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 | | Understanding Resolution in Adobe Photoshop CS4or designers working ingraphic design companies using Adobe Photoshop CS4, it is important to understand the various resolution-attributes like dimensions, bit depths, and color models. These are discussed below:
The dimension of an image should be set with a proper pixel value. Although, Photoshop has a maximum pixel limit of 300000 X 300000, graphics designers usually prefer to keep the dimension to a lower resolution (for example, 400X400 pixels). Similarly, one can work with bit depths up to 32 floating-point bits per channel in HDR (High Dynamic Range) mode in graphic web design ; although, most image editing is done at 8 bits per channel (24-bit RGB and 32-bit CMYK).
The different resolution types are:
Sampling Resolution - For scanned images, sampling resolution gives a measurement of precision of the scanning process which is measured in sample per inch (spi).
Document Resolution - The resolution value saved in the file when an image is imported from any software, is known as document resolution. The image quality changes only when the image is resampled.
Effective resolution - The effective resolution is the resolution of the image after it is scaled (by compressing or stretching the pixels) to its final print size.
Device resolution - It is the resolution of the output device. In graphic and web design, where the output device is not specific, it is essential to keep the resolution to a common and acceptable figure.
To give details of the resolution of an image, following parameters are important:- Pixel Dimensions
- Physical Dimensions and Resolution
- File Size
- Megapixels
- Single-Side Dimension.
- 'Res' or the number of pixels per millimeter
A bigger resolution does not necessarily mean a better resolution. A higher means that it would take longer to get saved, printed or opened. At the same time, a lower resolution may result in a pixelated image with a degraded quality. So, it is essential for a web graphic designer to keep the right resolution balance depending on the purpose of the final image. |
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| Photomatix Pro
by HDRsoft |  | HDR (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). |
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