argc 2

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Back Projection/Mean Shift/CamShift Motion Tracking Algorithm (opencv)

1 -- Back Projection CamShift is a motion tracking algorithm called "Continuously Apative Mean-Shift. It is used to track the color information of moving objects in video images. I divide this algorithm into three parts for ease of understanding:1)

Implement kernel-level process Protection Using VC ++

  Protection CoreCode   # Include "ntddk. H" # Define nt_device_name l "// device // protectprocess"# Define dos_device_name l "// dosdevices // protectprocess" # Define ioctl_protect_control ctl_code (file_device_unknown, 0x800,

Implementation of the meanshift Tracking Algorithm Based on opencv

Statement: This article is not the author's original, original Reprinted from: http://blog.csdn.net/koriya/article/details/3347365 Implementation of the meanshift Tracking Algorithm Based on opencv # Include "cv. H"# Include "highgui. H"# Include #

Turn: Implementation of the meanshift Tracking Algorithm Based on opencv

Implementation of the meanshift Tracking Algorithm Based on opencv # Include "cv. H"# Include "highgui. H"# Include # Include Iplimage * image = 0, * HSV = 0, * hue = 0, * mask = 0, * backproject = 0, * histimg = 0; // use the hue component in HSV

Condensation Algorithm for opencv Learning

The camshift algorithm, Kalman filtering algorithm and condensation Algorithm in opencv need to be used for a Multi-target tracking problem recently. The first two algorithms have a relatively large amount of data, in the book "Learning opencv", I

Lesson 2: learning basic C ++ statements

  Lesson 2: learning basic C ++ statementsIntroduction: The previous lesson introduced how to install the development environment in a Windows environment. If you do not have a development environment, first take a look at section 1. Before the

Implementation of the meanshift and camshift algorithms opencv

1 -- Back Projection Camshift is a motion tracking algorithm called "continuously apative mean-shift. It is used to track the color information of moving objects in video images. I divide this algorithm into three parts for ease of understanding:1)

Optimization of the algorithm for remembering a sieve prime number

Find out 1. n the number of primes in the algorithm we usually use the sieve number method, a relatively simple implementation is as follows:1#include 2#include 3 4 intMainConst intargcConst Char*argv[],Const Char*envp[])5 {6 int64_t N;7 int64_t I,

(24) Linux new timer: TIMEFD and related operation function

TIMERFD is a timer interface provided by Linux for the user program. This interface is based on file descriptors, and can be used for select/poll scenarios by using the file descriptor's readable event for timeout notification.One, related operation

Chapter 7th Process Relationship (2) _ Process chain and process fan

2. process chain and process fan(1) Create process Chain  ① Process Chain : That is, the parent process creates a child process, and the child process that is created creates the child process that belongs to itself again, so that it loops down as

Turn-unix system process to Sigterm, SIGUSR1 and SIGUSR2 signal processing

Unix system processes for sigterm, SIGUSR1, and SIGUSR2 signal processing Vfhky | Time: 2015-08-05-17:41 | Category: CSeries Long time no update blog, write an article in addition to weeding. This article focuses on a simple example of

C + + Protobuffer use of detailed

One, why use protocol Buffer? Before answering this question, let's first give a system scenario that is often encountered in actual development. For example, our client programs are developed using Java and may run from different platforms, such

Debugging PHP code using GDB to solve the problem of PHP code dead Loop

When I recently solved the swoole server problem with my colleagues, I found that 1 worker processes were in the state of R and the CPU was very time-consuming. The initial conclusion is that there is a dead loop in the PHP code. Here is a piece of

C-language variable-length array __c language

An analysis of C-language variable-length arrays 1. Introduction We know that unlike modern programming languages such as C + +, the traditional C language does not support variable-length array functions, which means that the length of the array

struct MSGHDR and struct IOVEC

the use of struct MSGHDR#include struct MSGHDR { void * MSG_NAME; /* Message Protocol Address */protocol address and socket information, in the connectionless UDP, the sender to specify the address port, the receiver used to the data source, if not

The process of learning Linux (iii)

Communication between processesEach process has a different user address space, the global variables of any one process can not be seen in another process, so the exchange between the data must pass through the kernel, a buffer in the kernel,

interprocess communication-Shared memory

void *mmap (void *addr,size_t len,int prot,int flags, int fd,off_t offset); Prot: Protection method Prot_read: Page readable Prot_write: Page writable Prot_exec: Prot_none: Fiags: Map_shared:

Modify the register value of GDB for debugging

When I tested a piece of code from a colleague yesterday, the returned value was not saved to the variable, but directly determined, similar to the following: Int check_state (); // a function from other library, didn't have it's definition, just a

Introduction to shared memory and MMAP functions in Linux Network Programming

1. Introduction to shared memory The shared memory zone is the fastest form of IPC. data transmission between these processes no longer involves the kernel. In other words, processes no longer transmit data by executing system calls that enter the

IOCTL-io channel management function

In_addr is the structure for storing IP addresses.Struct in_addr {U_int32_t s_addr;};Ifreq is a structure related to network interfaces./** Interface request structure used for socket* IOCTLs. All interface IOCTLs must have Parameter* Definitions

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