Message expertly SPEAKINGA patient contacted her doctor’soffice with some questions abouta new prescription...- Page 7TEQUILA AND TYPINGWhat we needed was to place the viewer (ultimately the judgeand the jury) inside the vehicle sothey could see...- Page 11MAKING REALITYVIRTUAL
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As the rap id growt h o f t ec hnolo gy conti nu es, came ra s are cov er ingmore publ ic ar ea s eve ry da y, in clu di ng on ou r roa dw ays . Espec ially indens el y p opula te d a rea s, a signifi ca nt portion of t he roadw ay ne tw orkis continu ously captu re d by a came ra use d for su rv eilla nc e, roa dwa ymoni to rin g, ve hi cle detect io n, or so me co mb inati on of thes e fun ct ionsand othe rs . In the wor ld of colli si on recons tr uctio n, the imm edi at ethou gh t wh en one se es a ca mera a t a l oc ation becom es , “D id thatcame ra ca pt ure t he in ci dent? A nd if s o, ca n I g et the fo ota ge ?”The ans wers dep end on the type of camer a in ques ti on. A P TZ (Pa n-Tilt -Z oom ) CCTV cam er a mounted to a hig h meta l pole along a fre ewaycan ca pture a wide area , bu t it ma y not be pan ne d/t il ted/z oo med to theinci de nt loca ti on at the tim e of t he i nci de nt. A fixed -posi ti on came ra ,such as a v eh icl e de te ction cam er a mo unted to a t ra ffi c sign al m as tarm at an int ersec ti on, wil l alw ays sho w the same loc ation but th elimi te d fiel d o f visi on ma y not c ap ture t he su bje ct in cid en t.Furt he rmo re , bot h of th es e c am eras ar e u nd er th e con tr ol an d opera ti onof gov er nment age ncies tha t often mai ntain a lar ge networ k of cam era son lim ited bu dgets . As such , th e his to rical footag e st ore d fo r eac h ofthes e d evice s w ill be li mi ted an d w il l depe nd on the devi ce type andwhic h ag ency oper at es the devi ce . If you wan t to get footag e fr omthes e c ame ra s, you wi ll n ee d to re qu est th e data qu ick ly . Even th en, itmigh t not b e ava il abl e.This pain ts a pictu re th at is very diff er ent from the on es se en ontele vi sio n, in wh ic h forens ic in vesti ga tor s qui ck ly acces s t ra ffic cam er afoot ag e fro m mo nth s ea rlier . Even if o ne coul d ma gic al ly ac ce ss thevide o hist or y like Chu ck fro m Desi gn ate d Surviv or, ther e is noguar an tee the foo tage from t he d ate of the incid en t wi ll be t he re.Howe ve r, th e wo rld is fu ll of a muc h more re li abl e so urce of histor ic alvide o fo ot age – surv ei lla nc e ca me ras . With high- qu ali ty sur ve ill an cecame ra s ava ilabl e for a reas on able co st, an inc re asing number ofbusi ne sse s a nd r es ide nc es u ti lize t hem. T he h is toric al vid eo foo ta geavai la ble for the se dev ic es is oft en cloud -b ased and availab le for amuch l ong er dura ti on.So, eve n i f obt ai nin g f oo tage of a c ollis ion f rom a traff ic ca mera may bediff ic ult , espe ci all y if the incid en t happ ene d mo nt hs ear lie r, oth ersour ce s o f v id eo fo ota ge ma y e xi st. F or ex amp le , g as st ation s oft enmoni to r a sign ifi ca nt percen ta ge of their prope rty with surv ei llanc ecame ra s. Beca us e gas sta ti ons are by th ei r natur e lo cated atinte rs ect io ns o r alon g busy hi ghw ay s, t he se c am era s will al so c aptur ethes e loc ati on s. Once the foot age from th es e camera s i s o bt ained , theDJS te am ca n per fo rm an i n-d ep th vi de o a na lysis b ase d on th e foo ta ge.
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