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Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Thank you in advance.

 

I am having error with convolve2D array, please help to fix.

 

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from scipy.signal import convolve2d 3. from scipy import misc kernelsize = 5 %23 kernel=np.ones ( (kernelsize, kernelsize)) kernel /= kernel.sum () 7. 8 #print (kernel) 10 #frame = skimage.color.rgb2gray (frame) 11 im out = convolve2d (im, kernel) 12 plt.figure () plt.gray()| plt.subplot (1,2,1) 13 14 15 plt.imshow (im) 16 plt.subplot (1,2,2) 17 plt.imshow (im) 18 plt.show () 19 ValueError Traceback (most recent call last) <ipython-input-224-d2f48af2dfd2> in <module> () 8 #print (kernel) 9 #frame = skimage.color.rgb2gray (frame) 10 im out = convolve2d (im, kernel) 11 plt.figure () 12 plt.gray() /usr/local/lib/python3.7/dist-packages/scipy/signal/signaltools.py in convolve2d (inl, in2, mode, boundary, fillvalue) 1539 1540 if not in1.ndim == in2.ndim == 2: -> 1541 raise ValueError ('convolve2d inputs must both be 2D arrays') 1542 1543 if _inputs_swap_needed (mode, in1.shape, in2.shape):
Transcribed Image Text:from scipy.signal import convolve2d 3. from scipy import misc kernelsize = 5 %23 kernel=np.ones ( (kernelsize, kernelsize)) kernel /= kernel.sum () 7. 8 #print (kernel) 10 #frame = skimage.color.rgb2gray (frame) 11 im out = convolve2d (im, kernel) 12 plt.figure () plt.gray()| plt.subplot (1,2,1) 13 14 15 plt.imshow (im) 16 plt.subplot (1,2,2) 17 plt.imshow (im) 18 plt.show () 19 ValueError Traceback (most recent call last) <ipython-input-224-d2f48af2dfd2> in <module> () 8 #print (kernel) 9 #frame = skimage.color.rgb2gray (frame) 10 im out = convolve2d (im, kernel) 11 plt.figure () 12 plt.gray() /usr/local/lib/python3.7/dist-packages/scipy/signal/signaltools.py in convolve2d (inl, in2, mode, boundary, fillvalue) 1539 1540 if not in1.ndim == in2.ndim == 2: -> 1541 raise ValueError ('convolve2d inputs must both be 2D arrays') 1542 1543 if _inputs_swap_needed (mode, in1.shape, in2.shape):
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