{"artifact_id":"L1-016","layer":"L1","title":"Image Scanning Microscopy (ISM) — pixel reassignment super-resolution","domain":"Microscopy","sub_domain":"Confocal with small-pinhole detector array","physics_fingerprint":{"L_DAG":3.3,"title":"Image Scanning Microscopy (ISM) — pixel reassignment super-resolution","domain":"Microscopy","carrier":"photon","primitives":["K.psf.confocal","S.scan.raster","L.pixel_reassign","int.temporal"],"sub_domain":"Confocal with small-pinhole detector array","noise_model":"poisson_gaussian","problem_class":"linear_inverse","solution_space":"2D_intensity","difficulty_delta":3,"integration_axis":"temporal","sensing_mechanism":"airy_scan_detector_array"},"observable_profile":{"metric":"PSNR_dB","regime":"Existence of the recovered 2D intensity 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 well-conditioned (kappa_eff ~= 9); detector_registration dominates the stability cliff; pinhole_size_AU and the remaining mismatch parameters contribute higher-order bias terms. Poisson signal noise + gaussian read noise sets the irreducible data-fidelity floor, while mild Tikhonov or analytic inversion is sufficient at the nominal Omega point.","secondary":"SSIM"},"size_tiers":{"center_spec":{"omega":{"H":1024,"W":1024,"NA":1.4,"N_det":32,"pixel_nm":40,"pinhole_AU":0.2,"peak_photons":300,"detector_registration":0.0,"reassignment_kernel_drift":0.0},"input_format":"measurement_only","problem_class":"ism","forward_operator":"ism_forward","epsilon_fn_center":"30.0"},"omega_bounds":{"H":[256,4096],"W":[256,4096],"NA":[1.0,1.49],"N_det":[4,100],"pixel_nm":[20,100],"pinhole_AU":[0.1,1.0],"peak_photons":[30,3000],"detector_registration":[0.0,0.1],"reassignment_kernel_drift":[0.0,0.2]},"epsilon_bounds":{"psnr_db":[12.0,42.0]},"allowed_problem_classes":["ism"],"allowed_omega_dimensions":["H","W","N_det","pixel_nm","NA","pinhole_AU","peak_photons","detector_registration","reassignment_kernel_drift","detector_registration","pinhole_size_AU","reassignment_kernel_drift"],"allowed_forward_operators":["ism_forward"]},"hardness_fn":{"type":"epsilon_fn","delta":3,"kappa":180,"metric":"PSNR_dB"},"initiator_dataset":[{"name":"primary","weight":1.0,"ipfs_cid":null,"license_hash":null}],"status":"testnet","staked_pwm":0.0,"chain_hash":"0x7733790aa6235469f6240481753e2e0d6acb727353fe8f75919cad7c305955c6","chain_tx_hash":"0x0d3681ee5f259ff05977e7df1e15429adbc5fdb9646cb74f7f6869f9766ab629","chain_block":41554156}