HDR Exposure Bracketing & Tone Mapping Studio

Viewing: 32-bit Floating-Point HDR Composite (Tonemapped)

-2 EV (Underexposed) Preserves Solar Disk & Clouds

0 EV (Base Exposure) Camera Mid-Tone Metering

+2 EV (Overexposed) Deep Shadow & Ridge Detail

Merged HDR Full 14.2 EV Radiance Map

Combined Dynamic Range

14.2 EV

vs 9.5 EV single frame

Highlight Clipping

0.4%

Solar disk speculars only

Shadow Clipping

1.2%

Preserved deep valleys

Tonal Luminance Histogram (Simulated 256 Bins) RGB Weighted Radiance

Tone Mapping & Operator Controls

Tone Compression 0.65

Compresses wide 32-bit float radiance into displayable 8-bit range

Contrast 'Drama' 0.40

Local Laplacian micro-contrast and edge separation

Highlight Recovery Weight 0.88

Gaussian blending weight for -2 EV bracket highlights

Shadow Detail Weight 0.85

De-noised integration factor for +2 EV bracket shadows

Why Bracket? Single exposures blow out the bright sunset sky or turn the foreground mountain into pure black clipping. Merging 3 frames captures the full 14.2 EV scene span into a float radiance buffer.

Processing Telemetry

Scene High Contrast Sunset Landscape

Bracket Range -2EV / 0EV / +2EV

Pipeline Depth 32-bit Floating Point

Operator Modified Reinhard & Bilateral

Radiance Map Status HDR Composite Ready