# Image Classification on CIFAR-100 long-tailed (test) (Specific Imbalance Accuracy)

Source: [Image Classification on CIFAR-100 long-tailed (test) (Specific Imbalance Accuracy)](<https://www.sota2.com/research/sota/image-classification-on-cifar-100-long-tailed-test-specific-imbalance-accuracy>)

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

Data updated: 2026-02-26T06:06:54.567Z

Evaluation of Image Classification performance on the test split of the CIFAR-100 Long-Tailed dataset, reporting Top-1 accuracy metrics specifically calculated under different class imbalance ratios (rho=50, 100, 200).

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 | Image Classification |
| Dataset (including any stated split) | CIFAR-100 long-tailed (test) |
| Metric | Top-1 Acc (rho=200) |
| Unit | PERCENT |
| Direction | Higher is better |
| Results loaded | 10 of 10 |
| 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

- [Top-1 Acc (rho=200)](<https://www.sota2.com/research/sota/image-classification-on-cifar-100-long-tailed-test-specific-imbalance-accuracy.md?metric=Top-1%20Acc%20(rho%3D200)>): Higher is better; unit: PERCENT.

- [Top-1 Acc (rho=100)](<https://www.sota2.com/research/sota/image-classification-on-cifar-100-long-tailed-test-specific-imbalance-accuracy.md?metric=Top-1%20Acc%20(rho%3D100)>): Higher is better; unit: PERCENT.

- [Top-1 Acc (rho=50)](<https://www.sota2.com/research/sota/image-classification-on-cifar-100-long-tailed-test-specific-imbalance-accuracy.md?metric=Top-1%20Acc%20(rho%3D50)>): Higher is better; unit: PERCENT.

## Recorded results

| Method | Top-1 Acc (rho=200) | Result date | Report paper |
| --- | --- | --- | --- |
| NPE-LA | 43.96 | Not recorded | 699bdf2709c33900fcd80592 |
| LA | 43.35 | Not recorded | 699bdf2709c33900fcd80592 |
| NPE-LA | 42.99 | Not recorded | 699bdf2709c33900fcd80592 |
| cRT | 41.58 | Not recorded | 699bdf2709c33900fcd80592 |
| NPE-LA | 39.36 | Not recorded | 699bdf2709c33900fcd80592 |
| NPE-LA | 38.85 | Not recorded | 699bdf2709c33900fcd80592 |
| LA | 38.59 | Not recorded | 699bdf2709c33900fcd80592 |
| cRT | 37.04 | Not recorded | 699bdf2709c33900fcd80592 |
| CE | 37.04 | Not recorded | 699bdf2709c33900fcd80592 |
| CE | 34.83 | Not recorded | 699bdf2709c33900fcd80592 |

### NPE-LA

Top-1 Acc (rho=200): 43.96. Result ID: 699d046d5698665ec4a49317.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-2","Number of PEMs":16}. This record does not assert independent reproduction.

### LA

Top-1 Acc (rho=200): 43.35. Result ID: 699d046d5698665ec4a49315.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6a531e209131cea275d5.md>)

[Implementation](<https://github.com/google-research/google-research/tree/master/logit_adjustment>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-2"}. This record does not assert independent reproduction.

### NPE-LA

Top-1 Acc (rho=200): 42.99. Result ID: 699d046d5698665ec4a49316.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-2","Number of PEMs":1}. This record does not assert independent reproduction.

### cRT

Top-1 Acc (rho=200): 41.58. Result ID: 699d046d5698665ec4a49314.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa671b1e209131cea144a9.md>)

[Implementation](<https://github.com/facebookresearch/classifier-balancing>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-2"}. This record does not assert independent reproduction.

### NPE-LA

Top-1 Acc (rho=200): 39.36. Result ID: 699d046d5698665ec4a4930d.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-1","Number of PEMs":"16"}. This record does not assert independent reproduction.

### NPE-LA

Top-1 Acc (rho=200): 38.85. Result ID: 699d046d5698665ec4a4930c.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-1","Number of PEMs":"1"}. This record does not assert independent reproduction.

### LA

Top-1 Acc (rho=200): 38.59. Result ID: 699d046d5698665ec4a4930b.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa6a531e209131cea275d5.md>)

[Implementation](<https://github.com/google-research/google-research/tree/master/logit_adjustment>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-1"}. This record does not assert independent reproduction.

### cRT

Top-1 Acc (rho=200): 37.04. Result ID: 699d046d5698665ec4a4930a.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa671b1e209131cea144a9.md>)

[Implementation](<https://github.com/facebookresearch/classifier-balancing>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-1"}. This record does not assert independent reproduction.

### CE

Top-1 Acc (rho=200): 37.04. Result ID: 699d046d5698665ec4a49313.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-2"}. This record does not assert independent reproduction.

### CE

Top-1 Acc (rho=200): 34.83. Result ID: 699d046d5698665ec4a49309.

[Reporting paper](<https://www.sota2.com/research/paper/699bdf2709c33900fcd80592.md>)

Recorded evaluation configuration: {"Hyperparameter setting":"HP-1"}. This record does not assert independent reproduction.

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