t1 = time.time() # Note that compactness is defined differently because a grid is not used. Lower compactness for maskSLIC is equivalent segments = seg.slic(img, compactness=10, seed_type='nplace', mask=roi, n_segments=120, recompute_seeds=True, plot_examples=True, enforce_connectivity=True) print("Time: {:.2f} s".format(time.time() - t1)) plt.figure() plt.imshow(mark_boundaries(img, segments)) plt.contour(roi, contours=1, colors='red', linewidths=0.5) plt.axis('off') plt.savefig(r'I:\18Breakageratecalculation\mask-slic use\maskSLIC-master\result\split\result3\maskslic.png') 怎么保存每一块超像素图像
时间: 2024-03-17 21:43:46 浏览: 15
可以使用以下代码将每个超像素图像保存到磁盘上:
```
for segment_id in np.unique(segments):
mask = segments == segment_id
masked_image = img.copy()
masked_image[~mask] = 0
cv2.imwrite('segment_{}.png'.format(segment_id), masked_image)
```
这将循环遍历所有的超像素 ID,将每个超像素的掩模应用于原始图像并将其保存到磁盘上。您可以修改保存的文件名和路径以适合您的需求。
相关问题
t1 = time.time() # Note that compactness is defined differently because a grid is not used. Lower compactness for maskSLIC is equivalent segments = seg.slic(img, compactness=10, seed_type='nplace', mask=roi, n_segments=120, recompute_seeds=True, plot_examples=True, enforce_connectivity=True) print("Time: {:.2f} s".format(time.time() - t1)) plt.figure() plt.imshow(mark_boundaries(img, segments)) plt.contour(roi, contours=1, colors='red', linewidths=0.5) plt.axis('off') plt.savefig(r'I:\18Breakageratecalculation\mask-slic use\maskSLIC-master\result\split\result3\maskslic.png') 怎么保存每一块超像素图像 完整代码
完整代码如下:
```
import cv2
import numpy as np
import matplotlib.pyplot as plt
from skimage.segmentation import mark_boundaries
import time
# Load image
img = cv2.imread('image.jpg')
# Create binary mask
h, w = img.shape[:2]
roi = np.zeros((h, w), dtype=np.uint8)
cv2.rectangle(roi, (100, 100), (w-100, h-100), 255, -1)
# Apply maskSLIC
t1 = time.time()
segments = seg.slic(img, compactness=10, seed_type='nplace', mask=roi, n_segments=120, recompute_seeds=True, plot_examples=True, enforce_connectivity=True)
print("Time: {:.2f} s".format(time.time() - t1))
# Save each segment as an individual file
for segment_id in np.unique(segments):
mask = segments == segment_id
masked_image = img.copy()
masked_image[~mask] = 0
cv2.imwrite('segment_{}.png'.format(segment_id), masked_image)
# Show result
plt.figure()
plt.imshow(mark_boundaries(img, segments))
plt.contour(roi, contours=1, colors='red', linewidths=0.5)
plt.axis('off')
plt.savefig(r'I:\18Breakageratecalculation\mask-slic use\maskSLIC-master\result\split\result3\maskslic.png')
```
请注意,此代码使用了一些未定义的变量,例如 `seg`。在使用此代码之前,请确保已经正确导入和定义了这些变量。
img = imread(r'I:\\18Breakageratecalculation\\mask-slic use\\maskSLIC-master\\1\\056.jpg') # The ROI is also stored as an image for viewing convenience # But the roi input input maskSLIC should be a binary image with the same spatial # Dimensions as the image (in this case 300x451) roi = imread(r'I:\\18Breakageratecalculation\\mask-slic use\\maskSLIC-master\\1\\0562.png') # The alpha channel is used to store the ROI in this case and is converted into a logical array of 0s and 1s roi = roi[:, :, 3] > 0 # Alternatively a mask could be created manually with for example a disk: # roi = np.zeros((img.shape[0], img.shape[1])) # a, b = 150, 150 # r = 100 # y,x = np.ogrid[-a:img.shape[0]-a, -b:img.shape[1]-b] # mask = x*x + y*y <= r*r # roi[mask] = 1 # ~~~~~~~~~~~~ Example 1: maskSLIC ~~~~~~~~~~~~~ t1 = time.time() # Note that compactness is defined differently because a grid is not used. Lower compactness for maskSLIC is equivalent segments = seg.slic(img, compactness=10, seed_type='nplace', mask=roi, n_segments=120, recompute_seeds=True, plot_examples=True, enforce_connectivity=True) print("Time: {:.2f} s".format(time.time() - t1)) plt.figure() plt.imshow(mark_boundaries(img, segments)) plt.contour(roi, contours=1, colors='red', linewidths=0.5) plt.axis('off') # ~~~~~~~~~~~ Example 2: SLIC ~~~~~~~~~~~~~~~~~ t1 = time.time() segments = seg.slic(img, compactness=10, seed_type='grid', n_segments=100, plot_examples=False, enforce_connectivity=True) # segments[roi==0] = -1 print("Time: {:.2f} s".format(time.time() - t1)) plt.figure() plt.imshow(mark_boundaries(img, segments)) plt.contour(roi, contours=1, colors='red', linewidths=1) plt.axis('off') plt.show() plt.show()怎么保存结果
如果想要保存分割结果,可以使用matplotlib库中的imsave函数来保存图像。
例如,可以在代码中添加以下语句来保存Example 1中的分割结果:
```
plt.imshow(mark_boundaries(img, segments))
plt.contour(roi, contours=1, colors='red', linewidths=0.5)
plt.axis('off')
plt.savefig('example1.png') # 保存图片
plt.show()
```
这样就会在当前路径下生成一个名为example1.png的图片文件,其中包含分割结果和ROI边界。需要保存Example 2的分割结果时,也可以类似地添加保存语句。
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