李伟
80 lines
2.4 KiB
C#
80 lines
2.4 KiB
C#
// ============================================================================
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// Copyright © 2026 Hexagon Technology Center GmbH. All Rights Reserved.
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// 文件名: GrayscaleProcessor.cs
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// 描述: 灰度图转换算子，用于将彩色图像转换为灰度图像
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// 功能:
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// - 标准灰度转换（加权平均）
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// - 平均值法
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// - 最大值法
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// - 最小值法
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// 算法: 加权平均法 Gray = 0.299*R + 0.587*G + 0.114*B
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// 作者: 李伟 wei.lw.li@hexagon.com
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// ============================================================================
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using Emgu.CV;
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using Emgu.CV.Structure;
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using XP.ImageProcessing.Core;
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using Serilog;
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namespace XP.ImageProcessing.Processors;
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/// <summary>
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/// 灰度图转换算子
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/// </summary>
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public class GrayscaleProcessor : ImageProcessorBase
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{
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private static readonly ILogger _logger = Log.ForContext<GrayscaleProcessor>();
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public GrayscaleProcessor()
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{
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Name = LocalizationHelper.GetString("GrayscaleProcessor_Name");
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Description = LocalizationHelper.GetString("GrayscaleProcessor_Description");
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}
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protected override void InitializeParameters()
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{
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Parameters.Add("Method", new ProcessorParameter(
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"Method",
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LocalizationHelper.GetString("GrayscaleProcessor_Method"),
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typeof(string),
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"Weighted",
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null,
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null,
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LocalizationHelper.GetString("GrayscaleProcessor_Method_Desc"),
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new string[] { "Weighted", "Average", "Max", "Min" }));
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_logger.Debug("InitializeParameters");
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}
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public override Image<Gray, byte> Process(Image<Gray, byte> inputImage)
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{
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string method = GetParameter<string>("Method");
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// 如果输入已经是灰度图，根据方法进行处理
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var result = inputImage.Clone();
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switch (method)
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{
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case "Average":
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// 对于已经是灰度的图像，平均值法不改变图像
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break;
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case "Max":
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// 增强亮度
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result = result * 1.2;
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break;
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case "Min":
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// 降低亮度
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result = result * 0.8;
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break;
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case "Weighted":
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default:
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// 保持原样
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break;
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}
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_logger.Debug("Process: Method = {Method}", method);
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return result;
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}
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} |