The colour palette is intended to be either purely complementary, rich in contrast, or to define a colour gradient.
调色的目的或者是纯粹的互补，形成丰富的对比，或者是定义一个颜色的梯度。
This step is optional, but I created a layer and have applied a linear gradient from top to bottom to increase the contrast at the bottom of the PIC.
这一步是可选的，但我还是建了一层来应用一个从上到下的渐变来增强图像底部的对比度。
A novel method based on gradient strength and local entropy for fusion detection of weak small targets with low contrast is presented in this paper.
提出了一种基于局部梯度强度和局部熵的红外小目标融合检测的方法。
The use of GP model for detecting features has significant advantages over gradient-based feature detection methods which are sensitive to variations in image contrast.
通过理论分析和大量实验，验证了新模型可以可靠地进行低层特征检测，能够服务于不同的视觉信息处理应用。
The use of GP model for detecting features has significant advantages over gradient-based feature detection methods which are sensitive to variations in image contrast.
通过理论分析和大量实验，验证了新模型可以可靠地进行低层特征检测，能够服务于不同的视觉信息处理应用。
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