深度图渲染效果提交修改
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@ -16,6 +16,7 @@ from typing import Optional, Dict, Any, Tuple
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import logging
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from collections import deque
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import gc
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from matplotlib.colors import LinearSegmentedColormap
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try:
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from .base_device import BaseDevice
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@ -115,6 +116,11 @@ class FemtoBoltManager(BaseDevice):
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self._grid_bg = None
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self._grid_size = (480, 640) # 默认尺寸
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# 自定义彩虹色 colormap(参考testfemtobolt.py)
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colors = ['fuchsia', 'red', 'yellow', 'lime', 'cyan', 'blue',
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'fuchsia', 'red', 'yellow', 'lime', 'cyan', 'blue']
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self.custom_cmap = LinearSegmentedColormap.from_list("custom_cmap", colors)
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self.logger.info("FemtoBolt管理器初始化完成")
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def _update_gamma_lut(self):
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@ -520,32 +526,23 @@ class FemtoBoltManager(BaseDevice):
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self._grid_bg = bg
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self._grid_size = (rows, cols)
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# 深度范围过滤 + 归一化
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depth_clipped = np.where(
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(depth_image >= self.depth_range_min) & (depth_image <= self.depth_range_max),
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depth_image, 0
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)
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if np.max(depth_clipped) > 0:
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depth_normalized = ((depth_clipped - self.depth_range_min) / (self.depth_range_max - self.depth_range_min) * 255).astype(np.uint8)
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else:
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depth_normalized = np.zeros((rows, cols), dtype=np.uint8)
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# 对比度与伽马
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depth_normalized = cv2.convertScaleAbs(depth_normalized, alpha=1.5, beta=0)
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if self._gamma_lut is None or self._current_gamma != self.gamma_value:
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self._update_gamma_lut()
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depth_gamma = cv2.LUT(depth_normalized, self._gamma_lut)
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# 伪彩色
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depth_colored = cv2.applyColorMap(depth_gamma, cv2.COLORMAP_JET)
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# 合成到背景(避免copy,使用背景副本)
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background = self._grid_bg.copy()
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mask_valid = (depth_clipped > 0)
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for c in range(3):
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channel = background[:, :, c]
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channel[mask_valid] = depth_colored[:, :, c][mask_valid]
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depth_colored_final = background
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# 生成深度掩码,仅保留指定范围内的像素
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mask_valid = (depth_image >= self.depth_range_min) & (depth_image <= self.depth_range_max)
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depth_clipped = np.clip(depth_image, self.depth_range_min, self.depth_range_max)
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normed = (depth_clipped.astype(np.float32) - self.depth_range_min) / (self.depth_range_max - self.depth_range_min)
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# 反转映射,保证颜色方向与之前一致
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normed = 1.0 - normed
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# 应用自定义 colormap,将深度值映射到 RGB
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rgba = self.custom_cmap(normed)
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rgb = (rgba[..., :3] * 255).astype(np.uint8)
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# 叠加:在背景上覆盖彩色深度图(掩码处不覆盖,保留灰色背景+网格)
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depth_colored_final = background.copy()
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depth_colored_final[mask_valid] = rgb[mask_valid]
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# 裁剪宽度
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height, width = depth_colored_final.shape[:2]
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@ -605,33 +602,53 @@ class FemtoBoltManager(BaseDevice):
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def _process_depth_image(self, depth_image) -> np.ndarray:
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"""
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处理深度图像
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处理深度图像(采用testfemtobolt.py的渲染方式)
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"""
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try:
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if not isinstance(depth_image, np.ndarray):
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self.logger.error(f"输入的深度图像不是numpy数组: {type(depth_image)}")
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return np.zeros((480, 640, 3), dtype=np.uint8)
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mask = (depth_image >= self.depth_range_min) & (depth_image <= self.depth_range_max)
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filtered_depth = np.where(mask, depth_image, 0)
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# 确保二维数据
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if depth_image.ndim == 3 and depth_image.shape[2] == 1:
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depth_image = depth_image[:, :, 0]
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if np.max(filtered_depth) > 0:
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normalized = ((filtered_depth - self.depth_range_min) / (self.depth_range_max - self.depth_range_min) * 255).astype(np.uint8)
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else:
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normalized = np.zeros_like(filtered_depth, dtype=np.uint8)
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h, w = depth_image.shape
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enhanced = cv2.convertScaleAbs(normalized, alpha=self.contrast_factor, beta=0)
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# 生成灰色背景和白色网格(参考testfemtobolt.py)
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background = np.full((h, w, 3), 128, dtype=np.uint8) # 灰色背景
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# 绘制网格线
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for x in range(0, w, 50): # 每50像素一条竖线
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cv2.line(background, (x, 0), (x, h-1), (255, 255, 255), 1)
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for y in range(0, h, 50): # 每50像素一条横线
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cv2.line(background, (0, y), (w-1, y), (255, 255, 255), 1)
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if self._gamma_lut is None or self._current_gamma != self.gamma_value:
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self._update_gamma_lut()
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gamma_corrected = cv2.LUT(enhanced, self._gamma_lut)
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# 生成深度掩码,仅保留指定范围内的像素
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mask_valid = (depth_image >= self.depth_range_min) & (depth_image <= self.depth_range_max)
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depth_clipped = np.clip(depth_image, self.depth_range_min, self.depth_range_max)
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normed = (depth_clipped.astype(np.float32) - self.depth_range_min) / (self.depth_range_max - self.depth_range_min)
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if self.use_pseudo_color:
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colored = cv2.applyColorMap(gamma_corrected, cv2.COLORMAP_JET)
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else:
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colored = cv2.cvtColor(gamma_corrected, cv2.COLOR_GRAY2BGR)
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# 反转映射,保证颜色方向与之前一致
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normed = 1.0 - normed
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# 应用自定义 colormap,将深度值映射到 RGB
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rgba = self.custom_cmap(normed)
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rgb = (rgba[..., :3] * 255).astype(np.uint8)
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# 叠加:在背景上覆盖彩色深度图(掩码处不覆盖,保留灰色背景+网格)
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final_img = background.copy()
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final_img[mask_valid] = rgb[mask_valid]
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# 裁剪宽度(保持原有功能)
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height, width = final_img.shape[:2]
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target_width = height // 2
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if width > target_width:
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left = (width - target_width) // 2
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right = left + target_width
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final_img = final_img[:, left:right]
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return final_img
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return colored
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except Exception as e:
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self.logger.error(f"处理深度图像失败: {e}")
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return np.zeros((480, 640, 3), dtype=np.uint8)
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@ -1,37 +1,35 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import os
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import time
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import numpy as np
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import matplotlib.pyplot as plt
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import cv2
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from matplotlib.colors import LinearSegmentedColormap
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class FemtoBoltViewer:
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def __init__(self, depth_min=900, depth_max=1300):
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self.depth_min = depth_min
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self.depth_max = depth_max
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# 自定义colormap
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# 自定义彩虹色 colormap
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colors = ['fuchsia', 'red', 'yellow', 'lime', 'cyan', 'blue',
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'fuchsia', 'red', 'yellow', 'lime', 'cyan', 'blue']
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self.cmap = LinearSegmentedColormap.from_list("custom_cmap", colors)
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# SDK设备句柄
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# SDK 设备句柄和配置
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self.device_handle = None
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self.pykinect = None
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self.config = None
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# 初始化matplotlib figure
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plt.ion()
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self.fig, self.ax = plt.subplots(figsize=(7, 7))
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# 缓存背景+网格图像(仅生成一次)
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self.background = None
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# OpenCV 窗口
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cv2.namedWindow("Depth CV")
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def _load_sdk(self):
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"""加载FemtoBolt SDK"""
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"""加载并初始化 FemtoBolt SDK"""
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try:
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import pykinect_azure as pykinect
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self.pykinect = pykinect
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# 配置DLL路径
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base_dir = os.path.dirname(os.path.abspath(__file__))
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dll_path = os.path.join(base_dir, "..", "dll", "femtobolt", "bin", "k4a.dll")
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self.pykinect.initialize_libraries(track_body=False, module_k4a_path=dll_path)
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@ -41,7 +39,7 @@ class FemtoBoltViewer:
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return False
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def _configure_device(self):
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"""配置FemtoBolt设备"""
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"""配置 FemtoBolt 深度相机"""
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self.config = self.pykinect.default_configuration
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self.config.depth_mode = self.pykinect.K4A_DEPTH_MODE_NFOV_UNBINNED
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self.config.camera_fps = self.pykinect.K4A_FRAMES_PER_SECOND_15
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@ -49,56 +47,70 @@ class FemtoBoltViewer:
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self.config.color_resolution = 0
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self.device_handle = self.pykinect.start_device(config=self.config)
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def _render_depth(self, depth_image: np.ndarray):
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"""使用matplotlib绘制深度图,带背景和自定义colormap"""
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# 过滤深度范围
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depth = np.where((depth_image >= self.depth_min) & (depth_image <= self.depth_max),
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depth_image, 0)
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def _get_color_image(self, depth_image):
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"""将原始深度图转换为叠加背景网格后的 RGB 彩色图像"""
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h, w = depth_image.shape
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# 第一次调用时生成灰色背景和白色网格
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if self.background is None:
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self.background = np.full((h, w, 3), 128, dtype=np.uint8) # 灰色 (0.5 -> 128)
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# 绘制网格线
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for x in range(w):
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cv2.line(self.background, (x, 0), (x, h-1), (255, 255, 255), 1)
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for y in range(h):
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cv2.line(self.background, (0, y), (w-1, y), (255, 255, 255), 1)
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# 屏蔽深度为0的部分
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depth = np.ma.masked_equal(depth, 0)
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# 生成深度掩码,仅保留指定范围内的像素
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mask_valid = (depth_image >= self.depth_min) & (depth_image <= self.depth_max)
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depth_clipped = np.clip(depth_image, self.depth_min, self.depth_max)
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normed = (depth_clipped.astype(np.float32) - self.depth_min) / (self.depth_max - self.depth_min)
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# 背景图(灰色)
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background = np.ones_like(depth) * 0.5
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# 反转映射,保证颜色方向与之前一致
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normed = 1.0 - normed
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self.ax.clear()
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# 绘制背景
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self.ax.imshow(background, origin='lower', cmap='gray', alpha=0.3)
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# 绘制白色栅格线
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self.ax.grid(True, which='both', axis='both', color='white', linestyle='-', linewidth=1, zorder=0)
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# 绘制深度等高线
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self.ax.contourf(depth, levels=200, cmap=self.cmap, vmin=self.depth_min, vmax=self.depth_max, origin='upper', zorder=2)
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plt.pause(0.001)
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plt.draw()
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# 应用自定义 colormap,将深度值映射到 RGB
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rgba = self.cmap(normed)
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rgb = (rgba[..., :3] * 255).astype(np.uint8)
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# 叠加:在背景上覆盖彩色深度图(掩码处不覆盖,保留灰色背景+网格)
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final_img = self.background.copy()
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final_img[mask_valid] = rgb[mask_valid]
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return final_img
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def run(self):
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if not self._load_sdk():
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print("SDK加载失败,退出")
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print("SDK 加载失败,程序退出")
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return
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self._configure_device()
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print("FemtoBolt深度相机启动成功,按 Ctrl+C 退出")
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print("FemtoBolt 深度相机启动成功,按 Ctrl+C 或 ESC 退出")
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try:
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while True:
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capture = self.device_handle.update()
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if capture is None:
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continue
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ret, depth_image = capture.get_depth_image()
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if not ret or depth_image is None:
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continue
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self._render_depth(depth_image)
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# 转换并渲染当前帧
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final_img = self._get_color_image(depth_image)
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# OpenCV 显示
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cv2.imshow("Depth CV", final_img)
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# 按 ESC 键退出
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if cv2.waitKey(1) & 0xFF == 27:
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break
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except KeyboardInterrupt:
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print("退出程序")
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print("检测到退出信号,结束程序")
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finally:
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if self.device_handle:
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self.device_handle.stop()
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self.device_handle.close()
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plt.close(self.fig)
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cv2.destroyAllWindows()
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if __name__ == "__main__":
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viewer = FemtoBoltViewer(depth_min=900, depth_max=1300)
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viewer = FemtoBoltViewer(depth_min=900, depth_max=1100)
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viewer.run()
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