4DGS CVVDP Video Fine-tune

Experiment: hypernerf_cvvdp_video_ft_8scene_20260703_193014
Comparison: baseline checkpoint fine-tune with original loss vs original + CVVDP video loss, 2k iterations, clip_len=25, lambda=0.05, train-split video eval first 100 frames.
Avg delta CVVDP JOD
+0.120
Avg delta test PSNR
-0.308
Avg delta test L1
+0.00226
Avg delta train PSNR
-0.258
SceneOrig JODCVVDP JODDelta JODOrig PSNRCVVDP PSNRDelta PSNROrig L1CVVDP L1Delta L1Frames
aleks-teapot8.4908.668+0.17826.46026.218-0.2420.025520.02704+0.00152100
americano8.8649.056+0.19228.34426.796-1.5470.022680.03578+0.01309100
espresso9.2919.372+0.08125.60025.573-0.0270.021330.02176+0.00043100
hand1-dense-v28.4568.623+0.16730.05829.798-0.2600.019840.02061+0.00077100
split-cookie9.3969.486+0.09030.08330.029-0.0540.016970.01726+0.00028100
tamping9.5019.538+0.03724.06124.034-0.0260.038100.03827+0.0001785
torchocolate9.2099.290+0.08126.64126.517-0.1240.018970.01963+0.00066100
vrig-peel-banana7.9338.069+0.13527.74827.568-0.1800.024670.02583+0.00116100

aleks-teapot

Delta: JOD +0.178, test PSNR -0.242, test L1 +0.00152

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

americano

Delta: JOD +0.192, test PSNR -1.547, test L1 +0.01309

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

espresso

Delta: JOD +0.081, test PSNR -0.027, test L1 +0.00043

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

hand1-dense-v2

Delta: JOD +0.167, test PSNR -0.260, test L1 +0.00077

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

split-cookie

Delta: JOD +0.090, test PSNR -0.054, test L1 +0.00028

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

tamping

Delta: JOD +0.037, test PSNR -0.026, test L1 +0.00017

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000042 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000084 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

torchocolate

Delta: JOD +0.081, test PSNR -0.124, test L1 +0.00066

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

vrig-peel-banana

Delta: JOD +0.135, test PSNR -0.180, test L1 +0.00116

GT

Original render

CVVDP render

Original abs error

CVVDP abs error

CVVDP video heatmap

Frame 000000 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000050 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Frame 000099 diagnostics

GT
GT
Render
Render
Abs error
Abs error
Video heat
Video heat

Visual Audit

8-scene mid-frame overview

8-scene visual audit