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End-To-End Concept Word Detection for Video Captioning, Retrieval, and Question Answering
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Add end-to-end concept-word detection and semantic attention to the base model | Base-SAN · LSMDC16 movie description | BLEU-4: 0.005 -> 0.008 | Helped |
| Add end-to-end concept-word detection and semantic attention to the base model | Base-SAN · LSMDC16 fill-in-the-blank | accuracy: 34.5 -> 41.9 | Helped |
| Add end-to-end concept-word detection and semantic attention to the base model | Base-SAN · LSMDC16 multiple-choice | accuracy: 60.1 -> 63.8 | Helped |
| Add end-to-end concept-word detection and semantic attention to the base model | Base-SAN · LSMDC16 movie retrieval | Recall@1: 4.3 -> 4.5 | Helped |
| Replace detected concept words with randomly sampled words (ablation) | CT-SAN · LSMDC16 fill-in-the-blank | accuracy: 41.9 -> 17.0 | Hurt |
| Replace spatial-attention concept detection with a single LSTM on pooled video features (ablation) | CT-SAN · LSMDC16 fill-in-the-blank | accuracy: 41.9 -> 37.4 | Hurt |
| Train the concept detector separately instead of jointly end-to-end (ablation) | CT-SAN · LSMDC16 fill-in-the-blank | accuracy: 41.9 -> 35.4 | Hurt |
| Use nearest-neighbor video concept words instead of detected words (ablation) | CT-SAN · LSMDC16 fill-in-the-blank | accuracy: 41.9 -> 12.1 | Hurt |
| Vary the number of detected concept words from 10 to 5 or 20 (ablation) | CT-SAN · LSMDC16 movie description | BLEU-4: 0.007, 0.008, 0.008 | No clear effect |
| Remove output semantic attention (ablation) | CT-SAN · LSMDC16 movie description | BLEU-4: 0.008 -> 0.006 | Hurt |
| Remove input semantic attention (ablation) | CT-SAN · LSMDC16 fill-in-the-blank | accuracy: 41.9 -> 39.1 | Hurt |
| Ensemble six independently trained models | CT-SAN multiple-choice · LSMDC16 multiple-choice | accuracy: 63.8 -> 67.0 | Helped |
Closest papers by meaning
- Distilling Vision-Language Models on Millions of Videos (CVPR 2024 · similarity 0.88)
- On Scaling Up a Multilingual Vision and Language Model (CVPR 2024 · similarity 0.86)
- Set Prediction Guided by Semantic Concepts for Diverse Video Captioning (AAAI 2024 · similarity 0.86)
- OmniViD: A Generative Framework for Universal Video Understanding (CVPR 2024 · similarity 0.86)
- Language-aware Visual Semantic Distillation for Video Question Answering (CVPR 2024 · similarity 0.86)
- LongVideoBench: A Benchmark for Long-context Interleaved Video-Language Understanding (NeurIPS 2024 · similarity 0.85)
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