更新 detacttracking
This commit is contained in:
lee
547
detecttracking/contrast/feat_extract/inference.py
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547
detecttracking/contrast/feat_extract/inference.py
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# -*- coding: utf-8 -*-
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"""
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@author: LiChen
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"""
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import numpy as np
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import torch
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from pathlib import Path
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from utils.config import config as cfg
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curpath = Path(__file__).resolve().parents[0]
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class FeatsInterface:
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def __init__(self, resnetModel=None):
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self.device = cfg.device
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self.transform = cfg.test_transform
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self.batch_size = cfg.batch_size
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self.embedding_size = cfg.embedding_size
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assert resnetModel is not None, "resnetModel is None"
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self.model = resnetModel
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print(f"Model type: {type(self.model)}")
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def inference(self, images, detections=None):
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'''
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如果是BGR，需要转变为RGB格式
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'''
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if isinstance(images, np.ndarray):
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imgs, features = self.inference_image(images, detections)
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return imgs, features
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batch_patches = []
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patches = []
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for i, img in enumerate(images):
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img = img.copy()
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patch = self.transform(img)
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if str(self.device) != "cpu":
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# patch = patch.to(device=self.device).half()
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patch = patch.to(device=self.device)
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else:
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patch = patch.to(device=self.device)
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patches.append(patch)
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if (i + 1) % self.batch_size == 0:
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patches = torch.stack(patches, dim=0)
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batch_patches.append(patches)
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patches = []
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if len(patches):
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patches = torch.stack(patches, dim=0)
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batch_patches.append(patches)
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features = np.zeros((0, self.embedding_size))
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for patches in batch_patches:
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pred = self.model(patches)
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pred[torch.isinf(pred)] = 1.0
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feat = pred.cpu().data.numpy()
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features = np.vstack((features, feat))
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return features
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def inference_image(self, image, detections):
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H, W, _ = np.shape(image)
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batch_patches = []
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patches = []
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imgs = []
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for d in range(np.size(detections, 0)):
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tlbr = detections[d, :4].astype(np.int_)
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tlbr[0] = max(0, tlbr[0])
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tlbr[1] = max(0, tlbr[1])
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tlbr[2] = min(W - 1, tlbr[2])
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tlbr[3] = min(H - 1, tlbr[3])
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img = image[tlbr[1]:tlbr[3], tlbr[0]:tlbr[2], :]
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imgs.append(img)
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img1 = img[:, :, ::-1].copy() # the model expects RGB inputs
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patch = self.transform(img1)
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# patch = patch.to(device=self.device).half()
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if str(self.device) != "cpu":
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# patch = patch.to(device=self.device).half()
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patch = patch.to(device=self.device)
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else:
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patch = patch.to(device=self.device)
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patches.append(patch)
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if (d + 1) % self.batch_size == 0:
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patches = torch.stack(patches, dim=0)
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batch_patches.append(patches)
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patches = []
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if len(patches):
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patches = torch.stack(patches, dim=0)
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batch_patches.append(patches)
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features = np.zeros((0, self.embedding_size))
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for patches in batch_patches:
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pred = self.model(patches)
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pred[torch.isinf(pred)] = 1.0
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feat = pred.cpu().data.numpy()
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features = np.vstack((features, feat))
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return imgs, features
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# def unique_image(pair_list) -> set:
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# """Return unique image path in pair_list.txt"""
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# with open(pair_list, 'r') as fd:
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# pairs = fd.readlines()
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# unique = set()
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# for pair in pairs:
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# id1, id2, _ = pair.split()
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# unique.add(id1)
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# unique.add(id2)
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# return unique
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#
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#
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# def group_image(images: set, batch) -> list:
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# """Group image paths by batch size"""
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# images = list(images)
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# size = len(images)
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# res = []
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# for i in range(0, size, batch):
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# end = min(batch + i, size)
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# res.append(images[i: end])
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# return res
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#
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#
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# def _preprocess(images: list, transform) -> torch.Tensor:
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# res = []
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# for img in images:
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# im = Image.open(img)
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# im = transform(im)
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# res.append(im)
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# # data = torch.cat(res, dim=0) # shape: (batch, 128, 128)
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# # data = data[:, None, :, :] # shape: (batch, 1, 128, 128)
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# data = torch.stack(res)
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# return data
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#
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#
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# def test_preprocess(images: list, transform) -> torch.Tensor:
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# res = []
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# for img in images:
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# im = Image.open(img)
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# im = transform(im)
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# res.append(im)
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# # data = torch.cat(res, dim=0) # shape: (batch, 128, 128)
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# # data = data[:, None, :, :] # shape: (batch, 1, 128, 128)
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# data = torch.stack(res)
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# return data
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#
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#
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# def featurize(images: list, transform, net, device, train=False) -> dict:
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# """featurize each image and save into a dictionary
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# Args:
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# images: image paths
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# transform: test transform
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# net: pretrained model
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# device: cpu or cuda
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# Returns:
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# Dict (key: imagePath, value: feature)
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# """
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# if train:
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# data = _preprocess(images, transform)
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# data = data.to(device)
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# net = net.to(device)
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# with torch.no_grad():
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# features = net(data)
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# res = {img: feature for (img, feature) in zip(images, features)}
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# else:
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# data = test_preprocess(images, transform)
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# data = data.to(device)
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# net = net.to(device)
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# with torch.no_grad():
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# features = net(data)
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# res = {img: feature for (img, feature) in zip(images, features)}
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# return res
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#
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#
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# # def inference_image(images: list, transform, net, device, bs=16, embedding_size=256) -> dict:
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# # batch_patches = []
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# # patches = []
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# # for d, img in enumerate(images):
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# # img = Image.open(img)
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# # patch = transform(img)
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#
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# # if str(device) != "cpu":
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# # patch = patch.to(device).half()
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# # else:
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# # patch = patch.to(device)
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#
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# # patches.append(patch)
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# # if (d + 1) % bs == 0:
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# # patches = torch.stack(patches, dim=0)
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# # batch_patches.append(patches)
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# # patches = []
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#
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# # if len(patches):
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# # patches = torch.stack(patches, dim=0)
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# # batch_patches.append(patches)
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#
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# # features = np.zeros((0, embedding_size), dtype=np.float32)
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# # for patches in batch_patches:
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# # pred = net(patches)
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# # pred[torch.isinf(pred)] = 1.0
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# # feat = pred.cpu().data.numpy()
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# # features = np.vstack((features, feat))
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#
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#
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# # return features
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#
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#
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# def featurize_1(images: list, transform, net, device, train=False) -> dict:
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# """featurize each image and save into a dictionary
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# Args:
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# images: image paths
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# transform: test transform
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# net: pretrained model
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# device: cpu or cuda
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# Returns:
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# Dict (key: imagePath, value: feature)
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# """
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#
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# data = test_preprocess(images, transform)
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# data = data.to(device)
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# net = net.to(device)
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# with torch.no_grad():
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# features = net(data).data.numpy()
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#
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# return features
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#
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#
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# def cosin_metric(x1, x2):
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# return np.dot(x1, x2) / (np.linalg.norm(x1) * np.linalg.norm(x2))
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#
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#
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# def threshold_search(y_score, y_true):
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# y_score = np.asarray(y_score)
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# y_true = np.asarray(y_true)
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# best_acc = 0
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# best_th = 0
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# for i in range(len(y_score)):
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# th = y_score[i]
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# y_test = (y_score >= th)
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# acc = np.mean((y_test == y_true).astype(int))
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# if acc > best_acc:
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# best_acc = acc
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# best_th = th
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# return best_acc, best_th
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#
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#
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# def showgrid(recall, recall_TN, PrecisePos, PreciseNeg):
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# x = np.linspace(start=-1.0, stop=1.0, num=50, endpoint=True).tolist()
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# plt.figure(figsize=(10, 6))
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# plt.plot(x, recall, color='red', label='recall')
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# plt.plot(x, recall_TN, color='black', label='recall_TN')
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# plt.plot(x, PrecisePos, color='blue', label='PrecisePos')
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# plt.plot(x, PreciseNeg, color='green', label='PreciseNeg')
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# plt.legend()
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# plt.xlabel('threshold')
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# # plt.ylabel('Similarity')
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# plt.grid(True, linestyle='--', alpha=0.5)
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# plt.savefig('accuracy_recall_grid.png')
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# plt.show()
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# plt.close()
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#
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#
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# def compute_accuracy_recall(score, labels):
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# th = 0.1
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# squence = np.linspace(-1, 1, num=50)
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# # squence = [0.4]
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# recall, PrecisePos, PreciseNeg, recall_TN = [], [], [], []
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# for th in squence:
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# t_score = (score > th)
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# t_labels = (labels == 1)
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# # print(t_score)
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# # print(t_labels)
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# TP = np.sum(np.logical_and(t_score, t_labels))
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# FN = np.sum(np.logical_and(np.logical_not(t_score), t_labels))
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# f_score = (score < th)
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# f_labels = (labels == 0)
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# TN = np.sum(np.logical_and(f_score, f_labels))
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# FP = np.sum(np.logical_and(np.logical_not(f_score), f_labels))
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# print("Threshold:{} TP:{},FP:{},TN:{},FN:{}".format(th, TP, FP, TN, FN))
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#
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# PrecisePos.append(0 if TP / (TP + FP) == 'nan' else TP / (TP + FP))
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# PreciseNeg.append(0 if TN == 0 else TN / (TN + FN))
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# recall.append(0 if TP == 0 else TP / (TP + FN))
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# recall_TN.append(0 if TN == 0 else TN / (TN + FP))
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# showgrid(recall, recall_TN, PrecisePos, PreciseNeg)
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#
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#
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# def compute_accuracy(feature_dict, pair_list, test_root):
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# with open(pair_list, 'r') as f:
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# pairs = f.readlines()
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#
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# similarities = []
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# labels = []
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# for pair in pairs:
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# img1, img2, label = pair.split()
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# img1 = osp.join(test_root, img1)
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# img2 = osp.join(test_root, img2)
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# feature1 = feature_dict[img1].cpu().numpy()
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# feature2 = feature_dict[img2].cpu().numpy()
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# label = int(label)
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#
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# similarity = cosin_metric(feature1, feature2)
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# similarities.append(similarity)
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# labels.append(label)
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#
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# accuracy, threshold = threshold_search(similarities, labels)
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# # print('similarities >> {}'.format(similarities))
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# # print('labels >> {}'.format(labels))
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# compute_accuracy_recall(np.array(similarities), np.array(labels))
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# return accuracy, threshold
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# def deal_group_pair(pairList1, pairList2):
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# allsimilarity = []
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# one_similarity = []
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# for pair1 in pairList1:
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# for pair2 in pairList2:
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# similarity = cosin_metric(pair1.cpu().numpy(), pair2.cpu().numpy())
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# one_similarity.append(similarity)
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# allsimilarity.append(max(one_similarity)) # 最大值
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# # allsimilarity.append(sum(one_similarity)/len(one_similarity)) # 均值
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# # allsimilarity.append(statistics.median(one_similarity)) # 中位数
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# # print(allsimilarity)
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# # print(labels)
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# return allsimilarity
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# def compute_group_accuracy(content_list_read):
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# allSimilarity, allLabel = [], []
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# for data_loaded in content_list_read:
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# one_group_list = []
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# for i in range(2):
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# images = [osp.join(conf.test_val, img) for img in data_loaded[i]]
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# group = group_image(images, conf.test_batch_size)
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# d = featurize(group[0], conf.test_transform, model, conf.device)
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# one_group_list.append(d.values())
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# similarity = deal_group_pair(one_group_list[0], one_group_list[1])
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# allLabel.append(data_loaded[-1])
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# allSimilarity.extend(similarity)
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# # print(allSimilarity)
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# # print(allLabel)
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# return allSimilarity, allLabel
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# def compute_contrast_accuracy(content_list_read):
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# npairs = 50
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#
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# same_folder_pairs = content_list_read['same_folder_pairs']
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# cross_folder_pairs = content_list_read['cross_folder_pairs']
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#
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# npairs = min((len(same_folder_pairs), len(cross_folder_pairs)))
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#
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# Encoder = FeatsInterface(conf)
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#
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# same_pairs = same_folder_pairs[:npairs]
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# cross_pairs = cross_folder_pairs[:npairs]
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#
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# same_pairs_similarity = []
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# for i in range(len(same_pairs)):
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# images_a = [osp.join(conf.test_val, img) for img in same_pairs[i][0]]
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# images_b = [osp.join(conf.test_val, img) for img in same_pairs[i][1]]
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#
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# feats_a = Encoder.inference(images_a)
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# feats_b = Encoder.inference(images_b)
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# # matrix = 1- np.maximum(0.0, cdist(feats_a, feats_b, 'cosine'))
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# matrix = 1 - cdist(feats_a, feats_b, 'cosine')
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#
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# feats_am = np.mean(feats_a, axis=0, keepdims=True)
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# feats_bm = np.mean(feats_b, axis=0, keepdims=True)
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# matrixm = 1 - np.maximum(0.0, cdist(feats_am, feats_bm, 'cosine'))
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#
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# same_pairs_similarity.append(np.mean(matrix))
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#
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# '''保存相同 Barcode 图像对'''
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# # foldi = os.path.join('./result/same', f'{i}')
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# # if os.path.exists(foldi):
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# # shutil.rmtree(foldi)
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# # os.makedirs(foldi)
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# # else:
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# # os.makedirs(foldi)
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# # for ipt in range(len(images_a)):
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# # source_path = images_a[ipt]
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# # destination_path = os.path.join(foldi, f'a_{ipt}.png')
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# # shutil.copy2(source_path, destination_path)
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# # for ipt in range(len(images_b)):
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# # source_path = images_b[ipt]
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# # destination_path = os.path.join(foldi, f'b_{ipt}.png')
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# # shutil.copy2(source_path, destination_path)
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#
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# cross_pairs_similarity = []
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# for i in range(len(cross_pairs)):
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# images_a = [osp.join(conf.test_val, img) for img in cross_pairs[i][0]]
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# images_b = [osp.join(conf.test_val, img) for img in cross_pairs[i][1]]
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#
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# feats_a = Encoder.inference(images_a)
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# feats_b = Encoder.inference(images_b)
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# # matrix = 1- np.maximum(0.0, cdist(feats_a, feats_b, 'cosine'))
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# matrix = 1 - cdist(feats_a, feats_b, 'cosine')
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#
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# feats_am = np.mean(feats_a, axis=0, keepdims=True)
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# feats_bm = np.mean(feats_b, axis=0, keepdims=True)
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# matrixm = 1 - np.maximum(0.0, cdist(feats_am, feats_bm, 'cosine'))
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#
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# cross_pairs_similarity.append(np.mean(matrix))
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#
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# '''保存不同 Barcode 图像对'''
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# # foldi = os.path.join('./result/cross', f'{i}')
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# # if os.path.exists(foldi):
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# # shutil.rmtree(foldi)
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# # os.makedirs(foldi)
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# # else:
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# # os.makedirs(foldi)
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# # for ipt in range(len(images_a)):
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# # source_path = images_a[ipt]
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# # destination_path = os.path.join(foldi, f'a_{ipt}.png')
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# # shutil.copy2(source_path, destination_path)
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||||
# # for ipt in range(len(images_b)):
|
||||
# # source_path = images_b[ipt]
|
||||
# # destination_path = os.path.join(foldi, f'b_{ipt}.png')
|
||||
# # shutil.copy2(source_path, destination_path)
|
||||
#
|
||||
# Thresh = np.linspace(-0.2, 1, 100)
|
||||
#
|
||||
# Same = np.array(same_pairs_similarity)
|
||||
# Cross = np.array(cross_pairs_similarity)
|
||||
#
|
||||
# fig, axs = plt.subplots(2, 1)
|
||||
# axs[0].hist(Same, bins=60, edgecolor='black')
|
||||
# axs[0].set_xlim([-0.2, 1])
|
||||
# axs[0].set_title('Same Barcode')
|
||||
#
|
||||
# axs[1].hist(Cross, bins=60, edgecolor='black')
|
||||
# axs[1].set_xlim([-0.2, 1])
|
||||
# axs[1].set_title('Cross Barcode')
|
||||
#
|
||||
# TPFN = len(Same)
|
||||
# TNFP = len(Cross)
|
||||
# Recall_Pos, Recall_Neg = [], []
|
||||
# Precision_Pos, Precision_Neg = [], []
|
||||
# Correct = []
|
||||
# for th in Thresh:
|
||||
# TP = np.sum(Same > th)
|
||||
# FN = TPFN - TP
|
||||
# TN = np.sum(Cross < th)
|
||||
# FP = TNFP - TN
|
||||
#
|
||||
# Recall_Pos.append(TP / TPFN)
|
||||
# Recall_Neg.append(TN / TNFP)
|
||||
# Precision_Pos.append(TP / (TP + FP))
|
||||
# Precision_Neg.append(TN / (TN + FN))
|
||||
# Correct.append((TN + TP) / (TPFN + TNFP))
|
||||
#
|
||||
# fig, ax = plt.subplots()
|
||||
# ax.plot(Thresh, Correct, 'r', label='Correct: (TN+TP)/(TPFN+TNFP)')
|
||||
# ax.plot(Thresh, Recall_Pos, 'b', label='Recall_Pos: TP/TPFN')
|
||||
# ax.plot(Thresh, Recall_Neg, 'g', label='Recall_Neg: TN/TNFP')
|
||||
# ax.plot(Thresh, Precision_Pos, 'c', label='Precision_Pos: TP/(TP+FP)')
|
||||
# ax.plot(Thresh, Precision_Neg, 'm', label='Precision_Neg: TN/(TN+FN)')
|
||||
#
|
||||
# ax.set_xlim([0, 1])
|
||||
# ax.set_ylim([0, 1])
|
||||
# ax.grid(True)
|
||||
# ax.set_title('PrecisePos & PreciseNeg')
|
||||
# ax.legend()
|
||||
# plt.show()
|
||||
#
|
||||
# print("Haved done!!!")
|
||||
#
|
||||
#
|
||||
# if __name__ == '__main__':
|
||||
#
|
||||
# # Network Setup
|
||||
# if conf.testbackbone == 'resnet18':
|
||||
# # model = ResIRSE(conf.img_size, conf.embedding_size, conf.drop_ratio).to(conf.device)
|
||||
# model = resnet18().to(conf.device)
|
||||
# # elif conf.testbackbone == 'resnet34':
|
||||
# # model = resnet34().to(conf.device)
|
||||
# # elif conf.testbackbone == 'resnet50':
|
||||
# # model = resnet50().to(conf.device)
|
||||
# # elif conf.testbackbone == 'mobilevit_s':
|
||||
# # model = mobilevit_s().to(conf.device)
|
||||
# # elif conf.testbackbone == 'mobilenetv3':
|
||||
# # model = MobileNetV3_Small().to(conf.device)
|
||||
# # elif conf.testbackbone == 'mobilenet_v1':
|
||||
# # model = mobilenet_v1().to(conf.device)
|
||||
# # elif conf.testbackbone == 'PPLCNET_x1_0':
|
||||
# # model = PPLCNET_x1_0().to(conf.device)
|
||||
# # elif conf.testbackbone == 'PPLCNET_x0_5':
|
||||
# # model = PPLCNET_x0_5().to(conf.device)
|
||||
# # elif conf.backbone == 'PPLCNET_x2_5':
|
||||
# # model = PPLCNET_x2_5().to(conf.device)
|
||||
# # elif conf.testbackbone == 'mobilenet_v2':
|
||||
# # model = mobilenet_v2().to(conf.device)
|
||||
# # elif conf.testbackbone == 'resnet14':
|
||||
# # model = resnet14().to(conf.device)
|
||||
# else:
|
||||
# raise ValueError('Have not model {}'.format(conf.backbone))
|
||||
#
|
||||
# print('load model {} '.format(conf.testbackbone))
|
||||
# # model = nn.DataParallel(model).to(conf.device)
|
||||
# model.load_state_dict(torch.load(conf.test_model, map_location=conf.device))
|
||||
# model.eval()
|
||||
# if not conf.group_test:
|
||||
# images = unique_image(conf.test_list)
|
||||
# images = [osp.join(conf.test_val, img) for img in images]
|
||||
#
|
||||
# groups = group_image(images, conf.test_batch_size) ##根据batch_size取图片
|
||||
#
|
||||
# feature_dict = dict()
|
||||
# for group in groups:
|
||||
# d = featurize(group, conf.test_transform, model, conf.device)
|
||||
# feature_dict.update(d)
|
||||
# # print('feature_dict', feature_dict)
|
||||
# accuracy, threshold = compute_accuracy(feature_dict, conf.test_list, conf.test_val)
|
||||
#
|
||||
# print(
|
||||
# f"Test Model: {conf.test_model}\n"
|
||||
# f"Accuracy: {accuracy:.3f}\n"
|
||||
# f"Threshold: {threshold:.3f}\n"
|
||||
# )
|
||||
# elif conf.group_test:
|
||||
# """
|
||||
# conf.test_val: 测试数据集地址
|
||||
# conf.test_group_json：测试数据分组配置文件
|
||||
# """
|
||||
# filename = conf.test_group_json
|
||||
#
|
||||
# filename = "../cl/images_1.json"
|
||||
# with open(filename, 'r', encoding='utf-8') as file:
|
||||
# content_list_read = json.load(file)
|
||||
#
|
||||
# compute_contrast_accuracy(content_list_read)
|
||||
|
||||
# =============================================================================
|
||||
# Similarity, Label = compute_group_accuracy(content_list_read)
|
||||
# print('allSimilarity >> {}'.format(Similarity))
|
||||
# print('allLabel >> {}'.format(Label))
|
||||
# compute_accuracy_recall(np.array(Similarity), np.array(Label))
|
||||
# # compute_group_accuracy(data_loaded)
|
||||
#
|
||||
# =============================================================================
|
||||
Reference in New Issue
Block a user