient categorization and retrieval of video clips and photographic images.
SUMMARY OF THE PRESENT INVENTION
The present invention overcomes the aforementioned drawbacks of the prior art by providing a system for labeling video or photographic images on a portable handheld device, such as a camcorder or camera, that includes a language interface. The user is prompted through the language interface with a first plurality of first words, each of the first words including a plurality of letters, from which the user selects at least one of the first words. The user is then prompted through the interface with a second plurality of second words, each of the second words including a plurality of letters, from which the user selects at least one of the second words. The selected at least one of the first words and the selected at least one of the second words are combined to create a label relating to subject matter obtained by the portable handheld device. The label is either overlaid on or attached to the video clips (digital and analog) or photographic images (digital and film based) depending on the nature of the portable handheld device and the system configuration. Preferably, the system includes search tools that use the language interface to locate video clips (digital and analog) or photographic images (digital and film based).
The language interface permits the user to create a label using a word-by-word process so that the video clips and photographic images are easily identified later. In addition, the language interface permits the user to select entire words which allows for the quick creation of the label. Since labels are easier to create, it is more likely that the user will actually label his video and photographic images. Also, by labeling the video and photographic images, the user will be able to search for desired video or photographic images by using electronic search tools. Further, the language interface is especially suitable for portable handheld devices, such as cameras and camcorders, where space limitations exist that prohibit the use of an alpha-numeric keyboard. As such, the language interface only requires a few controls, such as buttons or touch-sensitive points on a display, to be used effectively.
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patent: 5555408 (1996-09-01), Fujisawa et al.
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Boccio Vincent
Chernorr Vilhauer McClung & Stenzel, LLP
Sharp Laboratories of America Inc.
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