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"""
Minimal single-image pipeline for Hugging Face demo.
"""
import logging
from pathlib import Path
from typing import Dict, Any, Callable, Optional, Generator
import numpy as np
import cv2
from .config import Config
from .data import ImagePreprocessor, MaskHandler
from .features import TextureExtractor, VegetationIndexExtractor, MorphologyExtractor
from .output import OutputManager
from .segmentation import SegmentationManager
logger = logging.getLogger(__name__)
class SorghumPipeline:
"""Minimal pipeline for single-image processing."""
def __init__(self, config: Config):
"""Initialize pipeline."""
logging.basicConfig(level=logging.INFO, format='%(levelname)s - %(message)s')
self.config = config
self.config.validate()
# Initialize components with defaults
self.preprocessor = ImagePreprocessor()
self.mask_handler = MaskHandler()
self.texture_extractor = TextureExtractor()
self.vegetation_extractor = VegetationIndexExtractor()
self.morphology_extractor = MorphologyExtractor()
self.segmentation_manager = SegmentationManager(
model_name="briaai/RMBG-2.0",
device=self.config.get_device(),
trust_remote_code=True
)
self.output_manager = OutputManager(
output_folder=self.config.paths.output_folder,
settings=self.config.output
)
logger.info("Pipeline initialized")
def run(self, single_image_path: str) -> Dict[str, Any]:
"""Run pipeline on single image."""
logger.info("Processing single image...")
import time, imghdr, tifffile
from PIL import Image
start = time.perf_counter()
# --- Load image with TIFF preference ---
kind = imghdr.what(single_image_path)
suffix = Path(single_image_path).suffix.lower()
arr = None
if kind == "tiff" or suffix in [".tif", ".tiff"]:
try:
arr = tifffile.imread(single_image_path)
logger.info(f"Loaded TIFF: shape={arr.shape}, dtype={arr.dtype}")
except Exception as e:
logger.warning(f"tifffile failed ({e}), falling back to cv2")
arr = cv2.imread(single_image_path, cv2.IMREAD_UNCHANGED)
logger.info(f"Fallback read: shape={arr.shape}, dtype={arr.dtype}")
else:
arr = cv2.imread(single_image_path, cv2.IMREAD_UNCHANGED)
logger.info(f"Loaded non-TIFF: shape={arr.shape}, dtype={arr.dtype}")
# --- Normalize array shape ---
if arr is None:
raise ValueError(f"Could not read image: {single_image_path}")
if arr.ndim > 3:
arr = arr[..., 0] # drop extra dimension
if arr.ndim == 3 and arr.shape[-1] == 1:
arr = arr[..., 0] # squeeze singleton
logger.info(f"DEBUG normalized input: shape={arr.shape}, dtype={arr.dtype}")
# Wrap into PIL image for downstream pipeline
img = Image.fromarray(arr)
plants = {
"demo": {
"raw_image": (img, Path(single_image_path).name),
"plant_name": "demo",
# Keep original normalized array for visualization
"normalized_input": arr,
}
}
# Process: composite → segment → features → save
plants = self.preprocessor.create_composites(plants)
plants = self._segment(plants)
plants = self._extract_features(plants)
self.output_manager.create_output_directories()
for key, pdata in plants.items():
self.output_manager.save_plant_results(key, pdata)
elapsed = time.perf_counter() - start
logger.info(f"Completed in {elapsed:.2f}s")
return {"plants": plants, "timing": elapsed}
def run_with_progress(self, single_image_path: str, progress_callback: Optional[Callable[[str, Dict[str, Any]], None]] = None) -> Generator[Dict[str, Any], None, None]:
"""Run pipeline on single image, yielding intermediate results progressively."""
logger.info("Processing single image with progress...")
import time, imghdr, tifffile
from PIL import Image
start = time.perf_counter()
# --- Load image with TIFF preference ---
kind = imghdr.what(single_image_path)
suffix = Path(single_image_path).suffix.lower()
arr = None
if kind == "tiff" or suffix in [".tif", ".tiff"]:
try:
arr = tifffile.imread(single_image_path)
logger.info(f"Loaded TIFF: shape={arr.shape}, dtype={arr.dtype}")
except Exception as e:
logger.warning(f"tifffile failed ({e}), falling back to cv2")
arr = cv2.imread(single_image_path, cv2.IMREAD_UNCHANGED)
logger.info(f"Fallback read: shape={arr.shape}, dtype={arr.dtype}")
else:
arr = cv2.imread(single_image_path, cv2.IMREAD_UNCHANGED)
logger.info(f"Loaded non-TIFF: shape={arr.shape}, dtype={arr.dtype}")
# --- Normalize array shape ---
if arr is None:
raise ValueError(f"Could not read image: {single_image_path}")
if arr.ndim > 3:
arr = arr[..., 0] # drop extra dimension
if arr.ndim == 3 and arr.shape[-1] == 1:
arr = arr[..., 0] # squeeze singleton
logger.info(f"DEBUG normalized input: shape={arr.shape}, dtype={arr.dtype}")
# Wrap into PIL image for downstream pipeline
img = Image.fromarray(arr)
plants = {
"demo": {
"raw_image": (img, Path(single_image_path).name),
"plant_name": "demo",
"normalized_input": arr,
}
}
# Create output directories early
self.output_manager.create_output_directories()
# Stage 1: Create composite
logger.info("Stage 1: Creating composite...")
plants = self.preprocessor.create_composites(plants)
if progress_callback:
progress_callback("composite", plants)
# Save composite immediately for display
for key, pdata in plants.items():
self.output_manager.save_plant_results(key, pdata)
yield {"plants": plants, "stage": "composite"}
# Stage 2: Segmentation
logger.info("Stage 2: Segmentation...")
plants = self._segment(plants)
if progress_callback:
progress_callback("segmentation", plants)
# Save mask and overlay
for key, pdata in plants.items():
self.output_manager.save_plant_results(key, pdata)
yield {"plants": plants, "stage": "segmentation"}
# Stage 3: Extract features (texture, vegetation, morphology)
logger.info("Stage 3: Extracting features...")
plants = self._extract_features(plants)
if progress_callback:
progress_callback("features", plants)
# Save all final outputs
for key, pdata in plants.items():
self.output_manager.save_plant_results(key, pdata)
elapsed = time.perf_counter() - start
logger.info(f"Completed in {elapsed:.2f}s")
yield {"plants": plants, "timing": elapsed, "stage": "complete"}
def _segment(self, plants: Dict[str, Any]) -> Dict[str, Any]:
"""Segment using BRIA."""
for key, pdata in plants.items():
composite = pdata['composite']
logger.info(f"Composite shape: {composite.shape}")
soft_mask = self.segmentation_manager.segment_image_soft(composite)
logger.info(f"Soft mask shape: {soft_mask.shape}")
mask_uint8 = (soft_mask * 255.0).astype(np.uint8)
logger.info(f"Mask uint8 shape: {mask_uint8.shape}")
pdata['mask'] = mask_uint8
return plants
def _extract_features(self, plants: Dict[str, Any]) -> Dict[str, Any]:
"""Extract features: texture + vegetation indices + morphology."""
for key, pdata in plants.items():
composite = pdata['composite']
mask = pdata.get('mask')
# --- Texture: LBP/HOG/Lacunarity on green band (downsample for speed) ---
pdata['texture_features'] = {}
spectral = pdata.get('spectral_stack', {})
if 'green' in spectral:
green_band = np.asarray(spectral['green'], dtype=np.float64)
if green_band.ndim == 3 and green_band.shape[-1] == 1:
green_band = green_band[..., 0]
# Downsample to 256x256 max for faster texture computation
h, w = green_band.shape[:2]
if h > 256 or w > 256:
scale = 256 / max(h, w)
green_band = cv2.resize(green_band, None, fx=scale, fy=scale, interpolation=cv2.INTER_LINEAR)
if mask is not None:
mask_resized = cv2.resize(mask, (green_band.shape[1], green_band.shape[0]), interpolation=cv2.INTER_NEAREST)
else:
mask_resized = None
else:
mask_resized = mask
if mask_resized is not None:
valid = np.where(mask_resized > 0, green_band, np.nan)
else:
valid = green_band
v = np.nan_to_num(valid, nan=np.nanmin(valid))
m, M = np.min(v), np.max(v)
denom = (M - m) if (M - m) > 1e-6 else 1.0
gray8 = ((v - m) / denom * 255.0).astype(np.uint8)
lbp_map = self.texture_extractor.extract_lbp(gray8)
hog_map = self.texture_extractor.extract_hog(gray8)
lac1_map = self.texture_extractor.compute_local_lacunarity(gray8)
pdata['texture_features'] = {'green': {'features': {'lbp': lbp_map, 'hog': hog_map, 'lac1': lac1_map}}}
# --- Vegetation indices ---
if spectral and mask is not None:
pdata['vegetation_indices'] = self._compute_vegetation(spectral, mask)
else:
pdata['vegetation_indices'] = {}
# --- Morphology ---
try:
if mask is not None and isinstance(composite, np.ndarray):
morph = self.morphology_extractor.extract_morphology_features(composite, mask)
pdata['morphology_features'] = morph
else:
pdata['morphology_features'] = {}
except Exception:
pdata['morphology_features'] = {}
return plants
def _compute_vegetation(self, spectral: Dict[str, np.ndarray], mask: np.ndarray) -> Dict[str, Any]:
"""Compute NDVI, GNDVI, SAVI."""
out = {}
for name in ("NDVI", "GNDVI", "SAVI"):
bands = self.vegetation_extractor.index_bands.get(name, [])
if not all(b in spectral for b in bands):
continue
arrays = []
for b in bands:
arr = np.asarray(spectral[b], dtype=np.float64)
if arr.ndim == 3 and arr.shape[-1] == 1:
arr = arr[..., 0]
arrays.append(arr)
values = self.vegetation_extractor.index_formulas[name](*arrays).astype(np.float64)
binary_mask = (mask > 0)
masked_values = np.where(binary_mask, values, np.nan)
valid = masked_values[~np.isnan(masked_values)]
stats = {
'mean': float(np.mean(valid)) if valid.size else 0.0,
'std': float(np.std(valid)) if valid.size else 0.0,
}
out[name] = {'values': masked_values, 'statistics': stats}
return out
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