SlowGuess/NeurIPS_2023_OCR huggingface dataset:
Table 29: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 1 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
OF [46]	4.355 / 0.609	2.488 / 1.225	2.361 / 0.510	8.043 / 0.733	1.491 / 0.742	0.790 / 0.435	1.508 / 0.544	2.823 / 0.853	2.982 / 0.706
DeepSDF [54]	4.253 / 0.555	2.324 / 1.181	5.680 / 0.554	8.042 / 0.729	1.460 / 0.736	0.752 / 0.389	1.435 / 0.495	3.109 / 0.792	3.382 / 0.679
NDF [14]	1.754 / 0.934	2.137 / 1.102	2.215 / 0.673	10.433 / 0.871	1.754 / 0.934	1.082 / 0.541	1.615 / 0.605	2.821 / 0.991	2.976 / 0.831
NeuS [77]	3.831 / 0.372	2.582 / 0.885	3.376 / 0.920	8.022 / 0.630	1.282 / 0.665	1.771 / 0.918	1.238 / 1.816	4.948 / 1.053	4.756 / 0.907
DS-NeRF [19]	220.846 / 0.683	207.933 / 2.032	4.471 / 0.900	8.822 / 0.713	258.896 / 0.955	0.735 / 0.441	205.93 / 1.556	30.529 / 1.801	117.270 / 1.135
LFN [64]	64.599 / 0.517	84.757 / 25.252	182.662 / 11.008	21.466 / 2.894	65.227 / 3.671	132.122 / 68.971	84.327 / 8.184	80.24 / 4.952	89.425 / 15.681
PRIF [23]	12.528 / 0.416	21.911 / 4.827	20.889 / 0.502	22.712 / 1.091	12.088 / 0.856	27.121 / 2.129	24.370 / 2.664	24.489 / 0.930	20.764 / 1.677
RayDF (Ours)	3.807 / 0.312	3.310 / 0.958	2.914 / 0.543	7.255 / 0.733	1.095 / 0.702	1.604 / 0.617	3.571 / 0.644	3.544 / 0.792	3.388 / 0.663
Table 30: ADE↓ scores of all baselines and our method in experiments of Group 2 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
NeuS [77]	7.15	10.97	18.78	3.28	7.97	7.53	13.95	27.13	12.10
DS-NeRF [19]	9.81	15.47	18.02	6.72	10.90	18.77	19.78	17.62	14.64
LFN [64]	6.70	15.46	20.28	4.40	13.67	12.35	10.85	14.95	12.33
PRIF [23]	7.51	19.20	25.25	5.37	13.02	16.24	13.29	16.57	14.56
RayDF (Ours)	4.92	9.46	12.85	2.96	8.11	6.23	7.54	13.25	8.17
Table 31: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 2 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
NeuS [77]	3.817 / 0.363	2.655 / 0.836	3.220 / 0.849	7.562 / 0.641	1.175 / 0.666	1.658 / 0.909	11.786 / 1.913	5.421 / 1.056	4.662 / 0.938
DS-NeRF [19]	295.445 / 1.931	142.057 / 2.192	2.969 / 0.775	214.536 / 1.603	209.45 / 0.976	29.646 / 2.072	4.697 / 0.725	247.558 / 3.802	143.295 / 1.760
LFN [64]	65.602 / 0.516	8.036 / 1.962	37.458 / 0.480	14.783 / 0.753	120.065 / 0.992	71.93 / 1.367	134.494 / 2.648	29.944 / 1.122	60.289 / 1.230
PRIF [23]	14.612 / 0.496	20.627 / 4.971	20.991 / 0.507	20.297 / 0.889	12.963 / 0.897	26.497 / 2.308	24.979 / 2.441	29.265 / 1.037	21.279 / 1.693
RayDF (Ours)	3.629 / 0.306	3.433 / 1.278	3.419 / 0.587	7.253 / 0.733	1.372 / 0.802	1.551 / 0.659	1.798 / 0.813	3.907 / 0.858	3.295 / 0.755
Table 32: PSNR $\uparrow$  scores of all baselines and our method in experiments of Group 2 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
NeuS [77]	27.47	23.23	30.11	32.82	25.85	24.97	29.81	23.24	27.19
DS-NeRF [19]	29.77	23.38	23.02	32.80	28.58	23.21	28.11	24.18	26.63
LFN [64]	25.30	19.96	21.04	29.69	21.58	20.79	26.32	20.95	23.20
PRIF [23]	24.72	20.07	22.69	28.85	21.65	20.00	26.01	22.46	23.31
RayDF (Ours)	27.56	23.30	29.16	31.58	25.92	22.03	28.32	24.30	26.52
Table 33: SSIM $\uparrow$  scores of all baselines and our method in experiments of Group 2 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
NeuS [77]	0.914	0.911	0.968	0.957	0.873	0.900	0.966	0.800	0.910
DS-NeRF [19]	0.947	0.931	0.976	0.963	0.934	0.940	0.966	0.805	0.933
LFN [64]	0.890	0.890	0.963	0.948	0.815	0.855	0.954	0.785	0.888
PRIF [23]	0.878	0.866	0.934	0.933	0.807	0.847	0.950	0.780	0.874
RayDF (Ours)	0.925	0.915	0.966	0.959	0.877	0.872	0.961	0.810	0.910
Table 34: LPIPS↓ scores of all baselines and our method in experiments of Group 2 on the 8 scenes of Blender dataset.
Chair	Drums	Ficus	Hotdog	Lego	Materials	Mic	Ship	Avg.
NeuS [77]	0.108	0.096	0.029	0.068	0.114	0.080	0.037	0.250	0.100
DS-NeRF [19]	0.055	0.058	0.016	0.044	0.036	0.034	0.037	0.223	0.063
LFN [64]	0.140	0.117	0.032	0.074	0.187	0.117	0.063	0.267	0.125
PRIF [23]	0.157	0.181	0.075	0.090	0.207	0.149	0.062	0.292	0.152
RayDF (Ours)	0.100	0.093	0.030	0.063	0.125	0.103	0.039	0.239	0.099
Table 35: ADE↓ scores of all baselines and our method in experiments of Group 1 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
OF [46]	14.15	10.22	14.44	16.09	16.44	12.50	27.48	15.28	15.83
DeepSDF [54]	15.61	11.25	15.09	16.98	17.01	15.92	26.88	17.01	16.97
NDF [14]	19.27	12.02	22.24	23.92	21.91	20.53	37.93	21.44	22.41
NeuS [77]	7.77	4.34	9.57	12.12	6.94	17.43	13.08	8.28	9.94
DS-NeRF [19]	11.25	3.04	8.83	13.13	13.41	7.51	18.93	10.03	10.77
LFN [64]	14.71	16.16	8.11	25.07	16.58	17.20	23.88	24.65	18.30
PRIF [23]	12.06	5.06	10.22	14.10	12.74	10.15	18.71	12.10	11.89
RayDF (Ours)	6.24	3.79	5.30	10.63	7.08	6.96	11.44	7.81	7.41
Table 36: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 1 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
OF [46]	7.481 / 3.285	14.923 / 4.509	4.305 / 2.581	16.764 / 6.271	8.939 / 3.405	9.391 / 5.111	19.926 / 8.875	9.484 / 5.066	11.402 / 4.888
DeepSDF [54]	6.929 / 3.441	14.601 / 4.888	4.555 / 2.506	15.881 / 7.119	8.768 / 3.763	9.998 / 5.070	19.524 / 8.405	9.989 / 5.504	11.281 / 5.087
NDF [14]	7.096 / 4.299	15.821 / 4.784	4.386 / 3.102	17.745 / 7.737	9.745 / 4.472	10.468 / 5.432	22.141 / 10.802	10.999 / 6.662	12.300 / 5.911
NeuS [77]	7.524 / 2.814	17.435 / 3.991	4.968 / 2.573	18.510 / 6.408	8.361 / 3.205	11.481 / 4.945	21.992 / 8.144	11.684 / 4.880	12.744 / 4.620
DS-NeRF [19]	9.658 / 3.691	16.893 / 4.418	5.083 / 2.624	36.237 / 12.072	27.548 / 4.034	28.864 / 5.510	46.375 / 9.330	32.382 / 6.576	25.380 / 6.032
LFN [64]	8.640 / 3.514	18.880 / 4.830	5.037 / 2.687	20.162 / 7.927	9.717 / 3.710	10.929 / 5.739	21.077 / 8.654	14.939 / 5.914	13.673 / 5.372
PRIF [23]	16.864 / 3.382	25.057 / 4.437	19.999 / 2.437	24.584 / 7.444	33.328 / 3.749	26.009 / 5.160	32.373 / 8.452	29.732 / 6.212	25.993 / 5.159
RayDF (Ours)	7.499 / 3.140	17.766 / 4.755	4.926 / 2.773	18.463 / 7.639	9.414 / 3.628	10.632 / 5.714	20.698 / 8.785	24.777 / 6.389	14.272 / 5.353
Table 37: ADE↓ scores of all baselines and our method in experiments of Group 2 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
NeuS [77]	11.31	4.87	9.75	14.23	8.94	17.32	17.43	9.45	11.66
DS-NeRF [19]	11.14	3.48	8.36	13.83	13.10	7.75	18.92	9.56	10.77
LFN [64]	13.90	16.21	7.98	24.92	17.36	19.25	24.02	24.47	18.51
PRIF [23]	12.02	5.06	9.32	13.96	12.54	10.21	18.85	12.18	11.77
RayDF (Ours)	6.97	4.29	5.65	11.25	7.14	8.30	11.56	8.60	7.97
Table 38: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 2 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
NeuS [77]	7.389 / 2.938	18.841 / 4.064	4.844 / 2.401	33.349 / 11.617	8.665 / 3.238	11.375 / 4.921	23.56 / 8.307	12.11 / 4.978	15.017 / 5.308
DS-NeRF [19]	9.772 / 3.534	17.096 / 4.385	4.800 / 2.476	40.094 / 13.066	38.091 / 4.442	26.400 / 5.244	35.482 / 9.456	32.650 / 6.210	25.548 / 6.102
LFN [64]	8.534 / 3.325	19.550 / 4.791	4.984 / 2.762	21.543 / 8.158	10.024 / 3.673	11.081 / 5.720	20.770 / 8.516	16.191 / 5.844	14.085 / 5.349
PRIF [23]	23.415 / 3.328	23.450 / 4.302	24.105 / 2.368	24.322 / 8.452	27.253 / 3.434	24.142 / 5.386	29.527 / 8.167	22.524 / 5.813	24.842 / 5.156
RayDF (Ours)	7.596 / 3.137	17.220 / 4.406	4.851 / 2.698	18.586 / 7.737	9.213 / 3.642	10.589 / 5.673	21.189 / 8.879	24.766 / 6.227	14.251 / 5.300
Table 39: PSNR† scores of all baselines and our method in experiments of Group 2 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
NeuS [77]	33.73	37.71	29.98	33.97	36.21	30.69	31.08	32.39	33.22
DS-NeRF [19]	31.26	36.67	32.36	27.73	32.78	32.26	31.02	30.56	31.83
LFN [64]	30.77	33.82	32.29	30.48	32.61	29.47	29.08	28.35	30.86
PRIF [23]	31.15	35.09	31.62	30.89	32.71	29.89	28.19	28.57	31.01
RayDF (Ours)	27.98	31.07	31.23	25.03	35.91	29.27	31.47	30.57	30.32
Table 40: SSIM $\uparrow$  scores of all baselines and our method in experiments of Group 2 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
NeuS [77]	0.972	0.978	0.919	0.973	0.981	0.966	0.965	0.963	0.965
DS-NeRF [19]	0.982	0.989	0.967	0.958	0.982	0.981	0.979	0.976	0.977
LFN [64]	0.946	0.953	0.879	0.941	0.954	0.926	0.924	0.913	0.930
PRIF [23]	0.951	0.961	0.875	0.949	0.955	0.930	0.917	0.925	0.933
RayDF (Ours)	0.946	0.967	0.886	0.940	0.963	0.934	0.936	0.945	0.940
Table 41: LPIPS↓ scores of all baselines and our method in experiments of Group 2 on the 8 scenes of DM-SR dataset.
Bathroom	Bedroom	Dinning	Kitchen	Office	Reception	Restroom	Study	Avg.
NeuS [77]	0.038	0.037	0.126	0.052	0.028	0.052	0.054	0.043	0.054
DS-NeRF [19]	0.018	0.011	0.030	0.073	0.026	0.016	0.018	0.018	0.026
LFN [64]	0.088	0.095	0.201	0.099	0.064	0.107	0.110	0.122	0.111
PRIF [23]	0.083	0.080	0.212	0.092	0.069	0.112	0.131	0.111	0.111
RayDF (Ours)	0.092	0.078	0.217	0.107	0.083	0.113	0.121	0.093	0.113
Table 42: ADE↓ scores of all baselines and our method in experiments of Group 1 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
OF [46]	26.29	13.61	13.15	11.76	23.26	6.97	15.84
DeepSDF [54]	19.47	11.86	10.64	9.92	14.60	5.94	12.07
NDF [14]	31.13	20.47	21.89	17.23	29.38	12.79	22.15
NeuS [77]	25.75	15.76	17.79	15.58	17.50	10.82	17.20
DS-NeRF [19]	10.85	6.01	6.42	7.11	5.67	3.75	6.64
LFN [64]	10.50	5.22	6.07	6.90	5.58	4.90	6.53
PRIF [23]	13.98	9.36	9.66	9.17	12.54	7.21	10.32
RayDF (Ours)	8.66	4.26	5.33	5.29	4.50	4.46	5.42
Table 43: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 1 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
OF [46]	15.039 / 5.642	11.443 / 1.655	5.157 / 2.638	1.436 / 0.841	13.921 / 2.364	6.949 / 3.721	8.991 / 2.810
DeepSDF [54]	65.574 / 14.168	11.173 / 1.754	7.344 / 2.618	1.691 / 0.824	9.869 / 1.986	7.548 / 2.842	17.200 / 6.255
NDF [14]	88.485 / 27.523	5.893 / 3.227	13.861 / 6.474	2.973 / 1.400	20.873 / 5.331	13.503 / 6.130	30.436 / 8.348
NeuS [77]	47.561 / 9.331	55.437 / 2.791	25.592 / 3.288	15.536 / 1.809	26.199 / 2.500	12.526 / 2.908	30.475 / 3.771
DS-NeRF [19]	28.287 / 6.293	8.407 / 1.283	6.720 / 2.044	2.014 / 0.842	9.085 / 1.401	3.407 / 2.047	9.653 / 2.318
LFN [64]	17.777 / 4.443	5.931 / 1.125	3.921 / 1.699	3.256 / 0.704	10.824 / 1.189	4.194 / 2.026	7.651 / 1.864
PRIF [23]	62.527 / 7.605	15.450 / 1.926	9.499 / 2.386	6.030 / 0.909	12.951 / 1.557	11.515 / 2.583	19.662 / 2.828
RayDF (Ours)	33.872 / 4.804	5.755 / 0.963	4.863 / 1.724	0.841 / 0.567	11.931 / 1.100	5.842 / 1.930	10.517 / 1.848
Table 44: ADE↓ scores of all baselines and our method in experiments of Group 2 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
NeuS [77]	33.43	24.05	24.18	25.84	26.57	10.67	24.12
DS-NeRF [19]	12.18	7.99	7.01	8.00	6.87	5.00	7.84
LFN [64]	10.75	5.49	6.17	7.34	5.87	5.00	6.77
PRIF [23]	13.95	9.98	9.17	9.20	14.63	6.98	10.65
RayDF (Ours)	8.49	4.16	5.22	5.14	4.48	4.39	5.31
Table 45: CD  $(\times 10^{-3})\downarrow$  (mean / median) scores of all baselines and our method in experiments of Group 2 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
NeuS [77]	73.825 / 11.200	109.468 / 8.325	46.224 / 4.593	27.426 / 2.857	44.060 / 3.475	104.02 / 3.500	67.504 / 5.658
DS-NeRF [19]	39.896 / 7.466	6.186 / 1.487	7.052 / 2.171	2.170 / 0.992	11.084 / 1.484	5.434 / 2.638	14.642 / 2.950
LFN [64]	18.970 / 4.586	3.838 / 1.104	3.901 / 1.697	2.882 / 0.700	157.685 / 2.838	4.290 / 2.048	31.928 / 2.162
PRIF [23]	69.959 / 7.888	22.100 / 1.412	10.498 / 2.272	6.226 / 0.948	16.469 / 1.679	12.162 / 2.622	22.902 / 2.804
RayDF (Ours)	35.163 / 5.502	6.273 / 0.988	5.658 / 1.782	0.945 / 0.590	10.231 / 1.150	6.165 / 2.040	10.739 / 2.009
Table 46: PSNR $\uparrow$  scores of all baselines and our method in experiments of Group 2 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
NeuS [77]	28.01	24.11	27.91	25.62	26.06	30.29	27.00
DS-NeRF [19]	24.50	24.42	25.26	24.70	25.18	26.11	25.03
LFN [64]	26.91	28.71	29.12	27.96	28.27	27.87	28.14
PRIF [23]	20.83	20.64	22.45	20.03	21.06	21.80	21.14
RayDF (Ours)	30.61	33.48	31.31	32.10	32.37	29.59	31.58
Table 47: SSIM† scores of all baselines and our method in experiments of Group 2 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
NeuS [77]	0.826	0.837	0.769	0.833	0.806	0.831	0.817
DS-NeRF [19]	0.861	0.889	0.796	0.884	0.862	0.839	0.855
LFN [64]	0.794	0.872	0.770	0.858	0.817	0.775	0.814
PRIF [23]	0.724	0.785	0.711	0.729	0.731	0.700	0.731
RayDF (Ours)	0.848	0.912	0.797	0.903	0.870	0.805	0.856
Table 48: LPIPS↓ scores of all baselines and our method in experiments of Group 2 on 6 scenes of ScanNet dataset.
Scene0004_00	Scene0005_00	Scene0009_00	Scene0010_00	Scene0030_00	Scene0031_00	Avg.
NeuS [77]	0.266	0.225	0.347	0.197	0.209	0.270	0.253
DS-NeRF [19]	0.208	0.147	0.299	0.134	0.149	0.245	0.197
LFN [64]	0.326	0.191	0.345	0.171	0.206	0.334	0.262
PRIF [23]	0.427	0.350	0.420	0.347	0.319	0.465	0.388
RayDF (Ours)	0.261	0.146	0.328	0.135	0.157	0.319	0.224