Jetson TK1 관련 유투브 동영상들

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- QT Creator
https://www.youtube.com/watch?v=xVTSp4AcFfo

- Ubuntu Terminal
https://www.youtube.com/watch?v=rgKlyCwEy3M

- Lena LPF OpenCV
https://www.youtube.com/watch?v=NkHBoc_MMcQ

- GPIO + Wireless typing
https://www.youtube.com/watch?v=AZ05DeB_Ypo

-Install OpenCV
https://www.youtube.com/watch?v=cDiraXaFM9A

- Install CUDA
https://www.youtube.com/watch?v=cv-FqtPsvrA

- DeepLearning & Python in Mac
https://www.youtube.com/watch?v=E9ZPD_T639c

-Caffe Deep Learning
https://www.youtube.com/watch?v=VVKZW7Iy5TI

-SSD HDD
https://www.youtube.com/watch?v=poCV36nbAZM

-Logitech WebCam
https://www.youtube.com/watch?v=8To3RzLE9Bw

-Canny Edge
https://www.youtube.com/watch?v=1hqIGxrp8dI

- Face Detection & Tracking
https://www.youtube.com/watch?v=v_MHtrKs9wg


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파이썬으로 Homomorphic Filtering 하기

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import cv2 # For OpenCV modules (For Image I/O and Contour Finding) import numpy as np # For general purpose array manipulation import scipy . fftpack # For FFT2 #### imclearborder definition def imclearborder ( imgBW , radius ): # Given a black and white image, first find all of its contours imgBWcopy = imgBW . copy () contours , hierarchy = cv2 . findContours ( imgBWcopy . copy (), cv2 . RETR_LIST , cv2 . CHAIN_APPROX_SIMPLE ) # Get dimensions of image imgRows = imgBW . shape [ 0 ] imgCols = imgBW . shape [ 1 ] contourList = [] # ID list of contours that touch the border # For each contour... for idx in np . arange ( len ( contours )): # Get the i'th contour cnt = contours [ idx ] # Look at each point in the contour for pt in cnt : rowCnt = pt [ 0 ][ 1 ] colCnt = pt [ 0 ][ 0 ] # If this is within the radius of th...
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파이썬으로 2D FFT/iFFT 하기: numpy 버전

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import cv2 import numpy as np from matplotlib import pyplot as plt img = cv2 . imread ( 'messi5.jpg' , 0 ) f = np . fft . fft2 ( img ) fshift = np . fft . fftshift ( f ) magnitude_spectrum = 20 * np . log ( np . abs ( fshift )) plt . subplot ( 121 ), plt . imshow ( img , cmap = 'gray' ) plt . title ( 'Input Image' ), plt . xticks ([]), plt . yticks ([]) plt . subplot ( 122 ), plt . imshow ( magnitude_spectrum , cmap = 'gray' ) plt . title ( 'Magnitude Spectrum' ), plt . xticks ([]), plt . yticks ([]) plt . show () rows , cols = img . shape crow , ccol = rows / 2 , cols / 2 fshift [ crow - 30 : crow + 30 , ccol - 30 : ccol + 30 ] = 0 f_ishift = np . fft . ifftshift ( fshift ) img_back = np . fft . ifft2 ( f_ishift ) img_back = np . abs ( img_back ) plt . subplot ( 131 ), plt . imshow ( img , cmap = 'gray' ) plt . title ( 'Input Image' ), plt . xticks ([]), ...
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