Module 5D: Post-Production Workflow

RAW Capture & Its Advantages

• Shooting in RAW vs. JPG
  • RAW = lossless; preserves all sensor data.
  • Enables multiple, high-quality file-type conversions for differing outputs.
  • Workflow in this module assumes RAW capture only; JPG workflow not covered.
• Practical implications
  • Greater latitude in exposure, color, and tonal recovery during post.
  • Future-proofing: RAW retains maximum resolution and uncompressed data, ensuring flexibility for repurposing images.

Initial RAW Editing Workflow (Pre-Conversion)

• Sequence after download & backup
  • Open RAW files in calibrated-monitor environment.
  • Perform global quality evaluations before committing to a file format.
• Key diagnostic areas
  • Exposure
  • White balance
  • Contrast
  • Saturation & color intensity
  • Overall artistic intent

Exposure Assessment & Correction

• Global exposure tweak = overall lightness/darkness shift.
• Highlight/shadow recovery
  • Adjust highlight slider to regain detail in blown areas.
  • Adjust shadow or blacks slider to retrieve detail in dense areas.
• Ethical/practical angle: Maintain realism—avoid haloing or banding that signals over-processing.

White Balance (WB)

• Variables at capture (mixed lighting, color temperature shifts) often require post correction.
• Batch-editing strategy
  • Group images shot under identical lighting; apply a single WB correction for uniform color.

Contrast Management

• Purpose: Prevent "muddy" midtones; add depth.
• Mechanism
  • Increasing contrast = darker darks & lighter lights.
  • Risk: Exaggerated contrast blocks shadows & clips highlights.

Saturation & Color Intensity

• Boost subtlely to revive flat, dull scenes (e.g., overcast portraits).
• Down-tune oversaturated scenes or prep for B&W.
• Over-saturation warning: quickly looks artificial.

Black-and-White (B&W) Conversion Strategies

• Best practice:
  • Capture RAW ➜ desaturate ➜ save in preferred color mode.
• Keep file in RGB instead of grayscale
  • Retains three channels for selective tonal control.
  • Rule: Adding brightness in one channel lightens that color & darkens the two opposites on the color wheel.
  • Example: Manipulating the green channel lightens greens & darkens reds/blues.
• Tonal-contrast trick: Choose a channel opposite to subject color for emphasis.

RAW Conversion to Working Files

• Export only once and at camera’s full native resolution to avoid redundant editing.
• Post-conversion editing continues for aesthetic polish.

File Formats for Editing

• PSD (Photoshop Document)
  • Uncompressed, lossless, proprietary Adobe format.
  • Can be closed without flattening; layers preserved.
  • Convert for delivery via “Save As.”
• PSB (Photoshop Big)
  • Designed for huge files: up to $300,000\times300,000$ pixels & $300\text{GB}$.
  • Contrast: PSD limited to $30,000\times30,000$ pixels & $2\text{GB}$.
• TIFF (Tagged Image File Format)
  • Industry-standard, non-proprietary.
  • Supports lossy or lossless, compressed or uncompressed.
  • Can keep layers; flatten/convert on export.
• DNG (Digital Negative)
  • Universal, lossless RAW container.
  • Embeds metadata; no separate side-car file.
  • Edits write directly into file → keep untouched originals for safety.
• JPG
  • Lossy; small file size for web/quick delivery.
  • Each save incurs data loss; layers must be flattened → poor for serious editing.

Local Adjustment Techniques

• Dodge & Burn
  • Dodge = lighten; Burn = darken localized areas.
  • Functions: reduce distractions, emphasize subject, sculpt light.
• Vignetting
  • Subtle darkening/lightening of corners to keep viewer’s eye in frame.
  • Postpone until final crop established.

Image Clean-Up & Retouching

• Common editing goals
  • Remove distractions (trash cans, signage, litter, stray people).
  • Add or replace elements for aesthetics (e.g., fill blotchy foliage).
• Core tools & behavior
  • Clone Stamp: exact pixel duplication from Source ➜ Destination.
  • Healing Brush: clones and blends tonal/color values for seamless patch.
  • Content-Aware Fill: software analyzes surroundings; auto-synthesizes replacement pixels.
• Skin retouching advice: Use low opacity & soft brushes on new layers for natural results.

Layer-Based Workflow & Non-Destructive Editing

• Place edits on separate adjustment layers.
  • Preserves original background layer.
  • Opacity slider enables subtle blending between edited & original values.
• File types that preserve layers with zero quality loss: $\text{.psd}$ and $\text{.tiff}$.

Final Edits Prior to Delivery

• Rationale: Clients request multiple sizes/media; hold certain steps until specs are known.

Cropping

• Shoot slightly loose; edit fully first; crop last to accommodate horizontal/vertical needs.

Sharpening

• Should match final output size and viewing distance.
• Workflow warning
  • Skip heavy sharpening during RAW conversion.
  • Apply as one of the final steps.
  • Over-sharpening ➜ halos, pixelation, diminished print quality.

Resolution & Scaling Strategy

• Maintain master file at maximum resolution.
• Downsize or resample after editing to meet task (web, magazine ad, large print).
• Professional standard: prevents costly re-edits when usage changes.

Ethical, Philosophical, & Real-World Implications

• Realism vs. artistic license: Balance enhancement with authenticity, especially in journalism or documentary contexts.
• Client trust: Non-destructive, reversible workflows (layers, DNG originals) ensure transparency and future revisions.
• Archival responsibility: Storing high-res, lossless masters safeguards legacy and upholds professional quality.

Quick Reference Cheat Sheet

• Always calibrate monitor before editing.
• Batch-apply white balance on similar lighting sets.
• Export RAW at largest native dimensions: $\text{pixel\;count}_{\max}$.
• Save master edits as $\text{PSD/TIFF}$ with layers.
• Delay crop & sharpen until output specs confirmed.
• Preserve originals (RAW or untouched DNG) offline/backed-up.