depth op• Data kinds: कोई नहीं → table (केवल arguments से तय होने वाला op — यह कोई image या data input नहीं लेता)
• Call: import fullseye as fs; fs.ledger.lf_plenoptic_design(focal_mm=50.0, f_number=8.0, object_mm=300.0, pixel_um=3.45, mla_pitch_um=27.6, sensor_px=(2048, 2448), *, subpixel_px=0.1) (implementation को सीधे call करना हो तो import lightfield; lightfield.lf_plenoptic_design(focal_mm=50.0, f_number=8.0, object_mm=300.0, pixel_um=3.45, mla_pitch_um=27.6, sensor_px=(2048, 2448), *, subpixel_px=0.1), registry से लेना हो तो opslightfield.get("lf_plenoptic_design"))
plenoptic camera का आकार तय करता है: आपको कितना angular/spatial resolution और depth range मिलता है।
> नीचे का विस्तृत विवरण मूल text में है — सारांश और headings का अनुवाद हो चुका है।
The plenoptic trade in one table. A microlens spanning mla_pitch_um / pixel_um pixels turns that many pixels into that many *directions*, so the sensor's pixel count is unchanged but the image is U*V times smaller and carries U*V viewpoints. This operator composes optics rather than re-deriving it: optics.thin_lens places the image, and optics.depth_of_field is called twice — once with the pixel pitch as the circle of confusion (the depth of field of a single refocused slice) and once with the *microlens* pitch (the range over which refocusing can still recover a sharp image). Their ratio is the refocusing gain, and it comes out at the angular resolution, which is the textbook result — measured 2026-09-01 at f = 50 mm, N = 8, s_o = 300 mm: an 8x8 angular grid gives refocus_gain = 8.0038, 10x10 gives 10.0075 and 6x6 gives 6.0016.
Returns a dict — angular_u / angular_v (whole pixels per microlens, from floor) · angular_exact (the unrounded ratio) and pitch_is_integer (whether the MLA pitch is a whole number of pixels; it usually is not, which is why real decoding needs sub-pixel calibration) · spatial_w / spatial_h (microlenses = sub-aperture image size) · n_views · resolution_loss (U*V) · image_mm / magnification / working_distance_mm from the thin lens · aperture_mm (f/N) · baseline_mm (viewpoint spacing across the pupil, aperture / (U - 1)) · focal_px_subaperture (focal length in units of the *microlens* pitch, the pixel of a sub-aperture image) · dof_pixel_mm / dof_refocus_mm and refocus_gain · and depth_precision_mm, the object-side distance change that moves the disparity by *subpixel_px* pixels (Z^2 * dp / (focal_px * baseline)) — the honest depth resolution at *object_mm*.
Raises ValueError: any non-positive or non-finite length, an mla_pitch_um smaller than two *pixel_um* (fewer than 2 directions is not a light field), a sensor smaller than one microlens, a non-positive *subpixel_px*, object_mm == focal_mm (propagated from optics.thin_lens: the object images at infinity), and an angular resolution of 1 in either axis, where the baseline would be a 0/0.
• lightfield_depth family guide
• Sample data catalog (DL URL / license) — 2-D के लिए skimage.data (BSD/public) + synthetic, 3-D के लिए real data sources (Stanford/PDS आदि) के DL URL।
• Operators का स्रोत और संदर्भ — इस op family के मूल research/methods के स्रोत।
• Algorithm का मानक स्रोत (लेखक, वर्ष) और उपयोग ऊपर की family usage guide में दिए गए हैं।
• lightfield_depth — py -3.11 examples/lightfield_depth.py
• poc_compound_eye — py -3.11 examples/poc_compound_eye.py
table को input के रूप में लेते हैं)—
depth)lf_depth_from_focus · lf_epi_slope · lf_disparity_to_depth · lf_all_in_focus
*Provenance: lightfield.py — LIGHTFIELD operator registry. यह per-op note tools/opdocs.py md से अपने-आप generate होता है (हाथ से edit न करें)।*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.