1152 search results - page 62 / 231 » Improving noise |
CGF
2010
14 years 10 months ago
2010
The problem of noise in Monte-Carlo rendering arising from estimator variance is well-known and well-studied. In this work, we concentrate on identifying individual light paths as...
JEI
2000
14 years 9 months ago
2000
The usefulness of the hit-miss transform (HMT) and related transforms for pattern matching in document image applications is examined. Although the HMT is sensitive to the types o...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
While noise is usually regarded as a problem of the image formation process, we observe that it is also frequently part of natural texture. In this paper, we present a concept for...
PAMI
1998
14 years 9 months ago
1998
—A method is described for selecting the optimal focus measure with respect to gray-level noise from a given set of focus measures in passive autofocusing and depth-from-focus ap...
TIP
2002
14 years 9 months ago
2002
Abstract--We address the problem of computing a local orientation map in a digital image. We show that standard image gray level quantization causes a strong bias in the repartitio...