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Shanghai Maritime University

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Representative Papers

CoQui: A Coordinate-Conditioned Quantum Implicit Generative Adversarial Network for End-to-End Image Generation

Aug 12, 2026

Traditional quantum image generation methods are constrained by pixel-position encoding, causing quantum resource requirements to scale with image resolution and inducing probabilistic competition among jointly decoded pixels, which hinders precise control. This work proposes a coordinate-conditioned implicit generation paradigm: the image is modeled as an implicit function driven by spatial coordinates and latent variables, where a classical embedding network generates parameters for a variational quantum circuit. Pixel intensities are obtained independently at each coordinate by evaluating the circuit and measuring the expectation values of dedicated color qubits. This approach decouples resolution from the number of address qubits, circumvents inter-pixel probability normalization constraints, and incorporates structural inductive bias. Experiments demonstrate that the proposed framework achieves superior visual and quantitative performance on two benchmark datasets compared to FRQI, PQWGAN, and classical baselines, using significantly fewer qubits.

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Latest Papers

CoQui: A Coordinate-Conditioned Quantum Implicit Generative Adversarial Network for End-to-End Image Generation

Aug 12, 2026

Traditional quantum image generation methods are constrained by pixel-position encoding, causing quantum resource requirements to scale with image resolution and inducing probabilistic competition among jointly decoded pixels, which hinders precise control. This work proposes a coordinate-conditioned implicit generation paradigm: the image is modeled as an implicit function driven by spatial coordinates and latent variables, where a classical embedding network generates parameters for a variational quantum circuit. Pixel intensities are obtained independently at each coordinate by evaluating the circuit and measuring the expectation values of dedicated color qubits. This approach decouples resolution from the number of address qubits, circumvents inter-pixel probability normalization constraints, and incorporates structural inductive bias. Experiments demonstrate that the proposed framework achieves superior visual and quantitative performance on two benchmark datasets compared to FRQI, PQWGAN, and classical baselines, using significantly fewer qubits.

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