IEEE Trans Image Process - Distributed successive refinement of multiview images using broadcast advantage.

Tópicos

{ imag(1947) propos(1133) code(1026) }
{ motion(1329) object(1292) video(1091) }
{ imag(2830) propos(1344) filter(1198) }
{ ehr(2073) health(1662) electron(1139) }
{ model(3404) distribut(989) bayesian(671) }
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{ bind(1733) structur(1185) ligand(1036) }
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{ patient(2837) hospit(1953) medic(668) }
{ model(2656) set(1616) predict(1553) }
{ data(2317) use(1299) case(1017) }
{ age(1611) year(1155) adult(843) }
{ medic(1828) order(1363) alert(1069) }
{ signal(2180) analysi(812) frequenc(800) }
{ group(2977) signific(1463) compar(1072) }
{ sampl(1606) size(1419) use(1276) }
{ gene(2352) biolog(1181) express(1162) }
{ first(2504) two(1366) second(1323) }
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{ drug(1928) target(777) effect(648) }
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{ survey(1388) particip(1329) question(1065) }
{ decis(3086) make(1611) patient(1517) }
{ activ(1452) weight(1219) physic(1104) }
{ method(1969) cluster(1462) data(1082) }
{ method(2212) result(1239) propos(1039) }
{ detect(2391) sensit(1101) algorithm(908) }

Resumo

In environmental monitoring applications, having multiple cameras focus on common scenery increases robustness of the system. To save energy based on user demand, successive refinement image coding is important, as it allows us to progressively request better image quality. By exploiting the broadcast nature and correlation between multiview images, we investigate a two-camera setup and propose a novel two-encoder successive refinement scheme which imitates a ping-pong game. For the bivariate Gaussian case, we prove that this scheme is successively refinable on the theoretical rate-distortion limit of distributed coding (Wagner surface) under arbitrary settings. For stereo-view images, we develop a practical successive refinement coding algorithm using the same idea. The simulation results show that this scheme operates close to the distributed coding bound.

Resumo Limpo

environment monitor applic multipl camera focus common sceneri increas robust system save energi base user demand success refin imag code import allow us progress request better imag qualiti exploit broadcast natur correl multiview imag investig twocamera setup propos novel twoencod success refin scheme imit pingpong game bivari gaussian case prove scheme success refin theoret ratedistort limit distribut code wagner surfac arbitrari set stereoview imag develop practic success refin code algorithm use idea simul result show scheme oper close distribut code bound

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