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HDR - High Dynamic Range Imaging
HDR Information:

New Technology in Digital Photography

More Information About HDR

Earlier to take photographs, photographic films were used, images created and photographic processing was done to make the photos visible for all to see as pictures. In digital photography, digital technology is used to make digital images of people or any pictures that fancy us. This is then stored digitally in computers. No chemical processing needs to be done. The pictures can be stored, retrieved whenever we want, transmitted to any one we want to send it to, printed and also displayed.

The pictures can be taken with the help of a digital camera. The digital film is made up of flash memory modules or recordable CD's. This can be transferred to the computer and stored there. In the computer, the photos can be made to look better with digital technology. The color of the picture, the background, the main image in the photo and the lighting can be made to look different and better. It can also be put on a website.

Digital technology gives the pictures a longer life as opposed to the camera print. We no longer need to have prints. We can see in on the computer whenever we want to. We can sent to near and dear ones far away.

Digital photography is a form of digital imaging. This can be done without a camera. It can be done with computer tomography scanners and radio telescopes without photographic equipments. Digital images can be made of conventional photographs, thus helping in restoring old photographs and helping in keeping memories alive.

Digital photography is the order of the day. Nowadays no one uses the conventional camera. Many new techniques have been made to improve the technology of digital photography. Every aspect of photography is advancing. New strides are being taken in all fields of lighting, optics, sensors, processing and display. There is also new software to integrate all this.

Normal images can be transformed into 3D images. This looks good when viewed from different angles. Making 3D images is very computer intensive. Models of famous places can be seen with the help of Microsoft Photosynth.

High Dynamic Range Cameras and displays are available. With a non-HDR camera a HDR a person can create his/her own HDR image combining multiple exposures. Dust Reduction Systems are also being put in digital SLR cameras to keep the dust of the image sensors of the camera.

A new technique is now used in museums. Using computer controlled lights and sensors; an object's specular reflection is captured. This helps in taking pictures of oil paintings. This is not available in the market. Another feature is the removal of motion blur with the help of a flutter shutter. This is also not available in the market. Other areas that have improved are computer software, displays, enlarged gamut sensors and computer controlled lighting.

Various new techniques are being worked on and thought of by the companies that produce digital cameras and those who are into digital photography. Every now and then we hear of newer advances which improve the quality of photographs and help to restore the old ones that we possess.

Albertleo



Suggested Reading:
Photomatix Pro
by HDRsoft
Photomatix ProHDR (High Dynamic Range) photo processing

Platform: Windows, Mac
Media: CD-ROM
Product Features:
  • Creation HDR images
  • Tone Mapping
  • Exposure Fusion
  • Automatic alignment hand-held photos
  • Reduction of noise and chromatic aberrations in HDR images
About the Product:

If you have ever photographed a high contrast scene, you know that even the best exposure will typically have blown out highlights and flat shadows.

Photomatix offers two ways to solve this problem:

  • HDR Tone Mapping: Reveal highlight and shadow details in an HDR image created from multiple exposures.
  • Exposure Fusion: Merge differently exposed photographs into one image with increased dynamic range.
Photomatix Pro is a stand-alone program that creates and processes HDR (High Dynamic Range) images, and runs on Mac OS X and Windows 98/Me/2000/XP/Vista. Some of the features of Photomatix Pro are also available as a Filter plug-in of Photoshop CS2/CS3/CS4 and an Edit plug-in of Aperture 2.1.
Benefits for Professional Photographers:

  • Save on Lighting Equipment
    No need to acquire expensive lighting equipment -and carry it- when you shoot high contrast scenes. Just enable the Auto Exposure Bracketing feature of your camera, and let Photomatix merge your photos into an image with extended dynamic range.

  • Great Cloudy Day Pictures
    Shadowless hazy sunlight or an overcast sky usually results in dull-looking photographs. The tone mapping tool of Photomatix Pro can turn them into great-looking images.

  • Saving Time in Post-Processing
    Photomatix Pro is designed for productivity -- automatic blending, unlimited stacking, easy comparison of results and batch processing save hours of masking and layers work in image editing programs.

  • Well-Exposed Panoramas
    A panoramic scene is almost always a high contrast scene -- you can't limit your view to areas with the same brightness when shooting a 360° panorama. By taking views under several exposures and processing them in Photomatix Pro, you can create a panorama that will show details in both the dark and bright areas of the scene. Photomatix Pro offers both exposure blending (also knows as exposure fusion) and HDR tone mapping.
About the Developer:

HDRsoft develops innovative software in the field of High Dynamic Range imaging for photography.

The first version of its HDR software Photomatix was released in February 2003 as the result of a research project started in July 2002. The project was awarded a grant from the French Ministry of Research, as laureate of the national contest 2003 organized by ANVAR (National Agency for the Valuation of Research).

The company is owned and controlled by its two founding members, one of them being a professional photographer with over 25 years' experience. HDRsoft was previously known as MultimediaPhoto (the company changed its name in December 2006).

©2004 - 2010




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