Automatic Detection of Polyp Using Hessian Filter and HOG Features
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Bibliographic record
Abstract
An endoscope is a medical instrument that acquires images inside the human body. This paper proposes a new approach for the automatic detection of polyp regions in an endoscope image using a Hessian Filter and machine learning approaches. The approach improves performance of automatic detection of polyp detection with higher accuracy. The approach uses HOG feature as a local feature since the polyp and non-polyp region often have similar color information. The approach also uses Real Adaboost and Random Forests as classifiers which works effciently even when the dimension of feature vector becomes large. It is suggested that Hessian filter can contribute to reducing the computational time in comparison with the case when only HOG features are used to detect the polyp region. K-means++ is introduced to integrate the detection results in the classification. It is shown that polyp detection with high accuracy is performed in the computer experiments with endoscope images.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it