Monday, October 24, 2011

Creating and Processing the Image - Image Input and Scanning

!: Creating and Processing the Image - Image Input and Scanning

Art and technology have never been more intertwined than they are now. Digital technology may be the tool, but the act of creation springs from the mind and heart of the artist. Let's look at how digital images are created and processed.

Image Input

If printing is close to the last step in the making of digital art, then one of the first steps is inputting or acquiring the image or the image elements. Most photographers and artists work with source material. Photographs, sketches, scans-these are the raw materials that, when combined with a creative vision, end up as an image worth printing.

It's like making a fire. Before the flames can blaze, you've got to go out and gather the wood. And if you've spent much time camping, you know that the drier and higher quality the wood, the bigger and better the fire. As with many things digital, the boundary lines between categories are not hard and fast. For example, digital cameras do the same basic thing that scanners do. But because the digital world has decided that a camera is one thing, and a scanner is another, I'll break image input down similarly.

Scanning

Scanning means sampling a reflective or transparent object (usually flat) point by point and turning that information into a usable digital file that can be processed in the computer and, for our purposes, ultimately printed. Scanning is done by scanners, and here's how they work. Light generated in the scanner itself is either reflected off or transmitted through a piece of art or film via a mirror and lens system and onto a grouping of light sensors, which are actually tiny CCD (charge-coupled devices) or in some cases CMOS (complementary metal oxide semi-conductors) or CIS (contact image sensors). The thousands of individual sensor elements, one per image pixel, are either arranged in single or triple rows, called, respectively, linear or tri-linear arrays.

The scanner's image is then formed (in the case of CCD) like this: As the scan progresses line by line down the original object, the light that is reflected or transmitted strikes each sensor, which transfers that information in the form of increasing voltage to something called an A/D (short for analog/digital) converter. The A/D converter then transforms the voltage into the binary values (our favorite ones and zeroes) that are sent to the computer. Once inside the computer, the scan is now a digital file that can be viewed, manipulated, and printed.


Creating and Processing the Image - Image Input and Scanning

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Wednesday, October 19, 2011

Panasonic Lumix DMC-ZS7 Best Price Tip - Plus 3 Simple Rules for Getting Great Snapshots!

!: Panasonic Lumix DMC-ZS7 Best Price Tip - Plus 3 Simple Rules for Getting Great Snapshots!

Are you one of the many people trying to find a Panasonic Lumix DMC-ZS7 Best Price? Here is a tip on how to get this fantastic digital camera for a little bit cheaper, but first here are 3 simple rules for getting the best snapshots to share with family and friends for generations.

Taking Great Snapshots with the Lumix DMC-ZS7

It is easy to get great snapshots of those special moments in your life. You don't need fancy expensive gear to get great pictures, all you need is a good 'point and shoot' camera.

We usually think of snapshots as pictures of people smiling into the camera on their summer vacation, and these are great fun to take and look at long after the vacation ends. But the ones I love to look at are the ones that capture a story and trigger bigger memories. Beyond snapshots, these photographs are like windows into the past and conjure up much more that what has actually been captured in the frame. They might show an facial expression that you can't get in a posed photograph, but that sums up someone's character, or perhaps an unusual situation that you can't stage. Or maybe it's something really ordinary like a loved one curled up in a chair reading a favorite book that really takes you back. So here are a few simple rules to help you get great pictures that you can enjoy for years to come:

Spontaneity and The Decisive Moment
A great picture catches that elusive moment that is there and gone again in a split second. This is easily illustrated in action photography: a dancer right at the top of their pose or football player at just that moment when they are catching the ball. The 'decisive moment' also can be much more subtle, for example, a telling sidelong glance, or a moment of surprise or uncertainty. Being able to act quickly is crucial to capturing the 'decisive moment' and this is where many of the cheaper digital cameras can let you down. Do you have to wait long for your camera to load up before use? Do you have to wait between shots because of excessive shutter delays? The Lumix DMC-ZS7 loads up fast and has no delay between shots so you won't miss the 'decisive moment'! Capture Your Subject in Time and Place
When you capture what is around your central subject you add another dimension, and your photograph becomes a document for your subject in just that moment in their history. This is the photograph that tells a story and triggers memories for years to come. It is important to have a wide angle lens especially if you are taking pictures in smaller indoor spaces. The Lumix DMC-ZS7 has a 25mm lens which is wider than most 'point and shoot' cameras. Light and Composition
A great photograph uses light and composition for emotional or aesthetic effect. Light creates mood and having a camera that is light sensitive and will do some of the thinking for you in low light situations is essential. Again beware of the cheap digital camera! If you like pictures with mood, it will be worth it for you to spending a few extra dollars for a camera that gets great results in low light. In camera reviews, the Lumix DMC-ZS7 rates top for light sensitivity. Composition, on the other hand, doesn't require technology. It's entirely up to you! Ask yourself:
- What is the picture about and how can you use composition to tell it?
- What do you choose to keep in the frame and what you chose to keep out? - What is the focal point? - Do you want depth and perspective?
- Or does a flat feel work better for this photograph?
- Do you want an intimate feel? Panasonic DMC's 12X zoom is perfect for getting a close and intimate feel without actually being close to your subject. Fantastic quality even at full zoom.Panasonic Lumix DMC reviews all rate it as the top 'point and shoot' camera on the market. It is easy to use and produces superb quality digital images even in the most difficult circumstances. It is a great digital camera for capturing those special moments.

Panasonic Lumix DMC ZS7 Best Price Buying Tip

There are some excellent Lumix DMC ZS7 camera deals online and one thing I've found is that some dealers will sell some colors cheaper than others and this can change from week to week! So if you don't care if your camera is blue or red or silver or black, you can get a better deal by picking the cheaper color. Or you might just get lucky and your favorite color will be the cheaper one!


Panasonic Lumix DMC-ZS7 Best Price Tip - Plus 3 Simple Rules for Getting Great Snapshots!

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Sunday, October 16, 2011

Panasonic Lumix DMC-FZ40 14.1 MP Digital Camera with 24x Optical Image Stabilized Zoom and 3.0-Inch LCD (Black)

!: Catalog Panasonic Lumix DMC-FZ40 14.1 MP Digital Camera with 24x Optical Image Stabilized Zoom and 3.0-Inch LCD (Black) free shipping

Brand : Panasonic
Rate :
Price : $285.10
Post Date : Oct 17, 2011 04:12:14
Usually ships in 1-2 business days



Panasonic Lumix DMC-FZ40 14.1 Megapixel Bridge Camera - 4.50 mm-108 mm - Black DMCFZ40K Digital Cameras

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