When the mix double players Fischer/Pedersen played against the Taipei players Cheng/Chen in quarter final, they called shuttle (from Cheng/Chen) out twice and the replay clearly showed it was in. One time Pedersen was right standing at the line and call it out. Thumbs up to the line judges who didn't get influenced/confused by their poses. This reminded me when Boe/Morgensen played agains Chai/Guo in the tournament (all england 2011), Guo's return was clearly on the line, while Boe/Morgensen called it in, and the line judged also called it in. I remember clearly Morgenen showed to Guo with his thumb/index finger to show how far out it was. IWF really should punish this kind of unethical behavior.