Bibliographic record
Abstract
Most previous surveys were conducted under ideal conditions, and the data was mostly in contribution. In reality, however, the condition of out-of-distribution dataset is more common and cannot be avoided. For example, in a dataset, the label only contains cats and dogs, but a new horse image appears in the data image. A model that does not take the OOD problem into account will only be able to classify it under a known label, even if this results in incorrect results; however, the OOD model should alert the researcher to the emergence of a new label class. As a result, this type of partial setting is gaining popularity. Furthermore, the problem of out-of-distribution is exacerbated in the medical environment. The availability of annotated training examples remains a significant barrier to advancement in medical imaging processing. Because experts spend so much time on annotation, the entire process is prohibitively expensive. Furthermore, once a new model has been trained, the acquisition parameters will be altered. As a result, out-of-distribution detection strategy is a critical technique in the field of medical images. Our research focuses on the OOD model in the context of medical images. First, we summarized the OOD models that have been proposed in recent years. Some of them proposed new metrics to set the standard for the model's good or bad performance, while others proposed new methods to continuously increase the model's precision, so that the model could correctly identify the OOD situation. Following that, we will concentrate on using the OOD model in medical images. We are convinced that medical images outside of the original dataset are extremely important for future research into this disease. Finally, we classify the evaluation criteria, methods, and datasets that are commonly used in OOD model training. It is hoped that our research will be beneficial to future researchers.
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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 | 0.005 | 0.026 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.007 | 0.003 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.003 | 0.002 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.002 | 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".