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SegNet: pooling-index-guided decoding for image segmentation

Contribution grade

Semantic image segmentation · Human-designed research method or resource

Reference score130,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Passed encoder max-pooling locations to the decoder for sparse unpooling, then used trainable convolutions to densify features before pixel classification, studying memory–accuracy tradeoffs.

Scientific scope

Passed encoder max-pooling locations to the decoder for sparse unpooling, then used trainable convolutions to densify features before pixel classification, studying memory–accuracy tradeoffs. Pooling-index unpooling inherits earlier unsupervised and visualization methods; the contribution is its trained segmentation architecture and evaluation. No learned unpooling does not mean the decoder has no learned weights. Storing indices trades memory against information and accuracy.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Pooling-index unpooling inherits earlier unsupervised and visualization methods; the contribution is its trained segmentation architecture and evaluation. No learned unpooling does not mean the decoder has no learned weights. Storing indices trades memory against information and accuracy.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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