import matplotlib.pyplot as plt from PIL import Image import matplotlib.patches as patches # 加载图像 image_path = "demo_images/yidali2.jpg" # 替换为第二张图像的实际路径 output_path = "output_image_2.jpg" # 设置保存路径 image = Image.open(image_path) # 第二张图像的边界框和类别数据 data = [ {"bbox_2d": [668, 240, 799, 538], "label": "Person"}, {"bbox_2d": [531, 319, 703, 580], "label": "Person"}, {"bbox_2d": [207, 235, 348, 569], "label": "Person"}, {"bbox_2d": [623, 344, 691, 389], "label": "Violin"}, {"bbox_2d": [281, 195, 425, 560], "label": "cello"}, {"bbox_2d": [0, 302, 208, 492], "label": "bicycle"}, {"bbox_2d": [338, 316, 432, 449], "label": "bicycle"}, {"bbox_2d": [679, 270, 840, 384], "label": "guitar"} ] # 定义颜色(添加 guitar 的颜色) color_map = { "Person": "#ff5733", # 亮橙色 "Violin": "#33ff57", # 亮绿色 "cello": "#5733ff", # 亮蓝色 "bicycle": "#e3d820", # 黄色 "guitar": "#ff33a1" # 亮粉色(新增颜色) } # 创建绘图 fig, ax = plt.subplots(1, figsize=(12, 8)) ax.imshow(image) # 绘制边界框 instance_count = {} for item in data: bbox = item["bbox_2d"] label = item["label"] # 计算颜色(暂未调整深度) if label not in instance_count: instance_count[label] = 0 color = color_map[label] instance_count[label] += 1 # 绘制矩形 rect = patches.Rectangle( (bbox[0], bbox[1]), bbox[2] - bbox[0], bbox[3] - bbox[1], linewidth=4, edgecolor=color, facecolor="none" ) ax.add_patch(rect) # 添加标签 ax.text( bbox[0], bbox[1] - 10, label, color="white", fontsize=13, bbox=dict(facecolor=color, edgecolor="none", boxstyle="round,pad=0.2") ) # 隐藏坐标轴 ax.axis("off") # 保存结果 plt.savefig(output_path, bbox_inches="tight", pad_inches=0, dpi=300) plt.close() print(f"Image saved to {output_path}")