Method and apparatus for detecting the placement of a golf ball for a launch monitor

• US 7,641,565 B2
• Filed: 12/14/2006
• Issued: 01/05/2010
• Est. Priority Date: 06/12/2006
• Status: Active Grant

• Current Assignee: Wawgd Newco LLC
• Original Assignee: Wintriss Engineering Corporation
• Inventors: Kiraly, Christopher M.
• Primary Examiner(s): Laneau; Ronald
• Application Number:
  US11/610,906
• Publication Number:
  US 20070298898A1
• Time in Patent Office: 1,118 Days
• Field of Search: 463/42, 473/131, 473/140, 473/141, 473198-200, 473219-226, 473/409, 473/42, 473/151, 700/91, 700/92, 348155-157, 382/103, 273/317.2
• US Class Current: 473/151
• CPC Class Codes: A63B 2024/0028 Tracking the path of an object, e.g. a ball inside a soccer pitch
• CPC Class Codes: A63B 2024/0031 at the starting point
• CPC Class Codes: A63B 2024/0034 during flight
• CPC Class Codes: A63B 2071/0625 Emitting sound, noise or music
• CPC Class Codes: A63B 2102/32 Golf
• CPC Class Codes: A63B 2210/50 Size reducing arrangements for stowing or transport
• CPC Class Codes: A63B 2220/05 Image processing for measuring physical parameters
• CPC Class Codes: A63B 2220/13 Relative positions
• CPC Class Codes: A63B 2220/16 Angular positions
• CPC Class Codes: A63B 2220/18 Inclination, slope or curvature
• CPC Class Codes: A63B 2220/20 Distances or displacements
• CPC Class Codes: A63B 2220/30 Speed
• CPC Class Codes: A63B 2220/35 Spin
• CPC Class Codes: A63B 2220/805 Optical or opto-electronic sensors
• CPC Class Codes: A63B 2220/806 Video cameras
• CPC Class Codes: A63B 2225/15 with identification means that can be read by electronic means
• CPC Class Codes: A63B 2225/50 Wireless data transmission, e.g. by radio transmitters or telemetry
• CPC Class Codes: A63B 2225/74 with powered illuminating means, e.g. lights
• CPC Class Codes: A63B 24/0003 Analysing the course of a movement or motion sequences during an exercise or trainings sequence, e.g. swing for golf or tennis
• CPC Class Codes: A63B 24/0021 Tracking a path or terminating locations
• CPC Class Codes: A63B 69/3605 : Golf club selection aids informing player of his average or expected shot distance for each club
• CPC Class Codes: A63B 69/3658 : Means associated with the ball for indicating or measuring, e.g. speed, direction
• CPC Class Codes: A63B 71/0605 : Decision makers and devices using detection means facilitating arbitration

Abstract

A novel method and apparatus for detecting the placement of a golf ball for a launch monitor is disclosed. The method comprises capturing an image of a scan zone that is adjacent to the launch monitor and in the field of view of the launch monitor'"'"'s image sensor, analyzing the scan zone image for the placement of an object, and determining if the object is likely the golf ball. An apparatus is also disclosed that implements the golf ball detection method.

Claims

1. A method for detecting the placement of a golf ball for a launch monitor, the launch monitor measuring flight path parameters of the golf ball, comprising:

capturing an image of a scan zone, the scan zone being an area adjacent the launch monitor and in the field of view of the launch monitor'"'"'s image sensor;

analyzing the scan zone image for the placement of an object;

capturing, responsive to the placement of the object, a second image; and

using the second image in determining if the object is likely the golf ball, wherein the determining step further comprises comparing the object to a predefined physical attribute, the physical attribute selected from a group consisting of size, dimple pattern, reflectivity, roundness, shading, gradient, and position.

2. The method according to claim 1, wherein capturing the image of the scan zone includes using a CMOS sensor or a CCD.

3. The method according to claim 1, wherein the determining step further comprises a frame to frame image comparison.

4. The method according to claim 1, further comprising;

generating an alert that the golf ball has been determined to be in the scan zone.

5. The method according to claim 1, wherein the scan zone further comprises a strike zone, the method further comprising;

generating an alert that the golf ball has been determined to be in the strike zone.

6. The method according to claim 1, further comprising;

generating an alert that the object has been determined not likely to be the golf ball.

7. The method according to claim 1, further comprising capturing a series of scan zone images.

8. The method according to claim 1, wherein analyzing the scan zone image further comprises determining an exposure characteristic or location characteristic for the golf ball.

9. The method according to claim 1, further including the step of illuminating a lamp responsive to analyzing the scan zone image.

10. The method according to claim 1 wherein the second image is of a higher resolution than the image of the scan zone.

11. The method according to claim 1 wherein the first image is of a higher resolution than the image of the scan zone.

12. The method according to claim 1 wherein the image of the scan zone is captured with a first sensor, and the second image is captured with a second sensor.

13. The method according to claim 1 wherein the image of the scan zone is captured with a window on a single sensor, and the second image is captured with a second window on the single sensor.

14. The method according to claim 1 further including using information derived from the scan zone image to adjust exposure or window settings for a next image.

15. The method according to claim 1, further including the step of initiating a trigger sequence responsive to determining the object is a golf ball.

16. A method for detecting the placement of a golf ball for a launch monitor, the launch monitor measuring flight path parameters of the golf ball, comprising:

capturing an image of a scan zone, the scan zone being an area adjacent the launch monitor and in the field of view of the launch monitor'"'"'s image sensor;

analyzing the scan zone image for the placement of an object;

determining if the object is likely a golf ball;

generating a directional alert responsive to analyzing the scan zone image; and

using the directional alert to indicate how the object should be moved to place the object in a strike zone.

17. A method for detecting the placement of a golf ball for a launch monitor, the launch monitor measuring flight path parameters of the golf ball, comprising:

capturing an image of a scan zone, the scan zone being an area adjacent the launch monitor and in the field of view of the launch monitor'"'"'s image sensor;

analyzing the scan zone image for the placement of an object;

determining if the object is likely a golf ball;

generating a directional alert responsive to analyzing the scan zone images and responsive to determining that the object is likely the golf ball; and

using the directional alert to indicate how the golf ball should be moved to place the golf ball in a strike zone.

18. A launch monitor for measuring flight parameters of a golf ball, the monitor comprising:

a processor configured to perform the steps;

capturing an image of a scan zone;

analyzing the scan zone image for the placement of an object;

determining if the object is likely the golf ball, wherein the determining step further comprises comparing the object to a predefined physical attribute, the physical attribute selected from a group consisting of size, dimple patter, reflectivity, roundness, shading, gradient, and position;

locating the golf ball in a strike zone;

capturing a first image of the golf ball;

capturing a second image of the golf ball; and

calculating the flight parameters using the first and the second images.

19. The monitor according to claim 18 wherein the processor further performs, the step of using the first image and the second image to track the initial flight path of the golf ball.

20. The monitor according to claim 18 wherein the processor further performs the step of using the first image and the second image to determine if the initial flight path of the golf ball is indicative of a golf ball launch.

21. The monitor according to claim 18 wherein the processor further performs the step of using the first image and the second image to determine if the initial flight path of the golf ball is indicative of a false movement.

22. The monitor according to claim 18 wherein the processor further performs the step of using the first image and the second image to determine if the initial flight path of the golf ball is indicative of a putt.

23. The monitor according to claim 18 wherein the processor further performs the step using the first image and the second image to determine if the initial flight path of the golf ball is indicative of a chip.

24. The monitor according to claim 18 wherein the processor further performs the step of using the first image and the second image to determine if the initial flight path of the golf ball is indicative of a drive.

25. The monitor according to claim 18 wherein the processor further performs the step of capturing the scan zone image, the first image, and the second image using the same sensor device.

26. The monitor according to claim 18, wherein the strike zone image is captured using a first window on a sensor device, the first image is captured using a second window on the sensor device, and the second image is captured using a third window on the sensor device.

27. The monitor according to claim 18 wherein the processor further performs the step of monitoring a trigger zone for launch of the golf ball.

28. The monitor according to claim 27, wherein monitoring for the trigger comprises monitoring an image, monitoring for a sound, or monitoring a radar signal.

29. The monitor according to claim 18 wherein the processor further performs the step of guiding a golfer to move the ball to the strike zone using directional alerts.

30. The monitor according to claim 18 wherein the processor further performs the step of adjusting sensor settings responsive to determining if the golfer is using one of a left hand swing or a right hand swing.

31. The monitor according to claim 18 wherein the processor further performs the step of determining a swing direction, wherein the determining swing direction is automatically determined by an initial position of the golf ball.

32. The monitor according to claim 18 wherein the processor further performs the step of determining a swing direction, wherein the determining swing direction is automatically determined by an initial movement of the golf ball after a strike by a golf club.

33. The monitor according to claim 18 wherein the processor further performs the step of determining a swing direction, wherein the determining swing direction is automatically determined by a movement of a golf club.

34. The monitor according to claim 18 wherein the processor further performs the step of determining a swing direction, wherein the determining swing direction is manually input to the launch monitor.

35. A launch monitor with assisted placement capability, comprising:

a housing;

a sensor arrangement;

an indicator; and

a processor configured to operate the steps of;

capturing images of a scan zone using the sensor arrangement;

analyzing the scan zone images for the placement of an object;

determining if the object is likely the golf ball wherein the determining step further comprises comparing the object to a predefined physical attribute, the physical attribute selected from a group consisting of size, dimple pattern, reflectivity, roundness, shading, gradient, and position; and

activating the indicator responsive to determining that the object is likely the golf ball.

36. The launch monitor according to claim 35, wherein activating the indicator further comprises:

directing, using the indictor, that the golf ball be moved so as to be placed in a strike zone.

37. The launch monitor according to claim 35, wherein activating the indicator comprises illuminating a direction-indicating lamp set.

38. The launch monitor according to claim 35, wherein activating the indicator comprises illuminating a lamp.

39. The launch monitor according to claim 35, wherein activating the indicator comprises generating an audible alert.

40. The launch monitor according to claim 35, wherein the indicator comprises an LCD display, an LED lamp, or an incandescent lamp.

41. The method according to claim 40, further including the steps of:

determining an exposure characteristic or a location characteristic of the placed golf ball; and

using the determined characteristic to assist image capture of the golf ball in flight.