SO YOU CAN SEE THAT LIKE SOMEBODY SPEAKING AND SO AND SO BEFORE THE SH BEFORE THE SHOT YOU CAN SEE THAT USUALLY THERE ARE LIKE NINETY PERCENT OF THE POINTS AT LEAST HMM BUT THEN AFTER SUDDENLY IF YOU GO FROM ONE FRAME AND YOU TRY TO MATCH ALL THE POINTS HERE WITH LIKE A TRANSLATION PLUS THE ZOOM PLUS MAYBE SOME ROTATION YOU C YOU CAN FIND ANYTHING WELL RIGHT SO BASICALLY YOU WOULD SEE THAT THE NUMBER OF POINTS MAYBE ONLY TEN PERCENT OF THE POINTS YOU CAN MATCH WELL SO IT'S EASY TO DETECT AND UH AFTER YOU CAN SEE THAT INDEED BECAUSE IT'S A LONG SHOT AND IT'S ALMOST LIKE A FLAT PLANE YOU CAN DO A VERY GOOD REGISTRATION THROUGH THE NUMBER OF POINTS IS VERY HIGH I MEAN THE NUMBER OF POINTS THAT ARE MATCHING UH AND HERE YOU BASICALLY HERE WITH A HISTOGRAM UH YOU CAN SEE IT VERY FLAT BUT OF COURSE YOU SHOULD GO FROM THIS HISTOGRAM TO THIS WHICH IS ESSENTIALLY GREEN YOU HAVE THIS BIG UH MEASURE WHICH IS HERE UH THE CHI TWO I DON'T KNOW WHETHER THIS IS WHAT YOU IMPLEMENT IS USED IN THE NO IT'S IT'S BHATTACHARYA OKAY OKAY YEAH SO YEAH AND YOU HAVE MAYBE A ONE IMAGE WITH A UM ADAPTIVE THRESHOLD I THINK YOU HAD SOMETHING LIKE THIS RIGHT JUST TO EXPLAIN UH HOW OKAY SET THE BEGINNING YEAH UH YEAH YOU SEE LIKE HERE YEAH SO THERE IS THE IDEA IS HAVING A SLIDING WINDOW UM WE HAVE ALREADY ALL THE DATA THAT IS ON THE GRAPH AND THEN TO DETECT UH THE THE THE THE CHANGES WE WE DO A CALCULATION UM WITH POINTS UNDER THIS SLIDING WINDOW WITHIN THIS SLIDING WINDOW AND UH WE CALCULATE SO WHAT DO WE HERE UM IN FA WE WANT TO DETECT THAT UH THIS POINTS IN THE MIDDLE IS HIGHER THAN UH ALPHA TIMES THE MAXIMUM OF THE OTHER ONES OF THE OTHER ONES ALPHA TIMES THE MAXIMUM OF THE OTHER ONES SO THE OF COURSE IF IT'S YOU ARE NOT A MAXIMUM YOU ARE NOT GOING I INSIDE THE WINDOW YOU ARE NOT THE MAX ANYWAY YOU ARE NOT GOING TO BE TO BE ABOVE UH ALPHA TIMES THE MAX OF THE OTHERS RIGHT UH BECAUSE ALPHA IS LOW LOWER THAN ONE UH LIKE FOR INSTANCE YEAH LIKE FOR INSTANCE HERE I I SEE SIX BUT I DON'T KNOW WHETHER THIS WAS FOR BHATTACHARYA OR FOR UH CHI S CHI TWO YEAH YEAH YEAH YEAH TWO POINT FOUR YEAH SO IT'S A BIT LESS BECAUSE THE AMPLITUDE IS MUCH SMALLER YEAH UH YEAH SO YOU CAN UH IT WAS NOT SO JUST I MEAN BECAUSE THE MOTION I MEAN IT WAS UH IN THE SHOT WE'VE SEEN F BECAUSE F ESPECIALLY WITH CHI TWO SQUARE IT R THE AMPLITUDE IT'S MUCH BIGGER THAN WITH BHATTACHARYA RIGHT UH YOU CAN SEE THAT IT COULD GO TO SEVEN HUNDRED AND WHEN IT'S THERE IS NOTHING IT'S CAN BE ZERO WITH BHATTACHARYA IT'S BETWEEN ZERO AND ONE SO YOU HAVE NOT SO MUCH AMPLITUDE UM BUT UH STILL UH IN SOME OF THE V THESE VIDEOS FOR INSTANCE EVEN IF WE GON GO NOW IF WE WANT TO BUT NOW FOR THE KAYAK CASE I DON'T KNOW UH AT SOME POINT TARGETING TWO KAYAKS AND IT'S MOVING QUITE FAST TOWARDS TO OTHER PEOPLE I DON'T KNOW WHAT HAPPENED THERE IF IT WAS DETECTED AS A SHOT TRANSITION OR YEAH YEAH IT WAS IT AS A SHOT OKAY I WAS UH WONDERING YEAH YEAH MAYBE BUT HERE FOR INSTANCE YOU UNDERSTAND SO WE CAN SHOW THIS TOMORROW TO UH TO THE PEOPLE AT THE CI CINETIS MEETING I MEAN TO I WILL LOOK TO HAVE A CONNECTION OKAY YEAH AND WE NEED A LAPTOP OR YOU HAVE YOURS OKAY I'LL I'LL BRING IT OKAY SO IT'S IT'S DONE THIS IS IDIAP LAPTOP SO YOU CAN U OKAY SO HERE IN FACT AFTER TWELVE UM I DON'T KNOW IF IT'S I THINK IT'S TWELVE FRAMES WELL YEAH BUT NORMALLY THERE IS A A BURNING IF YOU C MAYBE YOU CAN PLAY THE SHOT OR YEAH IT'S STRANGE I MEAN MAYBE YOU PLAY YEAH IF YOU PLAY THE THE VIDEO WELL INSI AT THE BEGINNING I DON'T KNOW WHAT'S HAPPENING I DIDN'T UH HA I DIDN'T HAVE TIME TO THE THE REAL MEDIA BUT UM YEAH IT'S COMPLICATED WELL NO I MEAN HERE I CAN SEE THAT IT WAS IT WAS DETECTED AS A SINGLE SHOT OKAY I WAS BECAUSE HERE YOU CAN SEE THAT THE MOTION UH HERE IS UH YOU KNOW HE IS UH DOING A ZOOM ON THE TWO KAYAKS HERE YEAH AND THEN HE'S DOING QUITE A FAST TRANSITION FROM THESE TO ANOTHER ONE AND I WAS WONDERING WHETHER SO IF YOU WELL THOUGH OF COURSE IT'S TRUE THAT IT'S MAINLY WATER SO MAYBE THE COLOUR IS INDEED UH QUITE BUT YOU KNOW AS A KAYAK IS ENTERING QUITE FAST I MEAN YOU CAN HAVE QUITE MAYBE GOOD DISTANCE BUT I SEE THAT IT SEEMS TO BE HOW MANY SHOTS DO YOU HAVE INDEED DE DE DETECTED IT'S I THINK IT'S F THERE THERE ARE FIVE NORMALLY IF WE PUT EXPAND ALL OKAY IT'S WITH THE IMAGES I GAVE YOU OR OKAY THE OTHER ONE I HAD PROBLEMS CONVERTING UH UH THE VIDEO INTO D. V. X. AND THEN UH SO I USED THE PROGRAMME FROM UH SOFTWARE FROM SEBASTIEN P. P. A. P. M. TO A. V. I. BECAUSE YEAH ONE THING UH MAYBE WE WILL TALK ABOUT THAT IS THE LIBRARY UH IT'S UH IT DOESN'T UH COMPILE ANYMORE ON DEBIAN MACHINES AND YEAH SOME MAYBE SOME WORK HAS TO BE DONE ON THIS I DON'T KNOW WHY THIS UH IMAGE DOESN'T APPEAR THIS IS THE UM UM THE FRAME THAT IS UH UH EXTRACTED TO BE THE SHOT KEY FRAME HERE THIS ONE IS THIS ONE THE MIDDLE ONE SO I DON'T KNOW WHAT WHY IT DOESN'T APPEAR BUT IT JUST UH A SIMPLE PROBLEM IN THE GET FRAME BUT WHAT I CAN SHOW YOU NOW IS A LITTLE PROGRAMME IF WE WANT TO BE UM VERY PRECISE ABOUT SO IT'S MA GET FRAMES OKAY C. G. I. HERE AND WE WERE INTERESTED IN AROUND WHAT DI DO YOU WANT AROUND SIX SEVEN SECONDS YEAH I MEAN INITIALLY I DON'T KNOW WHY THERE IS A A SHOT DETECTED UH IF WE DO NEXT OH YEAH THERE IS SOMETHING WRONG SO IT DETECTS YEAH IN FACT YEAH THAT'S WHY I SAID IT'S IT'S A FRAME NUMBER UH W I DON'T KNOW WHY YEAH YEAH YEAH IT'S A FRAME NUMBER THIS IS A FRAME NUMBER THIS IS IN SECOND BUT I I KEPT THE FRAME NUMBER IT'S TWELVE FRAMES ZERO SECONDS OKAY YEAH OKAY OKAY SECONDS PLUS NUMBER OKAY SO BASICALLY WHAT HAS BEEN UH YEAH EXTRACTED IS YEAH THIS POINT RATHER THAN OKAY SO THIS IS NORMAL OKAY SO IF WE DO EVERY SECOND UH I D THE MIDDLE FRAME IS UH THIS ONE THOUSAND OKAY DO YOU THI IT'S ANOTHER KIND OF BROWSING PAGE