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python convert image into graph ,turn image to graph

Amused Alligator answered on February 2, 2024 Popularity 1/10 Helpfulness 1/10

answer python convert image into graph ,turn image to graph

python convert image into graph ,turn image to graph

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#convert image into graph 
#nodes present pixels and the edges between them is just the Neighbors of the pixel
import cv2
import networkx as nx
import matplotlib.pyplot as plt

# Load the image
image = cv2.imread('your_image.jpg', cv2.IMREAD_GRAYSCALE)

# Create a graph
graph = nx.Graph()

# Iterate through each pixel
height, width = image.shape
for i in range(height):
    for j in range(width):
        # Add node for each pixel
        graph.add_node((i, j))

        # Define neighbors (considering 8-connectivity)
        neighbors = [(i-1, j-1), (i-1, j), (i-1, j+1),
                     (i, j-1),               (i, j+1),
                     (i+1, j-1), (i+1, j), (i+1, j+1)]

        # Add edges between the node and its neighbors
        for neighbor in neighbors:
            if 0 <= neighbor[0] < height and 0 <= neighbor[1] < width:
                graph.add_edge((i, j), neighbor)

# Visualize the graph
pos = {node: node for node in graph.nodes()}  # Use pixel coordinates as positions
nx.draw(graph, pos, with_labels=False, node_size=1)
plt.show()

Popularity 1/10 Helpfulness 1/10 Language python

Source: Grepper

Tags: graph image python

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Contributed on Feb 02 2024

Amused Alligator

0 Answers Avg Quality 2/10

python convert image into graph ,turn image to graph

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