arXiv AI By Xunlan Zhou, Xianliang Yang, Li Zhao

From Text Decisions to Pixels: An Study of Jev-Style Visual Choice Model

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The paper introduces PixelJev, a native-image decision interface that combines an image, a task instruction, and a runtime candidate set into a structured choice and candidate-conditioned probabilities using small open multimodal models. It unifies recognition and multiple-choice visual question answering via a language-model readout, offering options for frozen inference, language-side adaptation, and held-out calibration. Across seven benchmarks, 64-shot source adaptation significantly boosts Pets accuracy from 60.13% to 92.40%, and the system supports both VQA tasks with frozen inference, while also highlighting areas for improvement such as schema robustness and cross-family transfer.

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From Text Decisions to Pixels: An Study of Jev-Style Visual Choice Model

The paper introduces PixelJev, a native-image decision interface that combines an image, a task instruction, and a runtime candidate set to produce a structured choice and candidate-conditioned probabilities using small open multimodal models. It unifies recognition and multiple-choice visual question answering via a language-model readout, offering options for frozen inference, language-side adaptation, and held-out calibration. Across seven benchmarks, 64-shot source adaptation significantly boosts Pets accuracy from 60.13% to 92.40%, and the model supports VQA tasks without target fitting, though calibration and cross-family transfer remain challenges.

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