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annotate scripts/process.py @ 985:668a85c963c3
work on processing and managing large video datasets
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Tue, 06 Mar 2018 22:44:33 -0500 |
parents | a69695d14e59 |
children | 3be8aaa47651 |
rev | line source |
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work in progress on script to manage large dataset with multiple sites
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1 #! /usr/bin/env python |
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2 |
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3 import sys, argparse |
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4 from pathlib2 import Path |
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5 |
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6 import storage, events, prediction |
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7 from metadata import * |
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8 |
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9 parser = argparse.ArgumentParser(description='This program manages the processing of several files based on a description of the sites and video data in an SQLite database following the metadata module.') |
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10 parser.add_argument('--db', dest = 'metadataFilename', help = 'name of the metadata file', required = True) |
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11 parser.add_argument('--videos', dest = 'videoIds', help = 'indices of the video sequences', nargs = '*', type = int) |
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12 parser.add_argument('--pet', dest = 'computePET', help = 'computes PET', action = 'store_true') |
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13 parser.add_argument('--delete', dest = 'delete', help = 'data to delete', choices = ['feature', 'object', 'classification', 'interaction']) |
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14 parser.add_argument('--process', dest = 'process', help = 'data to process', choices = ['feature', 'object', 'classification', 'interaction']) |
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15 parser.add_argument('--analyze', dest = 'analyze', help = 'data to analyze (results)', choices = ['feature', 'object', 'classification', 'interaction']) |
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16 |
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17 # need way of selecting sites as similar as possible to sql alchemy syntax |
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18 # override tracking.cfg from db |
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19 # manage cfg files, overwrite them (or a subset of parameters) |
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20 # delete sqlite files |
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21 |
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22 parser.add_argument('--nthreads', dest = 'nProcesses', help = 'number of processes to run in parallel', type = int, default = 1) |
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23 |
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24 args = parser.parse_args() |
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25 # files are relative to metadata location |
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26 |
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27 session = connectDatabase(args.metadataFilename) |
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28 parentDir = Path(args.metadataFilename).parent |
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29 |
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30 if args.delete is not None: |
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31 if args.delete in ['object', 'interaction']: |
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32 #parser.add_argument('-t', dest = 'dataType', help = 'type of the data to remove', required = True, choices = ['object','interaction', 'bb', 'pois', 'prototype']) |
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33 for videoId in args.videoIds: |
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34 vs = session.query(VideoSequence).get(videoId) |
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35 storage.deleteFromSqlite(str(parentDir/vs.getDatabaseFilename()), args.delete) |
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36 |
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37 if args.process == 'interaction': |
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38 # safety analysis TODO make function in safety analysis script |
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39 predictionParameters = prediction.CVExactPredictionParameters() |
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40 for videoId in args.videoIds: |
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41 vs = session.query(VideoSequence).get(videoId) |
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42 print('Processing '+vs.getDatabaseFilename()) |
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43 objects = storage.loadTrajectoriesFromSqlite(str(parentDir/vs.getDatabaseFilename()), 'object')#, args.nObjects, withFeatures = (params.useFeaturesForPrediction or predictionMethod == 'ps' or predictionMethod == 'mp')) |
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44 interactions = events.createInteractions(objects) |
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45 #if args.nProcesses == 1: |
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46 #print(str(parentDir/vs.cameraView.getTrackingConfigurationFilename())) |
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47 params = storage.ProcessParameters(str(parentDir/vs.cameraView.getTrackingConfigurationFilename())) |
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48 #print(len(interactions), args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones) |
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49 processed = events.computeIndicators(interactions, True, args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones, False, None) |
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50 storage.saveIndicatorsToSqlite(str(parentDir/vs.getDatabaseFilename()), processed) |
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51 # else: |
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52 # pool = Pool(processes = args.nProcesses) |
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53 # nInteractionPerProcess = int(np.ceil(len(interactions)/float(args.nProcesses))) |
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54 # jobs = [pool.apply_async(events.computeIndicators, args = (interactions[i*nInteractionPerProcess:(i+1)*nInteractionPerProcess], not args.noMotionPrediction, args.computePET, predictionParameters, params.collisionDistance, params.predictionTimeHorizon, params.crossingZones, False, None)) for i in range(args.nProcesses)] |
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55 # processed = [] |
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56 # for job in jobs: |
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57 # processed += job.get() |
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58 # pool.close() |
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59 |
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60 if args.analyze == 'interaction': |
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61 indicatorIds = [2,5,7,10] |
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62 indicators = {} |
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63 interactions = {} |
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64 for videoId in args.videoIds: |
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65 vs = session.query(VideoSequence).get(videoId) |
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66 if not vs.cameraView.siteIdx in interactions: |
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67 interactions[vs.cameraView.siteIdx] = [] |
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68 for i in indicatorIds: |
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69 indicators[events.Interaction.indicatorNames[i]][vs.cameraView.siteIdx] = [] |
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70 interactions[vs.cameraView.siteIdx].append(storage.loadInteractionsFromSqlite(str(parentDir/vs.getDatabaseFilename()))) |
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71 print(vs.getDatabaseFilename(), len(interactions)) |
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72 for inter in interactions[videoId]: |
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73 for i in indicatorIds: |
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74 indic = inter.getIndicator(events.Interaction.indicatorNames[i]) |
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75 if indic is not None: |
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76 indicators[events.Interaction.indicatorNames[i]][vs.cameraView.siteIdx].append(indic.getMostSevereValue()) |