Child Examinations | North Tonawanda, NY

After Hour Nurse Advice Lines
phone iconPhone: (716) 807-7337
phone iconFax: (716) 213-4400
Receive our Health e-Newsletter


News for Healthier Living

Hacking Reference-Free Image Captioning Metrics: Uncovering Hidden Flaws

Addressing hidden flaws in VLM-based reference-free image captioning metrics, researchers from Nanjing University employed a reinforcement learning "hacking" strategy to test mainstream evaluation tools. They discovered that while these metrics correlate with human judgment, they can be manipulated to favor unreadable, incoherent text. To solve this, the team introduced Negative Text Contrastive Learning (NTCL), which significantly improves metric robustness and performance by integrating flawed descriptions as negative samples.

March 26, 2026


March 26 2026

March 25 2026

March 24 2026

March 23 2026

March 22 2026

March 21 2026

March 20 2026

March 19 2026

March 18 2026

March 17 2026

March 16 2026

March 15 2026

March 14 2026

March 13 2026