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https://www.digitalocean.com/community/tutorials/how-to […]
HSV, HSL比较: 左HSL, […]
| Data and other attributes defined here: | | AQUAMAR […]
本征矩阵, 内在矩阵,内在的矩阵, intrinsic matrix simplecv的Camera().ca […]
g
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SimpleCV:1> cam = Camera() SimpleCV:2> cam.getAllProperties() HIGHGUI ERROR: V4L2: Unable to get property Saturation(9963778) - Invalid argument HIGHGUI ERROR: V4L2: Unable to get property Gain(9963795) - Invalid argument HIGHGUI ERROR: V4L: Gain control in V4L is not supported HIGHGUI ERROR: V4L2: Unable to get property Exposure(9963793) - Invalid argument HIGHGUI ERROR: V4L: Exposure control in V4L is not supported HIGHGUI ERROR: V4L2: Unable to get property Hue(9963779) - Invalid argument HIGHGUI ERROR: V4L2: Unable to get property Contrast(9963777) - Invalid argument SimpleCV:2: {'brightness': 0.5, 'contrast': 0.0, 'exposure': -1.0, 'gain': -1.0, 'height': 480.0, 'hue': 0.0, 'saturation': 0.0, 'width': 640.0} # sounds like only 'brightness', 'height', 'width' return ok, others is not support. SimpleCV:3> cam.getProperty("width") SimpleCV:3: 640.0 SimpleCV:5> cam.getProperty("height") SimpleCV:5: 480.0 |
getAllProperties() & […]
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计算直角三角形斜边: z= sqrt(x^2 + y^2) 也叫二维空间里的欧氏距离Euclidean dis […]
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方法一: /etc/rc.local 在rc.local文件的最后一行exit 0前面加入想要运行的程序, 加 […]
对HHKB的着迷有段时间了。 为那个CapsLock与Ctrl对换的设计用在VIM下觉得真心的方便,也为那Es […]
~: 把当前光标的字符改变大小写
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programming, hacking, math, art: http://calebmadrigal.c […]
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