A routine that changes the appearance of an image or part of an image by altering the shades and colors of the pixels in some manner. Filters are used to increase brightness and contrast as well as to add a wide variety of textures, tones and special effects to a picture.
Original
The original painting was photographed and scanned into the computer. The following images were created in Photoshop by applying a filter to the original. (From "Moonlit Gladiolas" by Barbara Postel. Image courtesy of Pyramid Studios, www.artistexpo.com)
Gaussian Blur Filter
Solarizing Filter
Find Edges Filter
Glowing Edges Filter
Embossing Filter
Changing Expressions
It is widely known that image editing can make sweeping changes as in the picture sequence before this one. But subtle changes are also possible. Look at the eyes in the original picture (top) compared to the bottom, which was changed in Corel's PhotoPaint using the Mesh Warp filter. (Image courtesy of Corel Corporation.)
Original
The original painting was photographed and scanned into the computer. The following images were created in Photoshop by applying a filter to the original. (From "Moonlit Gladiolas" by Barbara Postel. Image courtesy of Pyramid Studios, www.artistexpo.com)
Gaussian Blur Filter
Solarizing Filter
Find Edges Filter
Glowing Edges Filter
Embossing Filter
Changing Expressions
It is widely known that image editing can make sweeping changes as in the picture sequence before this one. But subtle changes are also possible. Look at the eyes in the original picture (top) compared to the bottom, which was changed in Corel's PhotoPaint using the Mesh Warp filter. (Image courtesy of Corel Corporation.)
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Secunia: Less than 2% of Windows PCs fully patched
- It's long been established that the unpatched state of the Windows monoculture is the reason we are facing a malware epidemic. Yet, the latest vulnerability patching statistics from Secunia's PSI Personal Software Inspector is a major eye-opener for everyone tracking the security of the Windows ecosystem. According...
- Blog posts 2008-12-04
- Holiday Gift Guide 2008: High-end home theater setups
- Economy be damned, you want to upgrade your home theater—and do it right—for the holidays (and/or in anticipation of the Super Bowl). If you have the means to spend more than two grand on a set and the hundreds and hundreds more to round out your setup with primo components,...
- Blog posts 2008-12-03
- Save water, save energy, save money, save manpower
- Click to see full image. Remotely directed irrigation controller. Courtesy HydroPoint. Moving water around uses a lot of energy in the United States and many other agricultural nations. A Petaluma, California, firm is selling digital control systems that can save both water and...
- Blog posts 2008-12-03
- Novell updates PlateSpin and rebrands Orchestrator
- Richard Whitehead, one of the interesting people from Novell I speak with on an irregular basis, contacted me to tell me about an update to the PlateSpin portfolio and how Novell the PlateSpin product family and the former ZenWorks Orchestrator have been rebranded. Novell's products in the area of virtualization...
- Blog posts 2008-12-03
- Yahoo: Going private trial balloon floated; Is private equity the solution?
- Former AOL Chief Jonathan Miller is looking in the couch cushions to raise enough money to buy a part--if not all of Yahoo. According to the Wall Street Journal, Miller has been talking to private equity folks and sovereign wealth funds to buy Yahoo for about $20...
- Blog posts 2008-12-02
- Who put the 'crap' in 'Crapintosh'?
- Zack Whittaker has taken a few days off to "get his head together", so in the meantime his best friend, Elliot Harrison, has stepped up to the firing squad to cover this week. The hate campaign certain Windows users have against Macintosh users must ...
- Blog posts 2008-12-02
- Apple: Mac users should run multiple anti-virus
- One of Apple's better Mac vs PC ads features a strong message that Windows computers are a magnet for viruses malware but Macs are automatically protected. As PC "ah-choos" his way through an infection, Mac offers a tissue and smugly infers that he's immune to the...
- Blog posts 2008-12-01
- The Paparazzi Social Media Problem
- Jevon McDonald, someone whose opinions I rate highly, has posted a stellar piece on 'The uncertain future of Blogging' today. The idea of user-generated content was once almost exclusively owned by blogging. Blogging was the conversation, blogging was the vehicle, blogging was the...
- Blog posts 2008-12-01
- The Simpsons lampoon Apple
- No one is safe from satire on The Simpsons. The animated series, which just began its 20th season, has lampooned just about every large company, celebrity and pretty much every aspect of pop culture. Last night's episode featured a six minute segment that parodied Apple Inc. at...
- Blog posts 2008-12-01
- The App Store hits a milestone: 10,000 apps
- The App Store, the aisle of Apple's iTunes Store devoted to selling software, reached a big milestone some time over the Thanksgiving weekend (here is the U.S.) adding its 10,000th application. That's a far cry from the 552 apps that were available when the App Store launched...
- Blog posts 2008-11-30
- Surveys show consumers love HDTVs, but show some confusion about HD programming
- Two recent research studies have found that the demand from U.S. consumers for HDTVs hasn't slackened despite the tough economy, but confusion remains about what you do with the TV once the set is purchased. You would presume that people are seeking out HDTVs in order to...
- Blog posts 2008-11-30
- Google: no evidence of a Gmail vulnerability
- Following the speculations on the resurrection of what's thought to be an already fixed Gmail flaw which could assist in domain name hijackings, yesterday Google commented that their investigation indicated that the recent domain hijacks should be attributed to a phishing campaign, rather than to a Gmail flaw. The phishers...
- Blog posts 2008-11-26
- YouTube getting ready for full length, wide-screen movies?
- It was reported a couple weeks ago that Google is finalizing a deal that will allow users to stream full length movies on YouTube from some film studios. There are two things that Google needs to address in order to make this a success -- support for higher quality...
- Blog posts 2008-11-25
- I want an iPhoneStormDroid
- Wind River's Multicore Software Hypervisor solution permits multiple embedded OSes to run on a single device. Wouldn't it be great if you didn't have to actually choose between an iPhone, a BlackBerry, or a Google Android? What if all those device operating...
- Blog posts 2008-11-25
- A look at Opera Mini 4.2 beta running on the T-Mobile G1
- While browsing the Android Market yesterday I found Opera Mini 4.2 beta ready for download. Last night I put together a video showing the browser in action and browsing along with the default G1 browser. You can also check out my image gallery for screenshots of the Opera Mini 4.2...
- Blog posts 2008-11-25
- Image Gallery: Opera Mini 4.2 beta on the T-Mobile G1
- One of the main strengths of the Google Android OS is the "openness" of the platform. Evidence of that became apparent today in one respect with the release of the Opera Mini 4.2 beta web browser that you can use on your device with the Google default browser. Opera Mini...
- Image galleries 2008-11-25
- Text analytics helps find what you're searching for
- As search becomes more and more of a commodity, many people are beginning to ask “what’s next” for the enterprise search industry. The answer may lie with the fast-evolving area of text analytics, says Lexalytics' Jeff Catlin. Commentary--Enterprise search is still growing, evolving and improving....
- News items 2008-11-24
- Enterprises can leverage cloud models and manage transition risks using service governance, says HP
- Cloud and on-premises compute grids exploit breakthroughs in technology architecture and the confluence of new business models, this is clear. In times when every dollar counts more than ever, the enticements to experiment with cloud models is powerful. At the same time, there is very little margin for error. Adopting...
- Blog posts 2008-11-24
- Benchmarks: AMD's 45nm 'Shanghai' Opteron
- AMD's 'Shanghai' processors are the company's first chips to utilize the improved performance and efficiency of 45nm technology. ZDNet Germany tests show that they have made up important ground on Intel Xeon chips. AMD's 'Shanghai' processors are the company's first chips to utilize the improved performance and efficiency of...
- News items 2008-11-24
- The case for Scala
- Programming languages are like screwdrivers for developers. One size does not fit all, so good programmers keep several in their tool belt. The problem is, new languages are coming out all the time and you've only got so much room on your belt and in your schedule to learn them....
- Blog posts 2008-11-24
Neighboring Terms
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
Fusion
- There’s a new energy coming from the people of AMD. Its the power of Fusion.
- Learn about the power of fusion at work and the industry-changing impact of accelerated computing.
-
- View AMD video, case studies, blogs, forums, and more on ZDNet »
-
