BRING­ING LIGHT TO THE BLIND

Millennium Post - - Front Page - YO­GESH KANT

NEW DELHI: A PHD scholar at Jawa­har­lal Nehru Univer­sity’s School of Com­pu­ta­tional and In­te­gra­tive Sciences (SCIS), with guid­ance from his men­tor Dr Binod Ku­mar Kanau­jia, has de­vel­oped an ar­ti­fi­cial in­tel­li­gence de­vice which will help vis­ually-im­paired peo­ple get an im­pres­sion of ob­jects and/or per­sons in front of them.

The en­tire ap­pa­ra­tus com­prises of a chip and an an­tenna placed in­side the retina, as well as spec­ta­cles mounted with a video cam­era and an an­tenna which will be worn by the blind per­son.

Ex­plain­ing the nor­mal process of image for­ma­tion in the eye, the scholar Vikrant Kaim said that pho­tore­cep­tor cells

cap­ture light com­ing from the out­side, us­ing which a pic­ture en­graved over the retina.

How­ever, in vis­ually im­paired peo­ple, th­ese pho­tore­cep­tor cells are dam­aged.

“The an­tenna and cir­cuits in­side the cam­era will the record the image of the out­side en­vi­ron­ment. Af­ter this,

the sig­nal from the glasses’s an­tenna will reach to the an­tenna of the chip in the retina,” Kaim said.

“The chip will be con­nected by a small cir­cuit to the an­tenna and it will re­ceive out­side images through the sig­nal from the cam­era,” he added. The sig­nals will fi­nally be pro­cessed by the chip and an image will be formed on the retina of the wearer.

“With the help of ar­ti­fi­cial in­tel­li­gence equip­ment, such peo­ple will get an im­pres­sion of ob­jects (in front of them). The en­tire func­tion will work through wire­less con­nec­tiv­ity,” Kaim told Mil­len­nium Post.

He said the fac­ulty at the SCIS plan on pro­vid­ing the en­tire ap­pa­ra­tus to vis­ually im­paired peo­ple at highly af­ford­able costs, com­pared to sim­i­lar de­vices avail­able in other parts of the world.

Kaim fur­ther said that the an­tenna will work through­out a per­son’s life. “We are work­ing on im­prov­ing the chip. The de­vice’s an­tenna is ca­pa­ble of run­ning through­out the per­son’s life,” he added.

PHD scholar Vikrant Kaim (left), with guid­ance from Dr Binod Ku­mar Kanau­jia, has de­vel­oped the ar­ti­fi­cial in­tel­li­gence de­vice

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