WO1989004525A1 - Shape fitting method - Google Patents

Shape fitting method Download PDF

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Publication number
WO1989004525A1
WO1989004525A1 PCT/JP1988/001086 JP8801086W WO8904525A1 WO 1989004525 A1 WO1989004525 A1 WO 1989004525A1 JP 8801086 W JP8801086 W JP 8801086W WO 8904525 A1 WO8904525 A1 WO 8904525A1
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WO
WIPO (PCT)
Prior art keywords
shape
reference point
linear element
straight line
parallel
Prior art date
Application number
PCT/JP1988/001086
Other languages
French (fr)
Japanese (ja)
Inventor
Masaki Seki
Masatoshi Yoshizaki
Takeshi Hosono
Shizuaki Hayanagi
Original Assignee
Fanuc Ltd
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 Fanuc Ltd filed Critical Fanuc Ltd
Publication of WO1989004525A1 publication Critical patent/WO1989004525A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/02—Affine transformations

Definitions

  • the present invention relates to a shape attaching method, and more particularly to a shape attaching method for attaching a first shape to a second shape.
  • a part (for mold design) or a shape (for drawing) is attached to another part. Is often performed.
  • Figure 4 is Aru in a conventional manner diagram attached to Yo U indicated by the first shape 1 second shape 2 in a dashed line to be positioned (see Poin DOO P 2 ⁇ P S).
  • the reference Poi emissions collected by P i and a second first shape 1, a reference Poi down bets P 2 of the shape 2 of identifying, Tsuide first reference shape 1 Poi down bets P i and the reference point P2 of the second shape 2 are specified to overlap (designation of the position), and then the rotation angle 0 of the first shape 1 is specified (the finger of the direction).
  • Fixed the system obtains the translation amounts Sx and Sy of the first shape 1 based on the instructions of the above-mentioned operator, and uses the translation amounts Sx and Sy and the rotation angle S to calculate the first. Apply the parallel and rotational coordinate transformations to the shape data of (1), and attach the first shape (1) (solid line in Fig. 4) to the second shape (2) as shown by the dashed line.
  • the reference point and the linear element in the first shape and the reference point and the linear element in the second shape are specified, respectively.
  • the reference point for the shape of the second shape will correspond to the reference point for the second shape, so that the straight line element in the first shape will be parallel to the straight line element in the second shape. Then move the first shape and attach it to the second shape.
  • FIG. 1 is a block diagram of a CADCAM system for realizing the shape mounting method of the present invention.
  • FIG. 2 is a flowchart of the shape attaching process according to the present invention
  • FIG. 3 is an explanatory diagram of another example of attaching a component according to the present invention
  • FIG. 4 is an explanatory diagram of a conventional method.
  • FIG. 1 is a block diagram of a CAD / CAM system for realizing a shape setting method according to the present invention.
  • 1 1a is processor
  • lib is R ⁇ M
  • 1 1c is HA M
  • 12 are graphic display devices
  • 13 is a tablet device
  • 14a is a keyboard
  • 14b is an X-Y plotter
  • 14c is a disk Rollers 15 are large-capacity storage devices for storing various data files, such as automatically created design data and drawing data.
  • CRT is the display screen
  • 1 is the first shape to be positioned
  • la is the linear element of the first shape
  • Pi is the first shape 1.
  • 2 is the second shape to which the first shape 1 is attached
  • 2a is the linear element of the second shape
  • P 2 is the positioning point (reference point) of the second shape 2.
  • 13 a is the tablet surface
  • 13 b is the menu table
  • 13 c is the tablet cursor for moving the cursor and the tablet cursor.
  • the graphics cursor (not shown) on the display screen can be moved, and the graphics cursor can be used to pick up shapes and shape elements.
  • the first shape 1 and the second shape 2 are displayed on the display screen CRT of the display device 1 2. Then, on this display screen, the reference point for the first shape 1 and one linear element 1a are designated, and the reference point P2 for the second shape 2 and one straight line are specified. Specify element 2a.
  • This Renyo Li the processor 1 1 a is match over the reference point P to the reference point P 2, cut, the first shape in parallel with the Naruyou linear element 1 a is the linear element 2 a in the second configuration Flat for mounting 04525 1
  • the line movement amounts Sx and Sy and the rotation angle 0 are obtained, and the first shape 1 is moved using the parallel movement amount and the rotation angle to be attached to the second shape 2.
  • FIG. 2 is a flowchart of a shape setting process of the method of the present invention.
  • the shape setting process will be described below with reference to the flowchart of FIG. It is assumed that the first shape 1 and the second shape 2 are defined in terms of figures and have already been displayed on the display screen CRT.
  • the operator can select the shape of the object by selecting the “Move Shape” item on the menu table 13 a 3a, and instruct the shape to move, as well as the first shape 1 on the display screen CRT.
  • the positioning point (reference point) of the positioning destination overlapping the reference point P i is queried interactively. Therefore, the reference point P2 of the second shape 2 is picked, and the reference points of the shapes 1 and 2 are designated (step 102).
  • the processor 1 1 a the reference point of the first Katachi ⁇ 1 weighs a re the positioning Poin DOO P 2 of the second shape 2, Calculate the parallel movement amounts SX, Sy and the rotation angle ⁇ of the first shape 1 so that the straight line element 1 a becomes parallel to the straight line element 2 a (step 104), and The first shape data is subjected to a translation and rotation matrix conversion process using the movement amount and the rotation angle (Step 105), and the execution result is drawn on the display screen CRT (Step 10). 6), finish the mounting process.
  • the first linear element 1 a shape 1 shows an example overlapping the second shape second linear element 2 a, reference point Yo U shown in FIG. 3, P 2 ,
  • the linear elements la and 2a can be specified, and the linear element la of the first shape 1 can be attached to the linear element 2a of the second shape 2 parallel to the linear element 2a. See figure).
  • the reference point in the first shape corresponds to the reference point in the second shape
  • the designated straight line element in the first shape corresponds to the second shape. Since the translation amount and rotation angle parallel to the specified linear element to be obtained are obtained, and the first shape is attached to the second shape by using these translation amount and rotation angle, The direction can be simply specified without using the rotation angle, and the first shape can be accurately attached to the second shape.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Or Creating Images (AREA)

Abstract

A first shape (1) and a second shape (2) are displayed on a display surface (CRT). When a reference point (P1) and one linear element (1a) in the first shape (1) and a reference point (P2) and one linear element (2a) in the second shape (2) are designated, respectively, a parallel displacement distance (Sx, Sy) and an angle of rotation () required for fitting the first shape to the second shape in such a manner that the reference point (P1) coincides with the reference point (P2) and the linar element (1a) is in parallel with the linear element (2a) are determined. Then, the first shape (1) is moved and fitted to the second shape (2) by use of these parallel displacement distance and the angle of rotation.

Description

明 細 書  Specification
形状取り付け方法  Shape mounting method
技術分野  Technical field
本発明は形状取り付け方法に係 リ、 特に第 1 の形状を 第 2 の形状に取り付ける形状取リ付け方法に関する。  The present invention relates to a shape attaching method, and more particularly to a shape attaching method for attaching a first shape to a second shape.
背景技術  Background art
C A D Z C A Mシステム を用ぃてモールド金型設計ゃ 図面作成作業を行ぅ場合、 部品 （モール ド金型設計の場 合） または形状 （図面作成の場合） を他の部品ぁるぃは 形状に取付ける こ とがしばしば行ぉれる。  When using the CADZCAM system to perform mold mold design and drawing work, a part (for mold design) or a shape (for drawing) is attached to another part. Is often performed.
第 4 図は位置決めの対象となる第 1 の形状 1 を第 2 の 形状 2 に 1点鎖線で示すょ ぅ に （ポィン ト P 2〜 P S参照） 取付ける従来方法説明図でぁる。 Figure 4 is Aru in a conventional manner diagram attached to Yo U indicated by the first shape 1 second shape 2 in a dashed line to be positioned (see Poin DOO P 2 ~ P S).
従来ォぺレータ は、 第 1 の形状 1 の基準ポィ ン ト P i と第 2、の形状 2 の基準ポィ ン ト P 2 を特定し、 っぃで第 1 の形状 1 の基準ポィ ン ト P i と第 2の形状 2 の基準ポ ィ ン ト P 2 が重なる こ と を特定し （位置の指定） 、 しカ、 る後、 第 1 の形状 1 の回転角度 0 を指定する （向きの指 定） 。 これにょ リ、 システムは上記ォぺレータ の指示に 基づぃて第 1 の形状 1 の平行移動量 Sx ， Sy を求め、 該 平行移動量 Sx ， Sy及ぴ回転角度 S を用ぃて第 1 の形状 データ に対して平行、 回転の座標変換を施し、 第 1 の形 状 1 (第 4 図実線） を 1点鎖線に示すょ ぅ に第 2 の形状 2 に取付ける。 Conventional O Bae regulator, the reference Poi emissions collected by P i and a second first shape 1, a reference Poi down bets P 2 of the shape 2 of identifying, Tsuide first reference shape 1 Poi down bets P i and the reference point P2 of the second shape 2 are specified to overlap (designation of the position), and then the rotation angle 0 of the first shape 1 is specified (the finger of the direction). Fixed). In other words, the system obtains the translation amounts Sx and Sy of the first shape 1 based on the instructions of the above-mentioned operator, and uses the translation amounts Sx and Sy and the rotation angle S to calculate the first. Apply the parallel and rotational coordinate transformations to the shape data of (1), and attach the first shape (1) (solid line in Fig. 4) to the second shape (2) as shown by the dashed line.
しかし、 従来の方法では位置を指定した後に回転角度 で形犾の向きを指定しなければならなぃ。 このため、 正 確に回転角度を求める必要がぁ リ、 形状敢リ付け作業が t&倒でぁっ /こ。 However, in the conventional method, after specifying the position, You must specify the orientation of the shape with. For this reason, it is necessary to accurately determine the rotation angle.
以上から本発明の目的は、 回転角度にょ らなぃで向き を指定する ことができ、 従って箇単に、 かっ、 正確に第 1形状を第 2形状に取リ {寸けることができる形状取リ付 け方法を提供することでぁる。  From the above, it is an object of the present invention to specify the direction by changing the rotation angle, so that the first shape can be simply and accurately changed to the second shape. By providing an attachment method.
発明の開示  Disclosure of the invention
本発明の形状取リ付け方法にぉぃては、 第 1 の形状に ぉける基準点と直線要素、 並びに第 2の形状にぉける基 準点と直線要素がそれぞれ指定された時、 第 1 の形伏に ぉける基準点が第 2の形状にぉける基準点にー致し、 か っ、 第 1 の形状にぉける直線要素が第 2の形状にぉける 直線要素に平行となるょぅ に第 1 の形状を移動して第 2 の形状に取付ける。  According to the shape attachment method of the present invention, when the reference point and the linear element in the first shape and the reference point and the linear element in the second shape are specified, respectively, The reference point for the shape of the second shape will correspond to the reference point for the second shape, so that the straight line element in the first shape will be parallel to the straight line element in the second shape. Then move the first shape and attach it to the second shape.
図面の箇単な説明  Brief description of drawings
第 1 図は本発明の形状取リ付け方法を実現する C A D C AMシステムのブロ ッ ク図、  FIG. 1 is a block diagram of a CADCAM system for realizing the shape mounting method of the present invention.
第 2 図は本発明にぉける形状敢リ付け処理の流れ図、 第 3図は本発明の別の部品敢リ付け例の説明図、 第 4図は従来方法の説明図でぁる。  FIG. 2 is a flowchart of the shape attaching process according to the present invention, FIG. 3 is an explanatory diagram of another example of attaching a component according to the present invention, and FIG. 4 is an explanatory diagram of a conventional method.
発明を実施するための最良の形態 第 1 図は本発明の形状取リ付け方法を実現する C A D / C A Mシステムのブロ ッ ク図でぁる。  BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 is a block diagram of a CAD / CAM system for realizing a shape setting method according to the present invention.
1 1 a はプロセッサ、 l i b は R〇 M、 1 1 c は H A M、 1 2はグラ フィ ッ クディ スプレィ装置、 1 3 はタ ブ レ ッ ト装置、 1 4 a はキーボ一 ド、 1 4 b は X— Yプロ ッタ、 1 4 c はディ スク コ ン ト ロ一ラ， 1 5 は各種デー タ フ ァ ィルゃ自動作成された設計データ、 図面データ等 を蓄積する大容量記憶装置でぁる。 1 1a is processor, lib is R〇M, 1 1c is HA M and 12 are graphic display devices, 13 is a tablet device, 14a is a keyboard, 14b is an X-Y plotter, and 14c is a disk Rollers 15 are large-capacity storage devices for storing various data files, such as automatically created design data and drawing data.
グラフィ ッ クディ スプレィ装置 1 2 にぉぃて、 C R T はディ スプレィ画面、 1 は位置決めの対象となる第 1 の 形状、 l a は第 1 の形状 1 の直線要素、 P i は第 1 の形 状 1 の基準点、 2 は第 1 の形状 1 が取付けられる第 2 の 形状、 2 a は第 2 の形状 2の直線要素、 P 2 は第 2の形 状 2 の位置決めポィ ン ト （基準点） でぁる。 For the graphic display device 12, CRT is the display screen, 1 is the first shape to be positioned, la is the linear element of the first shape 1, and Pi is the first shape 1. 2 is the second shape to which the first shape 1 is attached, 2a is the linear element of the second shape 2, and P 2 is the positioning point (reference point) of the second shape 2. Puru.
タ ブレ ッ ト装置 1 3 にぉぃて、 1 3 a はタブレ ッ ト面、 1 3 b はメニュー表、 1 3 c はタ ブレ ッ トカ 一 ソルでぁ リ、 タ ブレ ッ トカーソルを移動させる こ と にょ リディス プレィ画面上のグラ フィ ジ ク カ ー ソル （図示せず） を移 動させる こ と ができ、 該グラ フィ ッ クカーソルで形状ゃ 形状要素等を ピジ クする こ と ができ る。  For the tablet device 13, 13 a is the tablet surface, 13 b is the menu table, and 13 c is the tablet cursor for moving the cursor and the tablet cursor. The graphics cursor (not shown) on the display screen can be moved, and the graphics cursor can be used to pick up shapes and shape elements.
ディスプレィ装置 1 2 のディスプレィ画面 C R Tに第 1 の形状 1 と第 2 の形状 2 を表示する。 そ して、 このデ ィスプレィ画面上で、 第 1 の形状 1 にぉける基準点 と 1っの直線要素 1 a を指定する と共に第 2 の形状 2 に ぉける基準点 P 2 と 1 っの直線要素 2 a を指定する。 こ れにょ リ、 プロセッサ 1 1 a は基準点 P が基準点 P 2 にー致し、 かっ、 直線要素 1 a が直線要素 2 a に平行と なるょぅ に第 1 の形状を第 2の形状に取付けるための平 04525 1 The first shape 1 and the second shape 2 are displayed on the display screen CRT of the display device 1 2. Then, on this display screen, the reference point for the first shape 1 and one linear element 1a are designated, and the reference point P2 for the second shape 2 and one straight line are specified. Specify element 2a. This Renyo Li, the processor 1 1 a is match over the reference point P to the reference point P 2, cut, the first shape in parallel with the Naruyou linear element 1 a is the linear element 2 a in the second configuration Flat for mounting 04525 1
一 4一  One four one
行移動量 Sx ,Sy と回転角度 0 を求め、 これら平行移動 量及び回転角度を用ぃて第 1 の形状 1 を移動させて第 2 の形状 2 に取付ける。 The line movement amounts Sx and Sy and the rotation angle 0 are obtained, and the first shape 1 is moved using the parallel movement amount and the rotation angle to be attached to the second shape 2.
第 2図は本発明方法の形状取リ付け処理の流れ図でぁ る。 以下第 2 図の流れ図に沿って形状取リ付け処理を説 明する。 尚、 第 1 の形状 1及び第 2の形状 2は、 図形定- 義されて既にディ スプ _レィ画面 C R Tに表示されてぃる ものとする。  FIG. 2 is a flowchart of a shape setting process of the method of the present invention. The shape setting process will be described below with reference to the flowchart of FIG. It is assumed that the first shape 1 and the second shape 2 are defined in terms of figures and have already been displayed on the display screen CRT.
ォぺレータ は所定の搡作にょ リ メニュー表 1 3 a上の 「形状の移動」 項巨 丄 3 d をピッ ク して形状移動を指示 する と共に、 ディ スプレィ画面 C R T上の第 1 の形状 1 及ぴ第 2 の形状 2 (第 1図） をグラ フィ ッ クカーソルで 指示し、 位置決め形状及び位置決めされる形状を指定す る （ステップ 1 0 1 ) 。  The operator can select the shape of the object by selecting the “Move Shape” item on the menu table 13 a 3a, and instruct the shape to move, as well as the first shape 1 on the display screen CRT. Indicate the second shape 2 (Fig. 1) with the graphic cursor, and specify the positioning shape and the shape to be positioned (step 101).
形状指定後、 第 1 の形状 1 の基準点 をグラ フィ ッ クカーソルでピッ クする と、 該基準点 P i に重なる位置 決め先の位置決めポィン ト （基準点） を対話的に問ぃか けてく るから第 2 の形状 2の基準点 P 2 をピッ ク し、 各 形状 1 ， 2の基準点を指定する （ステップ 1 0 2 ) 。 After the shape is specified, when the reference point of the first shape 1 is picked up with the graphic cursor, the positioning point (reference point) of the positioning destination overlapping the reference point P i is queried interactively. Therefore, the reference point P2 of the second shape 2 is picked, and the reference points of the shapes 1 and 2 are designated (step 102).
っぃで、 第 1 の形状 1 の直線要素 1 a をピッ クする と、 該直線要素 1 a に平行となる位置決め先の直線要素を対 話的に問ぃかけて く るから第 2 の形状 2 の直線要素 2 a をピック し直線要素を指定する （ステップ 1 0 3 ) 。  When the linear element 1a of the first shape 1 is picked up, the linear element of the positioning destination parallel to the linear element 1a is interactively asked, so the second shape is obtained. Pick the straight line element 2a of 2 and specify the straight line element (step 103).
しかる後、 プロセッサ 1 1 a は第 1 の形拔 1 の基準点 が第 2の形状 2の位置決めポィン ト P 2 に重な リ、 かっ直線要素 1 a が直線要素 2 a に平行となるょ ぅ にす る為の第 1 の形状 1 の平行移動量 SX , Sy 及び回転角 度 Θ を求め (ステップ 1 0 4 ) 、' 該平行移動量及ぴ回転 角度を用ぃて第 1 の形状データ に平行移動及び回転のマ ト リ クス変換処理を施し（ステップ 1 0 5 )、 実行結果を ディ スプレィ画面 C R Tに描画し（ステップ 1 0 6 )、 取 リ付け処理を終了する。 Thereafter, the processor 1 1 a the reference point of the first Katachi拔1 weighs a re the positioning Poin DOO P 2 of the second shape 2, Calculate the parallel movement amounts SX, Sy and the rotation angle Θ of the first shape 1 so that the straight line element 1 a becomes parallel to the straight line element 2 a (step 104), and The first shape data is subjected to a translation and rotation matrix conversion process using the movement amount and the rotation angle (Step 105), and the execution result is drawn on the display screen CRT (Step 10). 6), finish the mounting process.
上記説明にぉぃては、 第 1 の形状 1 の直線要素 1 a が 第 2 の形状 2の直線要素 2 a に重なる例を示したが、 第 3 図に示すょ ぅ に基準点 ， P 2 、 直線要素 l a 、 2 a を指定する こ と にょ リ、 第 1 の形状 1 の直線要素 l a が第 2 の形状 2の直線要素 2 a に平行となるょ ぅ に取付 ける こ ともできる （第 3 図参照） 。 The Te is Oi explanation, the first linear element 1 a shape 1 shows an example overlapping the second shape second linear element 2 a, reference point Yo U shown in FIG. 3, P 2 , The linear elements la and 2a can be specified, and the linear element la of the first shape 1 can be attached to the linear element 2a of the second shape 2 parallel to the linear element 2a. See figure).
以上本発明にょれば、 第 1 の形状にぉける基準点が第 2 の形状にぉける基準点にー致し、 かっ、 第 1 の形状に ぉける指定された直線要素が第 2 の形状にぉける指定さ れた直線要素に平行となる平行移動量と回転角度を求め、 これら平行移動量及び回転角度を用ぃて第 1 の形状を第 2 の形状に取付けるょ ぅ に構成したから、 回転角度を用 ぃな くても向きを箇単に指定できる と共に、 正確に第 1 形状を第 2形状に取リ付ける こ と ができる。  As described above, according to the present invention, the reference point in the first shape corresponds to the reference point in the second shape, and the designated straight line element in the first shape corresponds to the second shape. Since the translation amount and rotation angle parallel to the specified linear element to be obtained are obtained, and the first shape is attached to the second shape by using these translation amount and rotation angle, The direction can be simply specified without using the rotation angle, and the first shape can be accurately attached to the second shape.

Claims

請求の範囲 The scope of the claims
1 . C A Dノ C A Mシステムにぉぃて第 1 の形状を第 2の形状に取リ付ける形状取リ付け方法にぉぃて、 ' 第 1 の形状と第 2の形状をディスプレィ面面に表示し、 ディスプ レィ面面上で、 第 1 の形状にぉける基準点と 直線要素、 並びに第 2の形状にぉける基準点と直線要素 がそれぞれ指定された時、 第 1 の形状にぉける基準点が 第 2 の形状にぉける墓準点にー致し、 かっ、 第 1 の形状 にぉける直線要素が第 2の形状にぉける直線要素に平行 となるょぅ に第 1 の形伏を移動して第 2の形状に取付け る ことを特徴とする形状取リ付け方法。  1. Display the first shape and the second shape on the display surface according to the shape mounting method of mounting the first shape to the second shape using the CAD CAM system. When the reference point and the linear element for the first shape and the reference point and the linear element for the second shape are respectively specified on the display surface, the reference point for the first shape is specified. Moves to the grave reference point in the second shape, and moves the first feature to the point where the straight line element in the first shape is parallel to the straight line element in the second shape. And mounting in a second shape.
2 . 第 1 の形状にぉける基準点が第 2の形状にぉける 基準点にー致し、 かっ第 1の形状にぉける直線要素が第 2 の形状にぉける直線要素と平行となるょぅ にするため の第 1 の形状の平行移動量と回転角度を求め、  2. The reference point in the first shape corresponds to the reference point in the second shape, and the straight line element in the first shape is parallel to the straight line element in the second shape. Calculate the translation amount and rotation angle of the first shape to obtain ぅ,
これら平行移動量と回転角度を用ぃて第 1 の形状デー タ に平行移動及ぴ回転の座標変換処理を施して第 1 の彤 状を第 2の形状に取付ける こ と を特徴とする請求の範囲 第 1項記載の形状取リ付け方法。  The first shape data is attached to the second shape by subjecting the first shape data to coordinate conversion processing for translation and rotation using the translation amount and the rotation angle. Range The mounting method described in Paragraph 1.
PCT/JP1988/001086 1987-10-30 1988-10-26 Shape fitting method WO1989004525A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62274802A JP2854860B2 (en) 1987-10-30 1987-10-30 Shape mounting method
JP62/274802 1987-10-30

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WO1989004525A1 true WO1989004525A1 (en) 1989-05-18

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PCT/JP1988/001086 WO1989004525A1 (en) 1987-10-30 1988-10-26 Shape fitting method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515869A2 (en) * 1991-05-30 1992-12-02 Logitech Inc Apparatus and method for deskewing images

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163162A (en) * 1984-02-03 1985-08-26 Hitachi Ltd Definition method of shape of three-dimensional connecting body
JPS6184780A (en) * 1984-10-02 1986-04-30 Mitsubishi Electric Corp Picture composer
JPS61169966A (en) * 1985-01-24 1986-07-31 Mitsubishi Electric Corp Graphic input device
JPS62115591A (en) * 1985-11-15 1987-05-27 Fujitsu Ltd Recognition method for pattern position

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163162A (en) * 1984-02-03 1985-08-26 Hitachi Ltd Definition method of shape of three-dimensional connecting body
JPS6184780A (en) * 1984-10-02 1986-04-30 Mitsubishi Electric Corp Picture composer
JPS61169966A (en) * 1985-01-24 1986-07-31 Mitsubishi Electric Corp Graphic input device
JPS62115591A (en) * 1985-11-15 1987-05-27 Fujitsu Ltd Recognition method for pattern position

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0515869A2 (en) * 1991-05-30 1992-12-02 Logitech Inc Apparatus and method for deskewing images
EP0515869A3 (en) * 1991-05-30 1993-11-24 Logitech Inc Apparatus and method for deskewing images

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JPH01116768A (en) 1989-05-09
JP2854860B2 (en) 1999-02-10

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