This PPT consists of discussion on certain old and new technologies used in today's most popular sport in the world "Cricket". (Please play it in the "Slideshow" mode to understand and feel the better experience of this particular PPT as it contains various GIFs and video for better understanding)

1. TECHNOLOGY IN CRICKET
Presented by-
SAHIL SINGH
1

2. INTRODUCTION
 Over the years cricket has incorporated into the game a
few of the latest technological advances available.
 But generally the ICC have been rightly cautious about
making changes to the game
2

3. TECHNOLOGIES
 Floodlights
 Hawk Eye Technology
 Snicko-meter
 REV Counter
 Spider Cam
 Hot Spot
 Stump Camera
 Speed Gun
 Bowling Machine
 LED Bails
 Instant Replays
3

4. FLOODLIGHTS
 Floodlights are
broad-beamed, high-
intensity artificial
lights.
 They are often used to
illuminate
outdoor playing
fields while an outdoor
sports event is being
held during low-light
conditions.
4

5. TYPES
1)Metal Halide 2)Sodium Vapor 3)LEDs
Lamp Lamp
5

6. ANZ STADIUM DSC CRICKET
(AUSTRALIA) STADIUM (DUBAI)
6

7. HAWK-EYE TECHNOLOGY
 Hawk-Eye is a
computer system
used in numerous
sports.
 Hawk-Eye is a
technology used in
cricket which gives
you a virtual
understanding of the
angle and distance of
where a ball travels
once it pitches.
7

8.  The Sony owned
Hawk-Eye system
was developed in
the United
Kingdom by Paul
Hawkins.
 The system was
originally
implemented in
2001 for television
purposes in cricket.
8

9. HOW DOES HAWK-EYE WORKS?
 The whole setup involves
six high speed vision processing
cameras along with two
broadcast cameras.
 When a deliver is bowled, the
position of the ball recorded in
each camera is combined to
form a “virtual” 3D positioning of the ball after its
being delivered.
9

10. DIFFERENT TYPES OF HAWK-EYE
1)WAGON WHEEL 2) DeSpin
10

11. 3) Pitch Maps 4) Rail Cam
11

12. SNICKOMETER
 The snickometer was
invented in the 1990s
by English computer
scientist Alan Paskett.
 Did the ball clip the bat
on the way through to
being caught?
 Did the ball actually hit
the pads meaning it
isn’t caught out, but
could be an LBW?
12

13. HOW DOES IT WORKS?
 A microphone in the stumps picks up the
sound and this is cleaned up to remove
ambient noise by filtering.
 BALL ON BAT BAT ON PAD
13

14. REV COUNTER
 This technology is
used to show the
rotation speed of the
ball.
 It is used when
spinners are bowling,
to show viewers the
idea how much each
ball is spinning.
14

15. HOW IT WORKS?
 A high speed camera focused on the ball,
possibly using the same images that are
captured for the Hawkeye system.
 3D Doppler tracking radar used in tennis and
golf, and possibly in cricket.
15

16. SPIDERCAM
 It is a system using
which film and television
camera can cover
filming by moving in
both horizontally and
vertically.
 This movement typically
takes place in
a predetermined
area, known
as "FLYING AREA".
16

17. HOW DOES IT WORKS?
 The Spidercam operates with four motorized
winches (refer the above figure)positioned at
each corner at the base of the covered area,
each of which controls a Kevlar
cable connected to a gyro-stabilized camera-
carrier, or dolly.
17

18.  By controlling the
winding and unwinding
of the cables, the
system allows the
dolly to reach any
position in the three-
dimensional space.
 The inputs of the
Spidercam "pilot" are
processed by software
which forwards the
commands to the
winches via fiber optic
cables.
18

19. HOT SPOT TECHNOLOGY
 Hot Spot is an
infra-red imaging
system used in
Cricket to determine
whether the ball has
struck the batsman,
bat or pad.
19

20. HOW DOES IT WORK?
 Hot Spot uses two infra-
red cameras positioned at
either end of the ground.
 These cameras sense
and measure heat from
friction generated by a
collision, such as ball on
pad, ball on bat, ball on
ground or ball on glove.
20

21. SPEED GUN
 The speed gun is a device
that measures the speed
of the ball from one end of
the pitch to the other.
 And is thus used to
calculate the speed at
which a bowler delivers
the ball.
 It has been used regularly
in cricket since 1999.
21

22. HOW DOES IT WORKS?
 Measuring the speed of the
bowl by a radar is similar to
measuring the speed of the
moving car.
 This gun consists of both a
receiver and a transmitter.
 By using the principle of Doppler Shift,
calculates the speed of the ball.
22

23.  𝑣𝑠 =
∆𝑓
𝑓
𝑐
Where, ∆𝑓 −
− 𝐶ℎ𝑎𝑛𝑔𝑒 𝑖𝑛 𝑟𝑒𝑐𝑒𝑖𝑣𝑖𝑛𝑔 𝑎𝑛𝑑 𝑡𝑟𝑎𝑛𝑠𝑚𝑖𝑡𝑡𝑖𝑛𝑔 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦
f ----- Transmitting frequency
23

24. STUMP CAMERA
 The Stump Camera
for long has been part
of cricket
broadcasting.
 It is a small camera
hidden inside the
stumps at both ends
providing a unique
angle to viewers.
24

25. HOW DOES IT WORKS?
 It is a small tv camera
inside a hollow stump.
 The Camera gets
aligned vertically to the
camera view through a
small window on the
side of the stump via a
mirror.
25

26. BOWLING MACHINE
 In cricket a bowling
machine is a device
which enables
a batsman to practice
(usually in the nets).
 To hone specific skills
through repetition of the
ball being bowled at a
certain length, line and
speed.
26

27. HOW DOES IT WORKS?
 The main mechanism of
the machine consists of
two heavy wheels,
between 30 and 50 cm
in diameter, fitted with
solid
or pneumatic rubber
tyres, each driven by its
own electric motor.
 A chute delivers the ball
between the wheels,
protecting the coach’s
hands.
27

28. 28

29. LED BAILS
 With conventional bails, it
is difficult for the umpire to
tell when the bail is
'completely dislodged’.
 The innovation was
conceived by Bronte
EcKermann, an Australian
mechanical industrial
designer, and created by
South Australian
manufacturer Zing
International.
29

30. HOW DOES IT WORKS?
 Low voltage batteries are in
corporated in each of the
bails and stumps.
 A microprocessor in each
bail detects when BOTH spigots are dislodged
from the stump grooves.
 The wickets come fitted with LED. The bails also
have an in-built sensor than can determine if a
wicket is broken, in just 1/1000th of a second.
30

31. LED Bails In Slow Motion
31

32. INSTANT REPLAY
 Instant replay is
a video reproduction of
something that recently
occurred which was both
shot and broadcast live.
 The video, having
already been shown live,
is replayed in order for
viewers to see again
and analyze what had
just taken place.
32

33.  Video servers, with their
advanced technology,
have allowed for more
complex replays, such
as freeze frame, frame-
by-frame review, replay
at variable speeds,
overlaying of virtual
graphics, instant analysis
tools such as ball speed
or immediate distance
calculation.
33

34. REFERNCES
 https://acousticengineering.wordpress.com
 Wikipedia.org
 Quora.com
 topendsports.com
 International Journal of Engineering
Research and Technology (IJERT)
34

35. 35