File size: 5,128 Bytes
add24bd
 
 
 
 
5673379
 
f63e98a
5673379
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
add24bd
 
 
 
 
 
 
 
 
5673379
f63e98a
add24bd
 
 
f63e98a
 
add24bd
 
f63e98a
5673379
 
 
add24bd
 
 
 
 
 
 
 
 
 
4dfed21
add24bd
 
5673379
 
 
 
 
 
 
 
 
 
 
 
 
add24bd
 
f63e98a
add24bd
f63e98a
add24bd
 
5673379
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
add24bd
5673379
 
 
add24bd
 
5673379
4dfed21
5673379
 
add24bd
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
"""Gradio demo: PCB defect + golden reference -> enriched image (A11_CA prebackbone)."""

from __future__ import annotations

import os
import socket
from pathlib import Path

_ROOT = Path(__file__).resolve().parent


def _is_hf_space() -> bool:
    return bool(os.environ.get("SPACE_ID") or os.environ.get("SYSTEM") == "spaces")


def _configure_runtime() -> None:
    os.environ.setdefault("GRADIO_SERVER_PORT", os.environ.get("PORT", "7860"))
    os.environ.setdefault(
        "PREBACKBONE_ONLY_WEIGHTS",
        str(_ROOT / "weights" / "prebackbone_a11_ca.pt"),
    )
    if _is_hf_space():
        os.environ.setdefault("PRELOAD_MODEL", "1")
        os.environ.setdefault("GRADIO_SERVER_NAME", "0.0.0.0")


_configure_runtime()

import gradio_patch

gradio_patch.apply()

import gradio as gr
import numpy as np
from PIL import Image

from prebackbone_infer import enrich_pair, get_enricher

TITLE = "RefDiffNet — PCB Reference–Defect Enrichment"
DESCRIPTION = """
Upload a **defect PCB image** and its **golden reference** (same H×W, pre-aligned — e.g. `*_input.jpg` / `*_reference.jpg` from training).
The A11_CA prebackbone outputs an **enriched** image: `enriched = defect + α · gate · delta`
"""


def run_demo(defect_path: str | None, reference_path: str | None):
    if not defect_path or not reference_path:
        raise gr.Error("Please upload both defect and reference images.")

    defect_rgb, ref_rgb, enriched_rgb = enrich_pair(defect_path, reference_path)
    defect_rgb = np.array(defect_rgb, dtype=np.uint8, copy=True)
    ref_rgb = np.array(ref_rgb, dtype=np.uint8, copy=True)
    enriched_rgb = np.array(enriched_rgb, dtype=np.uint8, copy=True)

    h = max(defect_rgb.shape[0], ref_rgb.shape[0], enriched_rgb.shape[0])

    def _pad(im: np.ndarray) -> np.ndarray:
        if im.shape[0] == h:
            return im
        pad = h - im.shape[0]
        return np.pad(im, ((0, pad), (0, 0), (0, 0)), mode="constant", constant_values=114)

    row = np.concatenate([_pad(defect_rgb), _pad(ref_rgb), _pad(enriched_rgb)], axis=1)
    return Image.fromarray(enriched_rgb), Image.fromarray(row)


def _example_pairs() -> list[list[str]]:
    pairs: list[list[str]] = []
    ex_dir = _ROOT / "examples"
    if not ex_dir.is_dir():
        return pairs
    for inp in sorted(ex_dir.glob("*_input.jpg")):
        ref = inp.with_name(inp.name.replace("_input.", "_reference."))
        if ref.is_file():
            pairs.append([str(inp), str(ref)])
    return pairs


def _preload_model() -> None:
    try:
        get_enricher()
        print("[RefDiffNet] Prebackbone loaded.")
    except FileNotFoundError as e:
        print(f"[RefDiffNet] WARN: {e}")


def build_demo() -> gr.Blocks:
    with gr.Blocks(title=TITLE) as demo:
        gr.Markdown(DESCRIPTION.strip())
        with gr.Row():
            defect_in = gr.Image(type="filepath", label="Defect image (input)")
            ref_in = gr.Image(type="filepath", label="Golden reference")
        run_btn = gr.Button("Run enrichment", variant="primary")
        with gr.Row():
            out_enriched = gr.Image(type="pil", label="Enriched output")
            out_row = gr.Image(type="pil", label="Defect | Reference | Enriched")
        run_btn.click(run_demo, inputs=[defect_in, ref_in], outputs=[out_enriched, out_row])

        examples = _example_pairs()
        if examples:
            gr.Examples(
                examples=examples,
                inputs=[defect_in, ref_in],
                examples_per_page=3,
                label="Example pairs (pre-aligned HR-IPCB samples)",
            )
    return demo


demo = build_demo()


def _launch_kwargs() -> dict:
    if _is_hf_space():
        return {
            "server_name": "0.0.0.0",
            "server_port": int(os.environ.get("PORT", "7860")),
            "share": False,
        }
    server_name = os.environ.get("GRADIO_SERVER_NAME", "127.0.0.1")
    preferred_port = int(os.environ.get("PORT", os.environ.get("GRADIO_SERVER_PORT", "7860")))
    bind_host = "127.0.0.1" if server_name in ("127.0.0.1", "localhost") else server_name
    server_port = preferred_port
    if server_name in ("127.0.0.1", "localhost"):
        for port in range(preferred_port, preferred_port + 20):
            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
                sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
                try:
                    sock.bind((bind_host, port))
                    server_port = port
                    break
                except OSError:
                    continue
    share = os.environ.get("GRADIO_SHARE", "").lower() in ("1", "true", "yes")
    return {
        "server_name": server_name,
        "server_port": server_port,
        "share": share,
    }


if __name__ == "__main__":
    print(f"[RefDiffNet] gradio {getattr(gr, '__version__', 'unknown')}")
    if os.environ.get("PRELOAD_MODEL", "0").lower() in ("1", "true", "yes"):
        _preload_model()

    demo.launch(
        **(_launch_kwargs()),
        show_error=True,
        inbrowser=False,
        prevent_thread_lock=False,
    )