有办法将图片里的黑色区域分割成两个这样的矩形吗?

luliang971212 · 发表于 2025-5-12 10:47:23

有办法将图片里的黑色区域分割成两个这样的矩形吗?
微信截图_20250512103835.png

原图：

Mengnimei · 发表于 2025-5-12 15:13:25

read_image (Image104655hbh21ifj672ujujm, 'C:/Users/GT-LAPTOP-163/Desktop/104655hbh21ifj672ujujm.png')
threshold(Image104655hbh21ifj672ujujm, Region2, 0, 128)
opening_circle(Region2, RegionOpening3, 50)
shape_trans(RegionOpening3, RegionTrans6, 'outer_circle')
difference(Region2, RegionTrans6, RegionDifference3)
connection(RegionDifference3, ConnectedRegions7)
shape_trans(ConnectedRegions7, RegionTrans7, 'rectangle2')
orientation_region(RegionTrans7, Phi1)
select_shape (RegionTrans7, SelectedRegions2, 'orientation', 'and', 0, 5)
union1(SelectedRegions2, RegionUnion4)
shape_trans(RegionUnion4, RegionTrans8, 'convex')
intersection(RegionTrans8, Region2, RegionIntersection4)
difference(Region2,RegionIntersection4, RegionDifference4)
shape_trans(RegionDifference4, RegionTrans9, 'convex')
difference(Region2, RegionTrans9, RegionDifference5)
shape_trans(RegionDifference5, RegionTrans10, 'convex')
dev_clear_window()
dev_set_draw('margin')
dev_display(Image104655hbh21ifj672ujujm)
dev_set_color('red')
dev_display(RegionTrans9)
dev_set_color('green')
dev_display(RegionTrans10)
stop()

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lqr@ · 发表于 2025-5-13 08:45:50

这个不直接用模板匹配就行了嘛？

发表于 2025-5-13 10:45:37

参考一楼写的，可以借鉴写一写

* Image Acquisition 01: Code generated by Image Acquisition 01
read_image (Image, 'C:/Users/GeLio/Desktop/1.png')
threshold(Image, Region2, 0, 128)
erosion_circle (Region2, RegionErosion, 50)
dilation_circle (RegionErosion, RegionDilation, 65)
difference (Region2, RegionDilation, RegionDifference)
connection (RegionDifference, ConnectedRegions)
orientation_region (ConnectedRegions, Phi)
select_shape (ConnectedRegions, SelectedRegions1, 'phi', 'and', 0, 2)
union1 (SelectedRegions1, RegionUnion1)
select_shape (ConnectedRegions, SelectedRegions2, 'phi', 'and', -2, 0)
union1 (SelectedRegions2, RegionUnion2)
shape_trans (RegionUnion1, RegionTrans1, 'convex')
shape_trans (RegionUnion2, RegionTrans2, 'convex')
dev_set_color ('red')
boundary (RegionTrans1, RegionBorder1, 'inner')
boundary (RegionTrans2, RegionBorder2, 'inner')
dev_display (Image)
dev_display (RegionBorder1)
dev_set_color ('green')
dev_display (RegionBorder2)

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DoronXu · 发表于 2025-5-13 20:37:10

两个方向直接腐蚀？

lqr@ · 发表于 2025-5-13 20:38:55

read_image (Image, '1')
rgb1_to_gray (Image, GrayImage)
gen_region_line (ROI_0, 178.041, 242.57, 499.946, 699.455)
gen_region_line (TMP_Region, 498.885, 700.446, 423.022, 761.91)
union2 (ROI_0, TMP_Region, ROI_0)
gen_region_line (TMP_Region, 123.671, 298.879, 425.073, 763.959)
union2 (ROI_0, TMP_Region, ROI_0)
gen_region_line (TMP_Region, 172.88, 243.561, 117.52, 298.879)
union2 (ROI_0, TMP_Region, ROI_0)
area_center (ROI_0, Area, Row2, Column2)
reduce_domain (GrayImage, ROI_0, ImageReduced)
create_shape_model (ImageReduced, 5, rad(0), rad(360), 'auto', 'auto', 'use_polarity', 2, 1, ModelID)
gen_region_line (ROI_1, 400.457, 301.304, 105.938, 567.941)
gen_region_line (TMP_Region, 399.29, 302.141, 457.462, 337.676)
union2 (ROI_1, TMP_Region, ROI_1)
gen_region_line (TMP_Region, 457.473, 336.413, 142.643, 629.135)
union2 (ROI_1, TMP_Region, ROI_1)
gen_region_line (TMP_Region, 105.498, 560.663, 141.44, 628.318)
union2 (ROI_1, TMP_Region, ROI_1)
area_center (ROI_1, Area1, Row1, Column1)
reduce_domain (GrayImage, ROI_1, ImageReduced)
create_shape_model (ImageReduced, 5, rad(0), rad(360), 'auto', 'auto', 'use_polarity', 2, 1, ModelID1)
for Index := 0 to 360 by 1
rgb1_to_gray (Image, GrayImage)
rotate_image (GrayImage, GrayImage , Index, 'constant')
dev_set_color ('red')
find_shape_model (GrayImage, ModelID, rad(0), rad(360), 0.5, 1, 0.5, 'least_squares', 0, 0.9, Row, Column, Angle, Score)
vector_angle_to_rigid (Row2, Column2, 0, Row, Column, Angle, HomMat2D)
affine_trans_region (ROI_0, RegionAffineTrans, HomMat2D, 'nearest_neighbor')
dev_set_color ('green')
find_shape_model (GrayImage, ModelID1, rad(0), rad(360), 0.5, 1, 0.5, 'least_squares', 0, 0.9, Row, Column, Angle, Score)
vector_angle_to_rigid (Row1, Column1, 0, Row, Column, Angle, HomMat2D)
affine_trans_region (ROI_1, RegionAffineTrans1, HomMat2D, 'nearest_neighbor')
stop()
endfor

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CMHCYL · 发表于 2025-5-15 11:46:32

这个效果可以吗

张满满 · 发表于 2025-5-17 19:15:03

read_image (Image, 'image.png')
edges_color_sub_pix (Image, Edges, 'canny', 1, 20, 40)
segment_contours_xld (Edges, ContoursSplit, 'lines_circles', 5, 4, 2)
union_collinear_contours_ext_xld (ContoursSplit, UnionContours, 110, 1, 2, 0.1, 0, -1, 1, 1, 1, 1, 1, 0, 'attr_keep')
union_adjacent_contours_xld (UnionContours, UnionContours1, 10, 1, 'attr_keep')

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姜宗谷 · 发表于 2025-5-21 11:53:04

read_image (Image104655hbh21ifj672ujujm, 'C:/Users/Awei/Desktop/104655hbh21ifj672ujujm.png')
rgb1_to_gray(Image104655hbh21ifj672ujujm, GrayImage)
threshold(GrayImage, Region, 0, 100)
opening_circle(Region, RegionOpening, 50)
difference(Region, RegionOpening, RegionDifference)
connection(RegionDifference, ConnectedRegions)
*第一个
select_shape(ConnectedRegions, SelectedRegions, 'phi', 'and', -1, 0)
union1(SelectedRegions, RegionUnion)
shape_trans(RegionUnion, RegionTrans, 'convex')
boundary(RegionTrans, BounDerOne, 'inner')
*第二个
select_shape(ConnectedRegions, SelectedRegions, 'phi', 'and', 0,1)
union1(SelectedRegions, RegionUnion)
shape_trans(RegionUnion, RegionTrans, 'convex')
boundary(RegionTrans, BounDerTwo, 'inner')
*显示
dev_display(GrayImage)
dev_display(BounDerOne)
dev_display(BounDerTwo)

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