# Image Classification on Imbalanced CIFAR-10 long-tailed, ratio 100 (val)

Source: [Image Classification on Imbalanced CIFAR-10 long-tailed, ratio 100 (val)](<https://www.sota2.com/research/sota/image-classification-on-imbalanced-cifar-10-long-tailed-ratio-100-val>)

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

Data updated: 2026-02-26T06:07:17.796Z

Evaluation of Image Classification performance on the validation split of the CIFAR-10 dataset configured with a 100x Long-Tailed imbalance ratio, measured using Top-1 error.

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) | Imbalanced CIFAR-10 long-tailed, ratio 100 (val) |
| Metric | Top-1 Error |
| Unit | PERCENT |
| Direction | Lower is better |
| Results loaded | 12 of 12 |
| 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 Error](<https://www.sota2.com/research/sota/image-classification-on-imbalanced-cifar-10-long-tailed-ratio-100-val.md?metric=Top-1%20Error>): Lower is better; unit: PERCENT.

## Recorded results

| Method | Top-1 Error | Result date | Report paper |
| --- | --- | --- | --- |
| BBN | 20.18 | Not recorded | 68fa69941e209131cea22d32 |
| HAR-DRW | 20.27 | Not recorded | 68fa69941e209131cea22d32 |
| HAR-DRW | 20.46 | Not recorded | 68fa69941e209131cea22d32 |
| BBN | 21.64 | Not recorded | 68fa69941e209131cea22d32 |
| LDAM-DRW | 22.97 | Not recorded | 68fa69941e209131cea22d32 |
| LDAM-DRW | 23.08 | Not recorded | 68fa69941e209131cea22d32 |
| CB Focal | 25.43 | Not recorded | 68fa69941e209131cea22d32 |
| Focal | 29.62 | Not recorded | 68fa69941e209131cea22d32 |
| ERM | 29.64 | Not recorded | 68fa69941e209131cea22d32 |
| Focal | 36.09 | Not recorded | 68fa69941e209131cea22d32 |
| ERM | 36.7 | Not recorded | 68fa69941e209131cea22d32 |
| CB Focal | 39.73 | Not recorded | 68fa69941e209131cea22d32 |

### BBN

Top-1 Error: 20.18. Result ID: 698dbb4e8b517eb4332362db.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa67371e209131cea14e59.md>)

[Implementation](<https://github.com/Megvii-Nanjing/BBN>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### HAR-DRW

Top-1 Error: 20.27. Result ID: 698dbb4e8b517eb4332362e8.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Implementation](<https://github.com/kaidic/HAR>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### HAR-DRW

Top-1 Error: 20.46. Result ID: 698dbb4e8b517eb4332362dc.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Implementation](<https://github.com/kaidic/HAR>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### BBN

Top-1 Error: 21.64. Result ID: 698dbb4e8b517eb4332362e7.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa67371e209131cea14e59.md>)

[Implementation](<https://github.com/Megvii-Nanjing/BBN>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### LDAM-DRW

Top-1 Error: 22.97. Result ID: 698dbb4e8b517eb4332362da.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66901e209131cea10e0f.md>)

[Implementation](<https://github.com/kaidic/LDAM-DRW>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### LDAM-DRW

Top-1 Error: 23.08. Result ID: 698dbb4e8b517eb4332362e6.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

[Method origin paper](<https://www.sota2.com/research/paper/68fa66901e209131cea10e0f.md>)

[Implementation](<https://github.com/kaidic/LDAM-DRW>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### CB Focal

Top-1 Error: 25.43. Result ID: 698dbb4e8b517eb4332362d9.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### Focal

Top-1 Error: 29.62. Result ID: 698dbb4e8b517eb4332362d8.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### ERM

Top-1 Error: 29.64. Result ID: 698dbb4e8b517eb4332362d7.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### Focal

Top-1 Error: 36.09. Result ID: 698dbb4e8b517eb4332362e4.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### ERM

Top-1 Error: 36.7. Result ID: 698dbb4e8b517eb4332362e3.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

### CB Focal

Top-1 Error: 39.73. Result ID: 698dbb4e8b517eb4332362e5.

[Reporting paper](<https://www.sota2.com/research/paper/68fa69941e209131cea22d32.md>)

Recorded evaluation configuration: {"Backbone":"ResNet-32"}. This record does not assert independent reproduction.

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