python Programming Glossary: threshold

http://stackoverflow.com/questions/1713335/peak-finding-algorithm-for-python-scipy

so they'd either be chosen because they're above a certain threshold or because they're the first n peaks of an ordered list ranked..

How can I quantify difference between two images?

http://stackoverflow.com/questions/189943/how-can-i-quantify-difference-between-two-images

the difference and I would have to empirically determine a threshold. I'm looking for simplicity rather than perfection. I'm using.. gradient with Sobel or Prewitt transform apply some threshold then compare edges on the first image to edges on the second...

Detect and record a sound with python

http://stackoverflow.com/questions/2668442/detect-and-record-a-sound-with-python

like this based on this question answer # this is the threshold that determines whether or not sound is detected THRESHOLD 0.. audio stream # wait until the sound data breaks some level threshold while True data stream.read chunk # check level against threshold.. while True data stream.read chunk # check level against threshold you'll have to write getLevel if getLevel data THRESHOLD break..

plotting results of hierarchical clustering ontop of a matrix of data in python

http://stackoverflow.com/questions/2982929/plotting-results-of-hierarchical-clustering-ontop-of-a-matrix-of-data-in-python

induced by the cutting the dendrogram at a particular threshold and have the dendrogram plotted alongside the matrix I know..

Inverse Distance Weighted (IDW) Interpolation with Python

http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python

this.py N ... np.random.seed seed np.set_printoptions 3 threshold 100 suppress True # .3f print nInvdisttree N d Ndim d Nask d..

Checking if two strings are permutations of each other in Python

http://stackoverflow.com/questions/396421/checking-if-two-strings-are-permutations-of-each-other-in-python

size. Pseudocode returnvalue false if len a len b if len a threshold returnvalue sorted a sorted b else returnvalue naminsmethod..

How can I improve my paw detection?

http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection

you have 5 steps def find_paws data smooth_radius 5 threshold 0.0001 data sp.ndimage.uniform_filter data smooth_radius thresh.. sp.ndimage.uniform_filter data smooth_radius thresh data threshold filled sp.ndimage.morphology.binary_fill_holes thresh coded_paws.. a boolean array of places where the pressure is over some threshold value i.e. thresh data value Fill any internal holes so that..

Finding number of colored shapes from picture using Python

http://stackoverflow.com/questions/5298884/finding-number-of-colored-shapes-from-picture-using-python

image # smooth the image to remove small objects set the threshold dnaf ndimage.gaussian_filter dna 16 T 25 # set threshold by.. threshold dnaf ndimage.gaussian_filter dna 16 T 25 # set threshold by hand to avoid installing `mahotas` or # `scipy.stsci.image`.. `mahotas` or # `scipy.stsci.image` dependencies that have threshold functions # find connected components labeled nr_objects ndimage.label..

Is it possible to specify your own distance function using Scikits.Learn K-Means Clustering?

http://stackoverflow.com/questions/5529625/is-it-possible-to-specify-your-own-distance-function-using-scikits-learn-k-means

.join sys.argv 1 # run this.py N ... np.set_printoptions 1 threshold 200 edgeitems 5 suppress True np.random.seed seed random.seed..

Detect & Record Audio in Python

http://stackoverflow.com/questions/892199/detect-record-audio-in-python

is_silent snd_data Returns 'True' if below the 'silent' threshold return max snd_data THRESHOLD def normalize snd_data Average..

Representing and solving a maze given an image

http://stackoverflow.com/questions/12995434/representing-and-solving-a-maze-given-an-image

appropriate threshold in Photoshop in Image Adjustments Threshold. Make sure threshold is selected right. Use the Magic Wand Tool..

Speeding up a closest point on a hyperbolic paraboloid algorithm

http://stackoverflow.com/questions/18858448/speeding-up-a-closest-point-on-a-hyperbolic-paraboloid-algorithm

return closest_p closest_d closest_u closest_v # Threshold hasn't been met set v0 anf v1 limits to either side of closest_v..

How can I improve my paw detection?

http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection

but this isn't quite working properly for some reason... Threshold the array so that you have a boolean array of places where the.. data sp.ndimage.uniform_filter data smooth_radius # Threshold the blurred data this needs to be a bit 0 due to the blur thresh..

Converting an OpenCV Image to Black and White

http://stackoverflow.com/questions/7624765/converting-an-opencv-image-to-black-and-white

gets me almost there but the threshold value sent to Threshold doesn't appear to have any effect. If I set it to 0 or 16 or.. cv.GetMat im_bw threshold 0 # 128#255# HAS NO EFFECT cv.Threshold im_gray_mat im_bw_mat threshold 255 cv.CV_THRESH_BINARY cv.CV_THRESH_OTSU..

Robust Hand Detection via Computer Vision

http://stackoverflow.com/questions/8593091/robust-hand-detection-via-computer-vision

and S channel and hence discount for lighting variations. Threshold pixels with low saturation due to their instability. Bin the..

Machine vision in Python

http://stackoverflow.com/questions/887252/machine-vision-in-python

inspect to get their info. For thresholding you can try Threshold . I was sure you could pass a flag to it to use Otsu's method..

Rectangular bounding box around blobs in a monochrome image using python

http://stackoverflow.com/questions/9525313/rectangular-bounding-box-around-blobs-in-a-monochrome-image-using-python

footprint data ndimage.uniform_filter data smooth_radius # Threshold the blurred data this needs to be a bit 0 due to the blur thresh..