{"artifact_id":"L1-086","layer":"L1","title":"Electron Tomography — tilt-series 3D reconstruction","domain":"Electron Microscopy","sub_domain":"Tilt-series TEM for 3D cellular structure","physics_fingerprint":{"L_DAG":3.8,"title":"Electron Tomography — tilt-series 3D reconstruction","domain":"Electron Microscopy","carrier":"electron","primitives":["L.transmit_sample","S.scan.angular","L.backproject","int.angular"],"sub_domain":"Tilt-series TEM for 3D cellular structure","noise_model":"shot_poisson","problem_class":"linear_inverse","solution_space":"3D_density","difficulty_delta":5,"integration_axis":"angular","sensing_mechanism":"electron_transmission"},"observable_profile":{"metric":"PSNR_dB","regime":"Existence of the recovered 3D density is guaranteed within the declared Omega bounds. Uniqueness holds on the measurement-supported subspace; out-of-support modes are controlled by the declared priors. Stability is moderately conditioned (kappa_eff ~= 20); tilt_angle_error dominates the stability cliff; missing_wedge and the remaining mismatch parameters contribute higher-order bias terms. Photon-shot-noise-limited (poisson counting) sets the irreducible data-fidelity floor, while TV / wavelet-sparsity / deep priors stabilise recovery at the ill-conditioned end of Omega.","secondary":"SSIM"},"size_tiers":{"center_spec":{"omega":{"H":2048,"W":2048,"Z":128,"kV":300,"N_tilts":61,"missing_wedge":0.33,"peak_electrons":30,"tilt_range_deg":60,"tilt_angle_error":0.0},"input_format":"measurement_only","problem_class":"etomo_tilt_series","forward_operator":"etomo_tilt_series_forward","epsilon_fn_center":"24.0"},"omega_bounds":{"H":[512,4096],"W":[512,4096],"Z":[32,512],"kV":[200,300],"N_tilts":[20,200],"beam_damage":[0.0,0.5],"missing_wedge":[0.1,0.6],"peak_electrons":[1,500],"tilt_range_deg":[40,80],"alignment_error":[0.0,5.0],"tilt_angle_error":[0.0,0.5]},"epsilon_bounds":{"psnr_db":[10.0,40.0]},"allowed_problem_classes":["etomo_tilt_series"],"allowed_omega_dimensions":["H","W","Z","N_tilts","tilt_range_deg","kV","peak_electrons","tilt_angle_error","missing_wedge","tilt_angle_error","missing_wedge","beam_damage","alignment_error"],"allowed_forward_operators":["etomo_tilt_series_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":5,"kappa":400,"metric":"PSNR_dB"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0xfb181034b956374646ef8727ee21d10ec1b88668f4aa5156494b5c8dcc3a17a7","chain_tx_hash":"0xd4f0c4fe89f7a6aad1b0a7286d708e7f7fa7159edfcd30bec2178532f034bdcf","chain_block":41554184}