IEEE Trans Image Process - Computational cameras: convergence of optics and processing.

Tópicos

{ motion(1329) object(1292) video(1091) }
{ imag(1947) propos(1133) code(1026) }
{ method(984) reconstruct(947) comput(926) }
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{ research(1085) discuss(1038) issu(1018) }
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{ inform(2794) health(2639) internet(1427) }
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{ problem(2511) optim(1539) algorithm(950) }
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{ research(1218) medic(880) student(794) }
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{ 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) }
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{ result(1111) use(1088) new(759) }
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{ decis(3086) make(1611) patient(1517) }
{ detect(2391) sensit(1101) algorithm(908) }

Resumo

A computational camera uses a combination of optics and processing to produce images that cannot be captured with traditional cameras. In the last decade, computational imaging has emerged as a vibrant field of research. A wide variety of computational cameras has been demonstrated to encode more useful visual information in the captured images, as compared with conventional cameras. In this paper, we survey computational cameras from two perspectives. First, we present a taxonomy of computational camera designs according to the coding approaches, including object side coding, pupil plane coding, sensor side coding, illumination coding, camera arrays and clusters, and unconventional imaging systems. Second, we use the abstract notion of light field representation as a general tool to describe computational camera designs, where each camera can be formulated as a projection of a high-dimensional light field to a 2-D image sensor. We show how individual optical devices transform light fields and use these transforms to illustrate how different computational camera designs (collections of optical devices) capture and encode useful visual information.

Resumo Limpo

comput camera use combin optic process produc imag captur tradit camera last decad comput imag emerg vibrant field research wide varieti comput camera demonstr encod use visual inform captur imag compar convent camera paper survey comput camera two perspect first present taxonomi comput camera design accord code approach includ object side code pupil plane code sensor side code illumin code camera array cluster unconvent imag system second use abstract notion light field represent general tool describ comput camera design camera can formul project highdimension light field d imag sensor show individu optic devic transform light field use transform illustr differ comput camera design collect optic devic captur encod use visual inform

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