volleyball referee rules and hand signals

Ĭhambers GS, Venkatesh S, West GAW, Bui HH (2004) Segmentation of intentional human gestures for sports video annotation. IEEE Trans Pattern Anal Mach Intell 8:679–698. Ĭanny J (1986) A computational approach to edge detection. Retrieved from īelgacem S, Chatelain C, Paquet T (2017) Gesture sequence recognition with one shot learned CRF/HMM hybrid model. īasketball New Zealand (2016) Introduction to refereeing basketball. In: 16th CSI international symposium on artificial intelligence and signal processing (AISP 2012), pp 508–513. Show a red card for expulsionĮND OF (SET) MATCH Cross the forearms in front of the chest, hands openīALL NOT TOSSED OR RELEASED AT THE SERVICE HIT Lift the extended arm, the palm of the hand facing upwardsĭELAY IN SERVICE Raise eight fingers, spread open (i.e.Bagheri MA, Montazer GA, Escalera S (2012) Error correcting output codes for multiclass classification: application to two image vision problems. MISCONDUCT PENALTY OR EXPULSIOIN Show a yellow card for penalty. SUBSTITUTION Circular motion of the forearms around each other TIME-OUT Place the palm of one hand over the fingers of the other, held vertically (i.e. TEAM TO SERVE Extend the arm to the side of team that will serveĬHANGE OF COURTS Raise the forearms front and back and twist them around the body

Next, the hand signal explaining the reason why (or what the game/ball fault is) is indicatedĪUTHORIZATION TO SERVE Move the hand to indicate the direction of serve.Immediately after a rally is over, the hand signal “Team to Serve” and a point is always indicatedįIRST to the team who earned the next service and point.All one-handed signals are made with the hand toward the side of the team which made the error.It is easy and well worth the effort for any player to learn these basic hand signals. The following contains descriptions of the Official FIVB (International Volleyball Federation) Referee’s hand signals that we will be using.

the server has taken more than 8 seconds to serve the ball which is a service fault) DISQUALIFIED Show both cards together for disqualification Show a red card for expulsion END OF (SET) MATCH Cross the forearms in front of the chest, hands open BALL NOT TOSSED OR RELEASED AT THE SERVICE HIT Lift the extended arm, the palm of the hand facing upwards DELAY IN SERVICE Raise eight fingers, spread open (i.e. generally for 30 seconds) SUBSTITUTION Circular motion of the forearms around each other MISCONDUCT PENALTY OR EXPULSIOIN Show a yellow card for penalty. Next, the hand signal explaining the reason why (or what the game/ball fault is) is indicated AUTHORIZATION TO SERVE Move the hand to indicate the direction of serve TEAM TO SERVE Extend the arm to the side of team that will serve CHANGE OF COURTS Raise the forearms front and back and twist them around the body TIME-OUT Place the palm of one hand over the fingers of the other, held vertically (i.e.Immediately after a rally is over, the hand signal “Team to Serve” and a point is always indicated FIRST to the team who earned the next service and point.All one-handed signals are made with the hand toward the side of the team which made the error or request.Volleyball Referee Hand Signals The following contains descriptions of the Official FIVB (International Volleyball Federation) Referee’s hand signals that we will be using.

Volleyball referee rules and hand signals