Hugin () is a cross-platform

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized so ...

panorama A panorama (formed from Greek πᾶν "all" + ὅραμα "view") is any wide-angle view or representation of a physical space, whether in painting, drawing, photography, film, seismic images, or 3D modeling. The word was originally coined i ...

photo stitching and HDR merging program developed by Pablo d'Angelo and others. It is a

GUI The GUI ( "UI" by itself is still usually pronounced . or ), graphical user interface, is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, inste ...

front-end for Helmut Dersch's

Panorama Tools Panorama Tools ''(also known as PanoTools)'' are a suite of programs and libraries for image stitching, i.e., re-projecting and blending multiple source images into immersive panoramas of many types. It was originally written by German physics ...

and Andrew Mihal's '' Enblend'' and ''Enfuse''. Stitching is accomplished by using several overlapping photos taken from the same location, and using control points to align and transform the photos so that they can be blended together to form a larger image. Hugin allows for the easy (optionally automatic) creation of control points between two images, optimization of the image transforms along with a preview window so the user can see whether the panorama is acceptable. Once the preview is correct, the panorama can be fully stitched, transformed and saved in a standard image format.

Features

Hugin and the associated tools can be used to * combine overlapping images for panoramic photography * correct complete panorama images, e.g. those that are "wavy" due to a badly levelled panoramic camera * stitch large mosaics of images and photos, e.g. of long walls or large

microscopy Microscopy is the technical field of using microscopes to view objects and areas of objects that cannot be seen with the naked eye (objects that are not within the resolution range of the normal eye). There are three well-known branches of micr ...

samples * find control points and optimize parameters with the help of software assistants/wizards * output several projection types, such as equirectangular (used by many full spherical viewers), mercator,

cylindrical A cylinder (from ) has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. In elementary geometry, it is considered a prism with a circle as its base. A cylinder may also be defined as an in ...

stereographic Stereoscopy (also called stereoscopics, or stereo imaging) is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. The word ''stereoscopy'' derives . Any stereoscopic image is ...

, and

sinusoidal A sine wave, sinusoidal wave, or just sinusoid is a mathematical curve defined in terms of the '' sine'' trigonometric function, of which it is the graph. It is a type of continuous wave and also a smooth periodic function. It occurs often i ...

* perform advanced photometric corrections and HDR stitching With the release of 2010.4.0, which includes a built-in control point generator, the developers consider Hugin to be feature-complete. Image:Hellbrunn banqueting hall 360 panoramic view.jpg, 360° panoramic view of a banqueting hall, the ceiling is distorted Image:Hellbrunn_banqueting_hall_ceiling_fisheye_projection.jpg, the same basic images with fisheye projection and different view angle

Development

Infrastructure

The Hugin development is tracked on

Launchpad A launch pad is an above-ground platform from which rocket- missiles or space launch vehicles take off vertically. Launch pad may also refer to: Computing * Launchpad (macOS), an application launcher introduced in Mac OS X Lion * Launch Pad (sof ...

and the code resides in a Mercurial repository. Sacra Família Church

Google Summer of Code

Five projects for the development of Hugin / panotools were accepted for the 2007 Google Summer of Code. Additionally a sixth, community sponsored project has been set up. The projects were: * Automatic feature detection by Pedro Alonso (Spain), mentored by Herbert Bay (Switzerland) * New modular GUI by Ippei Ukai (Japan), mentored by Yuval Levy (Canada), who is also the lead administrator on the Summer of Code effort * HDR de-ghosting by Jing Jin (USA), mentored by Pablo d'Angelo (Germany) who is also the lead developer on Hugin * Large image processing with VIPS by Mohammad Shahiduzzaman (Bangladesh), mentored by John Cupitt (United Kingdom) * Interactive Panorama Viewer by Leon Moctezuma (Mexico), mentored by Aldo Hoeben (The Netherlands) * Community project: PTbatcher by Zoran Mesec (Slovenija), mentored by Daniel M. German (Canada) Hugin was also accepted to Summer of Code 2008. Projects were: * Fast,

OpenGL OpenGL (Open Graphics Library) is a cross-language, cross-platform application programming interface (API) for rendering 2D and 3D vector graphics. The API is typically used to interact with a graphics processing unit (GPU), to achieve hardwa ...

accelerated preview by James Alastair Legg, mentored by Pablo d'Angelo * Automated feature matching by Onur Kucuktunc, mentored by Alexandre Jenny * User interface for masking of images by Fahim Mannan, mentored by Daniel M. German * Batch processing ability by Marko Kuder, mentored by Zoran Mesec * Automatic detection of non-static features in imagery (final application is called ''Celeste'') by Timothy Nugent, mentored by Yuval Levy In 2009 Google Summer of Code projects were as follows: *

Ghost A ghost is the soul or spirit of a dead person or animal that is believed to be able to appear to the living. In ghostlore, descriptions of ghosts vary widely from an invisible presence to translucent or barely visible wispy shapes, to re ...

removal for Enfuse by Luka Jirkovsky, mentored by Andrew Mihal * Layout model by James Legg, mentored by Bruno Postle * Automatic lens calibration by detecting straight lines in pictures by Timothy Nugent, mentored by Tom Sharpless * and fourth project for porting LightTwist to Mac OS X by Yulia Kotseruba, mentored by Sébastien Roy. In 2010 the Google Summer of Code projects were: * implementing a

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention."A ...

-free image feature detector and control point generator by Antoine Deleforge, mentored by Timothy Nugent. * creating a new interactive panorama overview, by Darko Makreshanski and mentored by James Legg * improving the make file libraries used in panorama stitching and * adding regression tests for libpano13 In 2011 the GSoC project was centered around Enblend's seam line optimization algorithm using graph-cut algorithm.New primary seam generator in Enblend, Hugin-ptx group
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References

External links