CMOS Image Sensor With Area-Efficient Block-Based Compressive Sensing
Why this work is in the frame
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Bibliographic record
Abstract
We have designed, fabricated, and measured the performance of a linear and area-efficient implementation of the compressive sensing (CS) method in CMOS image sensors. The use of an active pixel sensor (APS) with an integrator and in-pixel current switches are exploited to develop a compact implementation of CS encoding in analog domain. The intrinsic linearity of APS with integrator circuit guarantees the linearity of the CS encoding structure. The CS measurement process is performed for different blocks of the imager separately. This block-based implementation provides individual access to all the pixels from outside the array, resulting in a scalable design with relatively high fill-factor using only two transistors in each pixel. The CS-CMOS image sensor is designed and fabricated in 130-nm technology for 2 × 2, 4 × 4, and 16 × 16 arrays. The linearity of the extracted measurement is confirmed by the experimental results from 2 × 2 and 4 × 4 blocks. In addition, the block readout scheme and the scalability of the design is examined by fabricating a larger array of 4 × 4 blocks.
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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 | 0.001 |
| 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