Assessment of the Wiener-Retinex process

Rachel Alter-Gartenberg; Scott R. Nolf; Richard E. Davis

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Assessment of the Wiener-Retinex process

机译：评估Wiener-Retinex流程

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We assess the performance of the Retinex transformation, the Wiener restoration, and the combined Wiener-Retinex process in the context of the end-to-end model of color visual-communication channels for near-surface acquisition. We extend the formulations of panchromatic imaging for the nonlinear Retinex transformation and the linear Wiener and Wiener-Retinex restoration filters to color imaging. We further assess the accuracy by which colors are restored in the cases of uniform and spatially varying irradiance levels, and the shadow depth for which color consistency is still possible with reasonable accuracy. Finally, we assess the sensitivity of these processes to perturbations in the visual channel, including the image-gathering design and the spatial support of the Retinex transformation.

机译：我们在彩色视觉通信通道的近端采集端到端模型的背景下，评估了Retinex转换，Wiener恢复以及Wiener-Retinex组合过程的性能。我们将全色成像的公式扩展到非线性Retinex变换，并将线性Wiener和Wiener-Retinex恢复滤镜扩展到彩色成像。我们进一步评估了在均匀且空间变化的辐照度水平下颜色恢复的准确性，以及仍然可以以合理的准确性实现颜色一致性的阴影深度。最后，我们评估了这些过程对视觉通道扰动的敏感性，包括图像采集设计和Retinex变换的空间支持。

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《Applied optics》 |2002年第23期|共23页
作者
Rachel Alter-Gartenberg; Scott R. Nolf; Richard E. Davis;
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中图分类光学;
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Assessment of the Wiener-Retinex process

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