JP2002017931A - 3d.pitching analyzer - Google Patents
3d.pitching analyzerInfo
- Publication number
- JP2002017931A JP2002017931A JP2000245310A JP2000245310A JP2002017931A JP 2002017931 A JP2002017931 A JP 2002017931A JP 2000245310 A JP2000245310 A JP 2000245310A JP 2000245310 A JP2000245310 A JP 2000245310A JP 2002017931 A JP2002017931 A JP 2002017931A
- Authority
- JP
- Japan
- Prior art keywords
- pitching
- data
- ball
- pitcher
- camera
- 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
Links
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Abstract
Description
【0001】従来、野球における、投手の練習段階での
投球内容の観察はピッチングコーチ等の目視観察にて行
われている。その観察能力は観察者の経験に依存するも
のであり、そのデータ分析は観察者の能力に依存してい
る。また、練習する投手自らは、捕手が捉える球の音に
より投球内容を感覚的に知識することに依存している。Conventionally, in baseball, the observation of pitching contents during the practice phase of a pitcher has been performed by visual observation using a pitching coach or the like. Its observation ability depends on the observer's experience, and its data analysis depends on the observer's ability. In addition, the pitcher who practices relies on knowing the pitching content intuitively based on the sound of the ball captured by the catcher.
【0002】本発明は、野球の投球練習において、投手
の投球軌跡と速度を打者が球(9)を捉える位置で精度
良く観察し、そのデータを投手に表示するとともに、デ
ータ処理用パソコン(8)の記憶装置に蓄積し、投球内
容の解析を行えることにより、投手は自らの投球内容を
確認出来、また、蓄積データの解析結果から統計的に正
しい投球データが得られ、効率的な練習を行う事が出来
る装置である。In the practice of baseball pitching, the present invention accurately observes the pitching trajectory and speed of the pitcher at the position where the batter catches the ball (9), displays the data on the pitcher, and displays a data processing personal computer (8). ) Can be stored in the storage device to analyze the pitching content, the pitcher can check his pitching content, statistically correct pitching data can be obtained from the analysis results of the accumulated data, efficient training It is a device that can do it.
【0003】本装置は、捕手の上部の適当な位置に表示
装置(1)、投光ストロボ装置(2)中央カメラ
(3)、左目カメラ(4)、右目カメラ(5)を設備す
る方式とすることで、投手の投球動作ならびに捕手の捕
球動作を妨げることなく、時速150Kmを越える高速
の投球軌跡を高い精度で読み取り、リアルタイムで表示
装置(1)に投球毎の球速、ストライク、ボールの判定
結果、アウト数等の表示を行い、投手に投球情報を表示
して、投球練習の補助を行う。[0003] This device is equipped with a display device (1), a light emitting strobe device (2), a center camera (3), a left eye camera (4), and a right eye camera (5) at appropriate positions above the catcher. By doing so, a high-speed pitch trajectory exceeding 150 km / h can be read with high accuracy without hindering the pitching action of the pitcher and the catching action of the catcher, and the display device (1) can display the ball speed, strike, and ball of each pitch on the display device (1) in real time. The judgment result, the number of outs, and the like are displayed, pitching information is displayed to the pitcher, and pitching practice is assisted.
【0004】本装置の背部には、撮像された画像から投
球速度と軌跡を処理する画像処理装置(6)、投光スト
ロボ発光制御装置(7)、データ処理用パソコン(8)
を設備して、練習観察者が投球データの分析が行えるも
のである。At the back of the apparatus, an image processing device (6) for processing a pitching speed and a trajectory from a captured image, a light emission strobe light emission control device (7), a data processing personal computer (8)
The training observer can analyze the pitching data.
【0005】本装置における球(9)の撮像は、中央カ
メラ1、左目カメラ4、右目カメラ(5)で行い、3台
のカメラは投光ストロボ装置(2)発光時に球(9)を
同時に撮像する。投球練習する投手の球速に合せて投光
ストロボ装置(2)の発光間隔時間〔T〕を投光ストロ
ボ発光制御装置(7)に予め定めておくことで、カメラ
撮像範囲における画像取込数を制御することが出来る。
本方式により、経済的に高速度撮像装置を構成すること
が出来る。[0005] The sphere (9) is imaged by the center camera 1, the left-eye camera 4, and the right-eye camera (5), and the three cameras simultaneously shoot the sphere (9) when the light-emitting strobe device (2) emits light. Take an image. By setting the light emission interval time [T] of the light emission strobe device (2) in advance in the light emission strobe light emission control device (7) in accordance with the ball speed of the pitcher who practices pitching, the number of images taken in the camera imaging range can be reduced. Can be controlled.
With this method, a high-speed imaging device can be economically constructed.
【0006】球速〔V〕の測定は中央カメラ(3)が投
光ストロボ装置(2)の発光時に撮像する画像を同一画
面の連続静止画像として取込み、取込んだ球(9)の画
像の移動量〔L〕を画面の画素数から画像処理により計
算して求める。球(9)を撮像する時間間隔は予め投光
ストロボ装置(2)の発光間隔時間〔T〕で一定に行う
ことが出来る。[0006] The measurement of the ball speed [V] is performed by capturing an image captured by the central camera (3) when the light-emitting strobe device (2) emits light as a continuous still image on the same screen, and moving the captured image of the ball (9). The amount [L] is calculated and calculated from the number of pixels on the screen by image processing. The time interval for imaging the sphere (9) can be made constant in advance by the light emission interval time [T] of the light emitting strobe device (2).
【0007】本装置は捕手の上方に設ける3台のカメラ
(3,4,5)により、三次元的投球の軌跡を画像処理
装置6にて解析し、ストライク、ボールの判定を行う装
である。中央カメラ(3)により取込んだ画像から平面
の球(9)の軌跡を解し、左目カメラ(4)と右目カメ
ラ(5)で取込んだ画像から球の軌跡の高さ向解析を行
うことで三次元の球(9)の軌跡を解析する。[0007] This apparatus is an apparatus for analyzing the trajectory of a three-dimensional pitch by an image processing device 6 using three cameras (3, 4, 5) provided above the catcher to determine a strike or a ball. . The trajectory of the plane sphere (9) is solved from the image captured by the central camera (3), and the height direction of the trajectory of the sphere is analyzed from the images captured by the left-eye camera (4) and the right-eye camera (5). Thus, the trajectory of the three-dimensional sphere (9) is analyzed.
【0008】左目カメラ(4)と右目カメラ(5)を定
められた距離〔D〕に取付け、左カメラ(4)と右目カ
メラ(5)は投光ストロボ装置(2)の発光時に撮像す
画像を同一画面の連続静止画像として取込む。左目カメ
ラ(4)と右目カメラ(5)の画像を重ね合わせて球
(9)の位置の差(dn)を得る。この球の位置の差
(dn)から、球(9)の高さ方向の位置を計算して高
さの軌跡を得る。The left-eye camera (4) and the right-eye camera (5) are mounted at a predetermined distance [D], and the left camera (4) and the right-eye camera (5) take images when the light-emitting strobe device (2) emits light. As a continuous still image of the same screen. The difference (dn) in the position of the sphere (9) is obtained by superimposing the images of the left-eye camera (4) and the right-eye camera (5). From the difference (dn) between the positions of the spheres, the position in the height direction of the sphere (9) is calculated to obtain a locus of the height.
【0009】三次元データを解析するデータ処理用パソ
コン(8)の座標軸プログラムに投球判定区域を設定し
ておき、その立体的座標の内側を球(9)の軌跡が通過
する場合にはストライクと判別し、それ以外をボールと
判別する。その判別結果は表示装置(1)に表示すると
ともにデータ処理用パソコン(8)にデータ・ベースと
して格納し投球内容の分析が行える。A pitch determination area is set in a coordinate axis program of a data processing personal computer (8) for analyzing three-dimensional data, and a strike occurs when the trajectory of the sphere (9) passes inside the three-dimensional coordinates. Discrimination, and the rest as balls. The discrimination result is displayed on the display device (1) and stored in the data processing personal computer (8) as a data base so that the contents of the pitch can be analyzed.
【図1】装置の全体構成図である。FIG. 1 is an overall configuration diagram of an apparatus.
【図2】中央カメラが撮像した球の軌跡である。FIG. 2 is a trajectory of a sphere captured by a central camera.
【図3】左目カメラと右目カメラが撮像した球の軌跡で
ある。FIG. 3 is a trajectory of a sphere captured by a left-eye camera and a right-eye camera.
【図4】左目カメラと右目カメラが撮像した球の画像を
重ね合わせたものである。FIG. 4 is an image obtained by superimposing images of a sphere captured by a left-eye camera and a right-eye camera.
【図5】カメラと球の位置関係である。FIG. 5 is a positional relationship between a camera and a sphere.
【図6】球の高さ方向の軌跡である。FIG. 6 is a trajectory of a sphere in a height direction.
【図7】投球判定区域と球の軌跡である。FIG. 7 shows a pitch determination area and a trajectory of a ball.
1 表示装置 2 投光ストロボ装置 3 中央カメラ 4 左目カメラ 5 右目カメラ 6 画像処理装置 7 投光ストロボ発光制御装置 8 データ処理用パソコン 9 球 DESCRIPTION OF SYMBOLS 1 Display apparatus 2 Light emission strobe device 3 Central camera 4 Left eye camera 5 Right eye camera 6 Image processing device 7 Light emission strobe light emission control device 8 Data processing personal computer 9 Ball
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) G03B 35/04 G03B 35/04 35/18 35/18 G06T 1/00 315 G06T 1/00 315 7/20 7/20 B Fターム(参考) 2F034 AA08 AB01 AB03 DA15 DB14 2F065 AA04 AA11 BB07 DD00 DD06 FF01 FF04 FF09 GG08 JJ03 JJ05 JJ26 KK02 MM02 SS13 UU05 2H059 AA07 AA35 5B057 BA02 BA11 CA13 DA07 DA16 DB03 DB09 DC30 5L096 AA09 BA08 CA05 FA67 FA69 HA03 HA05 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 7 Identification code FI Theme coat ゛ (Reference) G03B 35/04 G03B 35/04 35/18 35/18 G06T 1/00 315 G06T 1/00 315 7/20 7/20 BF term (reference) 2F034 AA08 AB01 AB03 DA15 DB14 2F065 AA04 AA11 BB07 DD00 DD06 FF01 FF04 FF09 GG08 JJ03 JJ05 JJ26 KK02 MM02 SS13 UU05 2H059 AA07 AA35 5B057 BA02 DB09 FA09 HA03 HA05
Claims (2)
て、その投球の軌跡を三次元解析が出来る装置により読
み取り、そのデータを投手に表示するとともに、投手の
投球内容の解析が可能となるデータを集積する装置。1. In baseball pitching practice in baseball, a trajectory of the pitch is read by a device capable of three-dimensional analysis, the data is displayed to the pitcher, and data enabling analysis of the pitcher's pitching content is collected. Equipment to do.
カメラ(3,4,5)で撮像し、その物体の軌跡を三次
元データとして分析することができる三次元可視化装
置。2. A three-dimensional visualization device capable of capturing an image of a trajectory of an object passing at a high speed with a camera (3, 4, 5) from above and analyzing the trajectory of the object as three-dimensional data.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000245310A JP2002017931A (en) | 2000-07-07 | 2000-07-07 | 3d.pitching analyzer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000245310A JP2002017931A (en) | 2000-07-07 | 2000-07-07 | 3d.pitching analyzer |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002017931A true JP2002017931A (en) | 2002-01-22 |
Family
ID=18735858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000245310A Pending JP2002017931A (en) | 2000-07-07 | 2000-07-07 | 3d.pitching analyzer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002017931A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007115236A (en) * | 2005-09-22 | 2007-05-10 | Nara Institute Of Science & Technology | Moving object measuring apparatus, moving object measuring system and moving object measuring method |
JP2017151075A (en) * | 2016-02-19 | 2017-08-31 | 株式会社キンキクレスコ | Judgment system for baseball use |
-
2000
- 2000-07-07 JP JP2000245310A patent/JP2002017931A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007115236A (en) * | 2005-09-22 | 2007-05-10 | Nara Institute Of Science & Technology | Moving object measuring apparatus, moving object measuring system and moving object measuring method |
JP4674725B2 (en) * | 2005-09-22 | 2011-04-20 | 国立大学法人 奈良先端科学技術大学院大学 | Moving object measuring apparatus, moving object measuring system, and moving object measuring method |
JP2017151075A (en) * | 2016-02-19 | 2017-08-31 | 株式会社キンキクレスコ | Judgment system for baseball use |
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