Few-Shot Audio-Visual Class-Incremental Learning with Temporal Prompting and Regularization
Bibliographic record
Abstract
Audio-Visual Learning (AVL) aims at the audio-visual perception with both audio and vision modalities. AVL also suffers from data insufficiency in many applications as with other unimodal tasks. Concurrently, AVL often needs to continuously learn over time rather than all knowledge simultaneously. Considering the above two perspectives, our work mainly focuses on benchmarking the unexplored Few-Shot Audio-Visual Class-Incremental Learning (FS-AVCIL), i.e., continually perceiving novel categories described by a limited number of labeled examples with audio and visual modalities. Firstly, we provide the detailed task configuration together with a thorough analysis of the challenges in FS-AVCIL: (1) how to efficiently learn and fuse multimodal information with limited labeled examples; and (2) how to alleviate catastrophic forgetting cross-modal semantic correlations with limited data. Then, we propose an efficient framework based on Vision Transformer to solve FS-AVCIL. This framework contains two parts: temporal-residual prompting for audio-visual synergy adapter and temporal prompt regularization. Specifically, temporal-residual prompting is incorporated into the audio-visual adapter to efficiently finetune the pre-trained foundation model with limited data and capture audio-visual correlation by learning temporal-relevant prompts. Besides, we regularize temporal-relevant prompts to memorize previous knowledge by fully using the temporal knowledge from various perspectives. This framework is validated in audio-visual classification tasks under the FS-AVCIL scenario, and extensive experiments demonstrate its superior performance.
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How this classification was reachedexpand
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 | 0.001 | 0.001 |
| Open science | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".