Devoir de Philosophie

5 minutes talk

Publié le 16/04/2014

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5 minutes talk : « Big Brother is watching you » People often reveal their private emotions in tiny, fleeting facial expressions, visible only to a best friend or to a skilled poker player. Now, computer software is using frame-by-frame video analysis to read subtle muscular changes that flash across our faces in milliseconds, signaling emotions like happiness, sadness and disgust. With face-reading software, a computer's webcam might spot the confused expression of an online student and provide extra tutoring. Or computer-based games with built-in cameras could register how people are reacting to each move in the game and ramp up the pace if they seem bored. But the rapidly developing technology is far from infallible, and it raises many questions about privacy and surveillance. Ever since Darwin, scientists have systematically analyzed facial expressions, finding that many of them are universal. Human...

« H K I - A NG L A IS poi n t w he re t hey can combi ne facia l coding, voice sensing, gestu re t r ack i ng and gaze t rack i ng, he said, a less st i l ted way of i n te ract i ng w i t h mach i nes w i l l ensue. Fo r some, t h is t ype of technology ra ises an O rwel l ian specter.

A nd A ffect iva is awa re t ha t i ts face-read i ng sof twa re could st i r p r ivacy concerns.

B u t Dr.

K a l iouby said t ha t none of t he comi ng apps usi ng i ts sof twa re could record v ideo of people’s faces.

« T he sof t wa re uses i ts algo r i t h ms to read you r exp ressions, » she said, « bu t i t doesn’ t sto re t he f ra mes.

» So far, t he company’s algo r i t h ms have been used ma i n l y to mon i to r people’s exp ressions as a way to test ads, mov ie t r a i le rs and te levision shows i n advance.

I t is m uch cheaper to use a p rog ram to analyze faces t ha n to h i re people w ho have been t r a i ned i n face-read i ng. A ffect iva’s cl ien ts i ncl ude U n i lever, M a rs and Coca-Cola.

T he adve r t is i ng research agency M i l l wa rd B rown says i t has used A ffect iva’s technology to test abou t 3,000 ads fo r cl ien ts. Apps t ha t can respond to facia l cues may f i n d w ide use i n educa t ion, gam i ng, med ici ne and adve r t is i ng, said W i nslow Bu r leson , an assis tan t p rofessor of h u man-compu te r i n te ract ion a t A r izona Sta te U n ive rsi ty.

People w i t h au t ism, w ho can have a ha rd t i me read i ng facia l exp ressions, may be among t he benef icia r ies, Dr.

B u r leson said.

By wea r i ng Google Glass or other I n te r ne t-connected goggles w i t h cameras, t hey cou ld get clues to t he react ions of t he people w i t h w hom t hey we re t a l k i ng, clues t ha t could come v ia an earp iece as t he p rog ram t ra nsla tes facia l exp ressions. Bu t facia l-coding technology r a ises p r ivacy concerns as mo re and mo re of society’s i n te ract ions a re v ideotaped, said Gi nger McCa l l, a lawye r and p r i vacy advoca te i n Wash i ng ton.

« T he u ngua rded exp ressions t ha t f l i t across ou r faces a ren’ t always t he ones we wan t other people to read i ly i den t i fy, » Ms.

McCa l l said, fo r examp le, du r i ng a job i n te r v iew.

« We rely to some exten t on t he t r a nsience of t hose facia l exp ressions.

» She added: « P r iva te compan ies a re developi ng t h is technology now.

B u t you can be su re govern men t agencies, especia l ly i n secu r i ty, a re t a k i ng an i n te rest, too.

» Ms.

McCa l l ci ted severa l govern men t repo r ts, i ncl ud i ng a Na t iona l Defense Research I ns t i t u te repo r t t h is yea r t ha t d iscusses t he technology and i ts possib le app l ica t ions i n ai r po r t secu r i t y screen i ng. 2. »

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