Vlfeat Library MATLAB API Interface _ Computer Vision CV

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Vl_compile compile vlfeat MEX files vl_demo run vlfeat Demos Vl_harris harris Corner Strength Vl_help&nbs P Vlfeat Toolbox Builtin Help vl_noprefix create a prefix-less version of VLFEAT commands Vl_root obtain vlfeat ro OT path Vl_setup add vlfeat Toolbox to the path AIB vl_aib agglomerative information bottleneck vl_aibcut c UT Vl_aib tree Vl_aibcuthist compute A histogram by using a AIB compressed alphabet base D on Vl_aib cut Vl_aibhist compute histogram over Vl_aib tree FISHER vl_fisher fisher vector feature encoding GE Ometry vl_hat hat operator vl_ihat inverse vl_hat operator Vl_irodr inverse Rodrigues ' formula vl_rodr& nbsp Rodrigues ' Formula GMM Vl_gmm learn a Gaussian mixture Model using EM imop vl_dwaffine derivative of an affine w ARP Vl_imarray flattens image array Vl_imarraysc scale and flattens image array Vl_imdisttf image Distance Transform VL_IMDOWN&NBSp;downsample an image by two vl_imgrad image gradient Vl_imintegral compute integral image vl_impattern  Generate an image from a-stock-pattern vl_imreadbw reads an image as Gray-scale vl_imreadgray reads an image as Gray-scale Vl_imsc scale Image Vl_imsmooth smooth image vl_imup upsample an image by two vl_imwbackward& Nbsp;image backward warping Vl_imwhiten whiten an Image vl_rgb2xyz convert RGB color spaces to XYZ Vl_tps co Mpute the Thin-plate spline basis vl_tpsu compute the U matrix of a thin-plate spline transformation vl_waffine  Apply affine transformation to points vl_witps inverse thin-plate spline warping vl_wtps thin-plate spline warp ing vl_xyz2lab convert xyz color space to LAB vl_xyz2luv convert XYZ color spaces to LUV Vl_xyz2rgb convert XYZ to RGB kmeans vl_hikmeans hierachical integer k-means vl_hikmeanshist compute histogram of quantized data VL _hikmeanspush push Data DOwn an integer k-means vl_ikmeans integer k-means vl_ikmeanshist compute histogram of quantized data vl_ikm Eanspush project data on integer k-means paritions vl_kmeans cluster data using K-means MISC vl_alldist2 p Airwise distances Vl_alphanum sort strings using the Alphanum algorithm vl_argparse parse list of Parameter-val UE pairs VL_BINSEARCH MAPS data to bins vl_binsum binned summation vl_colsubset select a given number of CO Lumns vl_cummax cumulative maximum vl_getpid get MATLAB process ID Vl_grad compute The gradient of an image Vl_histmarg marginal of histogram Vl_hog compute hog features vl_homkermap homogeneous kernel map Vl_ Ihashfind find labels in the integer hash table vl_ihashsum accumulate integer labels into a hash table vl_inthis T calculate Integral Histogram vl_isoctave determines whether Octave is running Vl_kdtreebuild build Randomized Kd-tree Vl_kdtreequery&nbsP Query kd-tree vl_lbp local Binary Patterns vl_lbpfliplr flip LBP features Left-right vl_localmax find Local maximizers Vl_matlabversion return MATLAB version as an integer vl_numder numerical derivative vl_ numder2 numerical second derivative vl_override override structure subset vl_pegasos [deprecated] Vl_ Sampleinthist sample Integral histogram vl_simdctrl toggle vlfeat SIMD optimizations vl_svmdataset  Construct advanced SVM DataSet structure vl_svmpegasos [deprecated] Vl_svmtrain train a Support Vector Machine Vl_threads control vlfeat Computational Threads vl_twister random Number Generator Vl_version obtain Vlfeat version Information vl_whistc weighted histogram vl_xmkdir create a directory recursively. Mser vl_erfill fill extremal Region Vl_ertr transpose exremal regions Frames vl_mser maximally Stable Extremal regions Plotop vl_cf creates A copy of a figure vl_click  Click a point vl_clickpoint select A-clicking Vl_clicksegment select a segment by clicking vl_det  Compute DET curve Vl_figaspect set figure aspect ratio Vl_linespec2prop convert PLOT style line specs to line PR Operties vl_plotbox plot boxes Vl_plotframe plot a geometric frame vl_plotgrid plot a 2-D grid vl_plotpoin T plot 2 or 3 dimensional points vl_plotstyle get a Plot style vl_pr precision-recall curve. Vl_printsize set the printing size of a figure vl_roc roc curve. Vl_tightsubplot tiles axes without wasting space vl_tpfp compute true positives and false positives QUICKSHIFT V L_flatmap flatten a tree, assigning the label of the ' Root to ' node Vl_imseg color an image based on the SEGM Entation Vl_quickseg produce A quickshift segmentation of a grayscale or color image Vl_quickshift quick shift I Mage segmentation vl_quickvis create a edge image from a quickshift segmentatioN. SIFT vl_covdet covariant feature detectors and descriptors Vl_dsift dense SIFT a Geometric frame to a oriented ellipse vl_liop local intensity Order Pattern descriptor the Vl_phow extract phow FEA Tures vl_plotsiftdescriptor plot SIFT Descriptor Vl_plotss plot Scale space vl_sift scale-invariant Feature Transform vl_siftdescriptor raw SIFT descriptor Vl_ubcmatch match SIFT features Vl_ubcread read Lowe ' s SIFT implementation data files SLIC vl_slic slic superpixels SPECIAL vl_ddgaussian second derivative of t He Gaussian density function vl_dgaussian derivative of the Gaussian density function vl_dsigmoid derivative of The sigmoid function Vl_gaussian standard Gaussian density function Vl_rcos rcos function vl_sigmoid  sigmoid function VLAD vl_vlad vlad feature encoding from: http://www.vlfeat.org/matlab/matlab.html
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