KR101006660B1 - Infrared Photography Apparatus and Method for Camera-Mounted Mobile Terminal - Google Patents
Infrared Photography Apparatus and Method for Camera-Mounted Mobile Terminal Download PDFInfo
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- KR101006660B1 KR101006660B1 KR1020040020883A KR20040020883A KR101006660B1 KR 101006660 B1 KR101006660 B1 KR 101006660B1 KR 1020040020883 A KR1020040020883 A KR 1020040020883A KR 20040020883 A KR20040020883 A KR 20040020883A KR 101006660 B1 KR101006660 B1 KR 101006660B1
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Abstract
본 발명은 카메라 결합형 이동단말기의 적외선 촬영 장치 및 방법에 관한 것으로 특히, 피사체 식별이 어려운 어두운 장소에서 촬영할 때 적외선 램프를 점등시켜 사용자가 정확히 피사체에 초점을 맞출 수 있도록 한다. 이를 위하여 본 발명은 피사체 영상을 촬영하기 위한 카메라와; 적외선 광을 발광시키는 적외선 램프와; 적외선 촬영시 상기 적외선 램프를 동작시켜 적외선을 피사체로 조사하고, 상기 카메라가 피사체에서 반사된 적외선을 감지하면 반사된 적외선 영상을 처리하여 표시하는 컨트롤러를 포함한다. The present invention relates to an infrared photographing apparatus and method of a camera-coupled mobile terminal, and more particularly, to enable a user to focus on a subject precisely by lighting an infrared lamp when photographing in a dark place where subject identification is difficult. To this end, the present invention is a camera for photographing the subject image; An infrared lamp for emitting infrared light; And a controller configured to operate the infrared lamp to radiate infrared rays to a subject and to process and display the reflected infrared image when the camera detects infrared rays reflected from the subject.
Description
도1은 본 발명의 실시 예에 따른 카메라 폰의 블록 구성도. 1 is a block diagram of a camera phone according to an embodiment of the present invention.
도2는 본 발명 실시 예의 카메라 폰의 외관도. Figure 2 is an external view of the camera phone of the embodiment of the present invention.
도3은 본 발명의 실시 예에서 적외선 촬영 설정 및 표시화면의 예시도. Figure 3 is an exemplary view of the infrared shooting setting and display screen in an embodiment of the present invention.
도4는 본 발명의 실시 예에서 촬영 과정을 보인 동작 흐름도. 4 is a flowchart illustrating an operation of photographing in an embodiment of the present invention.
* 도면의 주요부분에 대한 부호 설명 * Explanation of symbols on the main parts of the drawings
110 : 컨트롤러 120 : 메모리 110: controller 120: memory
130 : 키 입력부 140 : 엘씨디(LCD) 130: key input unit 140: LCD (LCD)
150 : 카메라 160 : 플래시 150: camera 160: flash
170 : 적외선 램프 181 : 적외선 제거필터 170: infrared lamp 181: infrared filter
182 : 필터 착탈부 182: filter detachable part
본 발명은 이동단말기에 관한 것으로 특히, 카메라 결합형 이동단말기에 있어서 적외선 촬영 방법에 관한 것이다. The present invention relates to a mobile terminal, and more particularly, to an infrared imaging method in a camera-coupled mobile terminal.
현재 개발되고 있는 이동통신단말기(이하, "휴대폰"이라 칭함)의 경우 카메라 기능을 탑재한 카메라 폰 모델들이 증가하고 있다. In the case of mobile communication terminals (hereinafter, referred to as "mobile phones") currently being developed, camera phone models equipped with camera functions are increasing.
특히, 최근 멀티미디어를 지원하는 휴대폰은 고해상도의 카메라와 LED 플래시(고휘도 white LED) 모듈을 장착하고 있다. In particular, mobile phones supporting multimedia have a high resolution camera and a high-brightness white LED module.
상기 LED 플래시 모듈은 장착 위치에 따라 외장형과 내장형으로 구분되며, 화이트(white) LED를 3~4개 병렬로 구비하여 촬영 시점에서 DC-DC 차지펌프(charge pump) IC의 승압 전원을 이용하여 LED를 켜도록 구성된다. The LED flash module is classified into an external type and an internal type according to the mounting position. The LED flash module is provided with 3 to 4 white LEDs in parallel, and the LED is powered using a boosted power supply of a DC-DC charge pump IC at the time of shooting. It is configured to turn on.
따라서, 종래에는 카메라를 장착한 휴대폰(이하, "카메라 폰"이라 칭함)을 이용하여 어두운 곳에서도 피사체 영상을 촬영할 수 있다. Therefore, conventionally, a subject image can be photographed even in a dark place using a mobile phone equipped with a camera (hereinafter referred to as a "camera phone").
일반적으로 카메라를 이용하여 어두운 곳에서 피사체를 촬영하는 경우에는 어느 정도의 밝기가 보장되어야 피사체에 초점을 맞춘 후 촬영을 할 수 있다. In general, when photographing a subject in a dark place using a camera, a certain level of brightness must be ensured before the subject can be focused.
그러나, 종래의 카메라 폰을 이용하여 어두운 곳에서 촬영할 경우 사용자는 피사체에 정확히 초점을 맞추기가 어렵다. 그 결과 사용자는 촬영하고자 하는 피사체에 대해 감각적으로 초점을 맞추기 때문에 촬영된 영상이 선명하지 못하거나 구도가 틀어질 수 있는 문제점이 있다. However, when photographing in a dark place using a conventional camera phone, it is difficult for the user to accurately focus on the subject. As a result, since the user focuses sensibly on the subject to be photographed, there is a problem that the captured image may not be clear or the composition may be distorted.
따라서, 본 발명은 종래의 문제점을 개선하기 위하여 피사체 식별이 어려운 어두운 장소에서 촬영할 때 적외선 램프를 점등시킴으로써 사용자가 정확히 피사체에 초점을 맞출 수 있도록 한 카메라 결합형 이동단말기의 적외선 촬영 장치 및 방법을 제공함에 그 목적이 있다. Accordingly, the present invention provides an infrared photographing apparatus and method of a camera-coupled mobile terminal that enables a user to focus on a subject precisely by lighting an infrared lamp when photographing in a dark place where subject identification is difficult to solve the conventional problem. Has its purpose.
상기와 같은 목적을 달성하기 위하여 본 발명의 실시에에 따른 카메라 결합형 이동단말기의 적외선 촬영 장치는, 피사체 영상을 촬영하기 위한 카메라와; 적외선 광을 발광시키는 적외선 램프와; 적외선 촬영시 상기 적외선 램프를 동작시켜 적외선을 피사체로 조사하고, 상기 카메라가 피사체에서 반사된 적외선을 감지하면 반사된 적외선 영상을 처리하여 표시하는 컨트롤러를 포함한다. In order to achieve the above object, an infrared photographing apparatus of a camera-coupled mobile terminal according to an embodiment of the present invention includes a camera for photographing a subject image; An infrared lamp for emitting infrared light; And a controller configured to operate the infrared lamp to radiate infrared rays to a subject and to process and display the reflected infrared image when the camera detects infrared rays reflected from the subject.
또한, 상기와 같은 목적을 달성하기 위하여 본 발명의 실시에에 따른 카메라를 장착한 이동단말기의 촬영 방법은, 적외선 촬영이 설정되는지 확인하는 단계와; 상기 적외선 촬영이 설정되면 적외선 램프를 발광시켜 피사체로 적외선을 조사하는 단계와; 상기 피사체에서 반사되어 카메라에 의해 획득된 적외선 영상을 처리하여 단말기 화면에 표시하는 단계를 포함한다. In addition, in order to achieve the above object, a photographing method of a mobile terminal equipped with a camera according to an embodiment of the present invention comprises the steps of checking whether infrared imaging is set; Illuminating the subject by emitting an infrared lamp when the infrared photographing is set; And processing an infrared image reflected by the subject and obtained by the camera and displaying the same on a terminal screen.
삭제delete
상기 적외선 촬영이 플래시 구동이 필요없는 촬영인 경우에는 셔터 버튼이 눌리면 적외선 촬영된 영상을 메모리에 기록하고, 상기 적외선 촬영이 플래시 구동이 필요한 촬영인 경우에는 플래시를 구동하여 촬영된 영상을 메모리에 기록한다. When the infrared shooting is a photographing which does not require flash driving, when the shutter button is pressed, an infrared photographed image is recorded in the memory, and when the infrared photographing is a photographing requiring flash driving, the flash is recorded in the memory. do.
이하, 본 발명을 도면에 의거 상세히 설명하면 다음과 같다. Hereinafter, the present invention will be described in detail with reference to the drawings.
본 발명의 실시 예에서는 본 발명의 목적을 달성하기 위한 구성만을 도시하고 일반적으로 구비하여야 할 구성요소는 생략하기로 한다. 이때 생략된 구성요소는 당업자에게 자명한 것이 될 것이다. In the exemplary embodiment of the present invention, only components for achieving the object of the present invention are illustrated, and components to be generally provided will be omitted. In this case, the omitted elements will be apparent to those skilled in the art.
또한, 본 발명의 실시 예에서는 카메라가 결합된 이동통신단말기(이하, "카메라 폰"이라 칭함)를 가정하고 플래시를 내장형 또는 외장형으로 장착 가능하지만 내장형으로 장착된 경우를 전제로 하여 설명하기로 한다. In addition, in the embodiment of the present invention, a mobile communication terminal (hereinafter referred to as a "camera phone") to which a camera is coupled may be described as a built-in or externally mounted flash unit. .
본 발명의 실시 예에서도 주위 환경이 충분히 밝은 경우 이미 알려진 일반적인 촬영 과정을 진행하여 해당 피사체의 영상을 촬영하게 된다. In an exemplary embodiment of the present invention, when the surrounding environment is bright enough, a known general photographing process is performed to capture an image of a corresponding subject.
따라서, 본 발명의 실시 예에서는 피사체의 식별이 용이하지 않은 곳에서의 촬영 과정에 대해 설명하기로 한다. Therefore, an embodiment of the present invention will be described with respect to the photographing process in a place where the identification of the subject is not easy.
도 1은 본 발명의 실시예에 따른 적외선 촬영 장치의 블록도이다.
도 1에 도시된 바와 같이, 본 발명의 실시예에 따른 적외선 촬영 장치는 피사체 영상을 촬영하기 위한 카메라(150)와, 플래시 모드가 인에이블된 경우 셔터 버튼이 눌리면 발광하는 플래시(160)와, 사용자의 선택에 의해 적외선 광을 발광시키는 적외선 램프(170)와, 기능 설정 및 구동을 위한 키를 구비하는 키 입력부(130)와, 상기 카메라(150)에 내장된 CCD에 입사되는 적외선 신호를 차단하는 적외선 제거필터(181)와, 상기 적외선 램프(170)를 점등시킬 때 상기 적외선 제거필터(181)를 장착 위치에서 탈거시키는 필터 착탈부(182)와, 사용자의 키 선택에 의해 플래시(160), 적외선 램프(170) 및 필터 착탈부(182)를 선택적으로 구동시키며 카메라(150)로 촬영한 피사체 영상을 엘씨디(LCD)(140)에 표시하는 컨트롤러(110)를 포함한다. 또한, 상기 컨트롤러(110)는 촬영 모드에서 셔터 버튼이 눌리면 상기 카메라(150)로 획득한 영상 데이터를 압축하여 메모리(120)에 기록하는 컨트롤러(110)를 포함하여 구성한다. 1 is a block diagram of an infrared imaging apparatus according to an embodiment of the present invention.
As shown in FIG. 1, an infrared imaging apparatus according to an exemplary embodiment of the present invention includes a
도 2는 본 발명의 실시예에 따른 카메라 폰의 외관도이다.
도 2를 참조하면, 카메라 폰의 외측면에 카메라(150)가 장착되고, 상기 카메라(150)에 근접한 위치에 플래시(160) 및 적외선 램프(170)가 장착되어 구성된다. 2 is an external view of a camera phone according to an embodiment of the present invention.
Referring to FIG. 2, a
또한, 도 2는 본 발명을 설명하기 위한 구성의 일 예를 도시한 것으로, 그 구성은 카메라 폰의 설계에 따라 변경할 수 있다. 2 illustrates an example of a configuration for describing the present invention, and the configuration may be changed according to the design of the camera phone.
이와 같이 구성된 본 발명의 실시예에 대한 동작 및 작용 효과를 첨부된 도면을 참조하여 설명하면 다음과 같다. Referring to the accompanying drawings, the operation and effect of the embodiment of the present invention configured as described above are as follows.
본 발명의 실시 예에서 일반 촬영 및 플래시 촬영은 일반적인 카메라 폰의 동작과 동일하므로 그 상세 설명은 생략하고, 본 발명이 종래 기술과 차별화되는 적외선 촬영 및 적외선/플래시 촬영에 대한 동작만을 설명하기로 한다.
도 3의 (a) 내지 (b)에는 적외선 촬영을 위한 적외선 촬영 설정 및 표시화면의 일 예가 도시되어 있다. In the exemplary embodiment of the present invention, since the general shooting and the flash shooting are the same as the operations of the general camera phone, the detailed description thereof will be omitted, and only the operations of the infrared shooting and the infrared / flash shooting according to the present invention will be described. .
3A to 3B illustrate an example of an infrared photographing setting and a display screen for infrared photographing.
우선, 적외선 촬영을 하려는 경우 사용자는 키 입력부(130)를 이용하여 도3(a)와 같은 카메라 메뉴 화면을 엘씨디(140)에 표시시킨 다음, 커서를 이동하여 적외선 촬영 모드를 설정한다. First, in the case of infrared imaging, the user displays the camera menu screen as shown in FIG. 3 (a) on the
일단 적외선 촬영 모드가 설정되면 컨트롤러(110)는 적외선 램프(170)를 점등시킴과 동시에 필터착탈부(182)를 구동하여 카메라(150)의 CCD 전면에 장착되어 있는 적외선 제거필터(181)를 탈거시키게 된다. Once the infrared photographing mode is set, the
이에 따라, 적외선 램프(170)에서 발광된 적외선이 피사체로 조사된다. 이후 카메라(150)가 피사체에서 반사된 적외선을 감지하면 컨트롤러(110)는 그 적외선 영상을 처리하여 엘씨디(140)에 도3(b)와 같이 표시하게 된다. 상기 엘씨디(440)의 표시 화면은 적외선에 의해 녹색으로 표시된다. Accordingly, the infrared rays emitted from the
따라서, 사용자는 엘씨디(140)에 표시되는 피사체 영상을 보면서 촬영 구도를 잡거나 물체 식별이 어려울 정도로 어두운 환경에서 물체를 식별에 이용하게 된다. Accordingly, the user may use the object for identification in a dark environment where it is difficult to compose a photograph or identify an object while viewing the subject image displayed on the
만일, 사용자가 식별된 피사체에 대해 촬영 구도를 맞춘 후 셔터 버튼을 누르면 컨트롤러(110)는 카메라(150)를 이용하여 적외선 촬영된 영상 데이터를 처리하여 메모리(120)에 저장하게 된다. If the user presses the shutter button after composing an image for the identified subject, the
그런데, 물체의 식별이 어려울 정도의 어두운 곳에서 촬영하려는 경우 단순히 플래시 구동만으로는 초점 및 구도를 맞추는 것은 거의 불가능하다. However, when shooting in a dark place where the object is difficult to identify, it is almost impossible to focus and compose by simply driving the flash.
따라서, 상기 적외선 촬영 과정의 일부를 채택하여 초점 및 구도를 맞춘 후 플래시를 구동하여 촬영하도록 한다. 이를 설명하면 다음과 같다. Therefore, a part of the infrared photographing process is adopted to focus and compose and then drive the flash to photograph. This is described as follows.
이 경우, 사용자는 도3(a)의 카메라 메뉴에서 적외선 + 플래시 촬영 모드를 설정한다. In this case, the user sets the infrared + flash photographing mode in the camera menu of FIG.
상기 카메라 메뉴에서 적외선 + 플래시 촬영 모드가 설정되면, 컨트롤러 (110)는 적외선 램프(170)를 발광시키고 동시에 플래시(160)를 구동할 전압을 승압시키게 된다. When the infrared + flash photographing mode is set in the camera menu, the
이후, 사용자는 카메라(150)로 획득한 적외선 영상을 엘씨디(140)로 확인하면서 초점 및 구도를 맞추게 된다. Then, the user checks the infrared image obtained by the
이후, 사용자가 셔터 버튼을 누르면 컨트롤러(110)는 승압 전압으로 플래시(160)를 구동하고 동시에 카메라(150)로 영상을 획득하게 된다. Thereafter, when the user presses the shutter button, the
이때, 피사체를 식별하여 구도를 맞추는 동안에는 적외선 제거필터(181)가 탈거된 상태이지만, 셔터 버튼이 눌리는 시점에서 컨트롤러(110)는 필터 착탈부(182)를 구동하여 상기 적외선 제거필터(181)를 카메라(150)의 CCD 전면에 장착시킴으로써 적외선 혼입으로 인한 부자연스러운 영상 촬영을 방지하게 된다. In this case, the
이에 따라, 컨트롤러(110)는 카메라(150)로 획득한 영상을 처리하여 메모리(120)에 저장하게 된다. Accordingly, the
상기에서 상세히 설명한 바와 같이 본 발명은 플래시를 이용하여 촬영하려는 경우 미리 적외선 램프를 발광시켜 물체를 확인할 수 있도록 함으로써 주변이 어두워 사용자가 물체를 식별하기 어려운 곳에서도 정확한 초점과 구도의 영상을 촬영할 수 있도록 하는 효과가 있다. As described in detail above, the present invention allows the user to capture an image of the correct focus and composition even in a place where it is difficult for the user to identify the object by illuminating the infrared lamp in advance so that the object can be identified when shooting with the flash. It is effective.
또한, 본 발명은 적외선 램프를 이용하여 어두운 곳에서 물체를 식별하거나 적외선 영상을 촬영할 수 있도록 하여 사용자에게 편리함을 제공함은 물론 기기 선호도를 향상시킬 수 있는 효과도 달성할 수 있다. In addition, the present invention can be used to identify the object in a dark place or to take an infrared image by using an infrared lamp to provide convenience to the user as well as to achieve the effect of improving the device preference.
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