transformers onnx safetensors convnextv2 image-classification vision boulderspot climbing aerial imagery remote sensing bouldering dataset:pszemraj/boulderspot base_model:facebook/convnextv2-nano-22k-384 base_model:finetune:facebook/convnextv2-nano-22k-384 license:apache-2.0 autotrain_compatible endpoints_compatible region:us