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429 lines
15 KiB
429 lines
15 KiB
import tkinter as tk
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from tkinter import filedialog, messagebox
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from tkinter import Toplevel
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from PIL import Image, ImageTk
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import numpy as np
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import cv2
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import os
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img_path = "" # 全局变量，用于存储图像路径
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src = None # 全局变量，用于存储已选择的图像
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X = None # 用于存储第一张图像
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Y = None # 用于存储第二张图像
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img_label = None # 全局变量，用于存储显示选择的图片的标签
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edge = None
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GraylineWin = None
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GraylogWin = None
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EqualWin = None
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RegulWin = None
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def select_image(root):
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global img_path, src, img_label, edge
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img_path = filedialog.askopenfilename(filetypes=[("Image files", "*.jpg;*.png;*.jpeg;*.bmp")])
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if img_path:
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# 确保路径中的反斜杠正确处理，并使用 UTF-8 编码处理中文路径
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img_path_fixed = os.path.normpath(img_path)
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# 图像输入
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src_temp = cv2.imdecode(np.fromfile(img_path_fixed, dtype=np.uint8), cv2.IMREAD_UNCHANGED)
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if src_temp is None:
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messagebox.showerror("错误", "无法读取图片，请选择有效的图片路径")
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return
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src = cv2.cvtColor(src_temp, cv2.COLOR_BGR2RGB)
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# 检查 img_label 是否存在且有效
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if img_label is None or not img_label.winfo_exists():
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img_label = tk.Label(root)
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img_label.pack(side=tk.TOP, pady=10)
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img = Image.open(img_path)
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img.thumbnail((160, 160))
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img_tk = ImageTk.PhotoImage(img)
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img_label.configure(image=img_tk)
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img_label.image = img_tk
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# 定义 edge 变量为 PIL.Image 对象，以便稍后保存
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edge = Image.fromarray(src)
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else:
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messagebox.showerror("错误", "没有选择图片路径")
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def show_selected_image(root):
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global img_label
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img_label = tk.Label(root)
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img_label.pack(side=tk.TOP, pady=10)
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img = Image.open(img_path)
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img.thumbnail((160, 160))
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img_tk = ImageTk.PhotoImage(img)
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img_label.configure(image=img_tk)
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img_label.image = img_tk
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def changeSize(event, img, LabelPic):
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img_aspect = img.shape[1] / img.shape[0]
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new_aspect = event.width / event.height
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if new_aspect > img_aspect:
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new_width = int(event.height * img_aspect)
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new_height = event.height
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else:
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new_width = event.width
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new_height = int(event.width / img_aspect)
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resized_image = cv2.resize(img, (new_width, new_height))
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image1 = ImageTk.PhotoImage(Image.fromarray(resized_image))
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LabelPic.image = image1
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LabelPic['image'] = image1
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def savefile():
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global edge
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filename = filedialog.asksaveasfilename(defaultextension=".jpg", filetypes=[("JPEG files", "*.jpg"), ("PNG files", "*.png"), ("BMP files", "*.bmp")])
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if not filename:
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return
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# 确保 edge 变量已定义
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if edge is not None:
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try:
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edge.save(filename)
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messagebox.showinfo("保存成功", "图片保存成功！")
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except Exception as e:
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messagebox.showerror("保存失败", f"无法保存图片: {e}")
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else:
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messagebox.showerror("保存失败", "没有图像可保存")
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# 线性变换
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def line_tra(root):
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global src, GraylineWin, edge
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# 判断是否已经选取图片
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if src is None:
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messagebox.showerror("错误", "没有选择图片！")
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return
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gray_src = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
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a = 20
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b = 241
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c = 0
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d = 255
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result = (d - c) / (b - a) * gray_src + (b * c - a * d) / (b - a)
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# 更新 edge 变量
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edge = Image.fromarray(result)
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# 创建 Toplevel 窗口
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try:
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GraylineWin.destroy()
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except Exception:
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print("NVM")
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finally:
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GraylineWin = Toplevel()
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GraylineWin.attributes('-topmost', True)
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GraylineWin.geometry("360x300")
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GraylineWin.resizable(True, True) # 可缩放
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GraylineWin.title("线性变换结果")
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# 显示图像
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LabelPic = tk.Label(GraylineWin, text="IMG", width=360, height=240)
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image = ImageTk.PhotoImage(Image.fromarray(result))
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LabelPic.image = image
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LabelPic['image'] = image
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LabelPic.bind('<Configure>', lambda event: changeSize(event, result, LabelPic))
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LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
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# 添加保存按钮
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btn_save = tk.Button(GraylineWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
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btn_save.pack(pady=10)
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return
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# 对数变换
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def log_tra(root):
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global src, GraylogWin, edge
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# 判断是否已经选取图片
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if src is None:
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messagebox.showerror("错误", "没有选择图片！")
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return
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gray_src = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
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C = 255 / np.log(1 + 255)
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result = np.array(C * np.log(1 + gray_src), np.float64)
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# 更新 edge 变量
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edge = Image.fromarray(result)
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# 创建 Toplevel 窗口
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try:
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GraylogWin.destroy()
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except Exception:
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print("NVM")
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finally:
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GraylogWin = Toplevel()
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GraylogWin.attributes('-topmost', True)
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GraylogWin.geometry("360x300")
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GraylogWin.resizable(True, True) # 可缩放
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GraylogWin.title("对数变换结果")
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# 显示图像
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LabelPic = tk.Label(GraylogWin, text="IMG", width=360, height=240)
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image = ImageTk.PhotoImage(Image.fromarray(result))
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LabelPic.image = image
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LabelPic['image'] = image
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LabelPic.bind('<Configure>', lambda event: changeSize(event, result, LabelPic))
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LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
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# 添加保存按钮
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btn_save = tk.Button(GraylogWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
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btn_save.pack(pady=10)
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return
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# 直方图均衡化
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def equal(root):
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global src, EqualWin, edge
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# 判断是否已经选取图片
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if src is None:
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messagebox.showerror("错误", "没有选择图片！")
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return
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# 转变图像为灰度图
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gray_src = cv2.cvtColor(src, cv2.COLOR_BGR2GRAY)
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# 保存原始图像尺寸
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original_size = gray_src.shape
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# 图像放缩到 256 x 256
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gray_src_resized = cv2.resize(gray_src, (256, 256))
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# 图像的直方图
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hist = cv2.calcHist([gray_src_resized], [0], None, [256], [0, 256])
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# 灰度图均衡化
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equ_resized = cv2.equalizeHist(gray_src_resized)
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# 恢复均衡化后的图像到原始尺寸
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equ = cv2.resize(equ_resized, (original_size[1], original_size[0]))
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# 更新 edge 变量
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edge = Image.fromarray(equ)
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# 创建 Toplevel 窗口
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try:
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EqualWin.destroy()
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except Exception as e:
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print("NVM")
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finally:
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EqualWin = Toplevel()
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EqualWin.attributes('-topmost', True)
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EqualWin.geometry("360x300")
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EqualWin.resizable(True, True) # 可缩放
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EqualWin.title("直方图均衡化结果")
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# 显示图像
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LabelPic = tk.Label(EqualWin, text="IMG", width=720, height=480)
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image = ImageTk.PhotoImage(Image.fromarray(equ))
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LabelPic.image = image
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LabelPic['image'] = image
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LabelPic.bind('<Configure>', lambda event: changeSize(event, equ, LabelPic))
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LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
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# 添加保存按钮
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btn_save = tk.Button(EqualWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
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btn_save.pack(pady=10)
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return
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# 直方图正规化
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def regul(root):
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global src, X, Y, RegulWin, img_label_ori, img_label_dst,edge
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def select_ori_image():
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global X, img_label_ori, src
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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img_path = filedialog.askopenfilename(filetypes=[("Image files", "*.jpg;*.png;*.jpeg")], parent=RegulWin)
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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if img_path:
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img_path_fixed = os.path.normpath(img_path)
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src_temp = cv2.imdecode(np.fromfile(img_path_fixed, dtype=np.uint8), cv2.IMREAD_UNCHANGED)
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if src_temp is None:
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messagebox.showerror("错误", "无法读取图片，请选择有效的图片路径")
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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src = cv2.cvtColor(src_temp, cv2.COLOR_BGR2GRAY)
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img = Image.open(img_path)
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img.thumbnail((100, 100))
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img_tk = ImageTk.PhotoImage(img)
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img_label_ori.configure(image=img_tk)
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img_label_ori.image = img_tk
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else:
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messagebox.showerror("错误", "没有选择图片路径")
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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X = src.copy()
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def select_dst_image():
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global Y, img_label_dst, src
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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img_path = filedialog.askopenfilename(filetypes=[("Image files", "*.jpg;*.png;*.jpeg")], parent=RegulWin)
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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if img_path:
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img_path_fixed = os.path.normpath(img_path)
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src_temp = cv2.imdecode(np.fromfile(img_path_fixed, dtype=np.uint8), cv2.IMREAD_UNCHANGED)
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if src_temp is None:
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messagebox.showerror("错误", "无法读取图片，请选择有效的图片路径")
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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src = cv2.cvtColor(src_temp, cv2.COLOR_BGR2GRAY)
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img = Image.open(img_path)
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img.thumbnail((100, 100))
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img_tk = ImageTk.PhotoImage(img)
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img_label_dst.configure(image=img_tk)
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img_label_dst.image = img_tk
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else:
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messagebox.showerror("错误", "没有选择图片路径")
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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Y = src.copy()
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def perform_operation():
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global jmin
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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if X is None or Y is None:
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messagebox.showerror("错误", "请选择两张图片")
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RegulWin.attributes('-topmost', True) # 设置窗口为最上层
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RegulWin.attributes('-topmost', False) # 恢复窗口最上层属性
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return
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# 调整Y图像的尺寸和通道数与X一致
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Y_resized = cv2.resize(Y, (X.shape[1], X.shape[0]))
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if len(X.shape) != len(Y_resized.shape):
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if len(X.shape) == 2:
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Y_resized = cv2.cvtColor(Y_resized, cv2.COLOR_BGR2GRAY)
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else:
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Y_resized = cv2.cvtColor(Y_resized, cv2.COLOR_GRAY2BGR)
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mHist1 = []
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mNum1 = []
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inhist1 = []
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mHist2 = []
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mNum2 = []
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inhist2 = []
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# 对原图像进行均衡化
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for i in range(256):
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mHist1.append(0)
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# 获取原图像像素点的宽度和高度
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row, col = X.shape
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for i in range(row):
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for j in range(col):
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mHist1[X[i, j]] = mHist1[X[i, j]] + 1 # 统计灰度值的个数
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mNum1.append(mHist1[0] / X.size)
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for i in range(0, 255):
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mNum1.append(mNum1[i] + mHist1[i + 1] / X.size)
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for i in range(256):
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inhist1.append(round(255 * mNum1[i]))
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# 对目标图像进行均衡化
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for i in range(256):
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mHist2.append(0)
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# 获取目标图像像素点的宽度和高度
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rows, cols = Y.shape
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for i in range(rows):
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for j in range(cols):
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mHist2[Y[i, j]] = mHist2[Y[i, j]] + 1
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mNum2.append(mHist2[0] / Y.size)
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for i in range(0, 255):
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mNum2.append(mNum2[i] + mHist2[i + 1] / Y.size)
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for i in range(256):
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inhist2.append(round(255 * mNum2[i]))
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# 进行规定化
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# 用于放入规定化后的图片像素
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g = []
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for i in range(256):
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a = inhist1[i]
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flag = True
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for j in range(256):
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if inhist2[j] == a:
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g.append(j)
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flag = False
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break
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if flag == True:
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minp = 255
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for j in range(256):
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b = abs(inhist2[j] - a)
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if b < minp:
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minp = b
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jmin = j
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g.append(jmin)
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for i in range(row):
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for j in range(col):
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X[i, j] = g[X[i, j]]
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show_result(X)
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def show_result(result_image):
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global RegulWin, edge # 更新全局变量 edge
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edge = Image.fromarray(result_image)
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try:
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RegulWin.destroy()
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except Exception as e:
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print("NVM")
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finally:
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RegulWin = Toplevel()
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RegulWin.attributes('-topmost', True)
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RegulWin.geometry("360x300")
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RegulWin.resizable(True, True)
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RegulWin.title("直方图正规化结果")
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LabelPic = tk.Label(RegulWin, text="IMG", width=720, height=240)
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image = ImageTk.PhotoImage(Image.fromarray(result_image))
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LabelPic.image = image
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LabelPic['image'] = image
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LabelPic.bind('<Configure>', lambda event: changeSize(event, result_image, LabelPic))
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LabelPic.pack(fill=tk.BOTH, expand=tk.YES)
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# 添加保存按钮
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btn_save = tk.Button(RegulWin, text="保存", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=savefile)
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btn_save.pack(pady=10)
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try:
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RegulWin.destroy()
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except Exception as e:
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print("NVM")
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finally:
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RegulWin = Toplevel()
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RegulWin.attributes('-topmost', True)
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RegulWin.geometry("720x480")
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RegulWin.resizable(True, True)
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RegulWin.title("选择图片")
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# 添加两个标签来显示选择的图片
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img_label_ori = tk.Label(RegulWin)
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img_label_ori.pack(pady=10)
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img_label_dst = tk.Label(RegulWin)
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img_label_dst.pack(pady=10)
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btn_select_first = tk.Button(RegulWin, text="选择原图片", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=select_ori_image)
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btn_select_first.pack(pady=10)
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btn_select_second = tk.Button(RegulWin, text="选择目标图片", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=select_dst_image)
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btn_select_second.pack(pady=10)
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btn_add = tk.Button(RegulWin, text="正规化", bg='#add8e6', fg='black', font=('Helvetica', 14), width=20, command=lambda: perform_operation())
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btn_add.pack(pady=10)
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return |