Retinal Motion and Microvascular Pulsation Measurements from SLO Image Sequences
Why this work is in the frame
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Bibliographic record
Abstract
Scanning laser ophthalmoscopes (SLOs) provide noninvasive image sequences of the retina with high temporal and spatial resolution. This paper describes recent methods and results for accurate saccade and drift motion estimation of the eye. The proposed method exploits the scanning nature of the SLO and assumes direct access to each scan line as it is received. This approach allows high temporal resolution in estimation of saccadic motion that is used in prediction of landmark motion for extraction of translational and rotational estimates due to drift. The high accuracy achieved leads to the capability to track specific vascular structures of interest during the image sequence. We demonstrate applications in measurement of the amplitude of the venous pulse, often observed in vessels at or near the edge of the optical disk, relative to distance along the vessel. Results are shown for both simulated and real SLO image sequences
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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 | 0.001 | 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