Rugby football is the collective name for the team sports of rugby union and rugby league.
Canadian football and, to a lesser extent, American football were once considered forms of rugby football, but are seldom now referred to as such. The governing body of Canadian football, Football Canada, was known as the Canadian Rugby Union as late as 1967, more than fifty years after the sport parted ways with rugby rules.
Rugby football started about 1845 at Rugby School in Rugby, Warwickshire, England, although forms of football in which the ball was carried and tossed date to the Middle Ages (see medieval football). Rugby football spread to other English public schools in the 19th century and across the British Empire as former pupils continued to play it.
Rugby football split into two codes in 1895, when twenty-one clubs from the North of England left the Rugby Football Union to form the Northern Rugby Football Union (renamed the Rugby Football League in 1922) at the George Hotel, Huddersfield, over payments to players who took time off work to play ("broken-time payments"), thus making rugby league the first code to turn professional and pay players. Rugby union turned professional one hundred years later, following the 1995 Rugby World Cup in South Africa. The respective world governing bodies are World Rugby (rugby union) and the Rugby League International Federation (rugby league).
Comparison of rugby league and rugby union
Following the 1895 split in rugby football, the two forms rugby league and rugby union differed in administration only. Soon the rules of rugby league were modified making limited tackle counts (6) and allowing for both teams shared possession of the football, resulting in two distinctly different forms of rugby.
The Olympic form of rugby is known as Rugby Sevens (based on rugby union format). In this form of the game, each team has seven players on the field at one time playing seven-minute halves. The rules and pitch size are the same as rugby union.
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Rugby union, commonly known simply as rugby, is a close-contact team sport that originated at Rugby School in the first half of the 19th century. Rugby is simply based on running with the ball in hand. In its most common form, a game is played between two teams of 15 players each, using an oval-shaped ball on a rectangular field called a pitch. The field has H-shaped goalposts at both ends. Rugby union is a popular sport around the world, played by all people regardless of gender, age or size.
Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players each, who primarily use their feet to propel a ball around a rectangular field called a pitch. The objective of the game is to score more goals than the opposing team by moving the ball beyond the goal line into a rectangular-framed goal defended by the opposing team. Traditionally, the game has been played over two 45-minute halves, for a total match time of 90 minutes.
Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. Australia is the largest country by area in Oceania and the world's sixth-largest country. Australia is the oldest, flattest, and driest inhabited continent, with the least fertile soils. It is a megadiverse country, and its size gives it a wide variety of landscapes and climates, with deserts in the centre, tropical rainforests in the north-east, tropical savannas in the north, and mountain ranges in the south-east.
A vital task in sports video annotation is to detect and segment areas of the playfield. This is an important first step in player or ball tracking and detecting the location of the play on the playfield. In this paper we present a technique using statisti ...