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This article introduces a new bi-frame called ridgelet bi-frame. The ridgelet bi-frame consists of two ridgelet frames that are dual to each other. The construction of the ridgelet bi-frame starts with a bi-frame built on a biorthogonal wavelet system in the Radon domain. The image of the resulting bi-frame under an isometric map from the Radon domain to L2(R2) is also a bi-frame, which we refer to...
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