# OR-PAM Registration on OR-PAM-Reg 4K (test)

Source: [OR-PAM Registration on OR-PAM-Reg 4K (test)](<https://www.sota2.com/research/sota/or-pam-registration-on-or-pam-reg-4k-test>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-02-26T06:03:29.092Z

Evaluation of OR-PAM Registration performance on the test split of the OR-PAM-Reg 4K dataset, utilizing similarity metrics such as SSIM, PSNR, and NCC.

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

| Scope | Recorded value |
| --- | --- |
| Task | OR-PAM Registration |
| Dataset (including any stated split) | OR-PAM-Reg 4K (test) |
| Metric | SSIM |
| Unit | PERCENT |
| Direction | Higher is better |
| Results loaded | 25 of 25 |
| Coverage | All results currently returned for this benchmark |

Evaluation settings may differ between results. The original papers and recorded configurations are needed to establish comparability. A shared metric name alone does not establish an identical protocol.

## Metrics

- [SSIM](<https://www.sota2.com/research/sota/or-pam-registration-on-or-pam-reg-4k-test.md?metric=SSIM>): Higher is better; unit: PERCENT.

- [PSNR](<https://www.sota2.com/research/sota/or-pam-registration-on-or-pam-reg-4k-test.md?metric=PSNR>): Higher is better; unit: SCALAR.

- [NCC](<https://www.sota2.com/research/sota/or-pam-registration-on-or-pam-reg-4k-test.md?metric=NCC>): Higher is better; unit: PERCENT.

## Recorded results

| Method | SSIM | Result date | Report paper |
| --- | --- | --- | --- |
| PCReg-Net | 98.2 | Not recorded | 6993f6299ebc499c97409b7d |
| GPEReg-Net | 93.2 | Not recorded | 6996992f09c33900fcd71fa8 |
| SAS-Net | 89.4 | Not recorded | 6993f6299ebc499c97409b7d |
| SAS-Net | 89.4 | Not recorded | 6996992f09c33900fcd71fa8 |
| SIFT | 67.9 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| SIFT | 67.9 | Not recorded | 6993f6299ebc499c97409b7d |
| SIFT | 67.9 | Not recorded | 6996992f09c33900fcd71fa8 |
| VoxelMorph | 65.9 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| VoxelMorph | 65.9 | Not recorded | 6993f6299ebc499c97409b7d |
| VoxelMorph | 65.9 | Not recorded | 6996992f09c33900fcd71fa8 |
| TransMorph | 64.1 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| TransMorph | 64.1 | Not recorded | 6993f6299ebc499c97409b7d |
| TransMorph | 64.1 | Not recorded | 6996992f09c33900fcd71fa8 |
| SyN (ANTs) | 61.3 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| SyN | 61.3 | Not recorded | 6993f6299ebc499c97409b7d |
| SyN | 61.3 | Not recorded | 6996992f09c33900fcd71fa8 |
| Demons | 57.9 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| Demons | 57.9 | Not recorded | 6993f6299ebc499c97409b7d |
| Demons | 57.9 | Not recorded | 6996992f09c33900fcd71fa8 |
| Original (Unregistered) | 48.2 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| Unregistered | 48.2 | Not recorded | 6993f6299ebc499c97409b7d |
| Unregistered | 48.2 | Not recorded | 6996992f09c33900fcd71fa8 |
| Optical Flow | 45.5 | Not recorded | 698c0cebc97a0b3e3b5e102f |
| Optical Flow | 45.5 | Not recorded | 6993f6299ebc499c97409b7d |
| Optical Flow | 45.5 | Not recorded | 6996992f09c33900fcd71fa8 |

### PCReg-Net

SSIM: 98.2. Result ID: 699a743f5698665ec4fd39e2.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

[Method origin paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### GPEReg-Net

SSIM: 93.2. Result ID: 699aea1e5698665ec47aba80.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

[Method origin paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### SAS-Net

SSIM: 89.4. Result ID: 699a743f5698665ec4fd39e1.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

[Method origin paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### SAS-Net

SSIM: 89.4. Result ID: 699aea1e5698665ec47aba7f.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

[Method origin paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### SIFT

SSIM: 67.9. Result ID: 699a1b3b5698665ec49feff6.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### SIFT

SSIM: 67.9. Result ID: 699a743f5698665ec4fd39db.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### SIFT

SSIM: 67.9. Result ID: 699aea1e5698665ec47aba79.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### VoxelMorph

SSIM: 65.9. Result ID: 699a1b3b5698665ec49feffa.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66401e209131cea0f2e7.md>)

[Implementation](<http://voxelmorph.csail.mit.edu/>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### VoxelMorph

SSIM: 65.9. Result ID: 699a743f5698665ec4fd39df.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66401e209131cea0f2e7.md>)

[Implementation](<http://voxelmorph.csail.mit.edu/>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### VoxelMorph

SSIM: 65.9. Result ID: 699aea1e5698665ec47aba7d.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66401e209131cea0f2e7.md>)

[Implementation](<http://voxelmorph.csail.mit.edu/>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### TransMorph

SSIM: 64.1. Result ID: 699a1b3b5698665ec49feffb.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dab1e209131cea3b572.md>)

[Implementation](<https://bit.ly/37eJS6N>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### TransMorph

SSIM: 64.1. Result ID: 699a743f5698665ec4fd39e0.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dab1e209131cea3b572.md>)

[Implementation](<https://bit.ly/37eJS6N>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### TransMorph

SSIM: 64.1. Result ID: 699aea1e5698665ec47aba7e.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6dab1e209131cea3b572.md>)

[Implementation](<https://bit.ly/37eJS6N>)

Recorded evaluation configuration: {"Category":"Deep Learning Methods"}. This record does not assert independent reproduction.

### SyN (ANTs)

SSIM: 61.3. Result ID: 699a1b3b5698665ec49feff9.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### SyN

SSIM: 61.3. Result ID: 699a743f5698665ec4fd39de.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### SyN

SSIM: 61.3. Result ID: 699aea1e5698665ec47aba7c.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Demons

SSIM: 57.9. Result ID: 699a1b3b5698665ec49feff7.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Demons

SSIM: 57.9. Result ID: 699a743f5698665ec4fd39dc.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Demons

SSIM: 57.9. Result ID: 699aea1e5698665ec47aba7a.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Original (Unregistered)

SSIM: 48.2. Result ID: 699a1b3b5698665ec49feff5.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Unregistered

SSIM: 48.2. Result ID: 699a743f5698665ec4fd39da.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Unregistered

SSIM: 48.2. Result ID: 699aea1e5698665ec47aba78.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Optical Flow

SSIM: 45.5. Result ID: 699a1b3b5698665ec49feff8.

[Reporting paper](<https://www.sota2.com/research/paper/698c0cebc97a0b3e3b5e102f.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Optical Flow

SSIM: 45.5. Result ID: 699a743f5698665ec4fd39dd.

[Reporting paper](<https://www.sota2.com/research/paper/6993f6299ebc499c97409b7d.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

### Optical Flow

SSIM: 45.5. Result ID: 699aea1e5698665ec47aba7b.

[Reporting paper](<https://www.sota2.com/research/paper/6996992f09c33900fcd71fa8.md>)

Recorded evaluation configuration: {"Category":"Traditional Methods"}. This record does not assert independent reproduction.

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