journal for May

5.2

 handwritten pile

Luogu p3378

 1 #include <cstdio>
 2 #include <cstring>
 3 #include <iostream>
 4 #include <algorithm>
 5 using namespace std;
 6 const int maxn = 2e6 + 5;
 7 
 8 int heap[maxn],heap_size,n;
 9 
10 void put(int x)
11 {
12     int now,nxt;
13     heap[++heap_size] = x;
14     now = heap_size;
15     while (now > 1)
16     {
17         nxt = now >> 1;
18         if (heap[now] >= heap[nxt]) return;
19         swap(heap[now],heap[nxt]);
20         now = nxt;
21     }
22 }
23 
24 void del()
25 {
26     int now,nxt,res = heap[1];
27     heap[1] = heap[heap_size];heap_size--;
28     now = 1;
29     while (now*2 <= heap_size)
30     {
31         nxt = now * 2;
32         if (nxt <= heap_size && heap[nxt + 1] < heap[nxt]) nxt++;
33         if (heap[now] <= heap[nxt]) return;
34         swap(heap[now],heap[nxt]);
35         now = nxt;
36     }
37     return;
38 }
39 
40 int get() {return heap[1];}
41 
42 int main()
43 {
44     scanf("%d",&n);
45     int cmd,x;
46     heap_size = 0;
47     for (int i = 1;i <= n;i++)
48     {
49         scanf("%d",&cmd);
50         if (cmd == 1)
51         {
52             scanf("%d",&x);
53             put(x);
54         }
55         else if (cmd == 2) printf ("%d\n",get());
56         else del();
57     }
58     return 0;
59 }

View Code

 

5.3

The trajectory of life has changed qaqaq

5.4

It's going to be cold again... The cold without preparation always seems to be more uncomfortable than the cold with preparation. Some qaqaq

 -------- faint secant line-----

Okay, I dumped the pot on the face to the wifi downstairs that KFC is in a hurry

 

join in python

Determine the direction of the 3D image by the tag of the dicom image

 

5.5

Li Xia

py processes dicom, simply read in and display. I found that the picture displayed by python has a little color effect, which is better than matlab's qwq

 1 import numpy as np
 2 import pdb
 3 import dicom
 4 import os
 5 import scipy.ndimage
 6 import pylab
 7 from skimage import measure
 8 
 9 dcm = dicom.read_file('test.dcm')
10 print (dcm.dir("pat"))
11 
12 data_element = dcm.data_element("PatientsName")
13 print (data_element.VR,data_element.value)
14 
15 pixel_bytes = dcm.PixelData
16 
17 pix = dcm.pixel_array
18 print (pix)
19 
20 pylab.imshow(dcm.pixel_array,cmap = pylab.cm.bone)
21 pylab.show()

View Code

 

5.6

EM Algorithm and Image Segmentation

EM algorithm  does not understand mathematics qaqqaqaq

 

5.7

Common medical image processing

 

you only look once

 

5.8

In the process of processing, we need to find the convex hull... qaqaq It turns out that this is also ready-made

Convex hull