After enduring their worst Olympic Games in two decades in London, the Australian Olympic Committee (AOC) is confident of hitting back at Rio 2016.

The AOC's Chef de Mission Kitty Chiller has been thrilled to see the beginnings of a resurgence in the pool from Australia at the FINA World Championships in Kazan, while she believes a change in how government funding is allocated will see more success from lower-profile events.

At London 2012, Australia finished 10th overall - their worst result since Barcelona 1992 - as they accumulated just seven gold medals and 35 in total.

At the previous three Games, Australia had won at least 14 gold medals and never finished lower than sixth.

One of the critical problems was that the swimming team - normally a powerhouse - claimed just one gold medal, but in Kazan they already have three with five days of competition remaining.

While the success of the women's 4x100m freestyle relay team, Mitch Larkin and Emily Seebohm will be a relief to Australian sports fans ahead of next year's Olympics, Chiller has challenged other sports to "step up" one year out from the start of Rio 2016.

"Swimming would normally produce four, five, six gold medals and we need that. Their 10 overall medals in London is about a third of our overall medal [tally], which is what we normally rely on… but we can't put all the pressure on the swimmers," Chiller told Omnisport on Wednesday.

"Sure we're watching Kazan closely and it's very positive… but we can't just rely on the swimmers to have a good performance.

"Other sports also need to step up; sports that in Sydney and Athens were on the podium in beach volleyball, shooting, equestrian, taekwondo, archery - those sports need to get back up on the podium. They've got the talent to do it; they've had the results in the last 1-2 years. So we need other sports to step up so we get that spread of medals."

Australia's poor performance in London sparked a review into sports funding, which has resulted in a 'medals for money' approach and Chiller believes it has increased the "pressure to perform".

One event that could be set for some breakthrough success, according to Chiller, is the sport closest to her heart - modern pentathlon.

Chiller represented Australia at the 2000 Olympics in Sydney and is now president of Modern Pentathlon Australia.

The Chef de Mission is excited at the potential of brother-and-sister combination Max and Chloe Esposito, who became the first two Australians to qualify for Rio 2016 last month.

Chloe, 22 finished seventh on her Olympics debut in London and claimed third in the World Cup final in July, while 17-year-old Max has risen from 164th in the world to 23rd in his first year of senior competition.

"We've [Australia] never won a medal in pentathlon," Chiller said.

"The closest we've got is fourth in 1964, so that's a bit of a favourite from me."