A Novel Correntropy Analysis Method with Application to Multi-view Feature Representation
Bibliographic record
Abstract
In this paper, a novel correntropy analysis (CORA) method is proposed for multi-view feature representation. By joint utilization the correntropy and nonlinear kernel transformation tools, the presented CORA method is able to measure the localized similarity between two random variables and further reveal the intrinsic relation between them effectively, leading to a high quality feature representation. Unlike many existing techniques for feature representation such as canonical correlation analysis (CCA) and kernel CCA (KCCA), CORA indicates and explores the mutual relation of two random variables according to the probability density. In addition, different from the kernel entropy component analysis (KECA) method revealing the structural information only from a single data space, CORA is able to explore the mutual structural information between two data spaces jointly instead. The effectiveness of the proposed method is evaluated through experiments on audio emotion recognition and face recognition examples. Comparisons are conducted on the statistics machine learning (SML) and deep neural network (DNN) based algorithms. The results show that the proposed CORA method outperforms other methods.
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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 | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.002 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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".