build(deps): update ultralytics requirement from >=8.4.115 to >=8.4.154 in /apps/ai

[dependabot]

Updates the requirements on ultralytics to permit the latest version.

Release notes

Sourced from ultralytics's releases.

v8.4.154 - Fix CoreML dynamic anchor export and static multi-image inference, release 8.4.154 (#26199)

🌟 Summary

v8.4.154 improves CoreML export and inference reliability, restores accurate RT-DETR INT8 deployment, reduces training overhead, and strengthens dataset and Platform workflows. 🚀

📊 Key Changes

• 🛠️ CoreML dynamic export fixed — PR #26199

  • YOLO detection, segmentation, pose, and OBB models can now export with dynamic=True without triggering a coremltools arange conversion error.
  • Static CoreML models now correctly process batches of multiple images instead of running inference only on the first image.
  • Supports proper output stacking for raw predictions, embedded NMS, segmentation, and classification models.
  • CoreML export documentation now clarifies restrictions for dynamic inputs, NMS, classification, RT-DETR, and batch sizes.

• ⚡ RT-DETR OpenVINO INT8 export repaired

  • Keeps the RT-DETR decoder in floating point while applying NNCF transformer-aware quantization.
  • Reported RT-DETR-L accuracy improved from approximately 0.0002 to 0.6513 mAP50-95, with nearly unchanged CPU inference speed.

• 🏎️ Faster training, especially on GPUs

  • Avoids unnecessary memory initialization, activation copies, host-device synchronization, and repeated EMA state reconstruction.
  • Enables fused Adam and AdamW optimizers where supported.
  • A measured YOLO26x COCO training step on a B200 GPU improved from 228.9 ms to 183.5 ms—about a 1.25× speedup in that test environment.

• 🧠 More memory-efficient SAM3 mask processing

  • Large semantic masks are upscaled in bounded chunks rather than all at once.
  • This prevents multi-gigabyte temporary allocations while preserving mask results.

• 🎯 Classification validation now prevents class-index mistakes

  • Validation and training splits are aligned to the model’s class names instead of relying on each folder’s local alphabetical ordering.
  • Classes missing from the model are skipped with a warning, preventing silently incorrect accuracy and model-selection metrics.

• 📡 Platform training callbacks now use the Platform SDK

  • Replaces duplicated raw HTTP and retry logic with the generated SDK.
  • Adds controlled POST retries while preserving authentication handling, cancellation, checkpoint signing, payload sanitization, and quiet console-error behavior.
  • Requires ultralytics-platform>=0.1.45.

• ✅ Clearer dataset and validation checks

  • Segment datasets now reject box-only labels or mismatched polygon and box counts.
  • Pose validation reports an actionable error when kpt_shape is missing, including when stale label caches are present.
  • save_json=True now reports small-, medium-, and large-object mAP on detection datasets using faster-coco-eval.
  • Training resume behavior is documented: the checkpoint dataset is restored unless an explicit data= override is provided.

• 🌐 Platform workflow and documentation updates

  • Documents semantic PNG mask imports, similar-image search, generated image variations, model moves between projects, remembered training settings, and verified dataset uploads.
  • Clarifies API rate limits, exact dataset slugs, upload integrity checks, and CoreML limitations.

🎯 Purpose & Impact

• Apple users can export and run models more reliably with dynamic CoreML inputs and multi-image inference now functioning as expected. 🍎
• Deployment accuracy improves for RT-DETR on Intel hardware, making OpenVINO INT8 a more practical option.
• GPU training can be faster and more efficient, particularly for larger workloads, although the reported speedup was measured on a specific B200 setup and may vary by hardware.

... (truncated)

Commits

• 181e5bc Fix CoreML dynamic anchor export and static multi-image inference, release 8....
• 1e53904 Fix silent wrong-class scoring when classification split classes differ from ...
• 4b978d2 [perf] yolo26x COCO training on B200: 228.9 to 183.5 ms per step at 1 GPU, mo...
• 875f52c Document Platform similar image search, mask import, model moves and verified...
• 0454ae8 Mirror the trainer's missing-kpt_shape error in standalone pose val (#26193)
• 6c100a6 Fix RT-DETR OpenVINO INT8 export by keeping its decoder float and quantizing ...
• c45a5dd Upscale SAM3 semantic masks in memory-bounded chunks (#26200)
• 00eb963 Document segment label rejection, resume data override, size mAP with save_js...
• a851934 Use Platform SDK for training callbacks (#26190)
• fa39b69 Fix SAM3 compile=False handling and release 8.4.153 (#26189)
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[dependabot]

Superseded by #250.