arrayfire-python/_modules/arrayfire/features.html at gh-pages · arrayfire/arrayfire-python

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

<!DOCTYPE html>

<html>

<head>

<title>arrayfire.features — ArrayFire Python documentation</title>

</head><body>

<h1>Source code for arrayfire.features</h1><div class="highlight"><pre>

#######################################################

#

# This file is distributed under 3-clause BSD license.

# The complete license agreement can be obtained at:

# http://arrayfire.com/licenses/BSD-3-Clause

########################################################

"""

Features class used for Computer Vision algorithms.

"""

from .library import *

from .array import *

import numbers

<div class="viewcode-block" id="Features"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features">[docs]</a>class Features(object):

"""

A container class used for various feature detectors.

Parameters

----------

num: optional: int. default: 0.

Specifies the number of features.

"""

def __init__(self, num=0):

self.feat = c_void_ptr_t(0)

if num is not None:

assert(isinstance(num, numbers.Number))

safe_call(backend.get().af_create_features(c_pointer(self.feat), c_dim_t(num)))

def __del__(self):

"""

Release features' memory

"""

if self.feat:

backend.get().af_release_features(self.feat)

self.feat = None

<div class="viewcode-block" id="Features.num_features"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.num_features">[docs]</a> def num_features(self):

"""

Returns the number of features detected.

"""

num = c_dim_t(0)

safe_call(backend.get().af_get_features_num(c_pointer(num), self.feat))

return num</div>

<div class="viewcode-block" id="Features.get_xpos"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.get_xpos">[docs]</a> def get_xpos(self):

"""

Returns the x-positions of the features detected.

"""

out = Array()

safe_call(backend.get().af_get_features_xpos(c_pointer(out.arr), self.feat))

return out</div>

<div class="viewcode-block" id="Features.get_ypos"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.get_ypos">[docs]</a> def get_ypos(self):

"""

Returns the y-positions of the features detected.

"""

out = Array()

safe_call(backend.get().af_get_features_ypos(c_pointer(out.arr), self.feat))

return out</div>

<div class="viewcode-block" id="Features.get_score"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.get_score">[docs]</a> def get_score(self):

"""

Returns the scores of the features detected.

"""

out = Array()

safe_call(backend.get().af_get_features_score(c_pointer(out.arr), self.feat))

return out</div>

<div class="viewcode-block" id="Features.get_orientation"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.get_orientation">[docs]</a> def get_orientation(self):

"""

Returns the orientations of the features detected.

"""

out = Array()

safe_call(backend.get().af_get_features_orientation(c_pointer(out.arr), self.feat))

return out</div>

<div class="viewcode-block" id="Features.get_size"><a class="viewcode-back" href="../../arrayfire.features.html#arrayfire.features.Features.get_size">[docs]</a> def get_size(self):

"""

Returns the sizes of the features detected.

"""

out = Array()

safe_call(backend.get().af_get_features_size(c_pointer(out.arr), self.feat))

return out</div></div>

</pre></div>

</div>

</a>

<h1 class="logo"><a href="../../index.html">ArrayFire</a></h1>

<h3>Navigation</h3>

<h3>Related Topics</h3>

<ul>

<li><a href="../../index.html">Documentation overview</a><ul>

<li><a href="../index.html">Module code</a><ul>

</ul></li>

</ul>

</div>

<h3 id="searchlabel">Quick search</h3>

</form>

</div>

</div>

</div>

& <a href="https://github.com/bitprophet/alabaster">Alabaster 0.7.12</a>

</div>

</body>

</html>

FilesExpand file tree

features.html

Latest commit

History

features.html

File metadata and controls