原创 wrapping c code in python
wrapping c code in python 1. write c code #include <stdio.h> #include <stdlib.h> int list_month(int i){ swit
2020-03-07 10:00:06
1
原创 demo sRGB vs HSV
demo sRGB < ---- > HSV http://math.hws.edu/graphicsbook/demos/c2/rgb-hsv.html
2020-02-23 00:08:59
原创 structured image vs textured image
structured image vs textured image structured image: repeated pattern, less radom,systematical perturbation. like農村的瓦
2020-02-23 00:08:59
原创 no response after click "System Settings" under Ubuntu16.04
no response after click "System Settings" under Ubuntu16.04 sudo apt-get install ubuntu-desktop
2020-02-23 00:08:59
原创 VGA,DVI,HDMI,DP,USB Type-C
VGA,DVI,HDMI,DP,USB Type-C https://www.zhihu.com/question/19571221
2019-10-26 02:53:55
原创 720p,1080p,4k
720p: 1280x720 1080p: 1920x1080 4k: 3840x2160 ( 水平方向約有4000個pixel）
2019-09-20 00:36:56
原创 noise in digital image
noise in digital image noise: random variation of brightness or color information in image gaussian noise salt-and pe
2019-09-16 01:37:06
原创 正則表達式
正則表達式 查找分辨率 width = int(re.findall(r'_(\d+)x\d+_', filename)[0]) height = int(re.findall(r'_\d+x(\d+)_', filename)[0]
2019-09-16 01:37:06
原创 pycharm debug模式下Console消失
pycharm debug模式下Console消失 pycharm version：2019.1.1（Community Edition） fix method: delete directory C:\Users\jh\.PyChar
2019-08-31 00:18:14
3
原创 convert 8bit/10bit RGB444,YUV444,NV12,NV21 to PNG
convert 8bit/10bit RGB444,YUV444,NV12,NV21 to PNG 下面的代碼寫的粗糙（汗~），將就着看，僅做參考。。。 def yuv2bgr(filename,height,width,bit_dep
2019-08-14 01:05:04
96
原创 Ubuntu 16.04下安裝VM Ubuntu18.04
Ubuntu 16.04下安裝VM Ubuntu18.04 背景： 1. 之前的VM因爲跑指令 disk=0；重新啓動就啓動不了了。。。 2. 已經有一個VM，但是版本是Ubuntu 16.04 步驟：
2019-08-09 01:50:56
原创 [32bit binary issue under 64bit system] no such file for directory
[32bit binary issue under 64bit system] no such file for directory lib32ncurses5 and libc6-i386 From :https://ubu
2019-08-03 01:30:40
2
原创 C語言fgets函數按行讀取文件
C語言fgets函數按行讀取文件 參考：https://blog.csdn.net/Gordennizaicunzai/article/details/80219787 https://stackoverflow.co
2019-07-31 02:52:19
原创 for loop in shell script
for loop in shell script # variable1: x1, x2 # variable2: 100~10000,step=1000 # variable3: 10~100,step=10 for x in x1 x
2019-07-31 02:52:19
原创 VirtualBox下虛擬機Ubuntu18.04瀏覽器可以用proxy上網，terminal不可以連網
VirtualBox下虛擬機Ubuntu18.04瀏覽器可以用proxy上網，terminal不可以連網 https://stackoverflow.com/questions/41502868/how-to-set-proxy-for-
2019-07-31 02:52:19