Adding result shower

This commit is contained in:
2025-12-10 16:55:28 +02:00
parent 5370d31dce
commit 833b222fad
7 changed files with 672 additions and 71 deletions

View File

@@ -1,15 +1,39 @@
"""
Results tab for the microscopy object detection application.
Results tab for browsing stored detections and visualizing overlays.
"""
from PySide6.QtWidgets import QWidget, QVBoxLayout, QLabel, QGroupBox
from pathlib import Path
from typing import Dict, List, Optional
from PySide6.QtWidgets import (
QWidget,
QVBoxLayout,
QHBoxLayout,
QLabel,
QGroupBox,
QPushButton,
QSplitter,
QTableWidget,
QTableWidgetItem,
QHeaderView,
QAbstractItemView,
QMessageBox,
QCheckBox,
)
from PySide6.QtCore import Qt
from src.database.db_manager import DatabaseManager
from src.utils.config_manager import ConfigManager
from src.utils.logger import get_logger
from src.utils.image import Image, ImageLoadError
from src.gui.widgets import AnnotationCanvasWidget
logger = get_logger(__name__)
class ResultsTab(QWidget):
"""Results tab placeholder."""
"""Results tab showing detection history and preview overlays."""
def __init__(
self, db_manager: DatabaseManager, config_manager: ConfigManager, parent=None
@@ -18,29 +42,387 @@ class ResultsTab(QWidget):
self.db_manager = db_manager
self.config_manager = config_manager
self.detection_summary: List[Dict] = []
self.current_selection: Optional[Dict] = None
self.current_image: Optional[Image] = None
self.current_detections: List[Dict] = []
self._image_path_cache: Dict[str, str] = {}
self._setup_ui()
self.refresh()
def _setup_ui(self):
"""Setup user interface."""
layout = QVBoxLayout()
group = QGroupBox("Results")
group_layout = QVBoxLayout()
label = QLabel(
"Results viewer will be implemented here.\n\n"
"Features:\n"
"- Detection history browser\n"
"- Advanced filtering\n"
"- Statistics dashboard\n"
"- Export functionality"
)
group_layout.addWidget(label)
group.setLayout(group_layout)
# Splitter for list + preview
splitter = QSplitter(Qt.Horizontal)
layout.addWidget(group)
layout.addStretch()
# Left pane: detection list
left_container = QWidget()
left_layout = QVBoxLayout()
left_layout.setContentsMargins(0, 0, 0, 0)
controls_layout = QHBoxLayout()
self.refresh_btn = QPushButton("Refresh")
self.refresh_btn.clicked.connect(self.refresh)
controls_layout.addWidget(self.refresh_btn)
controls_layout.addStretch()
left_layout.addLayout(controls_layout)
self.results_table = QTableWidget(0, 5)
self.results_table.setHorizontalHeaderLabels(
["Image", "Model", "Detections", "Classes", "Last Updated"]
)
self.results_table.horizontalHeader().setSectionResizeMode(
0, QHeaderView.Stretch
)
self.results_table.horizontalHeader().setSectionResizeMode(
1, QHeaderView.Stretch
)
self.results_table.horizontalHeader().setSectionResizeMode(
2, QHeaderView.ResizeToContents
)
self.results_table.horizontalHeader().setSectionResizeMode(
3, QHeaderView.Stretch
)
self.results_table.horizontalHeader().setSectionResizeMode(
4, QHeaderView.ResizeToContents
)
self.results_table.setSelectionBehavior(QAbstractItemView.SelectRows)
self.results_table.setSelectionMode(QAbstractItemView.SingleSelection)
self.results_table.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.results_table.itemSelectionChanged.connect(self._on_result_selected)
left_layout.addWidget(self.results_table)
left_container.setLayout(left_layout)
# Right pane: preview canvas and controls
right_container = QWidget()
right_layout = QVBoxLayout()
right_layout.setContentsMargins(0, 0, 0, 0)
preview_group = QGroupBox("Detection Preview")
preview_layout = QVBoxLayout()
self.preview_canvas = AnnotationCanvasWidget()
self.preview_canvas.set_polyline_enabled(False)
self.preview_canvas.set_show_bboxes(True)
preview_layout.addWidget(self.preview_canvas)
toggles_layout = QHBoxLayout()
self.show_masks_checkbox = QCheckBox("Show Masks")
self.show_masks_checkbox.setChecked(False)
self.show_masks_checkbox.stateChanged.connect(self._apply_detection_overlays)
self.show_bboxes_checkbox = QCheckBox("Show Bounding Boxes")
self.show_bboxes_checkbox.setChecked(True)
self.show_bboxes_checkbox.stateChanged.connect(self._toggle_bboxes)
toggles_layout.addWidget(self.show_masks_checkbox)
toggles_layout.addWidget(self.show_bboxes_checkbox)
toggles_layout.addStretch()
preview_layout.addLayout(toggles_layout)
self.summary_label = QLabel("Select a detection result to preview.")
self.summary_label.setWordWrap(True)
preview_layout.addWidget(self.summary_label)
preview_group.setLayout(preview_layout)
right_layout.addWidget(preview_group)
right_container.setLayout(right_layout)
splitter.addWidget(left_container)
splitter.addWidget(right_container)
splitter.setStretchFactor(0, 1)
splitter.setStretchFactor(1, 2)
layout.addWidget(splitter)
self.setLayout(layout)
def refresh(self):
"""Refresh the tab."""
pass
"""Refresh the detection list and preview."""
self._load_detection_summary()
self._populate_results_table()
self.current_selection = None
self.current_image = None
self.current_detections = []
self.preview_canvas.clear()
self.summary_label.setText("Select a detection result to preview.")
def _load_detection_summary(self):
"""Load latest detection summaries grouped by image + model."""
try:
detections = self.db_manager.get_detections(limit=500)
summary_map: Dict[tuple, Dict] = {}
for det in detections:
key = (det["image_id"], det["model_id"])
metadata = det.get("metadata") or {}
entry = summary_map.setdefault(
key,
{
"image_id": det["image_id"],
"model_id": det["model_id"],
"image_path": det.get("image_path"),
"image_filename": det.get("image_filename")
or det.get("image_path"),
"model_name": det.get("model_name", ""),
"model_version": det.get("model_version", ""),
"last_detected": det.get("detected_at"),
"count": 0,
"classes": set(),
"source_path": metadata.get("source_path"),
"repository_root": metadata.get("repository_root"),
},
)
entry["count"] += 1
if det.get("detected_at") and (
not entry.get("last_detected")
or str(det.get("detected_at")) > str(entry.get("last_detected"))
):
entry["last_detected"] = det.get("detected_at")
if det.get("class_name"):
entry["classes"].add(det["class_name"])
if metadata.get("source_path") and not entry.get("source_path"):
entry["source_path"] = metadata.get("source_path")
if metadata.get("repository_root") and not entry.get("repository_root"):
entry["repository_root"] = metadata.get("repository_root")
self.detection_summary = sorted(
summary_map.values(),
key=lambda x: str(x.get("last_detected") or ""),
reverse=True,
)
except Exception as e:
logger.error(f"Failed to load detection summary: {e}")
QMessageBox.critical(
self,
"Error",
f"Failed to load detection results:\n{str(e)}",
)
self.detection_summary = []
def _populate_results_table(self):
"""Populate the table widget with detection summaries."""
self.results_table.setRowCount(len(self.detection_summary))
for row, entry in enumerate(self.detection_summary):
model_label = f"{entry['model_name']} {entry['model_version']}".strip()
class_list = (
", ".join(sorted(entry["classes"])) if entry["classes"] else "-"
)
items = [
QTableWidgetItem(entry.get("image_filename", "")),
QTableWidgetItem(model_label),
QTableWidgetItem(str(entry.get("count", 0))),
QTableWidgetItem(class_list),
QTableWidgetItem(str(entry.get("last_detected") or "")),
]
for col, item in enumerate(items):
item.setData(Qt.UserRole, row)
self.results_table.setItem(row, col, item)
self.results_table.clearSelection()
def _on_result_selected(self):
"""Handle selection changes in the detection table."""
selected_items = self.results_table.selectedItems()
if not selected_items:
return
row = selected_items[0].data(Qt.UserRole)
if row is None or row >= len(self.detection_summary):
return
entry = self.detection_summary[row]
if (
self.current_selection
and self.current_selection.get("image_id") == entry["image_id"]
and self.current_selection.get("model_id") == entry["model_id"]
):
return
self.current_selection = entry
image_path = self._resolve_image_path(entry)
if not image_path:
QMessageBox.warning(
self,
"Image Not Found",
"Unable to locate the image file for this detection.",
)
return
try:
self.current_image = Image(image_path)
self.preview_canvas.load_image(self.current_image)
except ImageLoadError as e:
logger.error(f"Failed to load image '{image_path}': {e}")
QMessageBox.critical(
self,
"Image Error",
f"Failed to load image for preview:\n{str(e)}",
)
return
self._load_detections_for_selection(entry)
self._apply_detection_overlays()
self._update_summary_label(entry)
def _load_detections_for_selection(self, entry: Dict):
"""Load detection records for the selected image/model pair."""
self.current_detections = []
if not entry:
return
try:
filters = {"image_id": entry["image_id"], "model_id": entry["model_id"]}
self.current_detections = self.db_manager.get_detections(filters)
except Exception as e:
logger.error(f"Failed to load detections for preview: {e}")
QMessageBox.critical(
self,
"Error",
f"Failed to load detections for this image:\n{str(e)}",
)
self.current_detections = []
def _apply_detection_overlays(self):
"""Draw detections onto the preview canvas based on current toggles."""
self.preview_canvas.clear_annotations()
self.preview_canvas.set_show_bboxes(self.show_bboxes_checkbox.isChecked())
if not self.current_detections or not self.current_image:
return
for det in self.current_detections:
color = self._get_class_color(det.get("class_name"))
if self.show_masks_checkbox.isChecked() and det.get("segmentation_mask"):
mask_points = self._convert_mask(det["segmentation_mask"])
if mask_points:
self.preview_canvas.draw_saved_polyline(mask_points, color)
bbox = [
det.get("x_min"),
det.get("y_min"),
det.get("x_max"),
det.get("y_max"),
]
if all(v is not None for v in bbox):
self.preview_canvas.draw_saved_bbox(bbox, color)
def _convert_mask(self, mask_points: List[List[float]]) -> List[List[float]]:
"""Convert stored [x, y] masks to [y, x] format for the canvas."""
converted = []
for point in mask_points:
if len(point) >= 2:
x, y = point[0], point[1]
converted.append([y, x])
return converted
def _toggle_bboxes(self):
"""Update bounding box visibility on the canvas."""
self.preview_canvas.set_show_bboxes(self.show_bboxes_checkbox.isChecked())
# Re-render to respect show/hide when toggled
self._apply_detection_overlays()
def _update_summary_label(self, entry: Dict):
"""Display textual summary for the selected detection run."""
classes = ", ".join(sorted(entry.get("classes", []))) or "-"
summary_text = (
f"Image: {entry.get('image_filename', 'unknown')}\n"
f"Model: {entry.get('model_name', '')} {entry.get('model_version', '')}\n"
f"Detections: {entry.get('count', 0)}\n"
f"Classes: {classes}\n"
f"Last Updated: {entry.get('last_detected', 'n/a')}"
)
self.summary_label.setText(summary_text)
def _resolve_image_path(self, entry: Dict) -> Optional[str]:
"""Resolve an image path using metadata, cache, and repository hints."""
relative_path = entry.get("image_path") if entry else None
cache_key = relative_path or entry.get("source_path")
if cache_key and cache_key in self._image_path_cache:
cached = Path(self._image_path_cache[cache_key])
if cached.exists():
return self._image_path_cache[cache_key]
del self._image_path_cache[cache_key]
candidates = []
source_path = entry.get("source_path") if entry else None
if source_path:
candidates.append(Path(source_path))
repo_roots = []
if entry.get("repository_root"):
repo_roots.append(entry["repository_root"])
config_repo = self.config_manager.get_image_repository_path()
if config_repo:
repo_roots.append(config_repo)
for root in repo_roots:
if relative_path:
candidates.append(Path(root) / relative_path)
if relative_path:
candidates.append(Path(relative_path))
for candidate in candidates:
try:
if candidate and candidate.exists():
resolved = str(candidate.resolve())
if cache_key:
self._image_path_cache[cache_key] = resolved
return resolved
except Exception:
continue
# Fallback: search by filename in known roots
filename = Path(relative_path).name if relative_path else None
if filename:
search_roots = [Path(root) for root in repo_roots if root]
if not search_roots:
search_roots = [Path("data")]
match = self._search_in_roots(filename, search_roots)
if match:
resolved = str(match.resolve())
if cache_key:
self._image_path_cache[cache_key] = resolved
return resolved
return None
def _search_in_roots(self, filename: str, roots: List[Path]) -> Optional[Path]:
"""Search for a file name within a list of root directories."""
for root in roots:
try:
if not root.exists():
continue
for candidate in root.rglob(filename):
return candidate
except Exception as e:
logger.debug(f"Error searching for {filename} in {root}: {e}")
return None
def _get_class_color(self, class_name: Optional[str]) -> str:
"""Return consistent color hex for a class name."""
if not class_name:
return "#FF6B6B"
color_map = self.config_manager.get_bbox_colors()
if class_name in color_map:
return color_map[class_name]
# Deterministic fallback color based on hash
palette = [
"#FF6B6B",
"#4ECDC4",
"#FFD166",
"#1D3557",
"#F4A261",
"#E76F51",
]
return palette[hash(class_name) % len(palette)]