Timelapse video workflow

Timelapse video workflow

Timelapse Video Workflow

Overview This article documents a complete, high-quality timelapse workflow for aurora and night-sky photography, based on RAW still images captured with long exposures (1–4 seconds per frame). The workflow focuses on: Preserving image quality using 16-bit TIFF Building 8K master timelapse videos Achieving natural, cinematic motion Using DaVinci Resolve Studio and AI interpolation tools effectively Managing large time gaps (1–2 seconds) between frames The goal is to avoid a slideshow look and instead create fluid, continuous motion that feels closer to real aurora movement.

Source Material Camera: Canon R5 Format: RAW stills (CR3) Exposure: 1–4 seconds per frame Interval gaps: up to 1–2 seconds Resolution: Full sensor resolution → 8K output All RAW processing is done before video assembly, ensuring maximum quality throughout the pipeline.

Step 1 — RAW Development (Photoshop / Lightroom) Process all RAW files consistently: Noise reduction (luminance + chroma) Lens correction (vignetting, distortion) White balance tuned for aurora Exposure normalization (avoid flicker) Export settings: Format: 16-bit TIFF Color space: ProPhoto RGB (preferred) or AdobeRGB Resolution: Native R5 resolution or resized to 8K UHD (7680×4320) Compression: None or LZW (lossless) Why TIFF: 16-bit depth preserves smooth aurora gradients Avoids banding common with 8-bit JPEG Ideal for color grading and interpolation later

Step 2 — Project Setup in DaVinci Resolve Studio Project Settings: Timeline resolution: 7680 × 4320 (8K UHD) Timeline frame rate: 24 fps (cinematic) or 30 fps Color processing: 32-bit float Color management: DaVinci YRGB or YRGB Color Managed Resolve Studio supports 16-bit TIFF natively — no downgrade required.

Step 3 — Import as Image Sequence Media Pool → Import Media Select the first TIFF Enable Image Sequence Resolve groups all stills into a single clip, behaving like a video sequence.

Step 4 — Performance Optimization (Important for 8K) 8K TIFF sequences are heavy. For smooth editing: Generate Optimized Media (ProRes or DNxHR HQX) Enable Proxy Mode (Half or Quarter) Set Render Cache to Smart or User Use SSD storage for media and cache This does not affect final output quality.

Step 5 — Motion & Transition Strategy There are three complementary approaches, often combined. A. Optical Flow (Natural Motion) For realistic aurora flow: Inspector → Retime and Scaling Retime Process: Optical Flow Motion Estimation: Enhanced Better (Speed Warp for short showcase sections only) This interpolates in-between frames to reduce stepping.

B. Cinematic Dissolves (Artistic Flow) For poetic, film-like transitions: Recommended transitions: Cross Dissolve (default) Film Dissolve (richer tonal blend) Additive Dissolve (aurora glow accent) Best practice: Keep dissolves short (3–5 frames) Longer dissolves only for major scene changes Avoid uniform transitions everywhere

C. Transition Map (Story Rhythm) Use transitions intentionally: Opening: Cross Dissolve only Build-up: Mix Cross + Film Dissolve Peak activity: Additive Dissolve sparingly Ending: Return to Cross Dissolve, long fade-out This creates visual pacing rather than random blending.

Step 6 — AI Interpolation (Recovering Missing Motion) Built-in (Resolve) Optical Flow / Speed Warp Good for small gaps Slower and less stable for chaotic aurora motion External AI (Recommended for 1–2s gaps) Topaz Video AI excels at reconstructing organic motion. Best models: Chronos v2 HQ — aurora curtains, smoke, water Interpolate: 24 → 48 fps (cinematic smoothness) 24 → 60 fps (near real-time feel) Optional: Light denoise Very mild sharpening Add 2–3% grain to prevent banding after compression

Step 7 — Hybrid Workflow (Best of Both Worlds) Assemble & grade in Resolve Apply Optical Flow for preview Export Pre-Topaz Master (ProRes / DNxHR, 8K, 24 fps) Interpolate in Topaz Video AI Re-import into Resolve Add sound, titles, final trims This avoids long Speed Warp renders while achieving superior final motion.

Step 8 — Rendering Presets 8K Archival Master Format: QuickTime Codec: ProRes 422 HQ / DNxHR 444 Resolution: 7680 × 4320 Frame rate: 24 / 48 fps Quality: Best Purpose: long-term archive, future re-edits.

4K Delivery Version Format: MP4 Codec: H.265 Resolution: 3840 × 2160 Bitrate: ~40 Mbps Frame rate: Match master Purpose: YouTube / Vimeo / exhibition playback.

Why AI Matters in Timelapse Traditional transitions only blend frames. AI interpolation reconstructs motion that was never captured. For aurora timelapse with long exposures and gaps: Dissolves = visual smoothing Optical Flow = partial motion recovery AI interpolation = true motion reconstruction Used carefully, AI transforms timelapse from a slideshow into cinematic motion.

Final Notes This workflow prioritizes: Maximum image quality Natural aurora motion Flexible creative control Long-term archival value It is modular — you can simplify or expand depending on hardware, time, and artistic intent.