Edge detection algorithm for SAR image based on improved ROEWA
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Bibliographic record
Abstract
Ratio of exponentially weighted average(ROEWA) operator is an multi-edge detector suitable for SAR images.The detector which is unable to compute the edge direction,cannot get the exact edge position.The reasons for these problems are analyzed and the flow chart of edge detection is modified in this paper.The constant false alarm rate(CFAR) character is retained by the traditional operator and the accuracy of non maxima suppression(NMS) is improved by the difference operator.Then Radon transform is carried out to get the edge direction for its excellent geometrical analysis and noise immunity properties,and by this way,the line connection is facilitated.The experiment results based on the SAR images show that the performance of the improved algorithm is robust and efficient.
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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 | 0.000 |
| 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