久久亚洲国产成人影院-久久亚洲国产的中文-久久亚洲国产高清-久久亚洲国产精品-亚洲图片偷拍自拍-亚洲图色视频

Make me your Homepage
left corner left corner
China Daily Website

Was it a goal? Debate should end at World Cup

Updated: 2014-06-10 10:57
( Agencies)

Was it a goal? Debate should end at World Cup

A GoalControl watch is displayed next to a control screen during a demonstration of the goal-line technology (GLT) in the western German city of Aachen May 28, 2014. [Photo/Agencies]

RIO DE JANEIRO - Was it a goal, or wasn't it?

The question shouldn't need to be debated in the next five weeks in Brazil, where goal-line technology will be used for the first time in a World Cup.

Fourteen cameras - seven trained on each goalmouth - have been hung up in all 12 World Cup stadiums. The cameras will record 500 images per second, and a computer will digest the frames. Within a second of a ball crossing the line, the referee's special watch will vibrate and flash "GOAL."

End of the debate? It should be. The designer of the system says 2,400 tests have been run in Brazil, without a mistake.

"This is the future," said Dirk Broichhausen, who heads the German company GoalControl, whose system will be used at the tournament and was demonstrated Monday at Rio's Maracana stadium.

It's also a type of technology that FIFA repeatedly balked at in the past. But the 2010 World Cup changed that when a shot by England's Frank Lampard in the second round against Germany was clearly over the line, but disallowed. That goal would have tied it 2-2. Instead Germany won 4-1. And that helped end the indecision.

"Most of the time the referee doesn't have the best vantage point for his decision - goal or no goal," said Johannes Holzmuller, who heads a FIFA program that helped implement the technology. "The same applies for normal TV cameras."

He said the human eye could record only 16 "frames" per second, no match for a high-speed camera.

Holzmuller was asked about the cost by several Latin American reporters, who said it seemed far too expensive for their leagues.

"For the World Cup, it (the cost) is quite simple. It's confidential." Holzmuller said.

Asked about it later, Broichhausen replied: "Nothing about the cost."

Different types of goal-line technology have already been used in club football, including the Hawk-Eye system in the Premier League this past season.

Holzmuller said the GoalControl system had proved reliable, even if several of its seven cameras were blocked by players. Broichhausen suggested the system could not be hacked, and FIFA has repeatedly said it's just another aid to help the referee.

"This system is not able to be manipulated because the system is off-line,"Broichhausen said. "Off-line means no internet connection. There is no possibility to manipulate or disturb anything."

The system has tested perfectly so far. That does not mean it is perfectly accurate.

Like most engineering projects, this one has a margin of error. It officially measures correctly within a plus-minus margin of 1.5 centimeters ({ inch), but Broichnausen suggested the real margin could be about 0.5 centimeters (less than \ inch).

"All of these 2,400 goal incident were correctly recognized by the system," Holzmuller said. "So yes, we can trust the system. We are sure it works 100 percent."

Previous Page 1 2 3 4 Next Page

8.03K
 
Hot Topics
Wei Guirong drives his granddaughters from kindergarten on his home-made three-wheeled vehicle in Luorong county, Liuzhou city of Guangxi Zhuang autonomous region, on May 19.
...
...
主站蜘蛛池模板: 日韩一区二区在线观看 | 亚洲精品国产经典一区二区 | 免费一级毛片在播放视频 | 99精品视频在线在线视频观看 | 亚洲黄色免费在线观看 | 国产 日韩 欧美 在线 | 亚洲精品一 | 九九精品久久久久久噜噜 | 久久久久久久久久久观看 | 在线日韩中文字幕 | 失禁h啪肉尿出来高h健身房 | 日本www色视频成人免费网站 | 国产视频精品久久 | 亚洲精品欧美精品中文字幕 | 91色久| 免费在线观看黄色毛片 | 成人18免费网站 | 成年人免费观看视频网站 | a色毛片免费视频 | 91进入蜜桃臀在线播放 | 久久久免费视频播放 | 韩国免费特一级毛片 | 亚欧视频在线 | 在线视频欧美日韩 | 波多野在线播放 | 国产一区二区三区影院 | 美女131爽爽爽做爰中文视频 | 久久99久久99精品 | 成人综合国产乱在线 | 99视频在线免费 | 在线中文字幕精品第5页 | 欧美一级毛片欧美大尺度一级毛片 | 一二三区在线观看 | 女人把腿劈开让男人桶的网站 | 337p欧美| 久久久久久久久毛片精品 | 国产欧美日韩精品在线 | 欧美成成人免费 | 亚洲六月丁香六月婷婷蜜芽 | 99免费观看视频 | 欧美成人伊人十综合色 |