import pdb from pathlib import Path import sys PROJECT_ROOT = Path(__file__).absolute().parents[0].absolute() sys.path.insert(0, str(PROJECT_ROOT)) import os import torch import numpy as np import cv2 import torchvision.transforms as transforms from torch.utils.data import DataLoader from datasets.simple_extractor_dataset import SimpleFolderDataset from utils.transforms import transform_logits from tqdm import tqdm from PIL import Image def get_palette(num_cls): """ Returns the color map for visualizing the segmentation mask. Args: num_cls: Number of classes Returns: The color map """ n = num_cls palette = [0] * (n * 3) for j in range(0, n): lab = j palette[j * 3 + 0] = 0 palette[j * 3 + 1] = 0 palette[j * 3 + 2] = 0 i = 0 while lab: palette[j * 3 + 0] |= (((lab >> 0) & 1) << (7 - i)) palette[j * 3 + 1] |= (((lab >> 1) & 1) << (7 - i)) palette[j * 3 + 2] |= (((lab >> 2) & 1) << (7 - i)) i += 1 lab >>= 3 return palette def delete_irregular(logits_result): parsing_result = np.argmax(logits_result, axis=2) upper_cloth = np.where(parsing_result == 4, 255, 0) contours, hierarchy = cv2.findContours(upper_cloth.astype(np.uint8), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_L1) area = [] for i in range(len(contours)): a = cv2.contourArea(contours[i], True) area.append(abs(a)) if len(area) != 0: top = area.index(max(area)) M = cv2.moments(contours[top]) cY = int(M["m01"] / M["m00"]) dresses = np.where(parsing_result == 7, 255, 0) contours_dress, hierarchy_dress = cv2.findContours(dresses.astype(np.uint8), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_L1) area_dress = [] for j in range(len(contours_dress)): a_d = cv2.contourArea(contours_dress[j], True) area_dress.append(abs(a_d)) if len(area_dress) != 0: top_dress = area_dress.index(max(area_dress)) M_dress = cv2.moments(contours_dress[top_dress]) cY_dress = int(M_dress["m01"] / M_dress["m00"]) wear_type = "dresses" if len(area) != 0: if len(area_dress) != 0 and cY_dress > cY: irregular_list = np.array([4, 5, 6]) logits_result[:, :, irregular_list] = -1 else: irregular_list = np.array([5, 6, 7, 8, 9, 10, 12, 13]) logits_result[:cY, :, irregular_list] = -1 wear_type = "cloth_pant" parsing_result = np.argmax(logits_result, axis=2) # pad border parsing_result = np.pad(parsing_result, pad_width=1, mode='constant', constant_values=0) return parsing_result, wear_type def hole_fill(img): img_copy = img.copy() mask = np.zeros((img.shape[0] + 2, img.shape[1] + 2), dtype=np.uint8) cv2.floodFill(img, mask, (0, 0), 255) img_inverse = cv2.bitwise_not(img) dst = cv2.bitwise_or(img_copy, img_inverse) return dst def refine_mask(mask): contours, hierarchy = cv2.findContours(mask.astype(np.uint8), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_L1) area = [] for j in range(len(contours)): a_d = cv2.contourArea(contours[j], True) area.append(abs(a_d)) refine_mask = np.zeros_like(mask).astype(np.uint8) if len(area) != 0: i = area.index(max(area)) cv2.drawContours(refine_mask, contours, i, color=255, thickness=-1) # keep large area in skin case for j in range(len(area)): if j != i and area[i] > 2000: cv2.drawContours(refine_mask, contours, j, color=255, thickness=-1) return refine_mask def refine_hole(parsing_result_filled, parsing_result, arm_mask): filled_hole = cv2.bitwise_and(np.where(parsing_result_filled == 4, 255, 0), np.where(parsing_result != 4, 255, 0)) - arm_mask * 255 contours, hierarchy = cv2.findContours(filled_hole, cv2.RETR_CCOMP, cv2.CHAIN_APPROX_TC89_L1) refine_hole_mask = np.zeros_like(parsing_result).astype(np.uint8) for i in range(len(contours)): a = cv2.contourArea(contours[i], True) # keep hole > 2000 pixels if abs(a) > 2000: cv2.drawContours(refine_hole_mask, contours, i, color=255, thickness=-1) return refine_hole_mask + arm_mask def onnx_inference(session, lip_session, input_dir): transform = transforms.Compose([ transforms.ToTensor(), transforms.Normalize(mean=[0.406, 0.456, 0.485], std=[0.225, 0.224, 0.229]) ]) dataset = SimpleFolderDataset(root=input_dir, input_size=[512, 512], transform=transform) dataloader = DataLoader(dataset) with torch.no_grad(): for _, batch in enumerate(tqdm(dataloader)): image, meta = batch c = meta['center'].numpy()[0] s = meta['scale'].numpy()[0] w = meta['width'].numpy()[0] h = meta['height'].numpy()[0] output = session.run(None, {"input.1": image.numpy().astype(np.float32)}) upsample = torch.nn.Upsample(size=[512, 512], mode='bilinear', align_corners=True) upsample_output = upsample(torch.from_numpy(output[1][0]).unsqueeze(0)) upsample_output = upsample_output.squeeze() upsample_output = upsample_output.permute(1, 2, 0) # CHW -> HWC logits_result = transform_logits(upsample_output.data.cpu().numpy(), c, s, w, h, input_size=[512, 512]) parsing_result = np.argmax(logits_result, axis=2) parsing_result = np.pad(parsing_result, pad_width=1, mode='constant', constant_values=0) # try holefilling the clothes part arm_mask = (parsing_result == 14).astype(np.float32) \ + (parsing_result == 15).astype(np.float32) upper_cloth_mask = (parsing_result == 4).astype(np.float32) + arm_mask img = np.where(upper_cloth_mask, 255, 0) dst = hole_fill(img.astype(np.uint8)) parsing_result_filled = dst / 255 * 4 parsing_result_woarm = np.where(parsing_result_filled == 4, parsing_result_filled, parsing_result) # add back arm and refined hole between arm and cloth refine_hole_mask = refine_hole(parsing_result_filled.astype(np.uint8), parsing_result.astype(np.uint8), arm_mask.astype(np.uint8)) parsing_result = np.where(refine_hole_mask, parsing_result, parsing_result_woarm) # remove padding parsing_result = parsing_result[1:-1, 1:-1] dataset_lip = SimpleFolderDataset(root=input_dir, input_size=[473, 473], transform=transform) dataloader_lip = DataLoader(dataset_lip) with torch.no_grad(): for _, batch in enumerate(tqdm(dataloader_lip)): image, meta = batch c = meta['center'].numpy()[0] s = meta['scale'].numpy()[0] w = meta['width'].numpy()[0] h = meta['height'].numpy()[0] output_lip = lip_session.run(None, {"input.1": image.numpy().astype(np.float32)}) upsample = torch.nn.Upsample(size=[473, 473], mode='bilinear', align_corners=True) upsample_output_lip = upsample(torch.from_numpy(output_lip[1][0]).unsqueeze(0)) upsample_output_lip = upsample_output_lip.squeeze() upsample_output_lip = upsample_output_lip.permute(1, 2, 0) # CHW -> HWC logits_result_lip = transform_logits(upsample_output_lip.data.cpu().numpy(), c, s, w, h, input_size=[473, 473]) parsing_result_lip = np.argmax(logits_result_lip, axis=2) # add neck parsing result neck_mask = np.logical_and(np.logical_not((parsing_result_lip == 13).astype(np.float32)), (parsing_result == 11).astype(np.float32)) parsing_result = np.where(neck_mask, 18, parsing_result) palette = get_palette(19) output_img = Image.fromarray(np.asarray(parsing_result, dtype=np.uint8)) output_img.putpalette(palette) face_mask = torch.from_numpy((parsing_result == 11).astype(np.float32)) return output_img, face_mask