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Latent interpolation decodes intermediate codes between endpoints in a generative model.
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The path and resulting samples depend on the generator; the cited studies analyze specific models and do not establish universal semantic directions or quality guarantees.
A generator maps a latent code to an output; interpolating between endpoint codes and decoding the intermediate values produces model-specific samples. In Sampling Generative Networks, the authors compare linear and spherical interpolation and report that spherical interpolation can avoid leaving the prior distribution and can yield sharper samples in their examples. Michelis and Becker study a generator-induced pull-back metric and show that straight-line paths can deviate from shorter curves/geodesics; the deviation depends on location and model. Pixel averages can create overlaid composites, but latent interpolation does not guarantee coherent semantics for every generator.
Illustrative: decode weighted combinations between two latent codes in the same model.
Paper comparison: evaluate linear and spherical interpolation in the generator settings reported by Sampling Generative Networks.
Paper analysis: compare a straight line with shorter curves using a generator-induced pull-back metric.
Inspect intermediate outputs and record the model, prior, interpolation method, and any quality changes.
Compare interpolation paths using model-specific geometry, perceptual measures, and task-relevant criteria. Report which generator and latent prior were tested rather than assuming a universal semantic manifold.
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Latent interpolation decodes intermediate codes between endpoints in a generative model. The path and resulting samples depend on the generator; the cited studies analyze specific models and do not establish universal semantic directions or quality guarantees.
The generator decodes intermediate latent codes into samples according to its learned mapping. The result is model-specific and does not guarantee semantic coherence across generators.
Averaging unrelated image pixels can overlay incompatible structures and produce a ghosted or transparent-looking composite; the effect depends on the images.
The paper reports that spherical interpolation can avoid diverging from a model’s prior distribution and produce sharper samples in its examples. It does not establish that slerp follows every model’s data manifold.
The paper introduces J-Diagrams and MINE grids as visualizations of latent-space manifolds created through analogies and nearest neighbors.
Michelis and Becker compare straight-line interpolation with shorter curves using path lengths induced by the generator’s pull-back metric; this quantifies deviation from a geodesic in their model-specific analysis.
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