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Remove unused arguments in Ultralytics heatmaps (#16667)

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Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Muhammad Rizwan Munawar 2024-10-04 02:32:55 +05:00 • committed by GitHub
parent 7325e0bca3
commit fceaa40038
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2 changed files with 2 additions and 21 deletions
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9
docs/en/guides/heatmaps.md
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@ -34,11 +34,6 @@ A heatmap generated with [Ultralytics YOLO11](https://github.com/ultralytics/ult
| ![Ultralytics YOLO11 Transportation Heatmap](https://github.com/ultralytics/docs/releases/download/0/ultralytics-yolov8-transportation-heatmap.avif) | ![Ultralytics YOLO11 Retail Heatmap](https://github.com/ultralytics/docs/releases/download/0/ultralytics-yolov8-retail-heatmap.avif) |
| Ultralytics YOLO11 Transportation Heatmap | Ultralytics YOLO11 Retail Heatmap |
!!! tip "Heatmap Configuration"
- `heatmap_alpha`: Ensure this value is within the range (0.0 - 1.0).
- `decay_factor`: Used for removing heatmap after an object is no longer in the frame, its value should also be in the range (0.0 - 1.0).
!!! example "Heatmaps using Ultralytics YOLO11 Example"
=== "Heatmap"
@ -274,10 +269,7 @@ A heatmap generated with [Ultralytics YOLO11](https://github.com/ultralytics/ult
| Name | Type | Default | Description |
| ------------------ | ---------------- | ------------------ | ----------------------------------------------------------------- |
| `names` | `list` | `None` | Dictionary of class names. |
| `imw` | `int` | `0` | Image width. |
| `imh` | `int` | `0` | Image height. |
| `colormap` | `int` | `cv2.COLORMAP_JET` | Colormap to use for the heatmap. |
| `heatmap_alpha` | `float` | `0.5` | Alpha blending value for heatmap overlay. |
| `view_img` | `bool` | `False` | Whether to display the image with the heatmap overlay. |
| `view_in_counts` | `bool` | `True` | Whether to display the count of objects entering the region. |
| `view_out_counts` | `bool` | `True` | Whether to display the count of objects exiting the region. |
@ -288,7 +280,6 @@ A heatmap generated with [Ultralytics YOLO11](https://github.com/ultralytics/ult
| `region_thickness` | `int` | `5` | Thickness of the region line. |
| `line_dist_thresh` | `int` | `15` | Distance threshold for line-based counting. |
| `line_thickness` | `int` | `2` | Thickness of the lines used in drawing. |
| `decay_factor` | `float` | `0.99` | Decay factor for the heatmap to reduce intensity over time. |
| `shape` | `str` | `"circle"` | Shape of the heatmap blobs ('circle' or 'rect'). |
### Arguments `model.track`

14
ultralytics/solutions/heatmap.py
View file

@ -19,10 +19,7 @@ class Heatmap:
def __init__(
self,
names,
imw=0,
imh=0,
colormap=cv2.COLORMAP_JET,
heatmap_alpha=0.5,
view_img=False,
view_in_counts=True,
view_out_counts=True,
@ -33,7 +30,6 @@ class Heatmap:
region_thickness=5,
line_dist_thresh=15,
line_thickness=2,
decay_factor=0.99,
shape="circle",
):
"""Initializes the heatmap class with default values for Visual, Image, track, count and heatmap parameters."""
@ -46,8 +42,6 @@ class Heatmap:
self.names = names # Classes names
# Image information
self.imw = imw
self.imh = imh
self.im0 = None
self.tf = line_thickness
self.view_in_counts = view_in_counts
@ -56,7 +50,6 @@ class Heatmap:
# Heatmap colormap and heatmap np array
self.colormap = colormap
self.heatmap = None
self.heatmap_alpha = heatmap_alpha
# Predict/track information
self.boxes = []
@ -79,9 +72,6 @@ class Heatmap:
self.count_bg_color = count_bg_color
self.cls_txtdisplay_gap = 50
# Decay factor
self.decay_factor = decay_factor
# Check if environment supports imshow
self.env_check = check_imshow(warn=True)
@ -133,7 +123,7 @@ class Heatmap:
self.heatmap = np.zeros((int(self.im0.shape[0]), int(self.im0.shape[1])), dtype=np.float32)
self.initialized = True
self.heatmap *= self.decay_factor # decay factor
self.heatmap *= 0.99 # decay factor
self.extract_results(tracks)
self.annotator = Annotator(self.im0, self.tf, None)
@ -239,7 +229,7 @@ class Heatmap:
# Normalize, apply colormap to heatmap and combine with original image
heatmap_normalized = cv2.normalize(self.heatmap, None, 0, 255, cv2.NORM_MINMAX)
heatmap_colored = cv2.applyColorMap(heatmap_normalized.astype(np.uint8), self.colormap)
self.im0 = cv2.addWeighted(self.im0, 1 - self.heatmap_alpha, heatmap_colored, self.heatmap_alpha, 0)
self.im0 = cv2.addWeighted(self.im0, 0.5, heatmap_colored, 0.5, 0)
if self.env_check and self.view_img:
self.display_frames()