dtourolle
0da8271836
Local masking needs to know where an image's regions are. The watershed spike (S15 arm A) found the boundaries but had no idea what any of them enclosed; its coarse levels were geometric accidents. This adds the other half and the thing that joins them. `core/dr-segment` is where region reasoning now lives — the hierarchy moves out of `dr-gpu`, which keeps only the pixel passes that are genuinely shaders. The new crate is device-free and, without its default features, model-free too: 20 of its tests need neither an adapter nor 11 MB of weights. Arm B runs YOLO26n-seg through `ort`. D13 framed inference as a choice between `ort`'s C++ runtime and the pure-Rust dependency policy; that was a false choice. `ort`'s `alternative-backend` feature unlinks the C entirely and `ort-tract` supplies the API from tract, which is pure Rust. Measured before committing to it: zero unsupported operators, 420 ms for 640x640, and correct masks on bus.jpg. No NDK problem to solve, so D13's largest tolerated exception is not needed. Arm C is `prior.rs`, and it ships because the two arms fail in opposite directions. Instance membership re-weights the merge saddles, so region pairs the model believes share an object merge early and pairs straddling its edge merge late. No boundary moves — only the order in which they dissolve — which is how the result stays pixel-accurate at every level while its coarse levels become named things. Two things the spec assumed that turned out to be false, both recorded in models/LICENCE.md: there is no usable ADE20K-trained YOLO, so the shipped vocabulary is COCO's 80 subjects and *stuff* like sky and foliage must come from arm A; and tract cannot parse a dynamic-shape export, so the graph's input is fixed and tiling is the only route to more semantic resolution. Weights are AGPL-3.0, which GPLv3 §13 permits and which makes the combined work effectively AGPL. Deliberate, not accidental. They live in Git LFS, and a build script fails with an instruction rather than embedding a pointer file when the clone lacks them.
82 lines
943 B
JSON
82 lines
943 B
JSON
[
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"person",
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"bicycle",
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"car",
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"motorcycle",
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"airplane",
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"bus",
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"train",
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"truck",
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"boat",
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"traffic light",
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"fire hydrant",
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"stop sign",
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"parking meter",
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"bench",
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"bird",
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"cat",
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"dog",
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"horse",
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"sheep",
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"cow",
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"elephant",
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"bear",
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"zebra",
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"giraffe",
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"backpack",
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"umbrella",
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"handbag",
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"tie",
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"suitcase",
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"frisbee",
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"skis",
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"snowboard",
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"sports ball",
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"kite",
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"baseball bat",
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"baseball glove",
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"skateboard",
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"surfboard",
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"tennis racket",
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"bottle",
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"wine glass",
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"cup",
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"fork",
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"knife",
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"spoon",
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"bowl",
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"banana",
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"apple",
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"sandwich",
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"orange",
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"broccoli",
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"carrot",
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"hot dog",
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"pizza",
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"donut",
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"cake",
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"chair",
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"couch",
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"potted plant",
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"bed",
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"dining table",
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"toilet",
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"tv",
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"laptop",
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"mouse",
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"remote",
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"keyboard",
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"cell phone",
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"microwave",
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"oven",
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"toaster",
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"sink",
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"refrigerator",
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"book",
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"clock",
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"vase",
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"scissors",
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"teddy bear",
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"hair drier",
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"toothbrush"
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] |