五、發明説明（、 〜'' 一·一 發明領域： 本發月係有關於一種掃瞄系統之校準方法。特别是使 用於調整掃跑系統之電荷藕合元件與透鏡之校準 與方法.。V. Description of the invention (, ~ ~) 1.1 Field of the Invention: This issue is about a calibration method for a scanning system. In particular, it is used to adjust the charge coupling element and the lens calibration method for the scanning system.
V 發明背景： ，傳統掃描系統可概略的分成二個部份，掌上型與平台 型系统。掃瞄系統使用聚焦的反射光來經由光子偵測器 (P h。t。d e t e c t 0 r )產生一種影像信號以做影像處理之 ^。傳統的掃瞄裝置包括一可見光源，一鏡片以及一透鏡 組以引導反射光至CCD。影像擷取的典型方法是將文件通 過置於前方的CCD裝置。CCD裝置是由許多小而個别的半 導體接收器以線性陣列排列所組成。文件經CCD掃過後 文件的個别線性片段爲CCD所擷取。一預處理元件，用以 回應一影像信號並調整影像信號之直流增益，一類比至數 位信號器則用以轉換經調整的影像信號成數位信號，而後 處理元件則是用以產生經由反白、陰影及伽偈校正處理之 影像碼。 校準是一設定掃瞄系統的重要步驟。它需要校準板 (alignment pad)l〇以供校準，如第一圖所示。校準板 包括了 一組黑色圖樣i 2作邊界校準之用。邊界校準是用 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (請先閲讀背面之注意事項再填寫本莧) ί,Λ' 經濟部智慧財產局員工消費合作社印製 A74Q3884 _ B7 經濟部中央標準局員工消費合作社印装 五、發明説明（） Τ'~~ — 以界定CCD所欲掃聪的範園.校準板1〇的高度供水平校 準是用。水平校準決定了 CCD所掃瞒乂的線是否.水平。透鏡 的解析度是由校準板1〇的垂直線組〗14所決定。校準信號 反應至示波器上以供分析之用。然而分析示波器上的校準 信號要達成CCD與透鏡的眞正結果是非常難的。使用傳統 的校準方法，水平、垂直解析度與透鏡之放大率値都不能 準確取得。另外邊界校準與解析度分析也不能同時做到。 因此’ CCD與透鏡的是很難用傳統：的校準方法來做的。 於是乎一種供掃瞄系統CCD與透鏡的校準方法是極 爲需要的。 發明目的及概述： 鑒於上述之發明背景中之缺點，本發明掃瞄系統包括 了擴取物件的.影像的影像感知器（image sensor)。校準板 置於影像感知器的前方。透鏡置於校準板與影像感知器之 間。校準板包括一组邊界校準圖樣分别連接到校準板的兩 終端。在校準板形成至少一組、三袓更佳的分析圖樣。解 析度分析圖樣是用以求得透鏡的解析度。每一組解析度分 析圖樣包括了一水平分析解析度圖樣，一垂直解析度分析 圖樣。水平分析解析度圖樣是由垂直線組以分析透鏡的水 平分析解析度。每一垂直以等距分關。垂直解析度分析圖 樣是由不透明線组所組成用以分析造鏡的垂直解析度。這 (請先閲讀背面之注意事項再填寫本頁) 裝-----V BACKGROUND OF THE INVENTION: Traditional scanning systems can be roughly divided into two parts, palm-type and platform-type systems. The scanning system uses the focused reflected light to generate an image signal through a photon detector (P h. T. De e t e c t 0 r) for image processing ^. The conventional scanning device includes a visible light source, a lens, and a lens group to guide the reflected light to the CCD. The typical method for image capture is to pass the document through a CCD device placed in front. The CCD device is composed of many small and individual semiconductor receivers arranged in a linear array. After the document is scanned by the CCD, individual linear segments of the document are captured by the CCD. A pre-processing element is used to respond to an image signal and adjust the DC gain of the image signal. An analog-to-digital annunciator is used to convert the adjusted image signal into a digital signal, and a post-processing element is used to generate Image code for shading and gamma correction. Calibration is an important step in setting up a scanning system. It requires an alignment pad 10 for calibration, as shown in the first figure. The calibration board includes a set of black patterns i 2 for boundary calibration. Boundary calibration is based on Chinese paper standard (CNS) A4 specification (210X297 mm) using this paper scale (please read the notes on the back before filling in this note) ί, Λ 'Printed by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs A74Q3884 _ B7 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs. 5. Description of the invention () T '~~ — To define the saturating fan garden of the CCD. The height of the calibration plate 10 is used for horizontal calibration. The horizontal calibration determines whether the line hidden by the CCD is horizontal. The resolution of the lens is determined by the vertical line group 14 of the calibration plate 10. The calibration signal is reflected on the oscilloscope for analysis. However, it is very difficult to analyze the calibration signal on the oscilloscope to achieve the correct result of CCD and lens. With traditional calibration methods, horizontal and vertical resolutions and the magnification of the lens cannot be accurately obtained. In addition, boundary calibration and resolution analysis cannot be done at the same time. Therefore, the CCD and lens are difficult to do with traditional: calibration methods. Therefore, a calibration method for the CCD and the lens of the scanning system is extremely needed. Object and Summary of the Invention: In view of the shortcomings in the above background of the invention, the scanning system of the present invention includes an image sensor for enlarging an image of an object. The calibration plate is placed in front of the image sensor. The lens is placed between the calibration plate and the image sensor. The calibration board includes a set of boundary calibration patterns connected to the two terminals of the calibration board. Form at least one set of three or more analysis patterns on the calibration plate. The resolution analysis pattern is used to obtain the resolution of the lens. Each set of resolution analysis patterns includes a horizontal analysis resolution pattern and a vertical resolution analysis pattern. The horizontal analysis resolution pattern is a group of vertical lines to analyze the horizontal analysis resolution of the lens. Each vertical divides at equal intervals. The vertical resolution analysis pattern is composed of opaque line groups to analyze the vertical resolution of the mirror. This (Please read the notes on the back before filling this page)
1T - — •ο- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 403884 A7 B7 五、發明說明（ 些不透明線組以相對於垂直線傾斜 1 〇度爲佳。 由影像感知器所该測的信號傳至特殊應用積體電路 (AS IC)以產生校正數據。料校正數據讀進暫存器 並加以儲存。數據由電腦作更進一步的處理。處理後的數 據在電腦的監示器上顯示。電腦回應這些信號並且在監示 器上以灰階模式顯示校正數據。在監示器上顯示之數據分 成三個主要部份第一部份與透鏡的解析度有關。第二部份 包括了依據邊界校正圖樣得到的校正信號。第三部份則是 用以顯示有關透鏡解析度的値。 r 圖式簡單説明： i -------------裝-----1 (請先閱讀背面之注意事項再填寫本頁)1T-— • ο- This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm) 403884 A7 B7 V. Description of the invention (Some opaque line groups are preferably inclined at 10 degrees relative to the vertical line. Perceived by the image The signal measured by the device is transmitted to the special application integrated circuit (AS IC) to generate calibration data. The calibration data is read into the temporary memory and stored. The data is further processed by the computer. The processed data is stored in the computer Display on the monitor. The computer responds to these signals and displays the calibration data in grayscale mode on the monitor. The data displayed on the monitor is divided into three main parts. The first part is related to the resolution of the lens. The second part includes the correction signal obtained based on the boundary correction pattern. The third part is used to display the resolution of the lens. R The diagram is simply explained: i ------------- Loading ----- 1 (Please read the precautions on the back before filling this page)
經濟部智慧財產局員工消費合作社印S 本發明的較佳實.施例將於往後之説明文字中輔以下 列圖形做更詳細的闡述： 第一圖爲一依據以往使用的校準板剖析圖。 t 第二A圖爲一依據本發明所繪的校準板之作置剖析圖 第二B圖爲另一個依據本發明所繪的校準板之佈置剖析 圖。 第三圖爲一依據本發明所繪的的校準板剖析圖 第四圖爲一依據本發明所繪之校準方法流程圖。 第五圖爲依據本發明所得之校準數據其展示在監示器 上0 本紙張尺度適用中國國家標準（CNS)A4規：公帛 訂 A7 403884 b7 五、發明說明（） 圖號對照表： 校準板. 10 黑色圖樣 12 垂直線組 14 影像感知器 2 0 平面鏡組 4 5 邊界校準圖樣 3 2 校準板 3 0 透鏡 4 0 X解析度分析圖樣 3 4a r Y解析度分析圖樣 3 4b 影像感知器 4 0 0 暫存器 4 2 0 電腦 4 3 0 顯示器 4 4 0 三個主要數據部份 500' 510' 與 520 校準信號之峰値 5 12 (請先閱讀背面之注音？事項再填寫本頁) 』-裝The Intellectual Property Bureau of the Ministry of Economic Affairs's Consumer Cooperatives Co-prints the best practice of the present invention. The examples will be explained in more detail in the following explanatory text with the following figures: The first figure is an analysis diagram based on the calibration plate used in the past . t The second diagram A is an exploded view of the arrangement of a calibration plate drawn according to the present invention. The second diagram B is an analytic diagram of the layout of another calibration plate drawn according to the present invention. The third figure is an exploded view of a calibration plate drawn according to the present invention. The fourth figure is a flowchart of a calibration method drawn according to the present invention. The fifth figure is the calibration data obtained in accordance with the present invention and it is displayed on the monitor. 0 The paper size is applicable to the Chinese National Standard (CNS) A4: public order A7 403884 b7. 5. Description of the invention () Drawing number comparison table: Calibration Plate. 10 Black pattern 12 Vertical line group 14 Image sensor 2 0 Plane mirror group 4 5 Boundary calibration pattern 3 2 Calibration plate 3 0 Lens 4 0 X-resolution analysis pattern 3 4a r Y-resolution analysis pattern 3 4b Image sensor 4 0 0 Register 4 2 0 Computer 4 3 0 Display 4 4 0 The peak of the three main data sections 500 '510' and 520 calibration signals 値 5 12 (Please read the note on the back? Matters before filling this page) 』 -Load
-I訂ί J------沪I 經濟部智慧財產局員工消費合作社印製 發明詳細説明： 本發明揭示了供掃瞄系統使用之C C D與透鏡解析 度分析的校準方法。本發明之詳細説明如下：第二圖A — 掃瞄系統包括一影像感知器如C C D或C I S以擷取物 件的影像。在本實施例中，一影像感知器2 0設定於掃瞄 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） A7 "4-0 3881----- ' -- - 五、發明說明（） 系統之中。校準板3 〇置於影像感知器2 〇的前方。校準 板3 0位於供放置待掃瞄的文件的位子。透鏡4 〇置於校 準板3 0與影像感知器2 〇之間。此广校準板也可以不安 置於影像感知器2 〇的前方，一如第;二圖B所示。校準板 3 0由平面鏡組4 5回應給影像感知器2 〇。這些是眾所 白知因此在此將不再贊述。 爲更詳細的描述本發明，校準板3 〇的圖樣示於第三 圖。校準板3 0包括一组邊界校準圖樣3 2分别連接到校 準板3 0的兩終端。邊界校準圖樣3 2甩以確認所欲掃描 的範園。邊界校準圖樣3 2的顏色必須不同於鄰近區域。 例如邊界校準圖樣3 2是白的则校準板3 〇的顏色可以 是黑色的。也就是説邊界校準圖樣3 2與校準板3 〇的顏 色分别疋白色和黑色。必須注意的是任何適當的顏色都可 做爲邊界校準圖樣3 2與校準板3 〇的顏色並不局限於 黑或白。這樣的安排主要是用以生成信號尖峰。影像感知 器2 0可由信號尖峰是否生成確認是否安置在適當的位 置。校準圖樣3 2的形狀可以是長方形正方形或任何的通 當形狀。 在校準板3 0上形成至少一組、三組更佳的解析度分 析圖樣3 4。第一組解析度分析圖樣3 4位於校準板3 〇 的中〜部位。第二、第三組分别形成於第一組解析度分析 圖樣3 4的右側和左側。此外第二、第三組解析度分析圖 本紙張尺度適用中國國家標準（CNS)A4規格（210x297公釐） (請先閱讀背面之注意事項再填寫本頁) -IF---------裝-------f — 訂、----- η— f \-I Order J ------ Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs of Shanghai. Detailed description of the invention: The present invention discloses a calibration method for C C D and lens resolution analysis used by a scanning system. The detailed description of the present invention is as follows: FIG. 2A-The scanning system includes an image sensor such as CC or CI to capture the image of the object. In this embodiment, an image sensor 20 is set to scan the paper. The size of the paper applies to the Chinese National Standard (CNS) A4 (210 X 297 mm) A7 " 4-0 3881 ----- '- -5. Description of the invention () In the system. The calibration plate 3o is placed in front of the image sensor 2o. The calibration plate 30 is located in a place for the document to be scanned. The lens 40 is placed between the calibration plate 30 and the image sensor 2o. This wide calibration plate can also be placed in front of the image sensor 20, as shown in Figure 2 and Figure 2. The calibration plate 30 is responded to the image sensor 20 by the plane mirror group 45. These are known to all and therefore will not be praised here. In order to describe the present invention in more detail, the pattern of the calibration plate 30 is shown in the third figure. The calibration board 30 includes a set of boundary calibration patterns 32 connected to two terminals of the calibration board 30 respectively. Boundary calibration pattern 3 2 Shake to confirm the range to be scanned. The color of the boundary calibration pattern 32 must be different from the adjacent area. For example, if the boundary calibration pattern 32 is white, the color of the calibration plate 30 may be black. In other words, the colors of the boundary calibration pattern 32 and the calibration plate 30 are white and black, respectively. It must be noted that any suitable color can be used as the color of the boundary calibration pattern 3 2 and the calibration plate 3 0 and is not limited to black or white. This arrangement is mainly used to generate signal spikes. The image sensor 20 can determine whether a signal spike is generated or not to place it in an appropriate position. The shape of the calibration pattern 3 2 may be a rectangular square or any general shape. At least one and three sets of better resolution analysis patterns 34 are formed on the calibration plate 30. The first set of resolution analysis patterns 34 is located at the middle to the position of the calibration plate 30. The second and third sets are formed on the right and left sides of the first set of resolution analysis patterns 34, respectively. In addition, the second and third sets of resolution analysis charts are based on the Chinese National Standard (CNS) A4 specification (210x297 mm) (Please read the precautions on the back before filling this page) -IF ------- -装 ------- f — order, ----- η— f \
經濟部智慧財產局員工消費合作社印M r^__403884 經濟部智慧財產局員工消費合作社印製 五、發明說明（） 樣也分别連接於邊界校準圖樣組3 2。 第一組解析度分析圖樣3 4的反射光朿由透鏡4 0 所聚禁。然後經聚集之光朿傳到影像感知器2 〇以產生影 像信號。影像信號可以_分析'透鏡4 〇的解析度。這意謂著 當光為在校準板3 0的中心部份掃描.時解析度分析圖樣 3 4可用以求得透鏡4 〇的解析度。同理當光源在被掃描 物件的右手邊和左手邊掃描時，第_二、第三組解析度分析 圖樣3 4可分别用以分析透鏡4 〇的解析度〇 r 每一組解析度分析圖樣3 4包括一水平（X解析度） 分析圖樣3 4 a和一垂直（γ解析度）分析圖樣3 4 b。 X解析.度分析圖樣3 4 a由垂直線組組成用以分析透鏡 的垂直解析度。每一垂直線以等距分開。而間距大小由設 計者所要的解析度來決定。由解析度分析圖樣3 4所回應 的信號反應到電腦的監示器並且以調制轉換函數Μ T F (modulation transfer functi〇n) 。 Υ 解析度垂直解析度 分析圖樣3 4 b是由不透明線組所組成用以分析透鏡的 垂直解析度。這些不透明線組以相對於垂直線傾斜5 _丄〇。 爲佳。 解析度分析圖樣是用以求得透鏡的解析度。每—組解 析度分析圖樣包括了 一水平·分析解析度圖樣，一垂直解析 度分析圖樣。水平分析解析度圖樣是由垂直線組組成。每 (請先閲讀背面之注意事項再填寫本頁) ----------------I -------.裝---------訂.---S------^.、 n H II · -n 本纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 403884 A7 B7 五、發明說明（ 一垂直線以等距分開。垂直解析度分析圖樣是由不透明線 組所組成用以分析透鏡的垂直解析度。這些不透明線組以 相對於垂直線傾斜5 -10度爲佳。傾f角愈大得到愈高的 Y解析度但X解析度則愈低。因此傾斜線可用以表現Y解 析度的品質。 進一步地説，第二、第三組解析度分析圖樣3 4可提 供更多的好處一如以下所述：影像扁知器2 〇在未完全安 裝好掃描器前也可以不垂直於透鏡40。因此，第二、第 三組解析度分析圖樣3 4可用以提供邦斷影像感知器2 0是否與透鏡4〇垂直。假如第二、第三組解析度分析圖 樣3 4疋一樣的話它意味著影像感知器2 〇與透鏡4〇是 垂直的。由解析度移動.的變化操作者便可以判斷影像感_知 器20與透鏡4〇如何校準。 此外，使用X、Y解析度分析圖樣3 4可以得知透鏡 4〇的放大率m。眾所周知理論上像素A的多寡可由第二、 第二組解析度分析圖樣3 4之間的距離L來決定。假設影 像感知器2 0所掃描的像素的數目是B那麼透鏡4〇的放 大率m便由下列公式所決定：ra = l-(A-B)/A。 第四圖所示爲根據本發明的方法所作的流程。影像感 知益4 0 0所偵測的信號由特殊應用積體電路（ASIC)接收 以產生校準數據。緊接著校正數據讀進暫存器42 0並加以 砂張尺度適用中國國家標準 (請先閱讀背面之注意事項再填寫本頁) '裝-------—訂 ----------#-v 經濟部智慧財產局員工消費合作社印製 經濟部智慧財產局員工消費合作社印製 403884 a? __- __ B7_________ 五、發明說明（） 儲存。數據由電腦4 3 〇作更進一步的處埋。處理後的數據 在顯示器44〇上顯示。例如，電腦430的監示器。 電腦43〇回應這些信號並且在監示器44〇上以灰階模 式顯示校正數據以供校正。爲了正確調整校正數據影像感 知器' 4 0 0掃描之校準圖樣的影像顯示在監示器4 4 〇上顯 示，如第五圖所示。在監示器上顯示之數據分成三個主要 .部份5 0 0、5 1 0 '與5 2 0。第—部份5 〇 〇與透鏡4 0的有關。 這三組分析圖樣3 4 —個接著—個的顯示。舉例來説解析 度可以以條狀圖表示。枝準板之中心、左邊、和右邊部份 的解析度在第一部份500顯示。而第二數據部份包括了根 據邊界校準圖樣3 2所得之校正信號。假如影像感知器2 0所掃過的區域.是吾人所要的範圍（也就是説欲掃描之物 件完全爲影像感知器所掃描）則校準信號之峰値5丨2將被 分别的在監示器上顯示。由於邊界校準圖樣32與校準板 3 〇或者鄰接邊界校準圖樣3 2的範圍顏色是不相同的，第 三數據部份52〇用以顯示透鏡之解析度的値 本發明之透鏡和影像感知器校準方法與過去相比較 要簡單 '的多。監示器上顯示的是透鏡的解析度以圖和數値 來表示，對搡作者來説它提供方便的參考訊息。另外邊界 校準信號也可以同時展示在監示器上。 以上所述僅爲本發明之較佳實施例而已，並非用以限 本紙張尺度適用中國國家標準（CNS)A4規格（2.1〇 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) I!---.------- 裝-------**-1 ---：-----------------： Γ A7 B7 403884 五、發明說明（） 定本發明之申請專利範圍；凡其它未脱離本發明所揭示之 精神下所完成之等效改變或修飾，均應包含在下述之申請 内 圍範利 專 (請先閱讀背面之注意事項再填寫本頁) 裝！丨1 -Τι--奸，，--‘------终 經濟部智慧財產局員工消費合作社印製 10 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐）Printed by the Consumers 'Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, Mr r___403884 Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The reflection light of the first group of resolution analysis patterns 34 is condensed by the lens 40. The collected light is then transmitted to the image sensor 20 to generate an image signal. The image signal can be analyzed by the resolution of the lens 40. This means that when the light is scanned at the center of the calibration plate 30, the resolution analysis pattern 34 can be used to obtain the resolution of the lens 40. Similarly, when the light source is scanned on the right-hand side and the left-hand side of the scanned object, the second and third sets of resolution analysis patterns 3 and 4 can be used to analyze the resolution of the lens 4 〇 Each set of resolution analysis patterns 3 4 includes a horizontal (X resolution) analysis pattern 3 4 a and a vertical (γ resolution) analysis pattern 3 4 b. X resolution. Analysis pattern 3 4 a consists of a vertical line group to analyze the vertical resolution of the lens. Each vertical line is separated by an equal distance. The size of the pitch is determined by the resolution required by the designer. The signal responded by the resolution analysis pattern 34 is reflected to the monitor of the computer and the modulation transfer function M T F (modulation transfer function) is used.垂直 Resolution Vertical resolution Analysis pattern 3 4 b is composed of opaque line groups to analyze the vertical resolution of the lens. These opaque line groups are inclined at 5 mm from the vertical line. Better. The resolution analysis pattern is used to obtain the resolution of the lens. Each group of resolution analysis patterns includes a horizontal · analysis resolution pattern and a vertical resolution analysis pattern. The horizontal analysis resolution pattern is composed of vertical line groups. Every (Please read the precautions on the back before filling this page) ---------------- I -------. Install --------- Order .--- S ------ ^., N H II · -n This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 403884 A7 B7 V. Description of the invention (a vertical The lines are separated by equal distances. The vertical resolution analysis pattern is composed of opaque line groups to analyze the vertical resolution of the lens. These opaque line groups are preferably inclined by 5-10 degrees relative to the vertical lines. The larger the angle of f The higher the Y resolution but the lower the X resolution. Therefore, the slant line can be used to express the quality of the Y resolution. Furthermore, the second and third sets of resolution analysis patterns 3 4 can provide more benefits as It is described as follows: the image sensor 2 〇 may not be perpendicular to the lens 40 before the scanner is completely installed. Therefore, the second and third sets of resolution analysis patterns 3 4 can be used to provide a broken image sensor 2 0 Whether it is perpendicular to the lens 40. If the second and third sets of resolution analysis patterns 3 4 疋 are the same, it means that the image sensor 2 0 is perpendicular to the lens 40. Moved by the resolution The operator can judge how the image sensor 20 and the lens 40 are calibrated. In addition, the X and Y resolution analysis pattern 34 can be used to know the magnification m of the lens 40. In theory, the pixel A is well known The amount can be determined by the distance L between the second and second sets of resolution analysis patterns 34. Assuming that the number of pixels scanned by the image sensor 20 is B, the magnification m of the lens 40 is determined by the following formula : Ra = l- (AB) / A. The fourth figure shows the process according to the method of the present invention. The image sensing signal 4 0 0 is received by a special application integrated circuit (ASIC) to generate a calibration. Data. Immediately after correction data is read into the temporary register 42 0 and the scale is applied to Chinese national standards (please read the precautions on the back before filling this page). ------ #-v Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs printed by 403884 a? __- __ B7_________ V. Description of the invention () Stored. The data is stored by the computer 4 3 〇 For further burying. The processed data is displayed on the display 44 For example, the monitor of the computer 430. The computer 43 responds to these signals and displays the correction data for correction in the gray scale mode on the monitor 44. For correct adjustment of the correction data, the image sensor '400 scan The image of the calibration pattern is displayed on the monitor 4 4 0, as shown in the fifth figure. The data displayed on the monitor is divided into three main parts. Sections 5 0 0, 5 1 0 'and 5 2 0 Part-500 is related to lens 40. The three sets of analysis patterns 3 4 are displayed one after another. For example, the resolution can be represented as a bar graph. The resolution of the center, left, and right parts of the quasi-plate is shown in the first part 500. The second data part includes the correction signal obtained according to the boundary calibration pattern 32. If the area scanned by the image sensor 20 is the range we want (that is, the object to be scanned is completely scanned by the image sensor), the peak of the calibration signal 値 5 丨 2 will be separately displayed in the monitor On display. Since the boundary calibration pattern 32 is different from the color of the range of the calibration plate 30 or the adjacent boundary calibration pattern 32, the third data portion 52 is used to display the resolution of the lens. The lens and image sensor calibration of the present invention The method is much simpler than in the past. Displayed on the monitor is the resolution of the lens expressed in graphs and numbers, which provides convenient reference information for the author. In addition, the boundary calibration signal can also be displayed on the monitor at the same time. The above is only a preferred embodiment of the present invention, and is not intended to limit the paper size to the Chinese National Standard (CNS) A4 specification (2.1〇X 297 mm) (Please read the precautions on the back before filling this page ) I! ---.------- Install ------- **-1 ---: -----------------: Γ A7 B7 403884 V. Description of the invention () Determine the scope of patent application of the invention; all other equivalent changes or modifications made without departing from the spirit disclosed by the invention shall be included in the following application. Read the notes on the back before filling out this page)丨 1-Tι ---, ---------- End Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 10 This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)