|
For fingerprint images WSQ (Wavelet Scalar Quantization) is superior to other lossy compression methods, such as JPEG, and was chosen by FBI (U.S. Federal Bureau of Investigation) as the fingerprint image compression standard.
WSQ is a lossy compression method that is well-suited for preserving the very high resolution details of grayscale images while maintaining high compression ratios of typically 12:1 to 15:1.
Cognaxon WSQ image library provides the easy way to add WSQ image format support to your software projects. WSQ image library reads and converts between WSQ and 31 other graphic file formats, it is small (~ 1.5 Megabyte) and fast, and has graphics format conversion utility.
Supported formats for reading:
WSQ, BMP, TIFF, TIF, JPG, JPEG, JPE, PNG, GIF, PSP, JFIF, RLE, DIB, TGA,WIN,VST,VDA,ICB, FAX, EPS, PCX, PCC, SCR, RPF, RLA, SGI, RGBA, RGB, BW, PSD, PDD, PPM, PGM, PBM, CEL, PIC, PCD, CUT, IFF, ICO, WMF, EMF.
Supported formats for writing:
WSQ - FBI's Wavelet Scalar Quantization,
BMP - Windows Bitmap Graphics,
TIFF - Tagged Information File Format (no LZW compression),
PNG - Portable Network Graphics,
JPEG - Joint Photographic Experts Group,
RGB - Silicon Graphics International (uncompressed),
TGA - Truevision Targa Graphic.
Adding WSQ image library to your software project is very easy. Only 2-3 steps and several lines of code are needed. Sample projects are provided for:
Microsoft Visual C++ / Microsoft Visual C++ .NET,
Microsoft Visual C# .NET,
Microsoft Visual Basic,
Microsoft Visual Basic .NET,
Borland C++ Builder,
Borland Delphi,
Sun Java,
NetBeans Sun Java,
Eclipse Sun Java,
MinGW C/C++,
Eclipse C/C++,
Code::Blocks C++,
Bloodshed Dev-C++,
Borland C++ for Win32,
Digital Mars C/C++,
MatLab,
Compaq Visual Fortran,
PowerBASIC,
MASM32 (32 bit Microsoft Assembler).
For latest version and more information please visit:
http://www.cognaxon.com
WSQ image library (for fingerprints): http://www.cognaxon.com/downloads/WSQ_library.zip
LibMaster.com ActiveStockChart: http://www.libmaster.com/download_files/stockcharts/activestockchart.exe
The LibMaster.com ActiveStockChart is ActiveX component. It allows you to add the representation support of stock charts in your program in the any programming language which support COM technology
The LibMaster.com ActiveStockChart ActiveX component: supports three formats of stock charts representation: candlestick, bar chart and line chart; allows to resize the represented chart, to change the size of the window; provides autoadjustments during the window size changes for more convenient viewing the visible part of the chart; allows to set colors of all represented chart elements; allows to load data for representation from text file and stream, and to save data in file or stream; requires minimum work resources, has high drawing speed.
ActiveStockChart based on the LibMaster.com StockChart library.
http://libmaster.com/stockchart.php
All features of ActiveStockChart component coincide with the LibMaster.com StockChart library
ActiveStockChart tested for:
Microsoft Visual Basic 6,
Microsoft Visual Basic .NET,
Microsoft Visual C++ 6,
Microsoft Visual C++ .NET,
Microsoft Visual C# .NET,
Borland C++ Builder 6,
Borland Delphi 6.
Also ActiveStockChart have examples for:
Visual Basic,
Delphi,
C# |