用分裂四元数实现更贴近人眼感知的白平衡校正
Split-quaternions for perceptual white balance
- 基于类量子色彩感知模型，构建分裂四元数代数结构映射
- 相比经典von Kries方法，提升色彩适应准确性与感知一致性
- 适合图像处理中需精准色彩还原的场景
我们提出一种基于分裂四元数的感知色适应变换方法，用于白平衡校正。该工作受近期发展起来的类量子色彩感知模型启发，强调该模型中的代数结构与分裂四元数某一子代数之间的关联。通过合理运用分裂四元数乘法，实现了有效的色适应变换，并在定量对比中验证了其优于广泛使用的von Kries方法的性能表现，展现出在色彩图像处理中的应用潜力。
原文摘要 · Abstract (English)
We propose a perceptual chromatic adaptation transform for white balance that makes use of split-quaternions. The novelty of the present work, which is motivated by a recently developed quantum-like model of color perception, consists at stressing the link between the algebraic structures appearing in this model and a certain sub-algebra of the split-quaternions. We show the potentiality of this approach for color image processing applications by proposing a chromatic adaptation transform, implemented via an appropriate use of the split-quaternion multiplication. Moreover, quantitative comparisons with the widely used state-of-the art von Kries chromatic adaptation transform are provided.
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