Abstract: The present invention is to provide an image analysis method for sensing moving ball, and sensing device using same significantly improving the speed of image processing by performing image analysis by applying an analysis object area set immediately before each acquired image to the current image according to a method that setting an analysis object area, which is a partial area, without analyzing the entire image in analyzing an image for sensing a moving ball in sports with balls, detecting the ball within the set analysis object area, calculating the physical quantity of the ball movement, and setting another analysis object area to include the position where the ball will appear on the image to be analyzed based on the position of the ball detected on the image being analyzed.

Abstract: The present invention may provide a screen used for screen golf, which can improve the brightness and clarity of the image projected on the screen by suppressing the light of the image from passing through the screen and increasing the reflectance of light from the front of the screen when an image is output by a projector on the screen. In addition, despite repeated golf shots of many users, the brightness and clarity of the image projected on the screen may not be damaged.

Abstract: The present invention relates to a virtual golf simulation processing method capable of providing various simulation image production modes such that, when a user takes a golf shot in a certain situation, a unique simulation image for the golf shot is produced, whereby a user who plays a virtual golf game experiences a more dramatic and dynamic simulation image, and therefore it is possible to induce interest of the user, and a screen golf system using the same.

Abstract: Disclosed are a virtual golf system, a virtual golf introduction image generation method, and a virtual golf player information calculation method capable of providing a separate introduction image showing two or more users so as to be comparable to each other through record information of a virtual golf game of each of a plurality of users who use the virtual golf system before the plurality of users access the system in order to play the virtual golf game, whereby it is possible to induce users' record competition in the virtual golf game and to provide the users with immersiveness and interest in the game.

Abstract: Disclosed are a device for calculating flight information of a ball and a method of calculating flight information of a ball that are capable of rapidly calculating the motion parameters of a ball and a golf club using an infrared sensing type device or a camera sensing type device and very rapidly calculating spin information of the ball corresponding to the calculated motion parameters with high accuracy through a simple calculation with reference to database type information about the calculated motion parameters, and a computing-device-readable recording medium having the method recorded therein.

Abstract: A spin calculation method for a golf ball moving by being hit according to an embodiment of the present invention comprises: acquiring a first image and a second image, which are consecutive images for the golf ball with a plurality of markers to be hit and moved, respectively; processing to obtain information on a reference marker and a plurality of peripheral markers around the reference marker for a plurality of markers on a first ball image corresponding to a golf ball in the first image; specifying a combination of markers corresponding to the reference marker and the peripheral markers on the first ball image among markers in a second ball image corresponding to a golf ball in a second image; and processing to calculate a spin axis and a spin amount of the moving golf ball using each center point of a pair of markers corresponding to each other on the first ball image and the second ball image.

Abstract: It is an object of the present invention to provide a hybrid golf system, a control method of a mobile terminal used to the same and a method for locating a golf ball at a ball position on a field using a user's mobile terminal in the hybrid golf system that allows the user to find a golf ball position on an actual field corresponding to a virtual ball position on a virtual golf course using the user's mobile terminal without additional devices for pointing the golf ball position.

Abstract: It is an object of the present invention to provide a hybrid golf system and control method for the same that can further improve the realism of golf play by naturally connecting a virtual golf course on an image projected on a screen and an actual field to naturally convert from a virtual golf play through the virtual golf course image to a field play on the actual field. The above object can be accomplished by the provision of a hybrid golf system comprising a screen golf module in which a virtual golf play can be performed, an actual field on which an actual golf play can be performed, and a screen shutter provided on a wall of the screen golf module facing the actual field.

Abstract: The present invention is related to a device and method for sensing motion of sphere moving on plane using single-camera, and device and method for sensing motion of golf ball moving on putting mat that a low-cost single-camera is used for sensing a sports sphere moving on a plane as a target object, and the sports sphere can be detected without a separate dedicated lighting and a space in which the sphere moves can be recognized, so it can be used regardless of location with a simple configuration, away from the limitation that the installation position of the camera must be fixed.

Abstract: It is an object of the present invention to provide a rough mat that can significantly increase the difficulty compared to golf shots on a fairway mat and form a terrain that makes shots difficult to provide a more realistic golf shot environment on a rough for users to have a sense of hitting on the rough. For this end, the rough mat comprises an upper plate providing a turf part on which a golf ball is placed; and a topography forming frame configured to have a pattern for forming a curved topography and provided under the upper plate so that the upper plate forms the curved topography according to the pattern of the topography forming frame.

Abstract: The present invention is to provide a device for sensing golf swing and a method for sensing an impact position on club head using two cameras operated in a stereoscopic manner with each other in the sensing device to accurately calculate the position where the golf ball is impacted on the head-face of the golf club when hitting the golf ball.

Abstract: The present invention provides a method for calculating a swing trajectory of a golf club using radar sensing data capable of calculating a swing trajectory of a golf club therefrom, a radar sensing device using the same, and a recording medium readable by a computing device recording the calculation method, which calculates the position coordinate information of the golf club through the analysis of the radar signal separately from calculating the motion parameters for the ball through the analysis of the radar signal when the golfer hits the ball with the golf club, and effectively calculate the swing trajectory of the golf club from the calculated position coordinate information of the golf club.

Abstract: The present invention is to provide a divided driving swing platform including a plurality of plates divided from the swing platform on which a user can perform a golf swing with a golf club and operated stably by increasing a degree of freedom of movement of each of the divided plates so that each of the divided plates can move in various ways and interference between the divided plates does not occur when each of the divided plates is driven and operated.

Abstract: Proposed herein is a golf swing training apparatus for providing sensations of hitting for golf swing practice. The golf swing training apparatus includes: a shaft body formed to a predetermined length, and configured such that a grip and a stopper are formed at both ends thereof, respectively, and a metal region is formed in a part thereof on a grip side thereof; an impact ball coupled to be movable along the longitudinal direction of the shaft body, configured to provide weight for the generation of a sensation of hitting, and provided with a plurality fitting slots; and a plurality of magnets configured to be detachably fitted into one or more of the fitting slots of the impact ball, configured to hold the impact ball to the metal region, and configured to allow the strength of the action of attraction to be adjusted.

Abstract: Proposed herein is a golf swing training apparatus for providing sensations of hitting for golf swing practice. The golf swing training apparatus includes: a shaft body formed to a predetermined length, and having a grip; an impact ball coupled to be movable along the longitudinal direction of the shaft body, and configured to provide weight; a ball rail formed along the longitudinal direction of the shaft body, configured to provide a movement path, and provided with a stopper; one or more magnets installed in the impact ball, and configured to provide a magnetic force; and a magnet fixing part configured to face the magnet while forming a metal region, and also configured to hold the impact ball through the action of attraction with the magnet and to provide an attractive force having a different strength depending on the position of the impact ball.

Abstract: There are proposed a virtual golf simulation device and a virtual golf simulation method. According to an embodiment, there is proposed a virtual golf simulation device, including: a memory configured to store a hardness value indicative of the degree of hardness of a terrain in a virtual golf course; and an image processor configured to simulate the movement trajectory of a ball on the virtual golf course based on shot data on a user's golf shot and the hardness value.

Abstract: Proposed herein are an apparatus for providing terrain information on a green and a method for providing terrain information on a green. According to one embodiment, there is proposed an apparatus for providing terrain information on a green, the apparatus including: a simulation processor configured to display a virtual golf course image regarding a green, a hole cup on the green, and a first ball; and a guide processor configured to display a guide path between the hole cup and the first ball to provide terrain information on the green.

Abstract: The present invention may provide a screen used for screen golf, which can improve the brightness and clarity of the image projected on the screen by suppressing the light of the image from passing through the screen and increasing the reflectance of light from the front of the screen when an image is output by a projector on the screen. In addition, despite repeated golf shots of many users, the brightness and clarity of the image projected on the screen may not be damaged.

Abstract: Proposed are a virtual golf simulation device and a virtual golf simulation method. According to an embodiment, there is provided a virtual golf simulation device including: a first trajectory processing unit configured to simulate a first movement trajectory of a ball on a virtual golf course based on shot data on a golf shot of a user; and a second trajectory processing unit configured to simulate a second movement trajectory based on some of a plurality of factors for the simulation of the first trajectory.