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abstract indexed · arXiv 2609.35232 · updated 2026-10-18

Beyond Selection: Token Parameterization for Extreme Visual Token Compression

First page of Beyond Selection: Token Parameterization for Extreme Visual Token Compression
From the original paper · arXiv 2609.35232Page 1. Select the image to read the PDF.

Braco replaces token pruning and learned resamplers for visual-token compression with a lightweight coder combining transform-basis truncation, fixed basis-coordinate embeddings, budget-dependent orthogonal re-parameterization, and pooled spatial residual tokens. Cost is integration and retraining or adaptation of the VLM pipeline around the coder, plus an accuracy-efficiency trade-off that the paper reports as favorable only down to roughly 23x-64x compression. It can fail on tasks requiring fine-grained visual grounding (OCR, dense captioning, small-object detection) where extreme token budgets destroy spatial detail, and the claimed frontier may not transfer to backbones or benchmarks outside those evaluated.

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Token parameterization for visual-token compression (Braco)
published
2026-09-28

The method is lightweight and directly relevant to single-GPU VLM deployment, but its accuracy claims are paper-reported and workload-dependent, so the reader should validate it on their own vision-language tasks before production adoption.

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  1. claim 01Paperraft inference
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    Braco replaces token pruning and learned resamplers for visual-token compression with a lightweight coder combining transform-basis truncation, fixed basis-coordinate embeddings, budget-dependent orthogonal re-parameterization, and pooled spatial residual tokens. Cost is integration and retraining or adaptation of the VLM pipeline around the coder, plus an accuracy-efficiency trade-off that the paper reports as favorable only down to roughly 23x-64x compression. It can fail on tasks requiring fine-grained visual grounding (OCR, dense captioning, small-object detection) where extreme token budgets destroy spatial detail, and the claimed frontier may not transfer to backbones or benchmarks outside those evaluated.

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  2. claim 02Paperraft inference

    Up to ~36% end-to-end speedup with matched or improved accuracy at 23x-64x compression; 95.2% of uncompressed accuracy at 144x while cutting prefill FLOPs by 84.2%-86.7%, with 16.6x/78.8x lower compressor latency/FLOPs than prior methods.

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arXiv 2609.35232

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