{"artifact_id":"L1-080","layer":"L1","title":"Light-Field (Plenoptic) Imaging","domain":"Computational Optics","sub_domain":"4D plenoptic sampling","physics_fingerprint":{"L_DAG":3.2,"title":"Light-Field (Plenoptic) Imaging","domain":"Computational Optics","carrier":"photon","primitives":["L.project.pupil","S.scan.angular","F.shear","int.angular"],"sub_domain":"4D plenoptic sampling","noise_model":"gaussian","problem_class":"linear_inverse","solution_space":"4D_light_field","difficulty_delta":3,"integration_axis":"angular","sensing_mechanism":"plenoptic_sampling"},"observable_profile":{"metric":"LF_PSNR_dB","regime":"Well-posed when MLA is calibrated and scene lies within depth-of-field cone of each sub-aperture. Degrades at occlusion boundaries, specular highlights, and beyond the angular-resolution disparity limit; MLA misregistration couples spatial and angular dimensions.","secondary":"refocus_PSNR_dB"},"size_tiers":{"center_spec":{"omega":{"H":625,"U":9,"V":9,"W":434,"mla_offset":0.0,"mla_rotation":0.0,"photon_count":1000},"input_format":"raw_lf_mosaic_plus_calibration","problem_class":"lightfield_decoding","forward_operator":"plenoptic_mla_capture","epsilon_fn_center":"32.0 dB LF-PSNR"},"omega_bounds":{"H":[128,2048],"U":[3,17],"V":[3,17],"W":[128,2048],"mla_offset":[0.0,2.0],"mla_rotation":[0.0,0.05],"photon_count":[50,10000],"disparity_range_error":[0.0,2.0],"vignetting_per_subaperture":[0.0,0.2]},"epsilon_bounds":{"psnr_db":[20.0,44.0]},"allowed_problem_classes":["lightfield_decoding","lightfield_super_resolution","plenoptic_depth"],"allowed_omega_dimensions":["H","W","U","V","photon_count","mla_rotation","mla_offset","vignetting_per_subaperture","disparity_range_error"],"allowed_forward_operators":["plenoptic_mla_capture","focused_plenoptic","camera_array_capture"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":1500,"metric":"LF_PSNR_dB"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x55191abc37624bb508f96979eab7ba1021ff0351dbcf59cd8c5159ffb7dfb32c","chain_tx_hash":"0xc04066f8e6c6c7543ab3cfb1bee876ebe85343acb514e8882e1b59c19bfd8dc1","chain_block":41554182}