update example and coomputation dependency error handling
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@@ -27,9 +27,9 @@ class Stitcher:
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self.nominal_ov_pos=config_stitcher["nominal_ov_pos"]
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self.margin=config_stitcher["margin"]
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self.bound=self.nominal_ov_pos - self.margin
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# for sensor 1
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self.pos_default = config_stitcher["pos_default"]
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if self.verbose:
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print(f"Stitcher initialized with config: {self.config_stitcher}")
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def stitch_rt_optimized(self, change_sv=False, s_mean=28., v_mean=180.):
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tile_list = self.tile_list
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@@ -11,19 +11,24 @@
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"stitcher": {
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"min_area_frac": 0.018,
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"max_area_frac": 0.035,
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"max_aspect_ratio": 20,
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"max_aspect_ratio": 100,
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"index": [1,2,3,6,7,8,11,12,13],
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"pos_default": [[260, 56], [577, 62], [897, 69], [1214, 75], [1530, 81], [256, 391], [570, 397], [889, 403], [1208, 409], [1523, 416], [248, 724], [563, 730], [882, 738], [1201, 743], [1516, 751]],
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"margin": 10,
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"nominal_ov_pos": 100,
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"n": [3,3]
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},
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"tracker": {
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"adaptive": true,
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"lower_threshold": 12.0,
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"upper_threshold": 18.0,
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"loop_closure_interval": 1,
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"dis_preset": "medium"
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},
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"contact": {
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"min_contour_area": 3000,
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"flow_threshold":1,
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"div_threshold":0.02,
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"expansion_threshold": 0.01,
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"downsample_factor": 1,
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"kernel_size": [5,5],
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"denoise_sigma": 15
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}
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@@ -19,7 +19,7 @@
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"min_contour_area": 3000,
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"min_magnitude": 1.0,
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"expansion_threshold": 0.01,
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"downsample_factor": 1,
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"contact_ds_factor": 10,
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"kernel_size": [5,5],
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"denoise_sigma": 15
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}
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@@ -19,7 +19,7 @@ class Contact3D:
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self.config_contact = config_contact
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self.flow_threshold = config_contact["flow_threshold"]
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self.expansion_threshold = config_contact["expansion_threshold"]
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self.downsample_factor = config_contact["downsample_factor"]
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self.downsample_factor = 1
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self.kernel_size = config_contact["kernel_size"]
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self.denoise_sigma = config_contact["denoise_sigma"]
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self.min_contour_area = config_contact["min_contour_area"]
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@@ -75,7 +75,6 @@ class Contact3D:
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return result
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def compute_foe(self, flow_field, return_all_contours=False):
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# def compute_foe(self, flow_field, min_magnitude=1.0, expansion_threshold=1, downsample_factor=1, return_all_contours=False, kernel_size=(5,5), denoise_sigma=10):
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"""
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计算光流场的扩张焦点(Focus of Expansion)。
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+27
-13
@@ -53,16 +53,16 @@ class Sensor:
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# Initialization
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# =========================================================================
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def __init__(self, vid_src, isstitch=False, verbose=True, cuda=True,
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config_name="prototype", cal_path=None, override=False, box=None,mirror=True):
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def __init__(self, vid_src, cuda=True, isstitch=True, verbose=True,
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config_name="prototype", cal_path=None, override=False, box=None, mirror=True):
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"""
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Initialize Sensor with video source and configuration.
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Args:
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vid_src: Video source (int for camera ID, str for file path)
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cuda: Enable CUDA acceleration (default: True)
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isstitch: Enable stitching mode for multi-tile sensor (default: False)
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verbose: Print initialization logs (default: True)
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cuda: Enable CUDA acceleration (default: True)
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config_name: Configuration name (default: "prototype")
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cal_path: Path to calibration file (default: None)
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override: Skip auto-detection, use provided box (default: False)
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@@ -89,9 +89,9 @@ class Sensor:
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# State variables
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self.stitch_valid = False
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self.imgupdate = False
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self.vupdate = False
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self.stitch_calibration = []
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self.compute_deformation_valid = False
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self.compute_contact_valid = False
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# Data Variables
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self.__img = None
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@@ -193,7 +193,6 @@ class Sensor:
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self.__img_filtered = alpha * img + (1 - alpha) * self.__img_filtered
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self.__img = self.__img_filtered.astype(np.uint8)
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self.__imgupdate = True
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if log_timing:
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timings['total'] = (time.perf_counter() - t_start) * 1000
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@@ -210,6 +209,8 @@ class Sensor:
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Returns:
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np.ndarray: Optical flow field
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"""
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if self.__img is None:
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raise Exception("Warning: Get image first")
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if log_timing:
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timings = {}
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t_start = time.perf_counter()
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@@ -245,9 +246,7 @@ class Sensor:
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# Update state
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self.__flow = flow
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self.imgupdate = False
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self.vupdate = True
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self.compute_deformation_valid = True
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# FPS calculation
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self._fps = 1.0 / (time.perf_counter() - self.last_log_time)
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self.last_log_time = time.perf_counter()
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@@ -258,8 +257,13 @@ class Sensor:
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return True
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def compute_contact(self, multiple_foe=False, min_contour_area=3000, min_magnitude=1.0, expansion_threshold=0.01, downsample_factor=1, kernel_size=(5,5), denoise_sigma=15):
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def compute_contact(self):
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multiple_foe=False
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if not self.compute_deformation_valid:
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raise Exception("Warning: Compute deformation first")
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if multiple_foe:
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result = self.__contact3d.compute_multiple_foe(self.__vnormal)
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else:
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@@ -274,6 +278,7 @@ class Sensor:
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self.__contour = result['contour']
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self.__depth_map = result['divergence_map']
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self.compute_contact_valid = True
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return True
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@@ -307,9 +312,18 @@ class Sensor:
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Returns:
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Tuple: Requested data in order
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"""
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if not self.vupdate:
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print("Warning: Call compute_deformation() first.")
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if any(arg in [self.info.IMG] for arg in args):
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if self.__img is None:
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raise Exception("Warning: Get image first")
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if any(arg in [self.info.VRAW, self.info.VNORMAL, self.info.VSHEAR, self.info.FNORMAL, self.info.FSHEARX, self.info.FSHEARY] for arg in args):
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if not self.compute_deformation_valid:
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raise Exception("Warning: Compute deformation first")
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if any(arg in [self.info.CENTROID, self.info.CONTOUR, self.info.DEPTH] for arg in args):
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if not self.compute_contact_valid:
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raise Exception("Warning: Compute contact first")
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mapping = {
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# Return copies of arrays to prevent external modification of internal state
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self.info.VRAW: lambda: self.__flow.copy() if self.__flow is not None else np.array([]),
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@@ -75,62 +75,6 @@ def draw_arrows(image, optical_flow,fps=True, threshold=5, grid_spacing=40, arro
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cv2.arrowedLine(image, (x_axis[i], y_axis[i]), (end_x[i], end_y[i]), color, thickness=thickness, tipLength=0.3)
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return image
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def draw_magnitude_map(image, flow_field, threshold=3.0, colormap=cv2.COLORMAP_JET,downsample_factor=10):
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"""
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Draw color map of pointwise magnitude of velocity field.
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Args:
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info_type: Type of flow field to visualize (VRAW, VNORMAL, VSHEAR, or None for total)
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threshold: Minimum magnitude to display (below threshold shows as zero/blue)
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colormap: OpenCV colormap to use (default: COLORMAP_JET)
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Returns:
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np.ndarray: 400x400 BGR image with colored magnitude map
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"""
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# Compute magnitude at each point
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magnitude = np.sqrt(flow_field[:, :, 0]**2 + flow_field[:, :, 1]**2)
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# Smooth by downsampling and interpolating back
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h, w = magnitude.shape
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magnitude_downsampled = magnitude[::downsample_factor, ::downsample_factor]
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magnitude_smoothed = cv2.resize(magnitude_downsampled, (w, h), interpolation=cv2.INTER_CUBIC)
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# Apply threshold - set below-threshold values to zero
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magnitude_thresholded = magnitude_smoothed.copy()
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magnitude_thresholded[magnitude_smoothed < threshold] = 0
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# Normalize to 0-255 range
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mag_min, mag_max = magnitude_thresholded.min(), magnitude_thresholded.max()
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if mag_max > mag_min:
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magnitude_norm = ((magnitude_thresholded - mag_min) / (mag_max - mag_min) * 255).astype(np.uint8)
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else:
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magnitude_norm = np.zeros_like(magnitude_thresholded, dtype=np.uint8)
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# Apply colormap
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magnitude_colored = cv2.applyColorMap(magnitude_norm, colormap)
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return magnitude_colored
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def draw_fps(image, fps):
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"""
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Draw FPS counter on the top left corner of the image.
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"""
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font_scale=0.5
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thickness=2
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color=(0, 255, 0)
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image = image.copy()
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# Draw FPS text
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fps_text = f"FPS: {fps:.1f}"
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position = (10, 30) # Top left corner with margin
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font = cv2.FONT_HERSHEY_SIMPLEX
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# Draw FPS text
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cv2.putText(image, fps_text, position, font, font_scale, color, thickness, cv2.LINE_AA)
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return image
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def draw_contact(image, contour, centroid, point_color=(0, 255, 0), region_color=(0, 255, 255)):
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"""
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@@ -159,60 +103,3 @@ def draw_contact(image, contour, centroid, point_color=(0, 255, 0), region_color
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cv2.circle(image, (cx, cy), 10, point_color, 2)
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return image
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def draw_multiple_foe(image, foe_result, point_color=(0, 255, 0),
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region_color=(0, 255, 255), label_colors=None):
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"""
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在图像上绘制多个扩张焦点和扩张区域。
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Args:
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image: 背景图像
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foe_result: compute_multiple_foe 函数的返回结果
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point_color: 默认焦点点的颜色 (BGR)
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region_color: 扩张区域轮廓的颜色 (BGR)
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label_colors: 可选的颜色列表,用于不同焦点的标签颜色
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Returns:
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np.ndarray: 绘制了多个焦点和区域的图像
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"""
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image = image.copy()
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# 默认标签颜色(彩虹色系)
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if label_colors is None:
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label_colors = [
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(255, 0, 0), # 蓝色
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(0, 255, 0), # 绿色
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(0, 0, 255), # 红色
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(255, 255, 0), # 青色
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(255, 0, 255), # 洋红色
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(0, 255, 255), # 黄色
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(255, 128, 0), # 橙色
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(128, 0, 255) # 紫色
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]
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# 绘制扩张区域轮廓
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if 'expansion_regions' in foe_result and foe_result['expansion_regions']:
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cv2.drawContours(image, foe_result['expansion_regions'], -1, region_color, 2)
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# 绘制焦点点并添加标签
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if 'foe_points' in foe_result:
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for i, (cx, cy) in enumerate(foe_result['foe_points']):
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# 选择颜色(循环使用颜色列表)
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color = label_colors[i % len(label_colors)]
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# 绘制焦点点
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cv2.circle(image, (cx, cy), 8, color, -1)
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cv2.circle(image, (cx, cy), 10, color, 2)
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# 添加标签
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label = f"FOE{i+1}"
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cv2.putText(image, label, (cx + 15, cy),
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cv2.FONT_HERSHEY_SIMPLEX, 0.6, color, 2)
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# 显示检测到的焦点数量
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foe_count = len(foe_result.get('foe_points', []))
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cv2.putText(image, f"FOE Count: {foe_count}", (10, 60),
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cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2)
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return image
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