[PYTHON/SKIMAGE] 해리스 코너 검출기 사용하기

■ 해리스 코너 검출기를 사용하는 방법을 보여준다.

▶ 예제 코드 (PY)


import matplotlib
import matplotlib.pyplot as pp
import skimage.color as color
import skimage.data as data
import skimage.feature as feature
import skimage.io as io

matplotlib.use("TkAgg")

io.use_plugin("matplotlib")

imageNDArray = io.imread("source.png")

grayscaleImageNDArray = color.rgb2gray(imageNDArray)

cornerNDArray = feature.corner_harris(grayscaleImageNDArray)

coordNDArray = feature.corner_peaks(cornerNDArray, min_distance = 5)

coordSubpixNDArray = feature.corner_subpix(grayscaleImageNDArray, coordNDArray, window_size = 13)

figure, axesSubplot = pp.subplots()

axesSubplot.imshow(grayscaleImageNDArray, interpolation = "nearest", cmap = pp.cm.gray)

axesSubplot.plot(coordNDArray[:, 1], coordNDArray[:, 0], ".b", markersize = 3)
axesSubplot.plot(coordSubpixNDArray[:, 1], coordSubpixNDArray[:, 0], "+r", markersize = 15)

pp.show()

import matplotlib

import matplotlib.pyplot as pp

import skimage.color as color

import skimage.data as data

import skimage.feature as feature

import skimage.io as io

matplotlib.use("TkAgg")

io.use_plugin("matplotlib")

imageNDArray = io.imread("source.png")

grayscaleImageNDArray = color.rgb2gray(imageNDArray)

cornerNDArray = feature.corner_harris(grayscaleImageNDArray)

coordNDArray = feature.corner_peaks(cornerNDArray, min_distance = 5)

coordSubpixNDArray = feature.corner_subpix(grayscaleImageNDArray, coordNDArray, window_size = 13)

figure, axesSubplot = pp.subplots()

axesSubplot.imshow(grayscaleImageNDArray, interpolation = "nearest", cmap = pp.cm.gray)

axesSubplot.plot(coordNDArray[:, 1], coordNDArray[:, 0], ".b", markersize = 3)

axesSubplot.plot(coordSubpixNDArray[:, 1], coordSubpixNDArray[:, 0], "+r", markersize = 15)

pp.show()