JPS61196680A - Movement display system of games of the like in television video display - Google Patents

Abstract

PURPOSE:To make the state transition of a game clear and also the expression of the role, etc. of a player possible by indicating a plotted game circle n a rule book to a TV scope, indicating the movement of the players, a ball, etc. on the corresponding circle as locus in the position with dots. CONSTITUTION:A movement dection circuit 2 masks the part other than a game circle in an image pickup picture, separates a static picture part (game circle) from a moving picture part from the remaining picture, generates the first and second picture signals, converts the movement of the players, etc. to the locus in the position with dots on the scope, and guides them to a locus storage circuit 3. On the one hand, by a picture position conversion type learning circuit 4, a picture position conversion equation based on the game circle in the first signal game is obtained. On the basis of this conversion equation, by a locus correction circuit 5 the said locus is processed by conversion, and normalizes the movement of each player to be placed in the position of the official game circle. An output image signal 7 is obtained formed mixing the output of the circuit 5 with a nominal ficial game circle plot output image signal formed by a microcomputer 6 by an adder 11.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a method for displaying movements such as cooperative play seen in various sports competitions. Expressing the formation and its changes,
It displays sports competitions in a way that makes them more interesting and convenient for explanation.

[Prior Art] Conventionally, in television (TV) broadcasts of sports competitions, devices such as strobe action devices that trace the trajectory of the ball have been used.

However, the fun of watching sports competitions on TV is not just in the movements of specific players or the movements of the ball, but also in the cooperative play, that is, the formations and their movements. No consideration is given to this in the method of displaying live sports competitions on display.

[Purpose] Therefore, the purpose of the invention of wood is to consider the following problems,
The purpose of the present invention is to provide a method for displaying the movement of a player's ball, etc. in the entire competition area during cooperative play, etc., in TV video display.

[Summary of the Invention] The present invention provides a method for photographing the scene of a competition in a stadium, etc., and displaying the video as a television signal by installing a television camera at a location where the stadium can be photographed, and capturing the output video of the camera. A first image signal indicating a competition circle constituting a still image portion and a second image signal indicating the movement of an athlete etc. constituting a moving portion are separated and extracted from the signal, and the first image signal and the second image signal are extracted from the signal. Generate image conversion information based on the difference from the official competition circle, form a third image signal showing the trajectory of the moving part from the second image signal, and convert the trajectory of the moving part in the third image signal to the second image signal. The fourth image is corrected using image conversion information and shown as a trajectory on the official competition circle.
The fourth image signal is mixed with a plot output signal indicating an official competition circle stored in a memory in advance to form a television signal.

[Example] The wooden invention will be described in detail below with reference to the drawings.

FIG. 1 is a diagram showing the configuration of a baseball broadcasting apparatus to which the present invention is applied. In Figure 1, 1 is a high-height baseball field facility;
For example, it is an imaging camera installed in a lighting lamp that captures the entire movement of a competition. A video signal from this photographic camera 1 is guided to a motion detection circuit 2. The motion detection circuit 2 masks parts other than the competition circle (for example, the audience seats) in the captured image obtained by the imaging camera 1, and then detects the competition circle that constitutes the still image part and the video part from the remaining image. A first image signal and a second image signal representing each are generated by separating the player and the ball that make up the image, and further converting the movement of the player and the ball from the second image signal into a locus of the position of a point on the screen. to generate a third image signal, and guide this third image signal to the trajectory storage circuit 3, while the first image signal representing the competition circle obtained by the motion detection circuit 2 is guided to the image position conversion type learning circuit 4. Then, in this circuit 4, an image position conversion formula is determined based on the difference between the competition circle in the first image signal and the official competition circle in the rule book determined for each competition. Based on the image conversion equation obtained by the image position conversion equation learning circuit 4, the trajectory correction circuit 5 determines the trajectory (time) of the position of the point indicating the movement of the player and the ball in the third pictorial signal from the trajectory storage circuit 3. The information on the series is converted and the movements of each player and the ball are normalized so that they are placed in the position of the competition circle L on the rule book.

The output of this trajectory correction circuit 5, that is, a signal indicating the corrected movements of the player and the ball, is sent to a microcomputer circuit 6.
The output video signal 7 is obtained by mixing the competition circle plot output video signal written in the rulebook for each competition created by the adder 11. The output video signal 7 is input to an existing switcher device 8 at the broadcasting station.

On the other hand, the game is imaged by an imaging camera 12 installed on the side of the puck net of a baseball field, and the switcher device 8 performs a remix operation in which the output video signal 7 is wiped with the actual image taken at a wide angle by the TV right camera 2. to obtain a TV signal. With this TV signal, for example, as shown in FIG. 1, the TV screen 13 shows the competition circle plot (A) on the rule book in the upper half and the locus B of the positions of the points indicating the movement of the players and the ball, and the lower half shows Actual footage of the competition can be shown to the club.

In such a configuration, the image position conversion formula learning circuit 4 may be activated once to learn the image conversion formula before the competition begins. Further, the points indicating the movement of each player and the ball corrected by the trajectory correction circuit 5 can be individually colored and displayed by the color addition circuit 9 via the microcomputer circuit 6. Furthermore, the movement information of each player and the ball corrected by the trajectory correction circuit 5 can be stored in the storage circuit 10 like a scorebook.

Furthermore, a commentator or the like can use the light-ben device 14 to point out exemplary defensive positions etc. on the screen via the trajectory correction circuit 5.

In the embodiment described above, the trajectory memory circuit 3 stores chronological information of the competition, but past data, such as the exemplary layout of the king shift and the high probability batted ball trajectory for each player, are stored in the trajectory storage circuit 3. It is also possible to provide another memory circuit that stores information, and to guide the information read therefrom to the trajectory correction circuit 5 and display it in comparison with the information on the time series. Further, in sports such as soccer, rugby, and basketball, only the points indicating the movements of individual players can be colored and expressed separately using the color adding circuit 9. Moreover, exemplary defense and offense performances can be expressed by color-coding them by enemy and ally.

In tennis competitions, etc., a color addition circuit can be used to color the trajectory of a ball's movement, etc., depending on the slowness of the ball, and this can be used to indicate state transitions in mental play.

[Effect] As explained above, according to the present invention, a competition circle plot on a rule book is shown on a TV screen, etc., and the movements of players and balls on the circle are shown as trajectories of point positions. , it is possible to clarify the state transitions of a competition, making it possible to express video expressions that were not possible before, such as professional movements in actual competitions and the roles played by individuals during competitions, making sports programs more interesting. It can also bring excellent educational effects to people studying sports.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the configuration of a baseball broadcasting apparatus to which the present invention is applied. 1.12...Imaging camera, 2...Movement detection circuit, 3...Trajectory storage circuit, 4...Image position conversion type learning circuit, 5...Trajectory correction circuit, 6...Microcomputer Circuit, 7... Output video signal, 8... Switcher device, 9... Color addition circuit, 10... Memory circuit, 11... Adder, 13... TV screen, 14...・Light pen device.

Claims (1)

[Scope of Claims] 1) When photographing the scene of a competition, etc. in a stadium, etc. and displaying the video as a television signal, a television camera is installed at a location where the stadium can be photographed, and the output video signal of the camera is A first image signal indicating a competition circle constituting a still image portion and a second image signal indicating the movement of an athlete etc. constituting a moving portion are separated and extracted from the image signal, and are formally combined with the first image signal. generating image conversion information based on the difference from the competition circle, forming a third image signal indicating the trajectory of the moving part from the second image signal, and converting the trajectory of the moving part in the third image signal into the image; Forming a fourth image signal corrected by the conversion information and shown as a trajectory on the official competition circle, and mixing the fourth image signal with a plot output signal indicating the official competition circle stored in a memory in advance. A method for displaying motion of competitions, etc. in television image display, characterized in that a television signal is constructed by 2) In the motion display method for competitions, etc. in television video display according to claim 1, the fourth image signal is separated for each enemy, ally, and/or player,
A motion display method for competitions, etc. in television video display, characterized by showing colored trajectories. 3) In the motion display method for competitions, etc. in television image display as set forth in claim 1, the fourth image signal is classified according to slowness and speed of motion and shows colored trajectories. A motion display method for competitions, etc. in television image display. 4) In the motion display method for competitions, etc. in television video display as set forth in claim 1, a large number of the fourth image signals are stored in a storage means, and are stored as model examples, past examples, etc. as necessary. A method for displaying movements of competitions, etc. in television image display, characterized by reading out motions as follows. 5) In the motion display method for a competition or the like in a television image display as set forth in claim 1, the fourth image signal may include a portion of the image position of the trajectory based on information indicating the position from the light pen device. A motion display method for competitions, etc. in television video display characterized by corrections or additions.