In the second phase, techniques to improve the image quality are analyzed, and they are image transformation, frequency enhancement, color image, image recovery, and so on.
第二阶段主要涉及改善图像质量的一些图像处理技术，包括基本的图像变换、频域增强、彩色处理和图像恢复技术等。
According to the disadvantage of color distortion of color histogram equalization algorithm, a new image enhancement algorithm based on dark channel prior is presented.
针对彩色直方图均衡化算法颜色易失真的缺点，提出了一种基于暗原色先验的快速图像增强算法。
The paper presented a simple and fast color fusion method for night vision based on image enhancement and color transfer.
提出了一种基于图像增强和颜色迁移理论的彩色夜视融合方法。
The subjective and objective evaluation show that this MSR algorithm is better than the traditional MSR method in details and color fidelity in fog image enhancement.
通过主观观测和客观评价表明：在对雾天图像进行增强时，MSR改进算法比传统的MSR算法在细节增强和颜色保真方面具有更好的效果。
Fundus image preprocessing system consists of Color image processing, image geometric transformation and the image histogram equalization, the image smooth and sharpen enhancement function.
眼底图像的预处理系统包括：彩色图像的处理、图像的几何变换以及图像的直方图均衡、图像的平滑化及锐化处理等增强功能。
Fundus image preprocessing system consists of Color image processing, image geometric transformation and the image histogram equalization, the image smooth and sharpen enhancement function.
眼底图像的预处理系统包括：彩色图像的处理、图像的几何变换以及图像的直方图均衡、图像的平滑化及锐化处理等增强功能。
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