^01707 五、發明說明（1) 本發明係有關影像擷取方法之發明，尤其係有關以非 機械式取得影像擷取區域及方向之方法。 一般影像電話設有影像擷取裝置以攝取所要傳送之影 像；影像擷取裝置之鏡頭有固定式或轉動式。請參閱圖1A 所示固定式之鏡頭1其取景範圍從左側攝像界限1 1到右側 攝像界限1 2之間，通話者1 3需對準鏡頭方向，才能清晰傳 送通話者13之影像，當如圖1 B所示通話者13超出其取景 範圍時，即無法攝取通話者13之影像。轉動式之鏡頭係以 控制鍵或搖桿輸出訊號至馬達控制器，用以控制馬達轉動 方向及轉動董，請參閱圖1C所示，使馬達帶動鏡頭1轉動 0角度使其方向對正通話者1 3。該等必須以機械結構調整 鏡頭方向且需常用手動控制鏡頭轉動方向之設計，當通話 者於距離較遠處，或手忙於其他工作不方便操作控制鍵或 搖桿時，即無法調整鏡頭之方向，使用上仍有不便需改進 之處，故有本案之發明。 本案之一目的在提供一種影像擷取區域及方向非機械 式之取得方法。 本案之另一目的在提供一種不需調整鏡頭方向可自動 擷取所需影像之方法。 本案之其他目的、功效及實施例，請參閱圖式所示詳 細說明如下： 圖式簡單說明： 圚1為習用影像擷取裝置所攝取影像範圍示意圖。 圖2為本案影像擷取裝置所攝取影像範圍示意圖。^ 01707 V. Description of the invention (1) The present invention relates to an invention of an image capturing method, and particularly relates to a method for obtaining an image capturing area and direction by a non-mechanical method. A general image phone is provided with an image capture device to capture the image to be transmitted; the lens of the image capture device is fixed or rotated. Please refer to the fixed lens 1 shown in FIG. 1A. The framing range is from the left camera limit 1 1 to the right camera limit 1 2. The caller 13 needs to be aligned with the lens direction to clearly transmit the image of the caller 13. When the caller 13 shown in FIG. 1B is out of the viewing range, the video of the caller 13 cannot be captured. The rotating lens outputs a signal to the motor controller with a control key or a joystick to control the rotation direction and rotation of the motor. Please refer to Figure 1C, make the motor drive the lens 1 to rotate 0 degrees to make the direction of the caller. 1 3. These designs must use a mechanical structure to adjust the lens direction and often require manual control of the lens rotation direction. When the caller is far away, or his hands are busy with other work and it is inconvenient to operate the control keys or joystick, the lens direction cannot be adjusted. However, there are still inconveniences in use and improvements are needed, so there is an invention in this case. One of the purposes of this case is to provide a non-mechanical method for obtaining the image capture area and direction. Another object of this case is to provide a method for automatically capturing a desired image without adjusting the lens direction. For other purposes, functions, and embodiments of this case, please refer to the drawings for detailed descriptions as follows: The drawings are briefly explained: 圚 1 is a schematic diagram of the range of images captured by a conventional image capture device. FIG. 2 is a schematic diagram of an image range captured by an image capturing device of the present case.
D:\專利\申請案\取得方法.ptd 第4頁 401707 五、發明說明（2) 圖3為本案影像擷取區域及方向非機械式之取得方法流程 圈。 圖4為本案自動控制影像擷取區域及方向之方法流程 圈0 主要部分代表符號： 1銳頭 1 1左側攝像界限 1 2右側攝像界限 1 3通話者 14左邊取像界限 15右邊取像界限 1 6小影像 1 7大影像 目前影像擷取裝置取得之影像像素（pixel)分為·· 352*288、512*512、640*480、1024*768 ;影像傳輸及影 像顯示裝置之傳送及顯示影像像素一般規範為：128*96、 176*144、352*288、704*576。一般影像電話所常用影像 傳輸之像素為176*144較影像擷取裝置攝取影像352*288或 512*512之像素少。 自彩像擷取裝置擷取之影像一般是將整個畫面壓縮或 以固定方式截取配合影像顯示襞置大小之影像加以傳輸至 影像顯示裝置’無法使影像顯示裝置僅顯示影像擷取裝置 所攝取影像中之任一區域及方向之影像，故乃需要轉動鏡 頭方向才能使影像顯示裝置顯示所需要之影像。 請參閲圈2A、B、C所示，本案之鏡頭1可採廣角或魚 眼鏡頭以攝取廣大範圍之影像’故通話者13在鏡頭1前方 之任何位置皆包含在其所攝取影像左、右側攝像界限丨丨、 1 2範圍内。D: \ Patents \ Applications \ Acquisition Method.ptd Page 4 401707 V. Description of the Invention (2) Figure 3 shows the non-mechanical acquisition method flow of the image capture area and direction in this case. Figure 4 The flow of the method for automatically controlling the area and direction of image capture in this case. Circle 0 The main part of the symbol: 1 sharp head 1 1 left camera limit 1 2 right camera limit 1 3 caller 14 left camera limit 15 right camera limit 1 6 small images 1 7 large images The current image pixels obtained by image capture devices are divided into 352 * 288, 512 * 512, 640 * 480, 1024 * 768; image transmission and image display device transmission and display images The general pixel specifications are: 128 * 96, 176 * 144, 352 * 288, 704 * 576. The number of pixels transmitted by common video phones is 176 * 144, which is less than the number of pixels captured by image capture devices: 352 * 288 or 512 * 512. The image captured from the color image capture device is generally compressed or captured in a fixed manner with an image display setting size and transmitted to the image display device. 'The image display device cannot display only the image captured by the image capture device. In any area and direction of the image, the direction of the lens needs to be turned in order for the image display device to display the required image. Please refer to circles 2A, B, and C. The lens 1 in this case can adopt a wide-angle or fisheye lens to capture a wide range of images. Therefore, any position of the caller 13 in front of the lens 1 is included in the captured image. Right camera limits 丨 丨, 1 2 range.
五、發明說明（3) 請參閱圖2B、C所示，本案提供之新技術在於經由控 制訊號啟動CPU選取銚頭1取景範圍中的左、右邊取像界限 1 4、1 5所界定區間之影像，其中小影像1 6之像素宽為η ， 大彩像1 7之像素宽為m，假設要傳輸之影像像素為 176*144，且η < 176<m，則小影像16要再經過將影像放大 到要傳輸像素1 76之處理後，才傳送到影像顯示裝置；而 大影像1 7要再經過將影像壓縮到1 7 6像素之處理後才傳送 到影像顯示裝置上。 本案之實施步驟請參閱圖3所示說明如下： (1 )影像擷取裝置攝取影像資訊； (2)包括區域及方向之控制訊號傳至CPU(中央處理單元）使 CPU選取影像資訊中相對區域及方向之部分影像資訊； (3 ) CPU將所選取之部分影像資訊經由放大或縮小處理適合 大小像素後傳送到影像顯示裝置； (4)影像顯示裝置上顯示所需要之影像。 經由本案之方法，配合廣角或魚眼鏡頭攝取較廣範圍 之影像，及配合相關之影像資訊處理技術，即可使影像顯 示裝置顯示影像擷取裝置所攝取影像中所需區域及方向之 部分影像’而不需如習用者需調整鏡頭對準方向，才能使 影像顯示裝置顯示所需要之影像。 本案上述步驟（2)中之控制訊號可由滑鼠、軌跡球、 數位板、控制鍵或搖桿選取所要顯示部分影像之區域及方 向後操作傳送至CPU。在一般保全、監控裝置或影像電話 的影像擷取裝置之鏡頭所攝取之影像中，活動之影像例如V. Description of the invention (3) Please refer to Figures 2B and C. The new technology provided in this case is to activate the CPU through the control signal to select the left and right image capture limits 14, 15 of the framing range of the hoe 1. Image, where the pixel width of the small image 16 is η and the pixel width of the large color image 17 is m. Assuming that the image pixels to be transmitted are 176 * 144, and η < 176 < m, the small image 16 will pass through The image is enlarged to the processing of transmitting pixels 1 76 before being transmitted to the image display device; and the large image 17 is transmitted to the image display device after being processed to compress the image to 176 pixels. Refer to Figure 3 for the implementation steps of this case. The description is as follows: (1) The image capture device captures the image information; (2) The control signal including the area and direction is transmitted to the CPU (central processing unit) so that the CPU selects the relative area in the image information And direction part of the image information; (3) the CPU sends the selected part of the image information to the image display device after enlarging or reducing processing to fit the size pixels; (4) the image display device displays the required image. Through the method of this case, with a wide-angle or fisheye lens to capture a wide range of images, and with related image information processing technology, the image display device can display part of the image in the desired area and direction in the image captured by the image capture device 'It is not necessary for the user to adjust the lens alignment direction so that the image display device can display the required image. The control signal in the above step (2) of this case can be selected by the mouse, trackball, tablet, control key or joystick to select the area and direction of the part of the image to be displayed and transfer it to the CPU. Among the images captured by the lens of an image capture device of a general security, surveillance device, or video phone, the moving image is, for example,
D:\專利\申請案\取得方法ptd 第6頁 401707 五、發明說明（4) 人之影像較不動之背景影像更為重要。本案之另一特點係 提供一自動偵測活動影像資訊，進而提供控制訊號使影像 顯示裝置自動顯示該活動影像之方法，請參閱圖4所示說 明如下： (1 )影像擷取裝置攝取影像資訊； (2)由CPU讀取影像資訊中之活動影像部分，設定其區域及 方向，並選取該活動影像部分資訊； (3 ) C P U將所選取之活動影像部分資訊經由放大或縮小處理 適合大小像素後傳送到影像顯示裝置； (4 )影像顯示裝置上顯示所需要之活動影像。 本案使影像顯示裝置顯示影像擷取裝置所攝取影像中任 何區域及方向之部分影像，而不需如習用者需調整鏡頭對 準方向，才能使影像顯示裝置顯示所需要之影像，其發明 之理念及所獲得的效果已超越習知技術之範疇；又本案經 由CPU選取所需要之活動影像資訊做為傳送影像之範圍， 而不需以手動操作按鍵或搖桿，即可達成使所需要之活動 影像自動顯像於影像顯示裝置之中央區，且已大幅提升影 像電話之實用功效，應已合於發明專利要件。D: \ Patents \ Applications \ Acquisition methods pdd page 6 401707 V. Description of the invention (4) The image of the person is more important than the immobile background image. Another feature of this case is to provide an automatic detection of moving image information, and then provide a method for controlling the signal to cause the image display device to automatically display the moving image. Please refer to the description shown in Figure 4 as follows: (1) The image capture device captures the image information ; (2) the CPU reads the moving image part of the image information, sets its area and direction, and selects the moving image part information; (3) the CPU processes the selected moving image part information to fit the size pixels by enlarging or reducing And then transmitted to the image display device; (4) the required moving image is displayed on the image display device. This case enables the image display device to display part of the image in any area and direction in the image captured by the image capture device, without the need for the user to adjust the lens alignment direction, so that the image display device can display the required image. The concept of its invention And the obtained effect has exceeded the scope of the conventional technology; and in this case, the required moving image information is selected by the CPU as the range of the transmitted image, and the required activities can be achieved without manually operating the buttons or joysticks. The image is automatically displayed in the central area of the image display device, and the practical effect of the image phone has been greatly improved, which should be in line with the requirements of the invention patent.
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