Segmentation of Brain Tumor from Magnetic Resonance Imaging Using Handcrafted Features with BOA-Based Transformer
Bibliographic record
Abstract
Early brain tumor detection is crucial for improving patients’ prognosis and chances of survival. Physical analysis of brain tumor magnetic resonance imaging (MRI) images is necessary for this task. Consequently, computational techniques are required for more precise tumor diagnosis. However, evaluations of shape, volume, boundaries, size, tumor identification, segmentation, and classification remain challenging. Additionally, characteristics of cancer, such as fuzziness, complex backgrounds, and significant variations in size, shape, and intensity distribution, make accurate segmentation challenging. This work suggests a novel Optimizer-based Semantic-Aware Transformer (OSAT) for brain tumor segmentation in order to address these problems. Moreover, MRI data was manually analyzed to extract features based on texture, intensity, and other factors. The Bonobo optimization algorithm (BOA) improves SAT and increases feature representation learning capabilities with less memory and computational complexity. Several evaluation metrics were used in this work to assess performance on the three Brain Tumor Segmentation (BraTS) challenge datasets, including segmentation measures. By enhancing OSAT’s performance with the addition of handcrafted features, a more reliable and broadly applicable solution was also achieved. This study may have significant applications in the field of accurate and efficient brain tumor segmentation. Future studies could examine various feature fusion techniques and incorporate additional imaging modalities to improve the efficacy of the proposed method.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".