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ruby-opencv/test/test_opencv.rb

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#!/usr/bin/env ruby
# -*- mode: ruby; coding: utf-8-unix -*-
require 'test/unit'
require 'opencv'
require File.expand_path(File.dirname(__FILE__)) + '/helper'
include OpenCV
class TestOpenCV < OpenCVTestCase
def test_constants
# OpenCV version
assert_equal('2.4.3', CV_VERSION)
assert_equal(2, CV_MAJOR_VERSION)
assert_equal(4, CV_MINOR_VERSION)
assert_equal(3, CV_SUBMINOR_VERSION)
# Depths
assert_equal(0, CV_8U)
assert_equal(1, CV_8S)
assert_equal(2, CV_16U)
assert_equal(3, CV_16S)
assert_equal(4, CV_32S)
assert_equal(5, CV_32F)
assert_equal(6, CV_64F)
# Load image flags
assert_equal(-1, CV_LOAD_IMAGE_UNCHANGED)
assert_equal(0, CV_LOAD_IMAGE_GRAYSCALE)
assert_equal(1, CV_LOAD_IMAGE_COLOR)
assert_equal(2, CV_LOAD_IMAGE_ANYDEPTH)
assert_equal(4, CV_LOAD_IMAGE_ANYCOLOR)
# Structuring element shapes
assert_equal(0, CV_SHAPE_RECT)
assert_equal(1, CV_SHAPE_CROSS)
assert_equal(2, CV_SHAPE_ELLIPSE)
assert_equal(100, CV_SHAPE_CUSTOM)
# Types of morphological operations
assert_equal(2, CV_MOP_OPEN)
assert_equal(3, CV_MOP_CLOSE)
assert_equal(4, CV_MOP_GRADIENT)
assert_equal(5, CV_MOP_TOPHAT)
assert_equal(6, CV_MOP_BLACKHAT)
# Types of the smoothing
assert_equal(0, CV_BLUR_NO_SCALE)
assert_equal(1, CV_BLUR)
assert_equal(2, CV_GAUSSIAN)
assert_equal(3, CV_MEDIAN)
assert_equal(4, CV_BILATERAL)
# Border types
assert_equal(0, IPL_BORDER_CONSTANT)
assert_equal(1, IPL_BORDER_REPLICATE)
# Thresholding types
assert_equal(0, CV_THRESH_BINARY)
assert_equal(1, CV_THRESH_BINARY_INV)
assert_equal(2, CV_THRESH_TRUNC)
assert_equal(3, CV_THRESH_TOZERO)
assert_equal(4, CV_THRESH_TOZERO_INV)
assert_equal(8, CV_THRESH_OTSU)
# Adaptive methods
assert_equal(0, CV_ADAPTIVE_THRESH_MEAN_C)
assert_equal(1, CV_ADAPTIVE_THRESH_GAUSSIAN_C)
# Retrieval mode
assert_equal(0, CV_RETR_EXTERNAL)
assert_equal(1, CV_RETR_LIST)
assert_equal(2, CV_RETR_CCOMP)
assert_equal(3, CV_RETR_TREE)
# Approximation method
assert_equal(0, CV_CHAIN_CODE)
assert_equal(1, CV_CHAIN_APPROX_NONE)
assert_equal(2, CV_CHAIN_APPROX_SIMPLE)
assert_equal(3, CV_CHAIN_APPROX_TC89_L1)
assert_equal(4, CV_CHAIN_APPROX_TC89_KCOS)
assert_equal(5, CV_LINK_RUNS)
# Termination criteria for iterative algorithms
assert_equal(1, CV_TERMCRIT_ITER)
assert_equal(1, CV_TERMCRIT_NUMBER)
assert_equal(2, CV_TERMCRIT_EPS)
# Hough transform methods
assert_equal(0, CV_HOUGH_STANDARD)
assert_equal(1, CV_HOUGH_PROBABILISTIC)
assert_equal(2, CV_HOUGH_MULTI_SCALE)
assert_equal(3, CV_HOUGH_GRADIENT)
# Inpaint method
assert_equal(0, CV_INPAINT_NS)
assert_equal(1, CV_INPAINT_TELEA)
# Match tempalte method
assert_equal(0, CV_TM_SQDIFF)
assert_equal(1, CV_TM_SQDIFF_NORMED)
assert_equal(2, CV_TM_CCORR)
assert_equal(3, CV_TM_CCORR_NORMED)
assert_equal(4, CV_TM_CCOEFF)
assert_equal(5, CV_TM_CCOEFF_NORMED)
# Comparison method
assert_equal(1, CV_CONTOURS_MATCH_I1)
assert_equal(2, CV_CONTOURS_MATCH_I2)
assert_equal(3, CV_CONTOURS_MATCH_I3)
# Fundamental matrix computing methods
assert_equal(1, CV_FM_7POINT)
assert_equal(2, CV_FM_8POINT)
assert_equal(8, CV_FM_RANSAC)
assert_equal(4, CV_FM_LMEDS)
# Flags of window
assert_equal(1, CV_WINDOW_AUTOSIZE)
# Object detection mode
assert_equal(1, CV_HAAR_DO_CANNY_PRUNING)
# Interpolation methods
assert_equal(0, CV_INTER_NN)
assert_equal(1, CV_INTER_LINEAR)
assert_equal(2, CV_INTER_CUBIC)
assert_equal(3, CV_INTER_AREA)
# Warp affine optional flags
assert_equal(8, CV_WARP_FILL_OUTLIERS)
assert_equal(16, CV_WARP_INVERSE_MAP)
# SVD operation flags
assert_equal(1, CV_SVD_MODIFY_A)
assert_equal(2, CV_SVD_U_T)
assert_equal(4, CV_SVD_V_T)
# Histogram representation format
assert_equal(0, CV_HIST_ARRAY)
assert_equal(1, CV_HIST_SPARSE)
assert_equal(1, CV_HIST_TREE)
assert_equal(1, CV_HIST_UNIFORM)
# Histogram comparison method
assert_equal(0, CV_COMP_CORREL)
assert_equal(1, CV_COMP_CHISQR)
assert_equal(2, CV_COMP_INTERSECT)
assert_equal(3, CV_COMP_BHATTACHARYYA)
end
def test_symbols
# Depths
assert_equal(0, DEPTH[:cv8u])
assert_equal(1, DEPTH[:cv8s])
assert_equal(2, DEPTH[:cv16u])
assert_equal(3, DEPTH[:cv16s])
assert_equal(4, DEPTH[:cv32s])
assert_equal(5, DEPTH[:cv32f])
assert_equal(6, DEPTH[:cv64f])
# Inversion methods
assert_equal(0, INVERSION_METHOD[:lu])
assert_equal(1, INVERSION_METHOD[:svd])
assert_equal(2, INVERSION_METHOD[:svd_sym])
assert_equal(2, INVERSION_METHOD[:svd_symmetric])
# Homography calculation methods
assert_equal(0, HOMOGRAPHY_CALC_METHOD[:all])
assert_equal(4, HOMOGRAPHY_CALC_METHOD[:lmeds])
assert_equal(8, HOMOGRAPHY_CALC_METHOD[:ransac])
# Anti aliasing flags
assert_equal(16, CONNECTIVITY[:aa])
assert_equal(16, CONNECTIVITY[:anti_alias])
# Retrieval modes
assert_equal(0, RETRIEVAL_MODE[:external])
assert_equal(1, RETRIEVAL_MODE[:list])
assert_equal(2, RETRIEVAL_MODE[:ccomp])
assert_equal(3, RETRIEVAL_MODE[:tree])
# Approximation methods
assert_equal(0, APPROX_CHAIN_METHOD[:code])
assert_equal(1, APPROX_CHAIN_METHOD[:approx_none])
assert_equal(2, APPROX_CHAIN_METHOD[:approx_simple])
assert_equal(3, APPROX_CHAIN_METHOD[:approx_tc89_l1])
assert_equal(4, APPROX_CHAIN_METHOD[:approx_tc89_kcos])
# Approximation methods (polygon)
assert_equal(0, APPROX_POLY_METHOD[:dp])
# Match template methods
assert_equal(0, MATCH_TEMPLATE_METHOD[:sqdiff])
assert_equal(1, MATCH_TEMPLATE_METHOD[:sqdiff_normed])
assert_equal(2, MATCH_TEMPLATE_METHOD[:ccorr])
assert_equal(3, MATCH_TEMPLATE_METHOD[:ccorr_normed])
assert_equal(4, MATCH_TEMPLATE_METHOD[:ccoeff])
assert_equal(5, MATCH_TEMPLATE_METHOD[:ccoeff_normed])
# Structuring element shapes
assert_equal(0, STRUCTURING_ELEMENT_SHAPE[:rect])
assert_equal(1, STRUCTURING_ELEMENT_SHAPE[:cross])
assert_equal(2, STRUCTURING_ELEMENT_SHAPE[:ellipse])
assert_equal(100, STRUCTURING_ELEMENT_SHAPE[:custom])
# Types of morphological operations
assert_equal(2, MORPHOLOGICAL_OPERATION[:open])
assert_equal(3, MORPHOLOGICAL_OPERATION[:close])
assert_equal(4, MORPHOLOGICAL_OPERATION[:gradient])
assert_equal(5, MORPHOLOGICAL_OPERATION[:tophat])
assert_equal(6, MORPHOLOGICAL_OPERATION[:blackhat])
# Types of the smoothing
assert_equal(0, SMOOTHING_TYPE[:blur_no_scale])
assert_equal(1, SMOOTHING_TYPE[:blur])
assert_equal(2, SMOOTHING_TYPE[:gaussian])
assert_equal(3, SMOOTHING_TYPE[:median])
assert_equal(4, SMOOTHING_TYPE[:bilateral])
# Thresholding types
assert_equal(0, THRESHOLD_TYPE[:binary])
assert_equal(1, THRESHOLD_TYPE[:binary_inv])
assert_equal(2, THRESHOLD_TYPE[:trunc])
assert_equal(3, THRESHOLD_TYPE[:tozero])
assert_equal(4, THRESHOLD_TYPE[:tozero_inv])
assert_equal(8, THRESHOLD_TYPE[:otsu])
# Hough transform methods
assert_equal(0, HOUGH_TRANSFORM_METHOD[:standard])
assert_equal(1, HOUGH_TRANSFORM_METHOD[:probabilistic])
assert_equal(2, HOUGH_TRANSFORM_METHOD[:multi_scale])
assert_equal(3, HOUGH_TRANSFORM_METHOD[:gradient])
# Inpaint method
assert_equal(0, INPAINT_METHOD[:ns])
assert_equal(1, INPAINT_METHOD[:telea])
# Comparison method
assert_equal(1, COMPARISON_METHOD[:i1])
assert_equal(2, COMPARISON_METHOD[:i2])
assert_equal(3, COMPARISON_METHOD[:i3])
end
def test_cvt_color_funcs
mat_1ch = CvMat.new(1, 1, :cv8u, 1)
mat_1ch[0] = CvScalar.new(10)
mat_3ch = CvMat.new(1, 1, :cv8u, 3)
mat_3ch[0] = CvScalar.new(10, 20, 30)
mat_4ch = CvMat.new(1, 1, :cv8u, 4)
mat_4ch[0] = CvScalar.new(10, 20, 30, 40)
gray_rgb = (0.299 * mat_3ch[0][0] + 0.587 * mat_3ch[0][1] + 0.114 * mat_3ch[0][2]).round
gray_bgr = (0.299 * mat_3ch[0][2] + 0.587 * mat_3ch[0][1] + 0.114 * mat_3ch[0][0]).round
# RGB(A) <=> RGB(A)
[mat_3ch.BGR2BGRA, mat_3ch.RGB2RGBA].each { |m|
assert_equal(CvMat, m.class)
assert_equal(4, m.channel)
assert_cvscalar_equal(CvScalar.new(10, 20, 30, 255), m[0])
}
[mat_3ch.BGR2RGBA, mat_3ch.RGB2BGRA].each { |m|
assert_equal(CvMat, m.class)
assert_equal(4, m.channel)
assert_cvscalar_equal(CvScalar.new(30, 20, 10, 255), m[0])
}
[mat_4ch.BGRA2BGR, mat_4ch.RGBA2RGB].each { |m|
assert_equal(CvMat, m.class)
assert_equal(3, m.channel)
assert_cvscalar_equal(CvScalar.new(10, 20, 30, 0), m[0])
}
[mat_4ch.RGBA2BGR, mat_4ch.BGRA2RGB].each { |m|
assert_equal(CvMat, m.class)
assert_equal(3, m.channel)
assert_cvscalar_equal(CvScalar.new(30, 20, 10, 0), m[0])
}
[mat_3ch.BGR2RGB, mat_3ch.RGB2BGR].each { |m|
assert_equal(CvMat, m.class)
assert_equal(3, m.channel)
assert_cvscalar_equal(CvScalar.new(30, 20, 10, 0), m[0])
}
[mat_4ch.BGRA2RGBA, mat_4ch.RGBA2BGRA].each { |m|
assert_equal(CvMat, m.class)
assert_equal(4, m.channel)
assert_cvscalar_equal(CvScalar.new(30, 20, 10, 40), m[0])
}
# RGB <=> GRAY
[mat_3ch.BGR2GRAY, mat_4ch.BGRA2GRAY].each { |m|
assert_equal(CvMat, m.class)
assert_equal(1, m.channel)
assert_cvscalar_equal(CvScalar.new(gray_bgr, 0, 0, 0), m[0])
}
[mat_3ch.RGB2GRAY, mat_4ch.RGBA2GRAY].each { |m|
assert_equal(CvMat, m.class)
assert_equal(1, m.channel)
assert_cvscalar_equal(CvScalar.new(gray_rgb, 0, 0, 0), m[0])
}
[mat_1ch.GRAY2BGR, mat_1ch.GRAY2RGB].each { |m|
assert_equal(CvMat, m.class)
assert_equal(3, m.channel)
assert_cvscalar_equal(CvScalar.new(10, 10, 10, 0), m[0])
}
[mat_1ch.GRAY2BGRA, mat_1ch.GRAY2RGBA].each { |m|
assert_equal(CvMat, m.class)
assert_equal(4, m.channel)
assert_cvscalar_equal(CvScalar.new(10, 10, 10, 255), m[0])
}
img_3ch = IplImage.new(1, 1, :cv8u, 3)
assert_equal(IplImage, img_3ch.BGR2GRAY.class)
flunk('FIXME: Most cvtColor functions are not tested yet.')
end
def test_build_information
s = build_information
assert_equal(String, s.class)
assert(s =~ /^\s+General configuration for OpenCV #{CV_VERSION}/)
end
end