benblackcake

// concurrent-queue.h
#ifndef CONCURRENT_QUEUE_H_
#define CONCURRENT_QUEUE_H_

#include <queue>
#include <thread>
#include <mutex>
#include <condition_variable>

template <typename T>

benblackcake

Python 3 extension example

Build

python3 setup.py build

Output: build/lib.macosx-10.11-x86_64-3.5/hello.cpython-35m-darwin.so

Run

benblackcake

#include <Python.h> // Must be first
#include <vector>
#include <stdexcept>
#include "PyUtils.h"
using namespace std;

// =====
// LISTS
// =====

benblackcake

#include <Python.h> // Must be first
#include <vector>
#include <stdexcept>
#include "PyUtils.h"
using namespace std;

// =====
// LISTS
// =====

benblackcake

/**
 * OpenCV video streaming over TCP/IP
 * Client: Receives video from server and display it
 * by Steve Tuenkam
 */

#include "opencv2/opencv.hpp"
#include <sys/socket.h> 
#include <arpa/inet.h>
#include <unistd.h>

benblackcake

#include <iostream>
#include <vector>
using namespace std;

// an illustration for my Julia-related question on julia-users

struct datfun {
   // some data
   vector<double> x;
   vector<double> y;

benblackcake

import tensorflow as tf

x = tf.Variable(2, name='x', dtype=tf.float32)
log_x = tf.log(x)
log_x_squared = tf.square(log_x)

optimizer = tf.train.GradientDescentOptimizer(0.5)
train = optimizer.minimize(log_x_squared)

init = tf.initialize_all_variables()

benblackcake

Edge Detection Algorithm using OpenCV

評估演算法的依據

• 雜訊誤判為邊緣(Edge)
• 沒找出真正邊緣(Edge)

各種邊緣偵測方式

• Soble
• Laplacian
• Canny

benblackcake

benblackcake

# A simple generator wrapper, not sure if it's good for anything at all.
# With basic python threading
from threading import Thread

try:
    from queue import Queue

except ImportError:
    from Queue import Queue