KR100797533B1 - Stop screen capture method for personal video recorder - Google Patents

Stop screen capture method for personal video recorder Download PDF

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Publication number
KR100797533B1
KR100797533B1 KR1020060093827A KR20060093827A KR100797533B1 KR 100797533 B1 KR100797533 B1 KR 100797533B1 KR 1020060093827 A KR1020060093827 A KR 1020060093827A KR 20060093827 A KR20060093827 A KR 20060093827A KR 100797533 B1 KR100797533 B1 KR 100797533B1
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still image
still
image
video recorder
personal video
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KR1020060093827A
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Korean (ko)
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정석현
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주식회사 대우일렉트로닉스
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/4448—Receiver circuitry for the reception of television signals according to analogue transmission standards for frame-grabbing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2508—Magnetic discs
    • G11B2220/2516—Hard disks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

A method for acquiring a still image of a PVR(Personal Video Recorder) is provided to allow a user to easily acquire an accurate still image when a conversion speed of images is fast. A currently displayed image is stopped according to manipulation for acquiring a still image(S11,S12). A designated number of buffered previous and subsequent images based on the currently displayed image are captured according to certain time intervals to acquire a plurality of still images(S13). The plural acquired still images are displayed on a screen, and when a still image is selected, its format is converted(S14,S15). The format-converted still image is stored in a designated storage unit(S16).

Description

개인용 녹화기의 정지화면 획득방법{STOP SCREEN CAPTURE METHOD FOR PERSONAL VIDEO RECORDER}[0001] STOP SCREEN CAPTURE METHOD FOR PERSONAL VIDEO RECORDER [0002]

도 1은 본 발명의 실시예에 의한 개인용 녹화기의 정지화면 획득방법을 설명하기 위한 흐름도이다. FIG. 1 is a flowchart illustrating a still picture acquisition method of a personal video recorder according to an embodiment of the present invention.

본 발명은 개인용 녹화기의 정지화면 획득방법에 관한 것으로, 보다 상세하게는 빠르게 움직이는 동영상의 원하는 화면을 정지화면으로 획득할 수 있는 개인용 녹화기의 정지화면 획득방법에 관한 것이다.The present invention relates to a still picture acquisition method for a personal video recorder, and more particularly, to a still picture acquisition method for a personal video recorder capable of acquiring a desired screen of a fast moving video as a still picture.

일반적으로, 종래 개인용 녹화기(PVR ; Personal Video Recorder)는 화면을 정지시키거나 화면을 캡쳐할 수 있는 기능을 제공하고 있으며, 종래 개인용 녹화기의 정지화면 획득방법은 사용자가 캡쳐 키를 누르면 그 키의 입력 후 약간의 지연시간을 거쳐 하나의 정지화면을 캡쳐하게 된다.2. Description of the Related Art Generally, a conventional personal video recorder (PVR) provides a function of stopping a screen or capturing a screen, and a conventional method of acquiring a still image of a personal video recorder is a method in which, when a user presses a capture key, And then captures a still image through a slight delay time.

그러나, 캡쳐의 정확한 타이밍을 맞추기가 어렵고, 빠르게 움직이는 영상을 정지화면으로 캡쳐할 때 화면이 깨지거나, 명확하지 못한 영상이 표시되어, 정확한 정지영상의 획득이 용이하지 않은 문제점이 있었다.However, there is a problem in that it is difficult to adjust the timing of capturing correctly, and a screen is broken or an unclear image is displayed when capturing a rapidly moving image as a still image, so that it is not easy to acquire a correct still image.

상기와 같은 문제점을 감안한 본 발명은 정확한 정지영상을 획득할 수 있는 개인용 녹화기의 정지영상 획득방법을 제공함에 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a still image acquisition method for a personal video recorder capable of acquiring accurate still images.

상기와 같은 목적을 달성하기 위한 본 발명은 a) 정지영상 획득 조작에 따라 현재 표시되는 영상을 정지시키는 단계와, b) 상기 현재 표시되는 영상과 함께, 그 현재 표시되는 영상을 기준으로 버퍼링된 이전과 이후의 화면을 소정의 시간간격에 따라 지정된 수로 캡쳐하여 다수의 정지영상을 획득하는 단계와, c) 상기 획득된 다수의 정지영상을 화면에 표시하고, 정지영상이 선택되면 포맷을 변환하는 단계와, d) 상기 포맷 변환된 정지영상을 지정된 저장수단에 저장하는 단계를 포함한다.According to another aspect of the present invention, there is provided a method for acquiring a still image, the method comprising: a) stopping a currently displayed image according to a still image acquisition operation; b) And a step of capturing a plurality of still images by capturing a plurality of still images at a predetermined number of times according to a predetermined time interval, and c) displaying the obtained plurality of still images on a screen, And d) storing the format-converted still image in a designated storage means.

이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세하게 설명하기로 한다. 그러나 이하의 실시예는 이 기술 분야에서 통상적인 지식을 가진 자에게 본 발명이 충분히 이해되도록 제공되는 것으로서 여러 가지 다른 형태로 변 형될 수 있으며, 본 발명의 범위가 다음에 기술되는 실시예에 의해 한정되는 것은 아니다. 도면상에서 동일 부호는 동일한 요소를 지칭한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be apparent to those skilled in the art, however, that the following examples are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It is not. Wherein like reference numerals refer to like elements throughout.

도 1은 본 발명 개인용 녹화기의 정지영상 획득방법의 바람직한 실시예에 따른 순서도이다.FIG. 1 is a flowchart illustrating a still image acquisition method according to a preferred embodiment of the present invention.

도 1을 참조하면, 본 발명 개인용 녹화기의 정지영상 획득방법의 바람직한 실시예는 사용자가 개인용 녹화기(PVR)의 시청중에 화면 정지를 선택하는 단계(S11)와, 상기 화면 정지 선택이 있으면 화면을 정지시키는 단계(S12)와, 상기 화면의 정지영상을 기준으로 버퍼링된 이전의 화면과 이후의 화면을 소정의 간격으로 일정한 수만큼 캡쳐하여 정지영상을 획득하는 단계(S13)와, 상기 획득된 정지영상을 사용자가 확인할 수 있도록 표시하는 단계(S14)와, 사용자가 선택한 정지영상을 사용자가 지정한 포맷으로 변환하는 단계(S15)와, 변환된 정지영상을 사용자가 지정하는 하드 디스크 또는 이동식 저장수단에 저장하는 단계(S16)를 포함한다.Referring to FIG. 1, a preferred embodiment of a still image acquisition method of a personal video recorder of the present invention includes a step S11 of selecting a screen stop during a viewing of a personal video recorder (PVR) A step S13 of capturing a still image by capturing a predetermined number of the previous screen and the following screen buffered at a predetermined interval based on the still image of the screen, (S15) of converting the still image selected by the user into a format designated by the user, and storing the converted still image in a hard disk or a removable storage means designated by the user (S16).

이하, 상기와 같은 본 발명 개인용 녹화기의 정지화면 획득방법의 바람직한 실시예를 보다 상세히 설명한다.Hereinafter, a preferred embodiment of the still picture acquisition method of the personal video recorder of the present invention will be described in more detail.

먼저, S11단계와 같이 사용자가 개인용 녹화기의 시청중에 정지화면을 캡쳐하기 위한 화면표시 시점에서 리모트 콘트롤러의 화면 정지키를 눌러 화면 정지를 선택한다.First, as shown in step S11, the user selects a screen stop by pressing the screen stop key of the remote controller at the time of screen display for capturing the still screen during watching the personal video recorder.

그 다음, S12단계에서는 상기 화면 정지 선택이 있으면 화면을 정지시킨다.Then, in step S12, if the screen stop selection is made, the screen is stopped.

그 다음, S13단계에서는 상기 정지된 화면을 기준으로 버퍼링된 이전의 화면과 이후의 화면을 소정의 시간 간격으로 캡쳐하여 다수의 정지영상을 획득한다.
일반적으로 개인용 녹화기(PVR)은 내장된 하드디스크에 일정시간 분량의 화면을 버퍼링하면서 재생하기 때문에 상기 화면 정지 선택이 있을 경우 버퍼링된 화면에서 상기 정지된 화면을 기준으로 이전의 화면과 이후의 화면을 소정의 시간 간격으로 캡쳐할 수 있게 된다.Then, in step S13, a still image buffered by the still image is captured at a predetermined time interval to obtain a plurality of still images.
In general, a personal video recorder (PVR) reproduces a buffered image on a built-in hard disk while buffering a predetermined amount of time. Therefore, And can be captured at predetermined time intervals.

이때 정지영상의 수는 지정된 것이며, 하나의 정지영상을 획득하는 종래 기술에 비하여 다수의 정지영상을 획득함으로써 빠른 움직임의 화면에서도 원하는 정지영상을 획득할 수 있게 된다.In this case, the number of still images is designated, and a desired still image can be obtained even in a fast motion picture by acquiring a plurality of still images as compared with the conventional technique of acquiring one still image.

즉, 정지 상태의 인물이 타인과 대화하는 등의 속도가 느린 영상에서는 사용자가 원하는 장면을 캡쳐하여 정지영상을 획득하는 것이 용이하지만, 자동차 등 이동수단을 타고 이동하거나, 순간적인 폭발이 발생하는 등의 속도가 빠른 영상에서는 하나의 정지영상을 정확하게 포착하여 획득하는 것이 용이하지 않다.That is, it is easy to capture a still image by capturing a desired scene in a slow-speed image such as a conversation of a person in a stationary state with another person, but it is difficult to obtain a still image by moving on a moving means such as a car, It is not easy to capture and acquire one still image accurately.

그러나, 특정한 영상을 기준으로 설정된 시간간격에 따라 설정된 수로 정지영상을 획득하면, 사용자가 원하는 정지영상을 보다 쉽게 획득할 수 있게 된다.However, if a still image is acquired in a predetermined number of times according to a set time interval based on a specific image, a still image desired by the user can be acquired more easily.

그 다음, S14단계에서는 사용자에게 상기 획득된 다수의 정지영상을 표시하여 사용자가 저장을 원하는 정지영상이 있는지 확인할 수 있도록 한다.Then, in step S14, the user can display the obtained still images so that the user can check whether there is a still image desired to be stored.

그 다음, S15단계에서는 상기 S14단계에서 사용자가 선택한 정지영상을 지정 한 포맷에 따라 변환한다.Then, in step S15, the still image selected by the user is converted according to the designated format in step S14.

그 다음, S16단계에서는 상기 S15단계에서 포맷이 변환된 정지영상을 사용자가 지정한 저장수단에 저장한다.Then, in step S16, the formatted still image is stored in the storage unit designated by the user in step S15.

이때의 저장수단은 개인용 녹화기의 하드디스크 또는 그 개인용 녹화기에서 지원하는 이동식 저장수단이 될 수 있다.The storage means may be a hard disk of the personal video recorder or a portable storage means supported by the personal video recorder.

상기한 바와 같이 본 발명은 사용자가 지정하는 정지영상의 획득시점의 전후에서 다수의 정지영상을 획득함으로써, 화면의 변환 속도가 빠른 경우에도 정확한 정지영상을 용이하게 획득할 수 있는 효과가 있다.As described above, according to the present invention, a plurality of still images are acquired before and after the acquisition time point of the still image designated by the user, so that the accurate still image can be acquired easily even when the conversion speed of the screen is fast.

Claims (2)

a) 정지영상 획득 조작에 따라 현재 표시되는 영상을 정지시키는 단계;a) stopping a currently displayed image according to a still image acquisition operation; b) 상기 현재 표시되는 영상과 함께, 그 현재 표시되는 영상을 기준으로 버퍼링된 이전과 이후의 화면을 소정의 시간간격에 따라 지정된 수로 캡쳐하여 다수의 정지영상을 획득하는 단계; b) acquiring a plurality of still images by capturing the previous and subsequent screens buffered based on the currently displayed image with a predetermined number of times according to a predetermined time interval together with the currently displayed image; c) 상기 획득된 다수의 정지영상을 화면에 표시하고, 정지영상이 선택되면 포맷을 변환하는 단계; 및 c) displaying the obtained plurality of still images on a screen, and converting a format if a still image is selected; And d) 상기 포맷 변환된 정지영상을 지정된 저장수단에 저장하는 단계d) storing the format-converted still image in designated storage means 를 포함하여 이루어진 것을 특징으로 하는 개인용 녹화기의 정지영상 획득방법.And generating a still image using the still image. 제 1항에 있어서, The method according to claim 1, 상기 d) 단계의 저장수단은 하드디스크 또는 이동식 저장수단인 것을 특징으로 하는 개인용 녹화기의 정지영상 획득방법.Wherein the storage means of the step d) is a hard disk or a removable storage means.
KR1020060093827A 2006-09-26 2006-09-26 Stop screen capture method for personal video recorder KR100797533B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980026347A (en) * 1996-10-09 1998-07-15 김태용 Golf swing posture automatic recording device
KR20010040748A (en) * 1998-02-06 2001-05-15 피터 엔. 데트킨 Method and apparatus for still image capture during video streaming operations of a tethered digital camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980026347A (en) * 1996-10-09 1998-07-15 김태용 Golf swing posture automatic recording device
KR20010040748A (en) * 1998-02-06 2001-05-15 피터 엔. 데트킨 Method and apparatus for still image capture during video streaming operations of a tethered digital camera

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