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Commit 76e43c4

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段错误
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4 files changed

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## OpenCV Computer Vision with Python
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# -*- coding: utf-8 -*-
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# @Time : 2018年1月7日 11:33
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# @Author : play4fun
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# @File : freenect_test1.py
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# @Software: PyCharm
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"""
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freenect_test1.py:
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不行。段错误 (核心已转储)
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"""
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import pygame
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import numpy as np
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import sys
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from freenect import sync_get_depth as get_depth
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def make_gamma():
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"""
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Create a gamma table
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"""
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num_pix = 2048 # there's 2048 different possible depth values
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npf = float(num_pix)
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_gamma = np.empty((num_pix, 3), dtype=np.uint16)
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for i in range(num_pix):
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v = i / npf
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v = pow(v, 3) * 6
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pval = int(v * 6 * 256)
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lb = pval & 0xff
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pval >>= 8
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if pval == 0:
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a = np.array([255, 255 - lb, 255 - lb], dtype=np.uint8)
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elif pval == 1:
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a = np.array([255, lb, 0], dtype=np.uint8)
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elif pval == 2:
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a = np.array([255 - lb, lb, 0], dtype=np.uint8)
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elif pval == 3:
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a = np.array([255 - lb, 255, 0], dtype=np.uint8)
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elif pval == 4:
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a = np.array([0, 255 - lb, 255], dtype=np.uint8)
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elif pval == 5:
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a = np.array([0, 0, 255 - lb], dtype=np.uint8)
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else:
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a = np.array([0, 0, 0], dtype=np.uint8)
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_gamma[i] = a
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return _gamma
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gamma = make_gamma()
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if __name__ == "__main__":
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fpsClock = pygame.time.Clock()
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FPS = 30 # kinect only outputs 30 fps
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disp_size = (640, 480)
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pygame.init()
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screen = pygame.display.set_mode(disp_size)
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font = pygame.font.Font('slkscr.ttf', 32) #TODO provide your own font
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while True:
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events = pygame.event.get()
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for e in events:
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if e.type == pygame.QUIT:
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sys.exit()
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fps_text = "FPS: {0:.2f}".format(fpsClock.get_fps())
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# draw the pixels
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depth = np.rot90(get_depth()[0]) # get the depth readinngs from the camera
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pixels = gamma[depth] # the colour pixels are the depth readings overlayed onto the gamma table
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temp_surface = pygame.Surface(disp_size)
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pygame.surfarray.blit_array(temp_surface, pixels)
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pygame.transform.scale(temp_surface, disp_size, screen)
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screen.blit(font.render(fps_text, 1, (255, 255, 255)), (30, 30))
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pygame.display.flip()
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fpsClock.tick(FPS)

‎cv-Kinect深度相机/kinect_test.py‎

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if __name__ == "__main__":
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print 'start'
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while 1:
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# get a frame from RGB camera
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frame = get_video()
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print 'frame',type(frame)
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# get a frame from depth sensor
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depth = get_depth()
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print 'depth', type(depth)
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# display RGB image
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cv2.imshow('RGB image', frame)
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# display depth image
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cv2.imshow('Depth image', depth)
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# quit program when 'esc' key is pressed
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k = cv2.waitKey(5) & 0xFF
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if k == 27:
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break
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# print 'start'
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try:
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while 1:
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# get a frame from RGB camera
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frame = get_video()
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# print 'frame',type(frame)
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# get a frame from depth sensor
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depth = get_depth()
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# print 'depth', type(depth)
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# display RGB image
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cv2.imshow('RGB image', frame)
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# display depth image
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cv2.imshow('Depth image', depth)
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# quit program when 'esc' key is pressed
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k = cv2.waitKey(5) & 0xFF
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if k == 27:
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break
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except Exception as e:
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print(e)

‎参考图书Books.md‎

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- 参考图书Books
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- [OpenCV Computer Vision with Python](https://e.jd.com/30371482.html)
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- 包含Kinect深度相机的教程
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- 包含Kinect深度相机OpenNI的教程

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