EP0812228B1 - Verfahren zur erfassung der berührfläche eines beim sport vorhandenen objektes mit einem kontaktgrund - Google Patents
Verfahren zur erfassung der berührfläche eines beim sport vorhandenen objektes mit einem kontaktgrund Download PDFInfo
- Publication number
- EP0812228B1 EP0812228B1 EP96904705A EP96904705A EP0812228B1 EP 0812228 B1 EP0812228 B1 EP 0812228B1 EP 96904705 A EP96904705 A EP 96904705A EP 96904705 A EP96904705 A EP 96904705A EP 0812228 B1 EP0812228 B1 EP 0812228B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process according
- contact ground
- visible
- ball
- contact
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0605—Decision makers and devices using detection means facilitating arbitration
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
Definitions
- the invention is based on a method for detecting the Contact surface of an object present during sport (ball, Players, tires, runners or the like) with a contact reason (Floor, table surface, field boundary or the like) after the Genus of the main claim.
- a preferred application of the generic The method is particularly the determination of tennis Balls contact surface with the contact base, for example the floor covering or a net edge. While a tennis game it is sometimes necessary to be precise Position determinations of the contact surface of the ball on the To be able to make contact. For example, it applies determine whether the rebound point (contact surface or impression) of the ball on the ground is still in the playing field, whether it is touches an outside line or whether it is outside the field. It is also desirable to have a previous one To be able to determine the touch of the ball with the net edge.
- a ball In a known device for detecting the position a ball (DE 42 33 341) becomes a detector / transmitter unit in the ball arranged, the receiving / transmitting elements arranged at various points near the line are. The ball is located by evaluating the Reflections of the pulses emitted by active elements at the recipients. This facility to recognize the Position of the ball has the disadvantage that constructive or structural changes to the ball or playing field are required. Also, the ball will stand alone instead of the ball's touch surface monitored on the contact ground.
- WO 89/00066 Another known ball location system (WO 89/00066), which is preferably used in tennis monitoring the passage of a ball a predetermined Line.
- WO 89/00066 electromagnetic waves emitting transmitters and / or receivers attached to the a Evaluate the signal reflected by the ball.
- the tennis ball must have special magnetic properties. Also on this system are constructive changes to the ball as well structural changes to the playing field required. Here too the ball and not the contact surface of the ball on the Contact reason monitored.
- Another disadvantage is that the receiving and transmitting systems be negatively influenced by the person hitting the ball can and that a combination with independent TV recordings are hardly possible.
- the method according to the invention with the characterizing features of claim 1 provides for this that the contact reason is provided with a marking which Contains metal powder.
- the marking therefore has a different one due to the metal powder thermal energy than the immediate playing field and can therefore clearly be seen in the thermal image Playing field to be separated.
- the method according to the invention with the features of the main claim uses the when the object present in sport comes into contact with the Contact due to frictional heat Traces of heat.
- the method according to the invention measures the Temperature difference between the heat trace and the contact surface, captures them, records them and evaluates them, which makes them Touch surface can be shown on a screen.
- any contact surfaces especially the most diverse for example circular, oval tennis ball prints or Traces of car tires in curves, etc. - can be detected. So can a person running on the contact ground or their person Soil impressions are recorded.
- An advantage of the method according to the invention is that the detected contact surfaces with themselves on the contact base existing markings, in particular boundary lines, in Relation can be set, or their relative position can be determined to each other.
- the prerequisite for this is that the markings or lines of the invention Procedures are included. This is due to the imperative different color of the markings and Lines are usually given because of different colors different radiation and heat radiation reflection values have and thus of the inventive method be included.
- the markings are with Metal powder, especially aluminum powder.
- Another advantage of the invention is that neither in sports existing object still the contact reason constructive or would have to be structurally changed.
- Another advantage of the invention is that none Measurement inaccuracies due to the relatively high Speed with which the existing in sports Object moves, occur.
- Another advantage of the invention is that by the relative slow cooling of the heat traces accurate measurements possible are. After cooling down, a new measurement take place during the previous measurement is also saved for later display. So it is possible Measurements taken at different times in the same place were made to compare with each other. For example the paths chosen by a tennis player and how far this Deviate paths from an ideal path etc.
- Another advantage of the invention is that the geometric Accuracy of the course of the surface and the extent of the surface Markings and lines, especially of boundary lines, on the contact surface for the contact surfaces to be recorded are irrelevant.
- Another advantage of the invention is that two-dimensional view of the reason for contact with the traces of heat on it no paralax errors can occur, which is related to an exact position determination allows for basic contact markings. To that extent Degree of freedom for the arrangement of the measuring device above the reason for contact is relatively large.
- the recorded heat traces are also visible in real time made.
- the contact reason is the floor covering and / or a net or a network enclosure.
- the main sports here are tennis, ice hockey, Table tennis but also thought of billiards, preferably one detectable with a small number of thermographs Total contact area and for which a relatively high Speed of the object takes place with some confusing or difficult to grasp individual situations. While the borderline cases are particularly critical in tennis, whether the ball was still inside the field or touched the line has or whether he was just off the line is with others Ball game types, such as handball and football, possibly interesting to measure whether the goalkeeper deflected ball was already behind the goal line or not yet. The reason for contact in the latter case would be, for example Glove of the goalkeeper, whereby the emerging Trace of heat, although only very briefly present, can be captured.
- the object that is present in sports itself? Vehicle tire, the contact reason of the surface a street or the like.
- the problems of registration of individual situations in such a sport, such as Example car racing consist mainly in the fact that it is mostly long distances, regardless of whether it is a four-wheel vehicle, that is racing cars or the like, or a two-wheeled vehicle, such as a motorcycle or bicycle, acts.
- the measuring points are mainly in such areas be provided in which borderline situations arise, such as for example, a necessary braking or due to a After drifting or when accelerating suddenly a curve or when a curve ends, a higher one Soil friction arises.
- the object present in sports is at least one a skid located in a winter sports device, the The reason for contact is a mostly frozen floor covering (ice).
- ice frozen floor covering
- sledding and bobsleighing there are also extremely high speeds, for example up to 150 km / h and this on a mostly as Ice tube formed track.
- the ideal line naturally plays a decisive role.
- Each Deviating from this ideal line means milliseconds of Loss of time, which can then cost victory.
- the measuring device of the Heat trace can be arranged in areas where the The risk of deviating from an ideal track is greatest.
- thermographs can be used in places be arranged, otherwise not accessible to viewers are. Again, by applying the invention, how Even with most other sports, the popularity of the respective sports are increased because of the viewer throughout another way to put himself in the role of the athlete, like it is possible with normal television recordings. Except for the mentioned track recording it is also possible to record or record where the athlete has braked and the athlete can judge for himself whether this Braking was necessary or not.
- the object present in sports is a ski
- the contact ground is a snow slope.
- you can Such a slope may also be icy or it is in most Cases. It is particularly the case with the shorter downhill routes possible with relatively few thermographs Record heat traces left by the ski on the slopes. Again, this recording method can be used for Training purposes used and be of great advantage. she but above all can give television viewers the opportunity give to compare the quality of different top athletes.
- the invention makes it possible to determine whether the Skier lifting too much Loss of friction generated on departure, or whether he by clever weight distribution or other division of the Swinging a better ideal line and higher Can achieve speeds. It can also be determined which driving styles are particularly risky and one Include risk of injury. So you can also by Invention determine what pressure the ski jumper when Leaving the opportunity and how it turns out may affect flight length.
- Infrared range made visible characters recognizable. Apart from the fact that this means any comparative values, which should otherwise be invisible to the viewer, This method can also be made recognizable find application in advertising so that through normal Unrecognizable advertisements by overlaying the eye Recording by thermograph on the television screen become visible.
- the recorded heat traces of Accessible to the public both about the Projection on big screens as well as over that of Public television broadcasting can be done.
- the invention overcomes the bias, the records of heat traces in sports not only the To make it accessible to the public, but above all with the recording process via television cameras connect. This is done in particular through oversubscription or overlap of one on the one hand Thermographs and on the other hand by a television camera recorded data.
- Fig. 1 is the application of the invention for tennis shown and as a greatly simplified perspective Presentation.
- a tennis court 1 there is a playing field 2 in Usually determined by boundary lines 3.
- the strong simplified represented player 4 play with a ball 5, the can be beaten accordingly via a tennis net 6 and where the known rules of tennis are to be followed.
- a referee platform 7 sits a referee 8, the Compliance with the rules is monitored and accordingly in the game can intervene. He is usually assisted by linesmen who must watch if the ball 5 is still inside the field 2 was or just touched the line, or if he got out of the field.
- this recording can be made via a screen device 14 are reproduced, being a television can act.
- the referee 8 is on his Referee podium 7 with a corresponding more special trained screen device 15 equipped with which respective recording recorded and therefore at any time is repeatable. So this record is not just for that Referee 8 to control player errors related to the touch of the ball with the ground, but the recording can also at any time for television programs by the viewer be understood and this, for example, in connection with an advertisement.
- the two cameras 12 are each centered of the two halves of the playing fields 2, the Ball contact can be detected through these central measuring points.
- the infrared image shows automatically when developing Frictional heat and their location. Already after the frictional heat of the contact surface is a few seconds dissolved. The speed of the ball has none Influence on the result, since only the remaining one Frictional heat is detected and not the ball itself.
- the Measuring accuracy is in the range of one millimeter.
- Fig. 3 is a plan view for comparison on the left in the picture Tennis ball and on the right in the picture a possible contact surface the same shown on the field.
- This contact surface is oval, firstly because the ball is flattened on the serve and secondly a certain distance glides over the ground. At a inelastic object would be a line.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Radiation Pyrometers (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Image Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Geophysics And Detection Of Objects (AREA)
- Push-Button Switches (AREA)
- Studio Devices (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Electronic Switches (AREA)
Description
Als nachteilig erweist sich hierbei, dass die üblicherweise auf Tennisplätzen verwendeten Markierungen zur Spielfeldbegrenzung im Wärmebild der Infrarot-kamera nicht so gut erkennbar sind, dass sie auch von den Fernsehzuschauern, welchen das Wärmebild angezeigt wird, erkannt werden können.
- Fig. 1
- die Anwendung der Erfindung bei einer Tennisanlage;
- Fig. 2
- ein Tennisfeld in der Draufsicht,
- Fig. 3
- Ball- und Bodenberührung in der Draufsicht,
- Fig. 4
- die Anwendung bei einer Bobbahn und
- Fig. 5
- die Anwendung bei einer Rennstrecke.
- 1
- Tennisplatz
- 2
- Spielfeld
- 3
- Begrenzungslinien
- 4
- Spieler
- 5
- Ball
- 6
- Tennisnetz
- 7
- Schiedsrichterpodest
- 8
- Schiedsrichter
- 9
- Zwischenfeld
- 10 11
- Begrenzungslinie von 9
- 12
- Kamera
- 13
- Kragkonstruktionen
- 14
- Bildschirmgerät
- 15
- Schiedsrichtergerät
- 16
- Eiskanal
- 17
- Spuren
- 18
- Spuren
- 19
- Rennwagen
- 20 21
- Rennstrecke
- 22
- Wärmespuren
- 23
- Veränderung von 22
Claims (11)
- Verfahren zur Erfassung und Sichtbarmachung der Berührfläche eines bei der Ausübung eines Sportes vorwendeten Objektes (5, 19) bzw. eines Sportlers (4) mit einem Kontaktgrund (2, 9, 21)
bei dem mit mindestens einem Thermographen (12) die aus der Berührung des Objektes (5, 19) bzw. des Sportlers (4) mit dem Kontaktgrund (2, 9, 21) resultierende Erwärmung des Kontaktgrundes bestimmt wird,
dadurch gekennzeichnet,daß der Kontaktgrund mit im infraroten Spektralbereich sichtbaren Markierungen (3) versehen wird, welche Metallpulvers enthalten unddaß die mithilfe einer Bildauswertungs- bzw. Bildbearbeitungsanlage vom Thermographen bestimmte Erwärmung zu für den Betrachter erkennbaren Endbildern auswertet bzw. bearbeitet und zusammen mit dem Markierungen des Kontaktgrundes angezeigt wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die bei der Ausübung des Sportes vorgegebenen Begrenzungslinien (3) mit einer im infraroten Spektralbereich sichtbaren Markierung aufgebracht werden.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein Netz oder die Kante eines Netzes mit einer im infraroten Spektralbereich sichtbaren Markierung versehen wird.
- Verfahren nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet,
daß in bzw. auf dem Kontaktgrund vorgesehene Zeichen mit einer im infraroten Spektralbereich sichtbaren Markierung aufgebracht werden. - Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,
daß die Markierungen mit im Infrarotbereich sichtbaren Lacken auf den Kontaktgrund aufgetragen werden. - Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet,
daß die Markierungen mit im Infrarotbereich sichtbarem Aluminiumpulver auf den Kontaktgrund aufgetragen werden. - Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Objekt ein Ball (5) ist und der Kontaktgrund der Bodenbelag des Spielfeldes (2, 9) einer Ballsportart.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,
daß das Objekt ein sich an einem Fahrzeug (19) befindlicher Reifen ist, daß der Kontaktgrund der Belag einer Straße (21) odgl. ist. - Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet,
daß das Objekt mindestens eine sich an einem Wintersportgerät befindliche Kufe ist und daß der Kontaktgrund Eis (16) ist. - Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Objekt ein Ski ist und daß der Kontaktgrund eine Piste ist.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet,
daß die Endbilder der Öffentlichkeit zugänglich gemacht werden.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19505826 | 1995-02-21 | ||
DE19505826A DE19505826A1 (de) | 1995-02-21 | 1995-02-21 | Einrichtung zur Erkennung der Berührfläche eines Sportobjekts auf dem Spielfeld bzw. Boden |
PCT/DE1996/000266 WO1996025986A1 (de) | 1995-02-21 | 1996-02-21 | Verfahren zur erfassung der berührfläche eines beim sport vorhandenen objektes mit einem kontaktgrund |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0812228A1 EP0812228A1 (de) | 1997-12-17 |
EP0812228B1 true EP0812228B1 (de) | 2000-12-13 |
Family
ID=7754541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96904705A Expired - Lifetime EP0812228B1 (de) | 1995-02-21 | 1996-02-21 | Verfahren zur erfassung der berührfläche eines beim sport vorhandenen objektes mit einem kontaktgrund |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0812228B1 (de) |
JP (1) | JPH11500333A (de) |
KR (1) | KR19980702381A (de) |
CN (1) | CN1175907A (de) |
AT (1) | ATE198052T1 (de) |
AU (1) | AU709741B2 (de) |
BR (1) | BR9607460A (de) |
CA (1) | CA2213485A1 (de) |
CZ (1) | CZ263897A3 (de) |
DE (3) | DE19505826A1 (de) |
HU (1) | HUP9802818A2 (de) |
WO (1) | WO1996025986A1 (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19641907C2 (de) * | 1996-10-11 | 2000-07-13 | Joachim Rigling | Verfahren zur Überwachung von Ballspielen |
JP4285911B2 (ja) | 1998-07-09 | 2009-06-24 | シーメンス アクチエンゲゼルシヤフト | 対象体の空間位置を求める装置および方法 |
US6816185B2 (en) | 2000-12-29 | 2004-11-09 | Miki Harmath | System and method for judging boundary lines |
DE10109921A1 (de) * | 2001-03-01 | 2002-09-05 | Ruediger Schrott | Computeranimation von Rennfahrzeugen für Fernsehübertragungen |
RU2254895C2 (ru) * | 2002-12-26 | 2005-06-27 | Ворожцов Георгий Николаевич | Способ определения динамических параметров движения материального объекта при проведении спортивных состязаний или в тренировочном процессе, устройство для его осуществления и способ оценки технического и творческого потенциала спортсменов |
AU2007219710B2 (en) * | 2006-03-01 | 2011-10-13 | Brennan Broadcast Group Pty Ltd | Detecting contacts during sporting activities etc |
MD3989G2 (ro) * | 2008-05-30 | 2010-08-31 | Еуджен МОРАРУ | Metodă de instruire sportiv-educativă a adolescenţilor |
MD4164C1 (ro) * | 2010-03-04 | 2012-11-30 | Еуджен МОРАРУ | Metodă de formare a deprinderilor de efectuare a exerciţiilor fizice la gimnastica de dimineaţă şi pe parcursul zilei la copii şi sistem pentru realizarea metodei |
EP2455911B1 (de) | 2010-11-23 | 2013-03-13 | Fundacion Centro De Tecnologias De Interaccion Visual Y Comunicaciones Vicomtech | Verfahren zur Erkennung der Aufprallstelle eines Balls bei Sportveranstaltungen |
US11039109B2 (en) | 2011-08-05 | 2021-06-15 | Fox Sports Productions, Llc | System and method for adjusting an image for a vehicle mounted camera |
MX344762B (es) | 2011-08-05 | 2016-12-15 | Fox Sports Productions Inc | Captura selectiva y presentacion de porciones de imagen nativas. |
RU2530863C1 (ru) * | 2013-06-07 | 2014-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный технологический университет" | Способ тренировки и оценки точности штрафных бросков в баскетболе |
US11159854B2 (en) | 2014-12-13 | 2021-10-26 | Fox Sports Productions, Llc | Systems and methods for tracking and tagging objects within a broadcast |
US11758238B2 (en) | 2014-12-13 | 2023-09-12 | Fox Sports Productions, Llc | Systems and methods for displaying wind characteristics and effects within a broadcast |
US9288545B2 (en) * | 2014-12-13 | 2016-03-15 | Fox Sports Productions, Inc. | Systems and methods for tracking and tagging objects within a broadcast |
US10143907B2 (en) * | 2015-12-09 | 2018-12-04 | Gregoire Gentil | Planar solutions to object-tracking problems |
CN109289187B (zh) * | 2017-07-24 | 2021-04-30 | 北京英泰智科技股份有限公司 | 一种乒乓球训练与等级考试系统 |
CN108568086B (zh) * | 2018-04-24 | 2021-01-26 | 上海中医药大学 | 一种基于物联网的羽毛球比赛自动裁判平台及其使用方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2586576A1 (fr) * | 1985-09-02 | 1987-03-06 | Dubail Jean | Systeme d'aide a l'arbitrage du tennis |
GB2191361A (en) * | 1986-06-06 | 1987-12-09 | Michael Cyril Godin | Enchancing the image of retro-reflective projectiles |
DE3904458A1 (de) * | 1989-02-15 | 1990-08-23 | Helmut Datz | Verfahren zur reversiblen markierung von impaktstellen |
GB2264358A (en) * | 1992-02-20 | 1993-08-25 | Sector Limited | System for detecting position of impact of a projectile |
FR2706317B3 (fr) * | 1993-06-15 | 1995-05-05 | Dianeige | Dispositif de constat et dénombrement de passages de skieurs sur pistes. |
-
1995
- 1995-02-21 DE DE19505826A patent/DE19505826A1/de not_active Withdrawn
-
1996
- 1996-02-21 BR BR9607460A patent/BR9607460A/pt not_active Application Discontinuation
- 1996-02-21 CA CA002213485A patent/CA2213485A1/en not_active Abandoned
- 1996-02-21 DE DE59606217T patent/DE59606217D1/de not_active Expired - Fee Related
- 1996-02-21 DE DE19680090T patent/DE19680090D2/de not_active Expired - Lifetime
- 1996-02-21 EP EP96904705A patent/EP0812228B1/de not_active Expired - Lifetime
- 1996-02-21 CZ CZ972638A patent/CZ263897A3/cs unknown
- 1996-02-21 KR KR1019970705780A patent/KR19980702381A/ko not_active Application Discontinuation
- 1996-02-21 WO PCT/DE1996/000266 patent/WO1996025986A1/de not_active Application Discontinuation
- 1996-02-21 CN CN96192044A patent/CN1175907A/zh active Pending
- 1996-02-21 AT AT96904705T patent/ATE198052T1/de not_active IP Right Cessation
- 1996-02-21 AU AU48743/96A patent/AU709741B2/en not_active Ceased
- 1996-02-21 HU HU9802818A patent/HUP9802818A2/hu unknown
- 1996-02-21 JP JP8525298A patent/JPH11500333A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AU709741B2 (en) | 1999-09-02 |
DE59606217D1 (de) | 2001-01-18 |
JPH11500333A (ja) | 1999-01-12 |
CZ263897A3 (cs) | 1998-01-14 |
WO1996025986A1 (de) | 1996-08-29 |
AU4874396A (en) | 1996-09-11 |
CN1175907A (zh) | 1998-03-11 |
EP0812228A1 (de) | 1997-12-17 |
DE19505826A1 (de) | 1996-08-22 |
CA2213485A1 (en) | 1996-08-29 |
DE19680090D2 (de) | 1998-02-26 |
ATE198052T1 (de) | 2000-12-15 |
HUP9802818A2 (hu) | 1999-03-29 |
BR9607460A (pt) | 1998-12-15 |
KR19980702381A (ko) | 1998-07-15 |
MX9706214A (es) | 1998-03-31 |
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