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Jim Hoerricks is the Senior Forensic Video Analyst for the Los Angeles Police Department's Scientific Investigation Division, a Photoshop instructor, an author, and a court qualified expert witness in Forensic Video Analysis. His site, Forensic Photoshop, contains lots of interesting posts and tutorials that deal with using Photoshop for forensic work.
Jim established the LAPD's Forensic Video Lab in 2001, has been the lead analyst on many of the LAPD's high-profile cases, and helped set the standard by which video evidence is handled by the department. Jim has also written a book, Forensic Photoshop.
We are pleased to offer some of his Photoshop CS3 tutorials and articles.
Photoshop CS3 Tutorials By Jim Hoerricks - LAPD Forensic Expert
Forensic Photoshop Tutorial - Sharpening in LAB mode
I've received a few e-mails from folks asking for a demonstration on sharpening in LAB mode. With this technique, we are going to be targeting just the Lightness Channel - affecting only the lightness values in the image.
In today's image, detail is important. In a structural failure such as this, I want to highlight the sources of that failure. In this case, the bridge's details, the torn and twisted metal, the bent rebar, and the broken concrete all have a part to play in the telling of this story. I also want to make sure that the items in the water receive attention.
Forensic Photoshop Tutorial - Custom Filters Explained
If you are a fan of High Pass sharpening like me, you've probably passed the Custom filter on a daily basis. You may have even opened it up to see what it does. Then, after seeing this spreadsheet looking thing, clicked cancel and haven't given it a thought since. Let's take a look at a couple of effects that can be produced using custom filters.
Forensic Photoshop Tutorial - Info Palette - An Analyst's Best Friend
There are times, as an artist or photographer, that I want to create a certain look and feel with an image - warm, hot, cool, cold, and etc. These types of temperature issues can help set the mood and convey a certain message. Look at the images used in advertising and you'll see what I mean. Johnny Walker's Blue Label is a different blue than LA Dodger Blue. The difference is in the brightness value (HSB). Dial down the brightness of any colour to cool it off.
In Forensic science, numbers are king. Regardless of my monitor's state of repair, or my calibration method, if I sample an image I will be able to determine the RGB values for a particular pixel within Photoshop.
Forensic Photoshop Tutorial - Simple Noise Removal Tip
In this Photoshop tutorial we'll look at a semi-destructive way to remove colour noise. I say semi-destructive because even though we are using a "painting tool," the content and context remains unchanged. Working from a layer copy and hiding the original, we're simply removing the noise in this image the easy way.
Forensic Photoshop Tutorial - Using Layers To Speed Things Up
Here's an older technique that still works well. A question came in about working some scans of photos from an old case file. The negatives had long since been lost, but the prints were still in the file and needed to be scanned and cleaned up. The agency hasn't upgraded to a CS version of Photoshop. What to do?
Forensic Photoshop Tutorial - Working With Quicktime Movies
A question came in about working with video in Photoshop CS3. The answer to "how do I get the video back out of Photoshop once I'm finished?" prompted a discussion that I'll share with you.
Forensic Photoshop Tutorial - Local Contrast Control with the Sponge Tool
This tip is a fun one: using the Sponge Tool to control local contrast. To bring out the details in an image, I can use an curves/levels adjustment layer. I can further refine that adjustment with masks. With the Sponge Tool, I can target specific areas of the image quickly. Working on a separate layer, I can apply these edits non-destructively.
Forensic Photoshop Tutorial - Using Calculations For Black & White Conversion
Sometimes we find it necessary to convert our images to grayscale. There are a few different methods available to us that yield different results. You've probably heard that simply choosing Grayscale from the Image menu is not the best way to go about it. This produces similar results as converting the image to LAB mode then selecting only the Lightness channel. You may have also worked with the Channel Mixer or CS3's new Black and White adjustment layer tools.
I like Calculations for several reasons. I can use it for masking and I can use it for black and white conversions. By using it for black and white conversions, I have an incredible amount of control over the final look of the image. I also have the ability to create a new document from the results, thus preserving my original. Let's take a look.
Photoshop CS3 Tutorial - Working With Auto Levels In Adjustment Layers
Forensic Photoshop Tutorial - Tool Presets
Forensic Photoshop Tutorial - Disabled Layer Masks
Forensic Photoshop Tutorial - Merge Visible Layers
Correcting Color Shifts
Photoshop CS3 Upgrade Options And Bundles From The Adobe Store
Photoshop CS3 Extended is ideal for film, video, and multimedia pros and for graphic and web designers using 3D and motion. Get the full version for US $999, or upgrade for US $349. The standard version of Photoshop CS3 is available for US $649, or as an upgrade for US $199. See all upgrade options at the Adobe Store. See our CS3 Resource Center for free Photoshop CS3 tutorials.
Photoshop Extended is also available as part of Adobe Creative Suite 3 Design Premium, which combines all-new CS3 versions of Photoshop, Flash Pro, Dreamweaver, Illustrator, InDesign and Acrobat 8 Pro. Upgrade options for customers in Europe, the UK, Australia, New Zealand and Asia can be found at the Adobe International Store.
Adobe Photoshop Lightroom Available At The Adobe Store
There are tons of new features in Adobe Lightroom 1.0 that you won't find in the beta version. From Clone and Healing functionality to metadata browsing, you'll be able to free-up post-processing time like never before. Get it now at the Adobe Store. Customers in Europe, the UK, Australia, New Zealand and Asia can find special pricing and offers at the Adobe International Store. For free Lightroom tutorials see our Lightroom tutorials page.
Special Offer - Fluid Mask - Photoshop Masking Plugin
Fluid Mask is based on breakthrough segmentation technology inspired by the way the eye, optic nerve and brain perform visual processing. When an image is loaded, Fluid Mask's segmentation engine analyses the distribution of colors, finding the natural groups within the image. Together with information calculated about edges, gradients and textures, a model is constructed which divides the images into objects.
Vertus Software is offering Fluid Mask at the special 'friends and partner' discounted rate. This is an exclusive offer to visitors of PhotoshopSupport.com. To qualify, visit the Fluid Mask Discount Price page. Find out more about Fluid Mask on our special Fluid Mask Page.
SiteGrinder Photoshop Plugin - Create Websites Instantly
There often seems to be a strict division of labor within the world of web design and development. Creative professionals tend to stick to the Photoshop domain, while those well-versed in scripting are left to the task of implementing their work. Indeed, the two realms are quite different from each other, to which any of us even vaguely familiar with either can easily attest.
Essentially, Photoshop is a no-holds-barred design studio, offering the artist a seemingly endless array of creative options. On the other hand, HTML, CSS, Java and the like follow strict rules of engagement, requiring the developer to take any number of esoteric concerns into consideration in order to ensure that designs are properly displayed on the web.
Turn Photoshop Into A Complete Web Design Tool
SiteGrinder seeks to bridge this gap between design and development. Basically, this program turns Photoshop into an easy-to-use and fully functional web design tool. With SiteGrinder, designers will now have the freedom to totally let their creativity loose and then, without skipping a beat, transfer their designs to the web. Bringing esthetic concerns together with more practical considerations, this program is an amazingly powerful tool that would make a fantastic addition to any web designer's bag of tricks.
Generate Your Web Pages Directly From Photoshop
By generating web pages directly from Photoshop, you'll be able to spend much more time on the creative end of the spectrum, since you'll know right off the bat how well particular designs will translate to the web. No more going back to the Photoshop drawing board after getting a phone call from your development team, telling you that what you had envisioned doesn't have a chance of being displayed on the web. You can immediately visually and interactively test your designs, which permits you to then make changes to either esthetics or functions while it's still relatively early on in the design process.
Pricing and Availability
Mac OS X and Windows versions of the SiteGrinder unlockable demo are available now via download. SiteGrinder can be ordered from Media Lab's online store.
Photoshop CS3 Book - CS3 Essential Skills - By Mark Galer And Philip Andrews
Brimming with beautiful pictures, Photoshop CS3 Essential Skills guides you through a project-based, progressive curriculum so that you can build all the essential skills to enhance photographs creatively and professionally with Photoshop CS3. If you are an aspiring professional, enthusiastic amateur photographer, or a student learning photography, digital imaging, art and design, or design graphics, you'll be amazed at the stunning results you can achieve. A DVD is included free.
The Essential Skills Photography Series from Focal Press uniquely offers a structured learning experience for photographers of all ages, with both the underlying theory and loads of invaluable 'how to' and real-life practice projects - all from the most talented photography practitioners/educators in the world.
Read 2 free sample chapters:
Adjusting Exposure in Adobe Camera Raw CS3
Photoshop CS3 Tutorial High Dynamic Range
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Photoshop CS2 Book - Photoshop CS2: Essential Skills - By Mark Galer And Philip Andrews
An inspirational and user-friendly guide to creative image editing, Photoshop CS2: Essential Skills provides direction for photographers and designers alike who have ventured into the realm of the 'digital darkroom.' The book offers a progressive curriculum to guide you through Photoshop with a series of clear, step-by-step projects designed to place knowledge into a practical context.
Whether you simply want to retouch an image, create a glamour makeover or create a highly sophisticated montage - this book will give you the essential skills to complete the work to a professional standard.
Read 2 free sample chapters:
How To Sharpen An Image In Photoshop — Advanced Sharpening Techniques
Working With Shadows In Photoshop - Advanced Shadow Techniques
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Photoshop CS2: Essential Skills (Amazon.com - $20.76 - save 37%)
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Total Training for Adobe Photoshop
Learn Adobe Photoshop with 21 hours of interactive Adobe Photoshop tutorials. This is training for real-world situations and includes additional tips and techniques used by the pros.
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