Freeware Listing: Bilinear

PNGwriter is a very easy to use open source graphics library that uses PNG as its output format. The interface has been designed to be as simple and intuitive as possible. It supports plotting and reading in the RGB (red, green, blue), HSV (hue, saturation, value/brightness) and CMYK (cyan, magenta, yellow, black) colour spaces, basic shapes, scaling, bilinear interpolation, full TrueType antialiased and rotated text support, bezier curves, opening existing PNG images and more..

  • Platform: C and C plus plus, Scripts

Returns equivalent IIR coefficients for an analog RC filter Usage: [B,A] = RC_FILTER(r, c, fs, type); R is the resistance value (in ohms) C is the capacitance value (in farrads) FS is the digital sample rate (in Hz) type is a character string defining filter type Choices are: 'high' or 'low' This function uses a pre-calculated equation for both of these circuits that only requires the resistance and capacitance value to get a true digital filter equivalent to a basic analog filter. The math behind these equations is based off the basic bilinear transform technique that can be found in many DSP textbooks.

  • Platform: Matlab, Scripts

Perform equation manipulation/substitution in syms toolbox, then convert the result to a transfer function using this m file. Input is your symbolic equation (with syms variable s or z), output is a transfer function of the same form. Useful for performing your own bilinear transforms - Start with a symbolic equation, perform substitution, convert to TF..

  • Platform: Matlab, Scripts
  • Jpair
  • License: Freeware
  • Rating

Jpair provides you with a lightweight and easy to use Java component that you can use for implementing bilinear pairing and crypto schemes.

Jpair supports Identity-Based Encryption, Attribute-Based Encryption and other similar encryption schemes.


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  • Publisher: cd04
  • Date:
  • Platform: WinOther

Pixelfusion 2.0 is a new technology that enhances digital video, and has taken over 5 years to develop to its current standard. From the start, it was designed so that it could be implemented in software and run in realtime on a home PC, but we also made sure that quality was a high priority.

We noticed that most downloaded or streamed video tend to look 'blurry' due to a reduction in the resolution of the video in order to reduce download time. When viewed, it is usually stretched, or resampled, to a higher resolution. This process is what causes the video to become blurry. Video could be viewed at the original resolution, but it tends to be very small, making it difficult to watch.

  • Publisher: QO Labs
  • Date:
  • Size: 696 KB
  • Platform: WinOther

Changes the desktop wallpaper automatically - freeware Automatic Wallpaper Changer is designed to do one thing well: allow you to change your desktop wallpaper on a timed basis. The time between changes is defined as a number of seconds, minutes or hours. The displayed image can be stretched for the best fit to the screen, maintaining its aspect ratio, or displayed at its actual size. When displaying actual size the user is not limited to the centre of the screen, as is usually the case in windows, but can choose to display the picture in any of the four corners of the screen or centred on one of the edges.

  • Platform: WinOther

Pixelfusion is a unique new technology that processes digital video in realtime Pixelfusion is a unique new technology that processes digital video to make it sharper and clearer. Most downloaded or streamed video tend to look 'blurry' due to a reduction in the resolution of the video in order to reduce download time. When viewed, it is usually stretched, or resampled, to a higher resolution, to make it easier to view.Generally, a standard bilinear or bicubic algorithm is performed. Because they only perform a simple mathematical interpolation which reproduces smooth transitions from one pixel to another, they will always cause an image to appear more blurry.

  • Publisher: qolabs.com
  • Date: 15-6-2009
  • Size: 993 KB
  • Platform: WinOther

This application has automatic resizing and renaming features to save you some time. With Fergo Screenshot you can easily capture images from your screen or your favorite game. It's possible to capture the entire screen, only a part of it or just an item (like a textbox). In addition, this application has automatic resizing and renaming features to save you some time.Here are some key features of "Fergo Screenshot":Supports JPG, PNG, BMP, GIF and TIFQuality control in JPG filesAutomated naming and option to add date and timeDifferent capture modesFullscreenActive windowRectangular areaWindow controls (buttons, textboxes, etc)Automatic capture in a time intervalPlay sound when capturingAutomatic resizing if requestedResizing filter options (bilinear, bicubic, nearest neighbor)System tray supportPlay sound when capturingSupport...

  • Platform: Win2000, WinOther, WinVista

Manage, organize, and archive your photo collection and be used to create elaborate animated slideshows Pictomio application was designed to help you manage, organize, and archive your photo collection and be used to create elaborate animated slideshows. Utilizing the processing power of the latest 3D graphics cards, the Pictomio software offers techniques and effects that are previously available only in game development.Here are some key features of "Pictomio":Image ManagementConveniently mange entire photo libraries and archives with several thousand images. When managing photos, browse directories on your hard drives or add photos to a virtual photo album by using drag and drop.

  • Platform: WinOther, WinVista

Introduction: Is a software to get thumbnails from any image. I have always had problems generating thumbnails from a large amount of images quickly and easily. Also standard graphic programs couldn't meet my needs or it simply took too much time handling image after image. What are Thumbnails? Thumbnails are reduced-size versions of pictures, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words. In the age of digital images, visual search engines and image-organizing programs normally use thumbnails, as do most modern operating systems or desktop environments, such as Microsoft Windows, Mac OS X, KDE, and GNOME.

  • Publisher: LuJoSoft
  • Date: 23-02-2010
  • Size: 764 KB
  • Platform: WinOther, WinVista

VideoLobster is an absolutely free convenient application for video processing. The main advantage of this program is wizard-like functioning that allows you to easily convert video files without any supplementary specific attainments. While converting you may customize video output: Set any output video and audio settings: codecs, bitrates etc; Apply filters for improving video quality, including auto-contrast, auto-level, sharpness, blur video and so on; Resize video using different algorithm: Bilinear, Bicubic, Lanczos3, Lanczos8; Crop any part on video image. The window of the application is scalable so you can use your monitor screen completely.

  • Platform: Win2000, Windows Server, WinOther, WinVista, WinVista x64

VirtualDub is a video capture/processing utility for 32-bit and 64-bit Windows platforms (98/ME/NT4/2000/XP/Vista/7x64), licensed under the GNU General Public License (GPL). It lacks the editing power of a general-purpose editor such as Adobe Premiere, but is streamlined for fast linear operations over video. It has batch-processing capabilities for processing large numbers of files and can be extended with third-party video filters. VirtualDub is mainly geared toward processing AVI files, although it can read (not write) MPEG-1 and also handle sets of BMP images. Features: Have you ever worked with desktop video? Sure, you've probably played a few video clips on your monitor.

  • Publisher: Avery Lee
  • Date: 24-06-2012
  • Size: 1915 KB
  • Platform: WinOther

The Irrlicht Engine is an open source high performance realtime 3D engine written and usable in C++ and also available for .NET languages. It is completely cross-platform, using D3D, OpenGL and its own software renderer, and has all of the state-of-the-art features which can be found in commercial 3d engines. We've got a huge active community, and there are lots of projects in development that use the engine. You can find enhancements for Irrlicht all over the web, like alternative terrain renderers, portal renderers, exporters, world layers, tutorials, editors, language bindings for java, perl, ruby, basic, python, lua, and so on.

  • Platform: WinOther

The zipped file contains 18 m files implementing all experiments in the course EC1302 DSP Lab under Anna University Chennai, India syllabus: butterworth lowpass filter design using bilinear transformation & impulse invariant methods given relative or absolute specifications, DIT-FFT & DIF-FFT algorithms, FIR filter design using window method, sectioned or fast convolution methods (overlap-add & -save), forming a square matrix by circular-shifting of a vector (used in matrix method of convolution). Please feel free to mail me in case of any further clarification or assistance in using matlab for signal processing or in any engineering field: vsalaiselvam@yahoo.

  • Platform: Matlab, Scripts

A collection of portable functions, written in c, (compiles in c++) for using the GTOPO30 digital elevation model (GTOPO30 DEM). Including a comprehensive terminal client, height using bilinear interpolation, create DEM bitmaps, RLE tile combined data.
GTOPO30 c/c++ function library License - BSD License.

  • Platform: WinOther

Cross Section Analysis And Design is a powerful application that can perform a wide range of cross section calculations, including the design of reinforced concrete sections. It can handle any arbitrary cross section under biaxial bending and axial loads. The given cross sections are built up of one or more geometric entities and can be drawn directly using the versatile featured user interface. The user can also import standard steel sections from a complete shape library according to all major codes (AISC, Australian-New Zealand, BS, Chinese, European, Indian, Aluminum etc.) Among its capabilities, Cross Section Analysis And Design can calculate all sectional properties, plot Moment +oOeCOCt Curvature and Interaction diagrams, estimate the location of neutral axis under given sets of biaxial loads and plot the corresponding stress...

  • Platform: Win2000, Win7 x32, Win7 x64, Windows Server, WinOther, WinVista, WinVista x64

ImLab is a free open source graphical application for Scientific Image Processing that runs in Windows, Linux and many other UNIX systems. It supports multiple windows, data types including 32 bit integers, 32 bit real numbers and complex numbers. It is implemented in C++ and also in C to provide a very simple way to add new functions. It has many image operations and supports several file formats.

This program has been created to serve as a laboratory to implement routines of image processing. ImLab was build using IUP (interface), CD (drawing) and IM (imaging) libraries. It runs in Windows, Linux, SGI IRIX, SunOS, IBM AIX and MacOS X (using X-Windows).

  • Platform: Windows 7, WinOther, WinVista

VirtualDub is a video capture/processing utility for 32-bit and 64-bit Windows platforms (98/ME/NT4/2000/XP/Vista/7), licensed under the GNU General Public License (GPL). It lacks the editing power of a general-purpose editor such as Adobe Premiere, but is streamlined for fast linear operations over video. It has batch-processing capabilities for processing large numbers of files and can be extended with third-party video filters. VirtualDub is mainly geared toward processing AVI files, although it can read (not write) MPEG-1 and also handle sets of BMP images.

VirtualDub helps you get video into your computer.

  • Platform: WinOther

The WriteableBitmapEx library is a collection of extension methods for Silverlight's WriteableBitmap. The WriteableBitmap class that was added in Silverlight 3 and is also available on Windows Phone, allows the direct manipulation of a bitmap and could be used to generate fast procedural images by drawing directly to a bitmap. The WriteableBitmap API is very minimalistic and there's only the raw Pixels array for such operations. The WriteableBitmapEx library tries to compensate that with extensions methods that are easy to use like built in methods and offer GDI+ like functionality. The library extends the WriteableBitmap class with elementary and fast (2D drawing) functionality, conversion methods and functions to combine (blit) WriteableBitmaps.

  • Platform: WinOther

Perfect Viewer is a very fast image/comic viewer.

*Turn black/white image into 4 colorize image(Only available for donated users. Need install Perfect Viewer donation application).
*Page layout: Auto single page, Auto dual page, Auto switch by screen orientation
*Support Windows, Linux etc. network file sharing(CIFS/SAMBA)
*Require internet permission for CIFS/SAMBA support.
*Support image file format: JPEG,PNG,GIF,BMP
*Support archive file format: CBZ/ZIP,CBR/RAR,7Z/CB7(No solid mode),LZH
*Support PDF file after install the PDF plugin
*Smooth filters: Averaging, Bilinear, Bicubic, Lanczos3;
*Five view mode: Full size, Fit Screen, Fit Width, Fit Height, Fixed size, Stretch;
*Support Left-to-right & right-to-left reading
*Set image as wallpaper
*Browse image in folder/archive as...

  • Platform: Android, WinMobile

Bilinear: Freeware | All

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