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演算法sdk

發布時間: 2023-03-31 00:34:41

1. 帶前端攝像頭的演算法是什麼意思

視頻監控智能演算法。
智能監控是嵌入式視頻伺服器中,集成了智能行為識別演算法,能夠對畫面場景中的行人或車輛的行為進行識別,判斷,並在適當的條件下,產生報警提示用戶。
智能分析作為視頻監控下一個技術的競爭焦點,在安防監控業內已然成為炙手可熱的研究課題。現在不僅安防設備商/集成商對此功能蜂擁而至,很多IT領域的集成商由於演算法成本研發的成本不高,所以也開始從其他領域的智能識別涉足智能監控,或通過後端SDK提供服務,或與攝像機設備商合作,並且往往在產品形態上有異於當前主流的攝像機外形。

2. 實時人臉跟蹤的演算法有哪些,有沒有成熟的SDK實現

顏鑒拆磨ColorReco基於深度學習的人臉識別演算法,可以集成到ARM平台Android/IOS系統,對硬體要求較低,運行穩定帶亮,動態實時識別,識別率高。並擁有Android人臉識別演算法的全套技術,包括TOP級人臉檢測,蠢御寬動態人臉關鍵點跟蹤(五官定位),離線動態人臉識別。

3. 虹軟免費SDK演算法對顯卡有什麼要求

對電腦的要求倒是比較低!酷或伏碰睿的cpu基本沒問題,廳敬顯卡集顯就行,內存至少要1G吧,然後是官方推薦的衫談Eclipse+sdk+ADT的方式就行了!

4. 美顏sdk領域演算法較為突出的有哪些

相芯科技的美顏sdk吧,演算法比較精準,功能比較多也比較超前,優化方面做得也還行。

5. .net sdk實現sha1加密演算法和簽名驗證

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization.Formatters.Binary;
using System.Security.Cryptography;
using System.Text;

//xlding, 2013/07/25

namespace Gemr.Utils
{
public class CommonAlgorithms
{
#region Sort

public static string[] BubbleSort(string[] array)
{
int length = array.Length;
for (int i = 0; i <= length - 1; i++)
{
for (int j = length - 1; j > i; j--)
{
if (array[j].CompareTo(array[j - 1]) < 0)
{
string temp = array[j];
array[j] = array[j - 1];

array[j - 1] = temp;
}
}
}
return array;
}

#endregion Sort

private static char[] constant =
{
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'
};

public byte[] ConvertStringToByteArray(string str)
{
if (string.IsNullOrEmpty(str)) return null;

byte[] byteArray = System.Text.Encoding.Default.GetBytes(str);

return byteArray;

}

public static string GenerateRandom(int Length)
{
System.Text.StringBuilder newRandom = new System.Text.StringBuilder(52);
Random rd = new Random();
for (int i = 0; i < Length; i++)
{
newRandom.Append(constant[rd.Next(52)]);
}
return newRandom.ToString();
}

/// <summary>
/// Put the object serialization for byte array
/// </summary>
public static byte[] SerializeObject(object obj)
{
if (obj == null)
return null;
MemoryStream ms = new MemoryStream();
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(ms, obj);
ms.Position = 0;
byte[] bytes = new byte[ms.Length];
ms.Read(bytes, 0, bytes.Length);
ms.Close();
return bytes;
}

/// <summary>
/// Byte array reverse serialized into object
/// </summary>
public static object DeserializeObject(byte[] bytes)
{
object obj = null;
if (bytes == null)
return obj;
MemoryStream ms = new MemoryStream(bytes);
ms.Position = 0;
BinaryFormatter formatter = new BinaryFormatter();
obj = formatter.Deserialize(ms);
ms.Close();
return obj;
}

public static string ConvertByteArrayToString(byte[] byteArray)
{
if (byteArray == null || byteArray.Length == 0) return null;

string str = System.Text.Encoding.Default.GetString(byteArray);

return str;
}

//public static string ByteToString(byte[] value)
//{
// StringBuilder sb = new StringBuilder();
// for (int i = 0; i < value.Length; i++)
// {
// sb.Append(value[i].ToString("x2"));
// }
// return sb.ToString();
//}

#region SHA1 (數字簽名)

public static string GetSHA1(string strSource)
{
string strResult = "";

//Create
System.Security.Cryptography.SHA1 sha = System.Security.Cryptography.SHA1.Create();
byte[] bytResult = sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes(strSource));
for (int i = 0; i < bytResult.Length; i++)
{
strResult = strResult + bytResult[i].ToString("X2");
}
return strResult;
}

public static byte[] GetSHA1(byte[] value)
{
System.Security.Cryptography.SHA1 sha = System.Security.Cryptography.SHA1.Create();
return sha.ComputeHash(value);
}

#endregion SHA1

#region DES

/**/
/// <summary>
/// DES加密
/// </summary>
/// <param name="encryptString"></param>
/// <returns></returns>
public static string DesEncrypt(string encryptString, string sKey)
{

using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
cs.Close();
}
string str = Convert.ToBase64String(ms.ToArray());
ms.Close();
return str;
}

}

/**/
/// <summary>
/// DES解密
/// </summary>
/// <param name="decryptString"></param>
/// <returns></returns>
public static string DesDecrypt(string decryptString, string sKey)
{

byte[] inputByteArray = Convert.FromBase64String(decryptString);
using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
{
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
{
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
cs.Close();
}
string str = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return str;
}

}

#endregion DES

#region AES

#region Use static key

private static readonly byte[] aesKey = { 0x03, 0x00, 0x52, 0xc3, 0x03, 0x00, 0x52, 0xc3, 0x03, 0x00, 0x52, 0xc3,

0x03, 0x00, 0x52, 0xc3 };

public static string StaticAeskey
{
get { return System.Text.Encoding.Default.GetString(aesKey); }
}

/// <summary>
/// AES encode.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static string AesEncode(string value)
{
using (Aes aes = Aes.Create())
{
using (ICryptoTransform encryptor = aes.CreateEncryptor(aesKey, aesKey))
{
byte[] buffer = Encoding.UTF8.GetBytes(value);
buffer = encryptor.TransformFinalBlock(buffer, 0, buffer.Length);
return Convert.ToBase64String(buffer);
}
}
}

/// <summary>
/// AES decode.
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static string AesDecode(string value)
{
using (Aes aes = Aes.Create())
{
using (ICryptoTransform decryptor = aes.CreateDecryptor(aesKey, aesKey))
{
byte[] buffer = Convert.FromBase64String(value);
buffer = decryptor.TransformFinalBlock(buffer, 0, buffer.Length);
return Encoding.UTF8.GetString(buffer);
}
}
}

#endregion Use static key

public static byte[] GetKey()
{

Random rd = new Random();
byte[] key = new byte[16];
rd.NextBytes(key);
return key;
}

public static byte[] AesEncode(byte[] key, byte[] value)
{
using (Aes aes = Aes.Create())
{
using (ICryptoTransform encryptor = aes.CreateEncryptor(key, key))
{
return encryptor.TransformFinalBlock(value, 0, value.Length);
}
}
}

public static byte[] AesDecode(byte[] key, byte[] value)
{
using (Aes aes = Aes.Create())
{
using (ICryptoTransform decryptor = aes.CreateDecryptor(key, key))
{
return decryptor.TransformFinalBlock(value, 0, value.Length);
}
}
}

#endregion AES

}
}

6. 虹軟人臉識別SDK演算法是否是開源的

演算法是非開源的,目前免費開放的SDK是封裝好的引擎包。

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