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AnnotateIt/
rfdetr-small-coco-onnx

Name: rfdetr-small-coco-onnx
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Unofficial ONNX conversion of Roboflow RF-DETR — small

Single-file ONNX exporting the raw model outputs (no NMS, no sigmoid, no top-k, no resizing — all pre/postprocessing stays outside the graph). Unofficial conversion; not endorsed by the upstream authors. Upstream-reported COCO AP: 53.0 (not re-measured here).

Class table is UNVERIFIED. RF-DETR emits a 91-slot DETR-family COCO layout (index 0 = background). Confirm the column count and no-object slot against this exact file (Netron + one known image) before relying on the labels.

Input contract


name	`input`
dtype / layout	`float32`, NCHW
shape	`[1, 3, 512, 512]` (static)

Preprocessing: RGB → resize (stretch) to 512×512 → float32 ÷255 → ImageNet mean/std after ÷255 → HWC→CHW → batch dim.

Output contract

output	shape	meaning
`labels`	`[1, 300, 91]`	raw class logits (apply sigmoid yourself)
`dets`	`[1, 300, 4]`	normalized `cxcywh`

91-class COCO (torchvision 91-slot), 300 queries, DETR-style set prediction — no NMS.

Artifact


`model.onnx` SHA-256	`850b7a24b573064f98f41605e4e400421420edf9b377e1704fa2079589cc3479` (114,439,180 bytes)

License

Apache-2.0 (see LICENSE / NOTICE). Upstream: Roboflow RF-DETR.

AnnotateIt/rfdetr-small-coco-onnx