標題: MODEL-BASED 3D-MOTION ESTIMATION WITH ILLUMINATION COMPENSATION [打印本頁] 作者: masonchung 時間: 2007-2-9 01:44 PM 標題: MODEL-BASED 3D-MOTION ESTIMATION WITH ILLUMINATION COMPENSATION P. Eisert and B. Girod ' v! t, E: ?1 d0 p JUniversity of Erlangen-Nuremberg, Germany4 T; g% m" j7 M- ~. n5 f
+ K6 T. M& h, m: ^& ?6 T' B3 ~In this paper we present a model-based algorithm for 5 ^6 P6 Q* `1 n& q& ?- wthe estimation of three-dimensional motion parameters/ G$ v2 G* \+ a5 \) L
of an object moving in 3D-space. Photometric - x/ ?! J6 h0 V. Qeffects are taken into account by adding different illumination- x* n2 F& {5 a- X. ~' i3 b
models to the virtual scene. Using the additional4 B2 J0 M/ V2 F ?
information from three-dimensional geometric: w1 K; D- m- _# o
models of the scene leads to linear algorithms for 1 d, h; @3 I' K6 c) ]! p' [the parameter estimation of the illumination models- I) Q; K( ?' p: b5 g" G# L' B
which are all computationally efficient. Experiments 1 z- M5 ^, U. b8 A1 s# pshow that the Peak Signal Noise Ratio (PSNR) between ; @: [1 ]* ]3 a2 Wcamera and reconstructed synthetic images can1 D1 I: I6 O$ l) g9 L- J
be increased by up to 7 dB compared to global illumination + Y+ a _, x" q$ `1 E% ~) mcompensation. The average estimation error ! I1 D3 k4 V8 l1 g1 F# M/ dof the motion parameters is at the same time reduced3 c5 I( W1 j+ K& [ `( z+ C
by 40 %.# x* N" d3 ~; }8 N
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[ 本帖最後由 masonchung 於 2008-4-15 07:42 PM 編輯 ]作者: masonchung 時間: 2008-4-15 08:00 PM
Use 3D motion estimation in 3D monitor environment?
