WO2012165238A1 - 描画装置、描画方法及びプログラム - Google Patents
描画装置、描画方法及びプログラム Download PDFInfo
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- WO2012165238A1 WO2012165238A1 PCT/JP2012/063098 JP2012063098W WO2012165238A1 WO 2012165238 A1 WO2012165238 A1 WO 2012165238A1 JP 2012063098 W JP2012063098 W JP 2012063098W WO 2012165238 A1 WO2012165238 A1 WO 2012165238A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/203—Drawing of straight lines or curves
Definitions
- the present invention relates to a drawing apparatus, a drawing method, and a program, and more particularly, to a drawing apparatus that draws a line on a screen, and a drawing method and a program for drawing a line on the screen.
- This type of support device displays, for example, a straight line indicating the vehicle width and a trajectory indicating the destination of the vehicle on the monitor screen superimposed on the image behind the vehicle.
- DDA Digital Differential Analyzer
- the support device can easily perform calculations necessary for drawing a straight line, and can draw a straight line on a monitor screen in a short time.
- the line width of the straight line to be drawn basically depends on the pixel size, such as the horizontal width or height of the pixel. To do. Accordingly, various techniques for drawing a straight line having a desired line width using DDA have been proposed (see, for example, Patent Documents 1 and 2).
- the apparatus described in Patent Document 1 draws a straight line to be drawn according to a DDA algorithm and draws a dot pattern corresponding to the line width of the straight line.
- the apparatus described in Patent Document 2 draws a straight line to be drawn according to the DDA algorithm, and draws a normal having a length equal to the line width on the straight line.
- the above two devices display a straight line having a desired line width by drawing a dot pattern or a normal line corresponding to the line width of the straight line.
- Patent Document 1 needs to store a dot pattern corresponding to the line width in advance. Therefore, a certain amount of memory is required to store the dot pattern. As a result, there is a problem that the apparatus becomes large.
- Patent Document 2 calculates a straight line normal to be drawn by a complicated calculation. For this reason, it is considered that the arithmetic circuit becomes complicated. In addition, it may be difficult to display a straight line on the monitor screen in a short time.
- the present invention has been made under the above circumstances, and an object thereof is to perform drawing processing at high speed while simplifying the apparatus.
- a drawing apparatus provides: A drawing device for drawing a line defined by two points on a screen composed of a plurality of pixels, Interpolation range defining means for defining an interpolation range for a line segment having the two points as end points according to the line width of the line; Determining means for determining whether or not the pixel is included in the interpolation range; Drawing means for drawing a line by pixels on the line segment and pixels determined to be included in the interpolation range; Is provided.
- a drawing method includes: A drawing method for drawing a line defined by two points on a screen composed of a plurality of pixels, Defining an interpolation range for a line segment having the two points as end points according to the line width of the line; Determining whether the pixel is included in the interpolation range; Drawing a line of pixels on the line segment and pixels determined to be included in the interpolation range; including.
- a program provides: On the computer, A procedure for defining an interpolation range for a line segment whose end points are two points on a screen composed of a plurality of pixels according to the line width of a line to be drawn; A procedure for determining whether the pixel is included in the interpolation range; Drawing a line with pixels on the line segment and pixels determined to be included in the interpolation range; Is executed.
- an interpolation range is defined around a line segment determined by two points based on information on the line width.
- a line is drawn by the pixels included in the interpolation range.
- FIG. 1 is a block diagram showing a schematic configuration of a back monitor system 10 according to the present embodiment.
- the back monitor system 10 is a device that displays, for example, a line indicating a vehicle trajectory or a vehicle width, superimposed on an image behind the vehicle.
- the back monitor system 10 includes a drawing device 20 and a photographing device 30.
- the imaging device 30 is attached to the rear of the vehicle 100 as shown in FIG.
- the photographing device 30 is adjusted in its mounting posture and viewing angle so that the road surface behind the vehicle is positioned within the field of view. And the imaging device 30 converts the image obtained by imaging into an electrical signal and outputs it.
- the drawing apparatus 20 is a computer having a CPU (Central Processing Unit) 21, a main storage unit 22, an auxiliary storage unit 23, a display unit 24, an input unit 25, and an interface unit 26.
- CPU Central Processing Unit
- the CPU 21 reads and executes the program stored in the auxiliary storage unit 23 to draw a line indicating the trajectory, the vehicle width, and the like of the vehicle 100 on the screen of the display unit 24 so as to overlap the image behind the vehicle 100. To do.
- the CPU 21 can draw a line having a desired width by executing the above-described program.
- the main storage unit 22 has a volatile memory such as a RAM (Random Access Memory).
- the main storage unit 22 is used as a work area for the CPU 21.
- the auxiliary storage unit 23 has a non-volatile memory such as a ROM (Read Only Memory), a magnetic disk, or a semiconductor memory.
- the auxiliary storage unit 23 stores programs executed by the CPU 21, various parameters, and the like.
- the auxiliary storage unit 23 sequentially stores information about the image output from the imaging device 30 and information including the processing result by the CPU 21.
- the display unit 24 has a display device such as an LCD (Liquid Crystal Display).
- the display unit 24 displays the processing result of the CPU 21 and the like.
- the input unit 25 has an input key and a pointing device such as a touch panel.
- the operator's instruction is input via the input unit 25 and is notified to the CPU 21 via the system bus 27.
- the interface unit 26 includes a serial interface or a LAN (Local Area Network) interface.
- the imaging device 30 is connected to the system bus 27 via the interface unit 26.
- the screen of the display unit 24 is composed of pixels arranged in a matrix of 10 rows and 20 columns as shown in FIG.
- the pixel in the mth row and the nth column is represented as a pixel D (m, n). Note that (m, n) is equivalent to coordinates on the screen of the display unit 24.
- the straight line drawn by the CPU 21 is a downward-sloping line defined by two points, a pixel D (3, 3) marked with a circle and a pixel D (13, 6) marked with a triangle. It shall be a straight line. Further, it is assumed that the line width in the vertical direction of the straight line to be drawn is 3.
- step S201 the CPU 21 calculates the distance Xa and the distance Ya to the drawing end point pixel based on the drawing start pixel.
- the distance Xa and the distance Ya are expressed by the following equations (1) and (2), respectively.
- the Abs (x) function is a function that outputs the absolute value of x.
- the drawing start pixel is the pixel D (3, 3) and the drawing end pixel is the pixel D (13, 6)
- the distance Xa is 10
- the distance Ya is 3. Calculated.
- the CPU 21 calculates the shift amount XYsft that defines the line width based on the following equation (3).
- the Int (x) function is a function that outputs the maximum integer that does not exceed x.
- s_wdt is the width of the line to be drawn, and is 3 under the above assumption. Therefore, the shift amount XYsft is calculated as 1.
- the CPU 21 calculates parameters Xb and Yb depending on the line width based on the following equations (4) and (5).
- parameters Xb and Yb are parameters for adjusting the drawing start position according to the line width.
- the parameters Xb and Yb at this time are determined from the pixel D (2, 2) that is separated from the drawing start pixel D (3, 3) by ⁇ 1 in the X direction and ⁇ 1 in the Y direction. This means that line drawing is started.
- the CPU 21 calculates the parameter XaYb and the parameter YaXb based on the following equations (6) and (7). Then, the CPU 21 sets the calculated value of the parameter YaXb as the initial value YaXbInt.
- the value of the parameter XaYb is calculated as ⁇ 10. Further, since the distance Ya is 3 and the parameter Xb is -1, the value of the parameter YaXb is calculated to be -3.
- the initial value YaXbInt is set to -3.
- the CPU 21 calculates parameters Xa2 and Ya2 based on the following equations (8) and (9), respectively.
- the distance Xa is 10 and the distance Ya is 3. Therefore, the parameter Xa2 is calculated as 5, and the parameter Ya2 is calculated as 1.
- the CPU 21 updates the parameters Xa2 and Ya2 according to the line width by executing the calculations shown in the following equations (10) and (11). Under the above assumption, since the line width is 3, Int (s_wdt / 2) is calculated as 1. A value obtained by adding the value of the distance Xa once to the parameter Xa2 becomes a new value of the parameter Xa2 (index value). Further, a value obtained by adding the value of the distance Ya once to the parameter Ya2 becomes a new value of the parameter Ya2 (index value).
- the CPU 21 initializes the values of the parameters Xdp and Ydp for designating the pixels constituting the screen of the display unit 24 to zero.
- step S206 the CPU 21 executes a subroutine 300 for realizing the drawing process.
- the CPU 21 increments the parameter Ydp.
- step S302 the CPU 21 increments the parameter Xdp.
- FIG. 6 shows the drawing range F.
- the drawing range F is defined by a drawing start pixel D (Xst, Yst), a drawing end pixel D (Xep, Yep), and a shift amount XYsft.
- the drawing range F is defined as a rectangular range in which the pixel D (Xst-XYsft, Yst-XYsft) indicated by a double circle in FIG. 6 and the pixel D (Xep + XYsft, Yep + XYsft) are located at the corners. Is done.
- step S303: No When the pixel D (Xdp, Ydp) is not included in the drawing range F (step S303: No), the CPU 21 proceeds to step S310.
- step S310 the CPU 21 determines whether or not the value of the parameter Xdp is 20 or more. If the value of the parameter Xdp is less than 20 (step S310: No), the CPU 21 returns to step S302.
- step S303 the determination in step S303 is not affirmed, and the CPU 21 repeats the processes of step S302, step S303, and step S310. Thereby, the state of the pixels in the first row is designated as off.
- step S310 determines whether the value of the parameter Xdp reaches 20 or not. If the value of the parameter Xdp reaches 20, the determination in step S310 is affirmed (step S310: Yes), and the CPU 21 proceeds to step S311.
- step S311 the CPU 21 updates the parameter XaYb based on the following equation (12).
- the value of the parameter XaYb is ⁇ 10 and the value of the distance Xa is 10. For this reason, the value of the parameter XaYb is updated to 0.
- the CPU 21 sets the value of the parameter YaXb to be equivalent to the value of the initial value YaXbInt.
- the value of the initial value YaXbInt is -3, so the value of the parameter YaXb is set to -3.
- step S313 the CPU 21 determines whether or not the value of the parameter Ydp is 10 or more. If the value of the parameter Ydp is less than 10 (step S313: No), the CPU 21 proceeds to step S314.
- step S314 the CPU 21 initializes the value of the parameter Xdp to 0. Then, the process returns to step S301, and the value of the parameter Ydp is incremented. For example, in step S301 executed for the second time, the value of the parameter Ydp is 2.
- the CPU 21 executes the processes of step S302, step S303, and step S310.
- the value of the parameter Xdp becomes 2 by the processing in step S302.
- the pixel D (Xdp, Ydp) defined by the parameters Xdp, Ydp is the pixel D (2, 2).
- step S303 the determination in step S303 is affirmed (step S303: Yes), and the CPU 21 proceeds to step S306.
- step S306 the CPU 21 calculates the value of the parameter s_abs based on the following expression (14) as a predetermined conditional expression.
- the value of the parameter XaYb is ⁇ 10 and the value of the parameter YaXb is ⁇ 3. For this reason, the value of the parameter s_abs is calculated as 7.
- step S307 the CPU 21 determines whether or not the value of the parameter s_abs is equal to or smaller than the value of the parameter Xa2. Under the above assumption, the value of the parameter Xa2 is 15, so the determination in step S307 is affirmed (step S307: Yes). Then, the CPU 21 proceeds to step S308 and designates the state of the pixel D (2, 2) as ON. As a result, the pixel D (2, 2) marked with a star in FIG. 8 is turned on.
- the CPU 21 updates the value of the parameter YaXb based on the following equation (15).
- the value of the parameter YaXb is ⁇ 3 and the value of the parameter Ya is 3. For this reason, the value of the parameter YaXb is updated to 0.
- step S310 since the value of the parameter Xdp is 2 (step S310: No), the CPU 21 returns to step S302.
- step S306 the CPU 21 proceeds to step S306 via step S303.
- 13 Abs ( ⁇ 10 ⁇ 3)
- step S307 the determination in step S307 is affirmed (step S307: Yes)
- step S307 Yes
- the pixel D (2, 4) is turned on.
- step S308 the continuous pixel D (2, 2), pixel D (2, 3), and pixel D (2, 4) marked with an asterisk are turned on (step S308). .
- step S313 the processing from steps S301 to S314 described above is repeatedly executed by the CPU 21.
- a line having a line width of 3 in the vertical direction is drawn as indicated by the pixel D marked with a star in FIG.
- the CPU 21 affirms the determination in step S313, it ends the series of processes.
- the back monitor system 10 executes the processes shown in FIGS. Thereby, as schematically shown in FIG. 12, the line segment defined by the circled pixel D (3, 3) and the triangle D pixel (13, 6) is included.
- An interpolation range R is defined. This interpolation range R is indirectly defined by the parameter Xa2 updated in accordance with the line width in step S204.
- the drawing apparatus 20 can perform the drawing process at high speed.
- the main storage unit 22 and the auxiliary storage unit 23 can be reduced in size.
- the back monitor system 10 can be reduced in size and reduced in price.
- the CPU 21 compares the value of the parameter Ya2 calculated in step S204 with the value of the parameter s_abs in step S307. Thereby, the CPU 21 can draw a line having a desired line width.
- the screen of the display unit 24 is composed of pixels arranged in a matrix of 10 rows and 20 columns.
- the pixels constituting the display unit 24 may be arranged in a matrix of, for example, 480 rows and 800 columns.
- the functions of the drawing apparatus 20 according to each of the above embodiments can be realized by dedicated hardware or by a normal computer system.
- the program stored in the auxiliary storage unit 23 of the drawing apparatus 20 is a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), a DVD (Digital Versatile Disk), an MO (Magneto-Optical Disk), or the like.
- An apparatus that executes the above-described processing may be configured by storing the program in a computer-readable recording medium, distributing the program, and installing the program in the computer.
- the drawing apparatus, drawing method and program of the present invention are suitable for drawing a line on the screen.
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Abstract
Description
複数の画素からなる画面に、2点によって規定される線を描画する描画装置であって、
前記線の線幅に応じて、前記2点を端点とする線分に対する補間範囲を規定する補間範囲規定手段と、
前記画素が、前記補間範囲に含まれるか否かを判断する判断手段と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する描画手段と、
を備える。
複数の画素からなる画面に、2点によって規定される線を描画する描画方法であって、
前記線の線幅に応じて、前記2点を端点とする線分に対する補間範囲を規定する工程と、
前記画素が、前記補間範囲に含まれるか否かを判断する工程と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する工程と、
を含む。
コンピュータに、
複数の画素からなる画面上の2点を端点とする線分に対する補間範囲を、描画する線の線幅に応じて、規定する手順と、
前記画素が、前記補間範囲に含まれるか否かを判断する手順と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する手順と、
を実行させる。
Ya=Abs(Yep-Yst) …(2)
Yb=0-XYsft …(5)
YaXb=Ya・Xb …(7)
Ya2=Int(Ya/2) …(9)
Ya2=Ya2+Ya・Int(s_wdt/2) …(11)
20 描画装置
21 CPU
22 主記憶部
23 補助記憶部
24 表示部
25 入力部
26 インタフェース部
27 システムバス
30 撮影装置
100 車両
D 画素
F 描画範囲
R 補間範囲
Claims (6)
- 複数の画素からなる画面に、2点によって規定される線を描画する描画装置であって、
前記線の線幅に応じて、前記2点を端点とする線分に対する補間範囲を規定する補間範囲規定手段と、
前記画素が、前記補間範囲に含まれるか否かを判断する判断手段と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する描画手段と、
を備える描画装置。 - 前記補間範囲規定手段は、前記補間範囲を規定する指標値を算出し、
前記判断手段は、所定の条件式による算出結果と、前記指標値との比較結果に基づいて、前記画素が前記補間範囲に含まれるか否かを判断する請求項1に記載の描画装置。 - 前記判断手段は、前記算出結果の絶対値が前記指標値よりも小さい場合に、前記画素が、前記補間範囲に含まれると判断する請求項2に記載の描画装置。
- 前記線分上の画素についての前記条件式による前記算出結果は0である請求項2又は3に記載の描画装置。
- 複数の画素からなる画面に、2点によって規定される線を描画する描画方法であって、
前記線の線幅に応じて、前記2点を端点とする線分に対する補間範囲を規定する工程と、
前記画素が、前記補間範囲に含まれるか否かを判断する工程と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する工程と、
を含む描画方法。 - コンピュータに、
複数の画素からなる画面上の2点を端点とする線分に対する補間範囲を、描画する線の線幅に応じて、規定する手順と、
前記画素が、前記補間範囲に含まれるか否かを判断する手順と、
前記線分上の画素と、前記補間範囲に含まれると判断された画素とによる線を描画する手順と、
を実行させるためのプログラム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US14/119,288 US20140125677A1 (en) | 2011-05-30 | 2012-05-22 | Rendering device, rendering method, and recording medium |
EP12793713.4A EP2717224A4 (en) | 2011-05-30 | 2012-05-22 | PRESENTING DEVICE, PRESENTATION METHOD AND PROGRAM THEREFOR |
CN201280026637.7A CN103562965A (zh) | 2011-05-30 | 2012-05-22 | 描画装置、描画方法及程序 |
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JP2011121105 | 2011-05-30 | ||
JP2011-121105 | 2011-05-30 |
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WO2012165238A1 true WO2012165238A1 (ja) | 2012-12-06 |
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US (1) | US20140125677A1 (ja) |
EP (1) | EP2717224A4 (ja) |
JP (1) | JPWO2012165238A1 (ja) |
CN (1) | CN103562965A (ja) |
WO (1) | WO2012165238A1 (ja) |
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JP2016123432A (ja) * | 2014-12-26 | 2016-07-11 | カシオ計算機株式会社 | 描画装置及び描画装置の描画制御方法 |
CN107871333B (zh) * | 2017-11-30 | 2021-04-16 | 上海联影医疗科技股份有限公司 | 线描画方法及装置、计算机设备及计算机存储介质 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01166177A (ja) * | 1987-12-22 | 1989-06-30 | Fujitsu Ltd | 太線描画方法 |
JPH02126377A (ja) * | 1988-11-05 | 1990-05-15 | Fujitsu Ltd | 太線描画方式 |
JPH031283A (ja) * | 1989-05-29 | 1991-01-07 | Mitsubishi Electric Corp | 直線描画方式 |
JPH03125277A (ja) * | 1989-10-09 | 1991-05-28 | Fuji Xerox Co Ltd | ベクトルデータ/イメージデータ変換方式 |
JPH0423179A (ja) | 1990-05-18 | 1992-01-27 | Fujitsu Ltd | 太線描画方法及びその装置 |
JPH06161417A (ja) * | 1992-11-18 | 1994-06-07 | Fuji Facom Corp | 幅有り直線の表示方法 |
JPH08138065A (ja) * | 1994-11-14 | 1996-05-31 | Canon Inc | 太線描画方式 |
JPH08279038A (ja) | 1995-04-07 | 1996-10-22 | Fuji Xerox Co Ltd | 太線描画装置 |
JPH09212665A (ja) * | 1996-02-02 | 1997-08-15 | Fuji Xerox Co Ltd | 線分描画装置 |
JPH10275239A (ja) * | 1997-03-31 | 1998-10-13 | Mutoh Ind Ltd | 太線コーナ座標算出方式及び太線形成方式 |
JP2008027350A (ja) * | 2006-07-25 | 2008-02-07 | Canon Inc | 太線描画処理方法および処理装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7439980B2 (en) * | 2004-03-08 | 2008-10-21 | Yamaha Corporation | Image processing method and apparatus |
EP1742180A1 (en) * | 2004-04-27 | 2007-01-10 | Hitachi Medical Corporation | Image plotting device and method thereof |
JP4327105B2 (ja) * | 2005-01-25 | 2009-09-09 | 株式会社ソニー・コンピュータエンタテインメント | 描画方法、画像生成装置、および電子情報機器 |
WO2009090726A1 (ja) * | 2008-01-15 | 2009-07-23 | Mitsubishi Electric Corporation | 図形描画装置及び図形描画方法 |
-
2012
- 2012-05-22 EP EP12793713.4A patent/EP2717224A4/en not_active Withdrawn
- 2012-05-22 CN CN201280026637.7A patent/CN103562965A/zh active Pending
- 2012-05-22 JP JP2013517987A patent/JPWO2012165238A1/ja active Pending
- 2012-05-22 WO PCT/JP2012/063098 patent/WO2012165238A1/ja active Application Filing
- 2012-05-22 US US14/119,288 patent/US20140125677A1/en not_active Abandoned
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01166177A (ja) * | 1987-12-22 | 1989-06-30 | Fujitsu Ltd | 太線描画方法 |
JPH02126377A (ja) * | 1988-11-05 | 1990-05-15 | Fujitsu Ltd | 太線描画方式 |
JPH031283A (ja) * | 1989-05-29 | 1991-01-07 | Mitsubishi Electric Corp | 直線描画方式 |
JPH03125277A (ja) * | 1989-10-09 | 1991-05-28 | Fuji Xerox Co Ltd | ベクトルデータ/イメージデータ変換方式 |
JPH0423179A (ja) | 1990-05-18 | 1992-01-27 | Fujitsu Ltd | 太線描画方法及びその装置 |
JPH06161417A (ja) * | 1992-11-18 | 1994-06-07 | Fuji Facom Corp | 幅有り直線の表示方法 |
JPH08138065A (ja) * | 1994-11-14 | 1996-05-31 | Canon Inc | 太線描画方式 |
JPH08279038A (ja) | 1995-04-07 | 1996-10-22 | Fuji Xerox Co Ltd | 太線描画装置 |
JPH09212665A (ja) * | 1996-02-02 | 1997-08-15 | Fuji Xerox Co Ltd | 線分描画装置 |
JPH10275239A (ja) * | 1997-03-31 | 1998-10-13 | Mutoh Ind Ltd | 太線コーナ座標算出方式及び太線形成方式 |
JP2008027350A (ja) * | 2006-07-25 | 2008-02-07 | Canon Inc | 太線描画処理方法および処理装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2717224A4 * |
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Publication number | Publication date |
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EP2717224A1 (en) | 2014-04-09 |
CN103562965A (zh) | 2014-02-05 |
JPWO2012165238A1 (ja) | 2015-02-23 |
EP2717224A4 (en) | 2014-11-19 |
US20140125677A1 (en) | 2014-05-08 |
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