Monday, April 28, 2008

Repair of Photographic Images

Imagine an evening while you try to sort out the old attic, in the midst of the darkness and dust collected from the years, discover an old photo album last century, the early version of a home multimedia database A photo album, with mostly Black and white photos of family elders-occasions like weddings, meetings, parties, trips around the world, fully in sentimental value, and even - why not - historical value. Because at the end of each day& 39;s own history is a part of the world& 39;s history - you can see from a philosophical perspective view.
But unfortunately, as it happens with old technology storage media - time leaving their mark on the photos. For example, visible marks on the surface, dust and scratches and fading and discoloration are constantly populate the surface of each of your precious images: moist, photo shoots are feeding their hungry appetite photos from each edge, slowly but steadily progressing towards an irreversible victory, turning the story into oblivion. Unless Oh, yes, with magic technology, a perceptive eye and a steady hand can back the photo-historical status quo, to remove or correct any side effects, all the characters or the battle scars of time left over. And the good news is that there is no need for expensive technology, even Rocket Science is required: Any good old image editing application with a scanner - and if you feel nostalgic for old media types memory, a printer with photo paper Complement of the task. So let& 39;s say, you have the photos, you have the technology What& 39;s next? How do you want to proceed quickly and efficiently enough to get any kind of pictures printed? Are there some tricks you should bear in mind which can help towards this goal?
Well, " the answer is yes and no. Despite the power tools we have in these days in our home PCs (with Adobe Photoshop for Windows and Mac, and Gimp on Linux as primary examples) situation easily carry out a variety of impressive digital photo tasks, the restoration of old photos is to still closely associated with a user and artistic talent eye, as much as his good knowledge and effective use of application tools.
For example, in Photoshop there are embedded filter that automatically remove dust and scratches: Some clever image recognition algorithm works, recognizes that undesirable elements by identifying irregular fluctuations in the bitmap-pixel color depth mapping. But this works only relatively well because the underlying algorithm is not loss: the more the filter is applied, the greater the loss of image quality in terms of sharpness and detail. It is also heavily dependent on the image content. Dust, scratches and other elements are easier from the photo uniform shady areas, so if an image photos are elements such as walls, surfaces, sky, clouds, etc. than, say, a landscape with lots of details, a patterned fabric or photos , Contains a series of people.
As for the use of instruments such as the powerful Adobe Photoshop Clone Stamp or the newer Spot Healing Brush, sampling and allows the copying to pixel level when it comes to serious damage images, the user Intuition is the only serious tool. For example, it might be that a picture so much damage that parts of it are literally missing - ok, if it is a landscape with flowers, the sampling will work well, but if the damaged part contains elements of a certain shape, such as international Faces or other body parts, interior design or architectural elements, then Copy, sampling and on-site treatment is not enough. Sometimes the user would have to re-create these elements; identifying details and similar copy from somewhere else in the image could also be possible, but most of the time angle shadows and light would be different. And especially if the damaged areas, such as the peoples faces, hands, animals, etc., or even everyday objects such as chairs, or clothing with special details such as shoes, etc., to restore the task is even harder: These objects should Recreation, aesthetics, which are well integrated in our visual perception " how things should look ".
When the desired result is a picture aesthetically correct and therefore useful in many ways, there is no magic recipe to the tools in what order and what functions of the restorer should be at work on the task. All the more if the task is to paint in black and white photos, especially with people on it involves large areas of skin. A correct skin color is something that all professional photographers and picture editors are looking for, especially if the images are printed. Putting color in black and white image is one of the hardest tasks of a digital image restorer must perform. Creative imagination and intuition and experience and advanced knowledge of the available tools are urgently needed to reach, sometimes a result Just bearable. As it is a very fine step easy to overcome before a beautiful face in the picture in black and white, turned to a pink, red or yellow foreigner is a dull, what is the fine line that can differentiate a good photograph of a recovery inadequate attempts sold expertise.
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