JPH09149391A - Television telephone device - Google Patents

Television telephone device

Info

Publication number
JPH09149391A
JPH09149391A JP7299932A JP29993295A JPH09149391A JP H09149391 A JPH09149391 A JP H09149391A JP 7299932 A JP7299932 A JP 7299932A JP 29993295 A JP29993295 A JP 29993295A JP H09149391 A JPH09149391 A JP H09149391A
Authority
JP
Japan
Prior art keywords
face area
camera
caller
image
detecting means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7299932A
Other languages
Japanese (ja)
Inventor
Hiroshi Tsukiji
宏 築地
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to JP7299932A priority Critical patent/JPH09149391A/en
Publication of JPH09149391A publication Critical patent/JPH09149391A/en
Pending legal-status Critical Current

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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Telephonic Communication Services (AREA)

Abstract

PROBLEM TO BE SOLVED: To transmit an image where the figure of a caller is normally added without a complicated operation such as camera direction adjustment by means of a caller and the movement of the call himself in a television telephone device. SOLUTION: The face area of the caller is detected in a face area detecting means 6 from image data inputted from a camera 1 and a camera control means 5 controls the direction of the camera 1 so as to display the detected face area in a previously set area at the center of a screen so that a position detecting means is not required to be provided in a handset. Therefore, the caller is not required to normally hold a receiver. So, the complicated operation such as the movement of the caller himself in accordance with the position of the camera 1 during a call and the adjustment of the direction of the camera 1 is not required and also the call can be made in a hand-free state so that the telephone call is executed more comfortably.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、通話者を撮像した
画像信号を符号化し、音声信号と共に電話回線を通して
送受信するテレビ電話装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a videophone device for encoding an image signal of a caller and transmitting / receiving it along with a voice signal through a telephone line.

【0002】[0002]

【従来の技術】従来のテレビ電話装置では、電話器本体
に設置されたカメラによって撮像された通話者を含む画
像信号を符号化し、符号化された音声信号と共に電話回
線を使って送受信している。通話者が送信を行う場合、
通話者は自分の姿が画面内に収まっているか等を確認す
るためにモニタの片隅に自画像を表示させながら通話を
行っていた。この時、モニタの片隅に表示させた自画像
内に通話者自身の画像が正しく表示されていない場合、
通話者の姿が画面内に収まるように通話者自身が移動し
たり、カメラの方向を調整するなどの動作が必要だっ
た。
2. Description of the Related Art In a conventional videophone apparatus, an image signal including a calling party, which is picked up by a camera installed in a telephone main body, is encoded and is transmitted / received together with the encoded voice signal using a telephone line. . If the caller is sending,
The caller was talking while displaying a self-portrait in one corner of the monitor in order to check if his or her figure was within the screen. At this time, if the caller's own image is not correctly displayed in the self-portrait displayed in one corner of the monitor,
It was necessary for the caller to move and adjust the direction of the camera so that the caller's appearance fits within the screen.

【0003】特開平6−315144号のテレビジョン
電話装置は、送受話器の発光部からの光ビームを電話器
本体に設置された光センサで受けて送受話器の位置を検
出し、送受話器が画面内に含まれるようにカメラの方向
を制御している。
In the television telephone apparatus disclosed in Japanese Patent Laid-Open No. 6-315144, the light beam from the light emitting portion of the handset is received by an optical sensor installed in the body of the handset to detect the position of the handset, and the handset displays a screen. The direction of the camera is controlled so that it is included in.

【0004】図8は上記テレビジョン電話装置の位置検
出を説明する図である。送受話器を持った通話者の室内
での移動にともない、送受話器の光ビーム発光部がX、
Y、Z座標系におけるA点に位置し、光ビーム発光部か
らの光ビームが電話器本体に設けられたスリット31
a、31bを介して2つのCCDセンサで検出される。
そして、CCDセンサの光ビーム検出位置とCCDセン
サの中心とのX、Y方向の距離に基づいて、光ビーム発
光部のX、Y座標及びY、Z座標がそれぞれ算出され
る。そして、算出された光ビーム発光部の座標に基づい
て、通話者を撮像するカメラの撮像範囲が制御される。
FIG. 8 is a diagram for explaining the position detection of the above-mentioned video telephone device. With the movement of the caller who has the handset in the room, the light beam emitting part of the handset becomes X,
The slit 31 located at the point A in the Y and Z coordinate system and provided with the light beam from the light beam emitting section on the telephone body.
It is detected by two CCD sensors via a and 31b.
Then, based on the distances in the X and Y directions between the light beam detection position of the CCD sensor and the center of the CCD sensor, the X, Y coordinates and the Y, Z coordinates of the light beam emitting portion are calculated. Then, based on the calculated coordinates of the light beam emitting unit, the imaging range of the camera that images the caller is controlled.

【0005】[0005]

【発明が解決しようとする課題】しかしながら上述した
テレビ電話装置では送受話器、電話器本体にそれぞれ位
置検出手段を設置する必要がある。また通話者は通話の
間、常に送受話器を保持し続けなければならない。
However, in the above-mentioned video telephone apparatus, it is necessary to install position detecting means in each of the handset and the telephone body. Also, the caller must always hold the handset during the call.

【0006】本発明はこのような事情に鑑みてなされた
ものであり、カメラから入力された画像信号から通話者
の顔領域を検出する顔領域検出手段と、検出された顔領
域が表示手段の予め定められた領域内に表示されるよう
にカメラの方向を調整するカメラ制御手段を有し、通話
者が送受話器を保持していない場合にも通話者自身がそ
の位置を移動したりカメラの方向を調整したりしなくて
も、撮像画面内に通話者の顔画像が含まれるようにカメ
ラの方向を制御できるテレビ電話装置を提供することを
目的とする。
The present invention has been made in view of the above circumstances, and the face area detecting means for detecting the face area of the caller from the image signal input from the camera, and the detected face area as the display means. It has a camera control unit that adjusts the direction of the camera so that it is displayed within a predetermined area, and even when the caller does not hold the handset, the caller can move its position or move the camera. An object of the present invention is to provide a videophone device capable of controlling the direction of a camera so that a face image of a caller is included in an image pickup screen without adjusting the direction.

【0007】[0007]

【課題を解決するための手段】本発明は上記目的を達成
するために、通話者の画像を撮像するカメラと、カメラ
から入力された画像から通話者の顔領域を検出する顔領
域検出手段と、検出された顔領域が表示手段の予め定め
られた領域内に表示されるようにカメラの方向を制御す
るカメラ制御手段と、カメラから入力された画像信号を
符号化する画像符号化手段と、受信した画像信号を復号
する画像復号手段と、復号された画像を表示するモニタ
と、音声信号を符号化/復号化する音声符号化/復号化
手段と、を有することを特徴とするテレビ電話装置であ
る。
In order to achieve the above object, the present invention provides a camera for picking up an image of a caller, and face area detecting means for detecting a face area of the caller from an image input from the camera. A camera control unit that controls the direction of the camera so that the detected face region is displayed in a predetermined region of the display unit; and an image encoding unit that encodes an image signal input from the camera. A videophone device comprising: an image decoding means for decoding the received image signal; a monitor for displaying the decoded image; and an audio encoding / decoding means for encoding / decoding an audio signal. Is.

【0008】[0008]

【作用】本発明のテレビ電話装置によれば、送受話器に
発光手段のような位置検出のための手段を設ける必要が
ないため、通話者は送受話器を常に保持しておく必要が
ない。したがって通話者はカメラの方向を調整したり、
カメラの位置や方向にあわせて移動するという繁雑な動
作から解放されるだけでなく、ハンドフリーな状態で快
適に通話を行うことが可能となる。
According to the video telephone apparatus of the present invention, since it is not necessary to provide a position detecting means such as a light emitting means in the handset, the caller does not need to always hold the handset. So the caller can adjust the direction of the camera,
Not only is it free from the complicated operation of moving in accordance with the position and direction of the camera, but it is also possible to talk comfortably in a hands-free state.

【0009】[0009]

【発明の実施の形態】以下、本発明の実施例について図
面を参照して以下に説明する。図1は本発明によるテレ
ビ電話装置の第1の実施例を説明するための図である。
図中、1はカメラ、2はモニタ、3はマイク、4はスピ
ーカ、5はカメラ制御手段、6は顔領域検出手段、7は
画像符号化/復号化手段、8は音声符号化/復号化手
段、9は全体制御部、10は多重・分離手段、11は回
線インターフェイス制御部、12がISDN回線であ
る。 カメラ1から撮像された通話者の画像はA/D変
換され、顔領域検出手段6と画像符号化/復号化手段7
に送られる。顔領域検出手段6では、後述する処理によ
って入力画像から通話者の顔領域を検出し、検出した顔
領域のモニタ2上の基準位置からの座標をカメラ制御手
段5へ送る。カメラ制御手段5は顔画像検出手段6から
の出力に基づき、検出した顔領域が画面内に予め設定さ
れている領域に近付くようにカメラの方向を調節する。
また、画像符号化/復号化手段7では入力画像を、例え
ばITU−T H.261のような画像符号化方式を使
って符号化を行う。符号化された画像信号は、マイク3
から入力され音声符号化/復号化手段8によって符号化
された音声信号と共に多重/分離手段10に送られ、多
重化された後にISDN回線のような電話回線を通って
相手側に送信される。一方、受信した信号は多重/分離
手段10で画像信号と音声信号に分離される。分離され
た音声信号は音声符号化/復号化手段8で復号化された
あと、スピーカ4へ、画像信号は画像符号化/復号化手
段7で復号されたあとモニタ2へそれぞれ送られる。次
に顔画像検出手段6での顔領域の検出方法を説明する。
BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram for explaining a first embodiment of a videophone device according to the present invention.
In the figure, 1 is a camera, 2 is a monitor, 3 is a microphone, 4 is a speaker, 5 is a camera control means, 6 is a face area detection means, 7 is an image encoding / decoding means, and 8 is a voice encoding / decoding. Means, 9 is an overall control unit, 10 is a multiplexing / demultiplexing unit, 11 is a line interface control unit, and 12 is an ISDN line. The image of the caller picked up from the camera 1 is A / D converted, and the face area detecting means 6 and the image encoding / decoding means 7 are displayed.
Sent to The face area detection means 6 detects the face area of the caller from the input image by the processing described later, and sends the coordinates of the detected face area from the reference position on the monitor 2 to the camera control means 5. Based on the output from the face image detection means 6, the camera control means 5 adjusts the direction of the camera so that the detected face area approaches a predetermined area on the screen.
Further, the image encoding / decoding means 7 converts the input image into, for example, ITU-T H.264. Encoding is performed using an image encoding method such as H.261. The encoded image signal is the microphone 3
Is sent to the multiplexer / demultiplexer 10 together with the voice signal input from the voice encoder / decoder 8 and multiplexed and then transmitted to the other party through a telephone line such as an ISDN line. On the other hand, the received signal is separated into an image signal and an audio signal by the multiplexer / demultiplexer 10. The separated audio signal is decoded by the audio encoding / decoding means 8, then sent to the speaker 4, and the image signal is sent to the monitor 2 after being decoded by the image encoding / decoding means 7. Next, a method of detecting a face area by the face image detecting means 6 will be described.

【0010】図2は顔領域検出手段6での処理の流れを
説明する図である。本実施例では、(1)通話者の顔の
色は肌色であること、(2)撮像された画像内で最も大
きな肌色領域が通話者の顔領域であること、を条件に顔
領域の検出を行う。
FIG. 2 is a diagram for explaining the flow of processing in the face area detecting means 6. In the present embodiment, the face area is detected on the condition that (1) the face color of the caller is a skin color, and (2) the largest skin color area in the captured image is the face area of the caller. I do.

【0011】A/D変換され入力された画像信号は、人
間が感覚的に取り扱いやすいとされる均等色空間、例え
ばマンセル色空間上の色相(H)、明度(V)、彩度
(C)に変換される(S2)。次に、画像上に顔領域検
出用の検出ブロックを設定する(S3)。ここでは画面
を複数画素からなる矩形ブロックに分割し、検出ブロッ
クとする。図3は本発明の第1実施例の検出ブロックの
設定方法を説明した図である。本実施例では、まず画面
を9ブロックに分割するようにブロックB1〜B9を設
定する。さらに検出の精度を向上させるため水平、垂直
方向にそれぞれ1/2ブロックずらした16ブロック
(B10〜B25)も設定する。またこの時画面中央の
ブロックB5を顔領域表示領域41としておく。続いて
設定したブロックの中から顔領域を検出する(S4)。
図4は顔領域の検出(S4)処理を説明する図である。
ここでは、設定されたブロックB1〜B25について以
下の処理を行う。まず最大画素数を0にセットする(S
11)。S12でブロック内の画素を走査し、HVCが
予め定めた肌色検出範囲に当たる画素の数をカウントす
ることによって肌色領域の面積を得る。次に得られた肌
色画素数と最大画素数を比較し(S13)、最大画素数
よりも大きければ最大画素数を置き換える(S14)。
処理S12〜S14をブロックB1〜B25について繰
り返し、最大画素数を示すブロックを通話者の顔領域と
する。図5にしめすように検出された顔領域42の画面
上での座標(X,Y)は、全体制御部9からカメラ制御
部5に送られ、検出されたブロックが画面中央の顔領域
表示領域41の位置にくるようにカメラの方向を制御す
る。次に、本発明の第2の実施例の顔画像検出手段6に
ついて説明する。図6は第2の実施例の顔領域検出手段
6での処理を説明する図である。A/D変換され入力さ
れた画像データは、第1の実施例と同じようにマンセル
色空間上の色相(H)、明度(V)、彩度(C)に変換
される(S21)。処理する画像が第1フレームならば
(S22)第1に実施例と同じように画面を分割して2
5ブロックを設定する(S23)。また第2フレーム以
降ならば、図7に示すように前回検出されたブロック6
2と、そのまわりの水平方向、垂直方向それぞれ1/2
ブロックだけ移動させた8ブロックB20〜B27をあ
わせた9ブロックを設定する。またこの時、第1の実施
例と同様に画面中央に顔領域表示領域41を設定してお
く。そして、設定した9ブロックで第1の実施例と同様
の処理によって顔領域を検出し、検出したブロックが顔
領域表示領域41に近付くようにカメラの方向を制御す
る。
The image signal that has been A / D converted and input is a uniform color space that humans can easily handle, for example, a hue (H), a lightness (V), and a saturation (C) on the Munsell color space. (S2). Next, a detection block for detecting a face area is set on the image (S3). Here, the screen is divided into rectangular blocks made up of a plurality of pixels to form detection blocks. FIG. 3 is a diagram illustrating a method of setting detection blocks according to the first embodiment of the present invention. In this embodiment, first, blocks B1 to B9 are set so that the screen is divided into 9 blocks. Further, in order to improve the detection accuracy, 16 blocks (B10 to B25) which are shifted by 1/2 block in the horizontal and vertical directions are also set. At this time, the block B5 at the center of the screen is set as the face area display area 41. Subsequently, a face area is detected from the set blocks (S4).
FIG. 4 is a diagram illustrating the face area detection (S4) processing.
Here, the following processing is performed on the set blocks B1 to B25. First, the maximum number of pixels is set to 0 (S
11). In step S12, the pixels in the block are scanned, and the area of the skin color region is obtained by counting the number of pixels corresponding to a predetermined skin color detection range by the HVC. Next, the obtained skin color pixel number is compared with the maximum pixel number (S13), and if larger than the maximum pixel number, the maximum pixel number is replaced (S14).
The processes S12 to S14 are repeated for the blocks B1 to B25, and the block showing the maximum number of pixels is set as the face area of the caller. Coordinates (X, Y) on the screen of the face area 42 detected as shown in FIG. 5 are sent from the overall controller 9 to the camera controller 5, and the detected block is the face area display area in the center of the screen. The direction of the camera is controlled so as to come to the position of 41. Next, the face image detecting means 6 according to the second embodiment of the present invention will be described. FIG. 6 is a diagram for explaining the processing in the face area detecting means 6 of the second embodiment. The image data that is A / D converted and input is converted into a hue (H), a lightness (V), and a saturation (C) in the Munsell color space, as in the first embodiment (S21). If the image to be processed is the first frame (S22), first the screen is divided into 2 as in the embodiment.
Five blocks are set (S23). If it is the second frame or later, as shown in FIG.
2 and 1/2 around it both horizontally and vertically
9 blocks including 8 blocks B20 to B27 moved by only the blocks are set. At this time, the face area display area 41 is set in the center of the screen as in the first embodiment. Then, the face area is detected from the set 9 blocks by the same processing as in the first embodiment, and the direction of the camera is controlled so that the detected block approaches the face area display area 41.

【0012】[0012]

【発明の効果】以上説明したように本発明のテレビ電話
装置によれば、従来技術のように送受話器に位置検出手
段を設ける必要がないため、通話者は通話中に常時受話
器を保持しておく必要がなくなる。従って通話中にカメ
ラの位置にあわせて通話者自身が移動したり、カメラの
方向を調節するといった繁雑な動作を行う必要がないだ
けではなく、ハンドフリーな状態での通話が可能とな
り、より快適に通話することができる。
As described above, according to the video telephone apparatus of the present invention, it is not necessary to provide the position detecting means in the handset as in the prior art, and therefore the caller always holds the handset during a call. There is no need to leave it. Therefore, it is not only necessary for the caller to move or adjust the direction of the camera according to the position of the camera during a call, but also it is possible to talk in a hands-free state, which is more comfortable. Can be called.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の第1の実施例を説明するためのブロッ
ク図。
FIG. 1 is a block diagram for explaining a first embodiment of the present invention.

【図2】本発明の顔領域検出手段での処理を示す図。FIG. 2 is a diagram showing processing by a face area detecting unit of the present invention.

【図3】(a)乃至(d)は本発明の顔領域検出方法を
説明する図。
3A to 3D are views for explaining the face area detection method of the present invention.

【図4】本発明の顔領域検出手段での検出ブロックの設
定方法を説明する図。
FIG. 4 is a view for explaining a method of setting detection blocks in the face area detecting means of the present invention.

【図5】本発明のカメラ制御手段を説明する図。FIG. 5 is a diagram illustrating camera control means of the present invention.

【図6】本発明の第2の実施例の顔領域検出手段での処
理を示す図。
FIG. 6 is a diagram showing processing by a face area detecting unit according to a second embodiment of the present invention.

【図7】(a)乃至(c)は本発明の第2の実施例の検
出ブロックの設定方法を説明する図。
7A to 7C are views for explaining a detection block setting method according to the second embodiment of the present invention.

【図8】従来技術を説明する図。FIG. 8 is a diagram illustrating a conventional technique.

【符号の説明】[Explanation of symbols]

1 カメラ 2 モニタ 3 マイク 4 スピーカ 5 カメラ制御手段 6 顔領域検出手段 7 画像符号化/複合化手段 8 音声符号化/複合化手段 DESCRIPTION OF SYMBOLS 1 camera 2 monitor 3 microphone 4 speaker 5 camera control means 6 face area detection means 7 image encoding / combining means 8 voice encoding / combining means

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】通話者を撮像するカメラと画像を表示する
ディスプレイを有し、撮像した画像信号を符号化して音
声信号と共に送受信するテレビ電話装置において、カメ
ラから入力された画像信号から通話者の顔領域を検出す
る顔領域検出手段と、顔領域検出手段の出力に基づい
て、顔領域が表示装置の予め定められた範囲内に映し出
されるようカメラの方向を制御するカメラ制御手段とを
有することを特徴とするテレビ電話装置。
1. In a videophone device having a camera for picking up an image of a caller and a display for displaying the image, and encoding and transmitting the picked-up image signal together with an audio signal, the caller's image signal is inputted from the camera. It has a face area detecting means for detecting a face area, and a camera control means for controlling the direction of the camera so that the face area is displayed within a predetermined range of the display device based on the output of the face area detecting means. A videophone device characterized by.
【請求項2】前記顔領域検出手段では画面を複数のブロ
ックに分割してブロック毎に判定を行い、顔領域と判定
されたブロックが画面中央付近の予め設定された領域内
に表示されるようにカメラの方向を制御することを特徴
とする請求項1記載のテレビ電話装置。
2. The face area detecting means divides the screen into a plurality of blocks and makes a judgment for each block so that the block judged as a face area is displayed in a preset area near the center of the screen. The videophone device according to claim 1, wherein the direction of the camera is controlled.
【請求項3】前記顔領域検出手段では画面を複数のブロ
ックに分割し、ブロック内の画素の色相、彩度、明度か
ら顔領域の判定を行うことを特徴とする請求項1記載の
テレビ電話装置。
3. The videophone according to claim 1, wherein the face area detecting means divides the screen into a plurality of blocks, and judges the face area from the hue, saturation, and lightness of the pixels in the block. apparatus.
【請求項4】前記顔領域検出手段では、第1フレームに
対しては画面全体に検索ブロックを設定し、第2フレー
ム以降では前フレームでの顔領域検出位置のまわりの特
定領域に限って検索ブロックを設定することを特徴とす
る請求項1記載のテレビ電話装置。
4. The face area detecting means sets a search block on the entire screen for the first frame, and searches only a specific area around the face area detecting position in the previous frame after the second frame. The videophone device according to claim 1, wherein blocks are set.
JP7299932A 1995-11-17 1995-11-17 Television telephone device Pending JPH09149391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7299932A JPH09149391A (en) 1995-11-17 1995-11-17 Television telephone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7299932A JPH09149391A (en) 1995-11-17 1995-11-17 Television telephone device

Publications (1)

Publication Number Publication Date
JPH09149391A true JPH09149391A (en) 1997-06-06

Family

ID=17878683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7299932A Pending JPH09149391A (en) 1995-11-17 1995-11-17 Television telephone device

Country Status (1)

Country Link
JP (1) JPH09149391A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343945A (en) * 1998-11-18 2000-05-24 Sintec Company Limited Photographing or recognising a face
JP2002516535A (en) * 1998-05-15 2002-06-04 ピクチャーテル コーポレイション Audio source positioning
JP2004272933A (en) * 2004-06-03 2004-09-30 Toshiba Corp Face image monitoring system
JP2008164839A (en) * 2006-12-27 2008-07-17 Fujifilm Corp Photographing apparatus and focusing method
WO2010061493A1 (en) * 2008-11-27 2010-06-03 パナソニック株式会社 Video processing apparatus and video processing method
JP2010161704A (en) * 2009-01-09 2010-07-22 Nec Corp Mobile terminal, photographing control method thereof, program, and recording medium
US8390665B2 (en) 2009-09-03 2013-03-05 Samsung Electronics Co., Ltd. Apparatus, system and method for video call
US8749609B2 (en) 2009-09-03 2014-06-10 Samsung Electronics Co., Ltd. Apparatus, system and method for video call

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002516535A (en) * 1998-05-15 2002-06-04 ピクチャーテル コーポレイション Audio source positioning
GB2343945A (en) * 1998-11-18 2000-05-24 Sintec Company Limited Photographing or recognising a face
GB2343945B (en) * 1998-11-18 2001-02-28 Sintec Company Ltd Method and apparatus for photographing/recognizing a face
JP2004272933A (en) * 2004-06-03 2004-09-30 Toshiba Corp Face image monitoring system
JP2008164839A (en) * 2006-12-27 2008-07-17 Fujifilm Corp Photographing apparatus and focusing method
JP4725802B2 (en) * 2006-12-27 2011-07-13 富士フイルム株式会社 Imaging apparatus, focusing method, and focusing program
WO2010061493A1 (en) * 2008-11-27 2010-06-03 パナソニック株式会社 Video processing apparatus and video processing method
JP2010161704A (en) * 2009-01-09 2010-07-22 Nec Corp Mobile terminal, photographing control method thereof, program, and recording medium
US8390665B2 (en) 2009-09-03 2013-03-05 Samsung Electronics Co., Ltd. Apparatus, system and method for video call
US8749609B2 (en) 2009-09-03 2014-06-10 Samsung Electronics Co., Ltd. Apparatus, system and method for video call

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