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@@ -78,6 +78,7 @@ def _matcher_cache_key(roi: np.ndarray, tech: dict) -> str:
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h.update(roi.tobytes())
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# Solo parametri che influenzano il training
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relevant = ("num_features", "weak_grad", "strong_grad",
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"min_feature_spacing",
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"angle_min", "angle_max", "angle_step",
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"scale_min", "scale_max", "scale_step",
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"spread_radius", "pyramid_levels")
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@@ -131,45 +132,87 @@ def _encode_png(img: np.ndarray) -> bytes:
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def _draw_matches(scene: np.ndarray, matches: list[Match],
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template_gray: np.ndarray | None) -> np.ndarray:
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template_gray: np.ndarray | None,
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matcher: "LineShapeMatcher | None" = None) -> np.ndarray:
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"""Disegna SOLO UCS (richiesta utente) per ogni match trovato.
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UCS = sistema di coordinate (X rosso, Y verde) posizionato sul
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baricentro feature del modello, ruotato secondo l'angolo del match.
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Niente edge, niente cerchietti feature, niente bbox: i match sulla
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scena reale devono essere puliti, gli edge filtrati si vedono solo
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nell'anteprima modello.
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"""
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out = scene.copy()
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H, W = scene.shape[:2]
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palette = [
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(0, 255, 0), (0, 200, 255), (255, 100, 100), (255, 200, 0),
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(200, 0, 255), (100, 255, 200), (255, 0, 0), (0, 255, 255),
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]
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# Lunghezza assi UCS: stessa formula dell'anteprima modello
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# (0.15 * max lato template) scalata per m.scale → coerenza dimensionale.
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if matcher is not None and matcher.template_size != (0, 0):
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L_base = int(0.15 * max(matcher.template_size))
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else:
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L_base = 30
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H_scene, W_scene = scene.shape[:2]
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for i, m in enumerate(matches):
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color = palette[i % len(palette)]
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if template_gray is not None:
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# UCS posizionato esattamente sul CENTRO POSE del match (m.cx, m.cy):
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# equivale al centro template traslato alla scena, ruotato con
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# m.angle_deg. Coerente con UCS dell'anteprima modello che ora
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# e' anche sul centro ROI (vedi preview_edges).
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ax = np.deg2rad(m.angle_deg)
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ca, sa = np.cos(ax), np.sin(ax)
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cx, cy = int(round(m.cx)), int(round(m.cy))
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# Overlay edge del modello orientato (richiesta utente):
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# warpa template alla pose, applica hysteresis identica al matcher,
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# disegna pixel edge come overlay verde tenue. Maschera col
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# _train_mask warpato + erode per rimuovere edge sui BORDI del
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# rettangolo template (transizione bordo nero → scena = falso edge
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# che appariva come "ROI" attorno a ogni match).
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if template_gray is not None and matcher is not None:
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t = template_gray
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th, tw = t.shape
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edge = cv2.Canny(t, 50, 150)
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cx_t = (tw - 1) / 2.0; cy_t = (th - 1) / 2.0
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M = cv2.getRotationMatrix2D((cx_t, cy_t), m.angle_deg, m.scale)
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M[0, 2] += m.cx - cx_t
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M[1, 2] += m.cy - cy_t
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warped = cv2.warpAffine(edge, M, (W, H),
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flags=cv2.INTER_NEAREST, borderValue=0)
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mask = warped > 0
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if mask.any():
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overlay = np.zeros_like(out)
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overlay[mask] = color
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out[mask] = (0.3 * out[mask] + 0.7 * overlay[mask]).astype(np.uint8)
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poly = m.bbox_poly.astype(np.int32).reshape(-1, 1, 2)
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cv2.polylines(out, [poly], True, color, 2, cv2.LINE_AA)
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p0 = tuple(m.bbox_poly[0].astype(int))
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p1 = tuple(m.bbox_poly[1].astype(int))
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cv2.line(out, p0, p1, color, 4, cv2.LINE_AA)
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cx, cy = int(round(m.cx)), int(round(m.cy))
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cv2.drawMarker(out, (cx, cy), color, cv2.MARKER_CROSS, 22, 2, cv2.LINE_AA)
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L = int(np.linalg.norm(m.bbox_poly[1] - m.bbox_poly[0])) // 2
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a = np.deg2rad(m.angle_deg)
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cv2.arrowedLine(out, (cx, cy),
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(int(cx + L * np.cos(a)), int(cy - L * np.sin(a))),
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color, 2, cv2.LINE_AA, tipLength=0.2)
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label = f"#{i+1} {m.angle_deg:.0f}d s={m.scale:.2f} {m.score:.2f}"
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cv2.putText(out, label, (cx + 8, cy - 8),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, color, 2, cv2.LINE_AA)
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warped_gray = cv2.warpAffine(
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t, M, (W_scene, H_scene),
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flags=cv2.INTER_LINEAR, borderValue=0)
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# Maschera: train_mask se disponibile, altrimenti rettangolo pieno
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mask_src = (matcher._train_mask if matcher._train_mask is not None
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else np.full((th, tw), 255, dtype=np.uint8))
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warped_mask = cv2.warpAffine(
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mask_src, M, (W_scene, H_scene),
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flags=cv2.INTER_NEAREST, borderValue=0)
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# Erode di spread_radius per scartare la fascia di transizione
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# bordo che produce gradient spurio
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er_k = max(3, 2 * matcher.spread_radius + 1)
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kernel_er = np.ones((er_k, er_k), np.uint8)
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warped_mask = cv2.erode(warped_mask, kernel_er)
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mag, _ = matcher._gradient(warped_gray)
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if matcher.weak_grad < matcher.strong_grad:
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edge_mask = matcher._hysteresis_mask(mag)
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else:
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edge_mask = mag >= matcher.strong_grad
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edge_mask = edge_mask & (warped_mask > 0)
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if edge_mask.any():
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edge_overlay = np.zeros_like(out)
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edge_overlay[edge_mask] = (0, 220, 0) # verde brillante
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out = cv2.addWeighted(out, 1.0, edge_overlay, 0.6, 0)
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L = max(20, int(L_base * m.scale))
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# X axis = rotazione di (1, 0) con cv2 matrix → (cos, -sin)
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x_end = (int(cx + L * ca), int(cy - L * sa))
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# Y axis = rotazione di (0, 1) con cv2 matrix → (sin, cos)
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# A m.angle_deg=0 deve puntare GIU' (image y-down convenzione modello)
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y_end = (int(cx + L * sa), int(cy + L * ca))
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cv2.arrowedLine(out, (cx, cy), x_end,
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(0, 0, 255), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "X", (x_end[0] + 4, x_end[1] + 5),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 1, cv2.LINE_AA)
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cv2.arrowedLine(out, (cx, cy), y_end,
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(0, 255, 0), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "Y", (y_end[0] + 4, y_end[1] + 12),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 1, cv2.LINE_AA)
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# Origine UCS: cerchio bianco con bordo nero
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cv2.circle(out, (cx, cy), 4, (0, 0, 0), -1, cv2.LINE_AA)
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cv2.circle(out, (cx, cy), 3, (255, 255, 255), -1, cv2.LINE_AA)
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return out
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@@ -272,6 +315,15 @@ class SimpleMatchParams(BaseModel):
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penalita_scala: float = 0.0 # 0 = score shape invariante, >0 = penalizza scala != 1
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min_score: float = 0.65
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max_matches: int = 25
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# --- Override edge da pannello "Anteprima edge" (None = auto_tune) ---
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# Quando settati, sovrascrivono i valori derivati da auto_tune e
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# vengono usati identici sia nel training del matcher sia nel find.
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# Salvati nella ricetta cosi' la stessa pulizia rumore e' replicata
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# quando la ricetta viene caricata.
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edge_weak_grad: float | None = None
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edge_strong_grad: float | None = None
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edge_num_features: int | None = None
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edge_min_feature_spacing: int | None = None
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# --- Halcon-mode flags (default off = backward compat) ---
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# Init-time (richiede ri-train se cambiato)
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use_polarity: bool = False # F: 16 bin orientation mod 2pi
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@@ -320,10 +372,24 @@ def _simple_to_technical(
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smin, smax, sstep = SCALE_PRESETS.get(p.scala, (1.0, 1.0, 0.1))
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ang_step = PRECISION_ANGLE_STEP.get(p.precisione, 5.0)
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# Override edge dal pannello "Anteprima edge" se utente li ha settati.
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# Questi sostituiscono i valori auto_tune nel training del matcher,
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# garantendo che la selezione edge identica a quella del preview
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# venga usata sia in training sia in find.
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weak_g = (p.edge_weak_grad if p.edge_weak_grad is not None
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else tune["weak_grad"])
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strong_g = (p.edge_strong_grad if p.edge_strong_grad is not None
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else tune["strong_grad"])
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n_feat = (p.edge_num_features if p.edge_num_features is not None
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else nf)
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min_sp = (p.edge_min_feature_spacing if p.edge_min_feature_spacing is not None
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else 3)
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return {
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"num_features": nf,
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"weak_grad": tune["weak_grad"],
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"strong_grad": tune["strong_grad"],
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"num_features": n_feat,
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"weak_grad": weak_g,
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"strong_grad": strong_g,
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"min_feature_spacing": min_sp,
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"spread_radius": spread,
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"pyramid_levels": pyr,
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"angle_min": 0.0,
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@@ -511,7 +577,7 @@ def match(p: MatchParams):
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# Render annotated image
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tg = cv2.cvtColor(roi_img, cv2.COLOR_BGR2GRAY)
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annotated = _draw_matches(scene, matches, tg)
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annotated = _draw_matches(scene, matches, tg, matcher=m)
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ann_id = _store_image(annotated)
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return MatchResp(
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@@ -559,6 +625,7 @@ def match_simple(p: SimpleMatchParams):
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scale_range=(tech["scale_min"], tech["scale_max"]),
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scale_step=tech["scale_step"],
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spread_radius=tech["spread_radius"],
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min_feature_spacing=tech.get("min_feature_spacing", 3),
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pyramid_levels=tech["pyramid_levels"],
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use_polarity=p.use_polarity,
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use_gpu=p.use_gpu,
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@@ -588,7 +655,7 @@ def match_simple(p: SimpleMatchParams):
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t_find = time.time() - t0
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tg = cv2.cvtColor(roi_img, cv2.COLOR_BGR2GRAY)
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annotated = _draw_matches(scene, matches, tg)
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annotated = _draw_matches(scene, matches, tg, matcher=m)
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ann_id = _store_image(annotated)
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return MatchResp(
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@@ -628,6 +695,11 @@ class SaveRecipeParams(BaseModel):
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precisione: str = "normale"
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use_polarity: bool = False
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use_gpu: bool = False
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# Override edge dal pannello "Anteprima edge" (None = auto_tune)
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edge_weak_grad: float | None = None
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edge_strong_grad: float | None = None
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edge_num_features: int | None = None
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edge_min_feature_spacing: int | None = None
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name: str # nome file ricetta (no path)
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@@ -694,26 +766,23 @@ def preview_edges(p: EdgePreviewParams):
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b = int(fb[i])
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col = bin_colors[b % len(bin_colors)]
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cv2.circle(out, (int(fx[i]), int(fy[i])), 2, col, -1, cv2.LINE_AA)
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# UCS sul baricentro feature (richiesta utente): assi X rosso, Y verde
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bary_cx = bary_cy = None
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if len(fx) > 0:
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bary_cx = float(np.mean(fx))
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bary_cy = float(np.mean(fy))
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bx, by = int(round(bary_cx)), int(round(bary_cy))
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axis_len = max(20, int(0.15 * max(out.shape[:2])))
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# X axis (rosso, verso destra)
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cv2.arrowedLine(out, (bx, by), (bx + axis_len, by),
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(0, 0, 255), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "X", (bx + axis_len + 4, by + 5),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 1, cv2.LINE_AA)
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# Y axis (verde, verso il basso = convenzione image y-down)
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cv2.arrowedLine(out, (bx, by), (bx, by + axis_len),
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(0, 255, 0), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "Y", (bx + 4, by + axis_len + 12),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 1, cv2.LINE_AA)
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# Origine: cerchio bianco con bordo nero
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cv2.circle(out, (bx, by), 4, (0, 0, 0), -1, cv2.LINE_AA)
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cv2.circle(out, (bx, by), 3, (255, 255, 255), -1, cv2.LINE_AA)
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# UCS sul CENTRO ROI (coerente con _draw_matches che usa centro pose).
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# In questo modo l'UCS visualizzato nel modello = UCS del match (modulo
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# rotazione/traslazione data dalla pose del pezzo trovato).
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rh, rw = roi_img.shape[:2]
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bx, by = (rw - 1) // 2, (rh - 1) // 2
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axis_len = max(20, int(0.15 * max(rw, rh)))
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cv2.arrowedLine(out, (bx, by), (bx + axis_len, by),
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(0, 0, 255), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "X", (bx + axis_len + 4, by + 5),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 255), 1, cv2.LINE_AA)
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cv2.arrowedLine(out, (bx, by), (bx, by + axis_len),
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(0, 255, 0), 2, cv2.LINE_AA, tipLength=0.2)
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cv2.putText(out, "Y", (bx + 4, by + axis_len + 12),
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cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 1, cv2.LINE_AA)
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cv2.circle(out, (bx, by), 4, (0, 0, 0), -1, cv2.LINE_AA)
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cv2.circle(out, (bx, by), 3, (255, 255, 255), -1, cv2.LINE_AA)
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bary_cx, bary_cy = float(bx), float(by)
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img_id = _store_image(out)
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n_edge_strong = int((mag >= m.strong_grad).sum())
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n_edge_total = int(edge_mask.sum() / 255)
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@@ -745,6 +814,10 @@ def save_recipe(p: SaveRecipeParams):
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tipo=p.tipo, simmetria=p.simmetria, scala=p.scala,
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precisione=p.precisione,
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use_polarity=p.use_polarity, use_gpu=p.use_gpu,
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edge_weak_grad=p.edge_weak_grad,
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edge_strong_grad=p.edge_strong_grad,
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edge_num_features=p.edge_num_features,
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edge_min_feature_spacing=p.edge_min_feature_spacing,
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)
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tech = _simple_to_technical(sp, roi_img)
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m = LineShapeMatcher(
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@@ -864,7 +937,7 @@ def match_recipe(p: RecipeMatchParams):
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)
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t_find = time.time() - t0
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tg = m.template_gray if m.template_gray is not None else np.zeros((1, 1), np.uint8)
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annotated = _draw_matches(scene, matches, tg)
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annotated = _draw_matches(scene, matches, tg, matcher=m)
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ann_id = _store_image(annotated)
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return MatchResp(
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matches=[MatchResult(
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