图片分类标注工具python

图片分类标注工具

1. 运行代码：将代码保存到 Python 文件中并运行。
2. 选择文件夹：运行时会弹出对话框，选择要分类的图片文件夹。
3. 标注分类：程序会逐张显示图片，你可以在下方输入框中
4. 输入类别标签，并点击“Next”按钮记录标签。
5. 查看上张：可以使用“Previous”按钮查看上一张图片。
6. 保存结果：关闭程序时会自动将所有标签保存到 labels.txt 文件中。

import os
import tkinter as tk
from tkinter import filedialog
from PIL import Image, ImageTk

class ImageLabeler:
    def __init__(self, root, image_folder):
        self.root = root
        self.root.title("Image Classifier")
        self.image_folder = image_folder
        self.image_files = [f for f in os.listdir(image_folder) if f.endswith(('.png', '.jpg', '.jpeg'))]
        self.current_image_index = 0
        self.labels = []
        self.photo = None  # 用于保持对图像的引用

        # 创建界面组件
        self.image_label = tk.Label(root)
        self.image_label.pack()

        self.label_entry = tk.Entry(root)
        self.label_entry.pack()

        self.next_button = tk.Button(root, text="Next", command=self.next_image)
        self.next_button.pack()

        self.prev_button = tk.Button(root, text="Previous", command=self.prev_image)
        self.prev_button.pack()

        # 展示第一张图片
        self.show_image()

    def show_image(self):
        if self.current_image_index < len(self.image_files):
            image_path = os.path.join(self.image_folder, self.image_files[self.current_image_index])
            print(f"Loading image: {image_path}")  # Debug info
            try:
                image = Image.open(image_path)
                image.thumbnail((400, 400))  # 缩放图片
                self.photo = ImageTk.PhotoImage(image)  # 保存对图像的引用
                self.image_label.config(image=self.photo)
                self.image_label.image = self.photo  # 绑定图像到 Label
            except Exception as e:
                print(f"Error loading image {image_path}: {e}")
                self.next_image()  # 尝试加载下一张图片
        else:
            self.root.quit()  # 如果没有更多图片则退出

    def next_image(self):
        label = self.label_entry.get()
        if label:
            self.labels.append((self.image_files[self.current_image_index], label))
            self.label_entry.delete(0, tk.END)
            self.current_image_index += 1
            self.show_image()
        else:
            print("Please enter a label.")

    def prev_image(self):
        if self.current_image_index > 0:
            self.current_image_index -= 1
            self.label_entry.delete(0, tk.END)
            self.show_image()

    def save_labels(self):
        with open("labels.txt", "w") as f:
            for filename, label in self.labels:
                f.write(f"{filename}: {label}\n")

if __name__ == "__main__":
    root = tk.Tk()
    image_folder = filedialog.askdirectory(title="Select Image Folder")
    if image_folder:
        app = ImageLabeler(root, image_folder)
        root.protocol("WM_DELETE_WINDOW", app.save_labels)  # 确保在关闭时保存标签
        root.mainloop()