20160928-meganeco - Speaker Deck

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C-LIS CO., LTD.

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5FOTPS'MPXͰ झຯͷը૾ऩूαʔόʔΛ࡞Δ ݄̕ಛେ߸

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C-LIS CO., LTD. ༗ࢁܓೋʢ,FJKJ"3*:"."ʣ C-LIS CO., LTD. AndroidΞϓϦ։ൃऀ ػցֶशॳ৺ऀ ΍ͬͯ·ͤΜ 1IPUP,PKJ.03*(6$)* "6/$3&"5*7&'*3.

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C-LIS CO., LTD.

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C-LIS CO., LTD.

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લճ·Ͱͷ͓࿩

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IUUQTUFDICPPLGFTUPSH"

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C-LIS CO., LTD.

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C-LIS CO., LTD. IUUQBN[OUPC,3N

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C-LIS CO., LTD. .FHBOF /PU

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޷Έͷ؟ڸ່ͬը૾ΛࣗಈͰऩू͍ͨ͠

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C-LIS CO., LTD. Ϟσϧ 7((/FUΛࢀߟʹ৞ΈࠐΈ૚ͷ࿈ଓΛ༻͍ͨ$// ʢ$POWPMVUJPOBM/FVSBM/FUXPSLʣϞσϧ DPO YY DPO YY GD QPPM Y DPO YY DPO YY QPPM Y GD GD PVUQVU

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C-LIS CO., LTD. %BUB"VHNFOUBUJPO ը૾Λ ʜ౓·ͰɺͦΕͧΕճసͨ͠ը૾Λ࡞੒ ಡΈࠐΈ࣌ͷॲཧ  3BOEPN$SPQʢQYதɺQYྖҬΛ͘Γൈ͘ʣ  3BOEPN'MJQʢԣ࣠ํ޲ʹ൓సʣ  3BOEPN6Q%PXOʢॎ࣠ํ޲ʹ൓సʣ  3BOEPN#SJHIUOFTT  3BOEPN$POUSBTU

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C-LIS CO., LTD. ܇࿅ ֶशΞϧΰϦζϜ"EBN ֶश཰ ϛχόον

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C-LIS CO., LTD. ݕূ σʔληοτ͔ΒΛςετ༻ͱͯ͠෼཭ ਖ਼౴཰ʙ

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Πϥετإݕग़ثʢ'BDF%FUFDUPSʣ

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C-LIS CO., LTD. Πϥετإσʔληοτ ؟ڸ່ͬͱͦ͏Ͱͳ͍΋ͷɻ߹Θͤͯ ຕΛ  ਖ਼ྫʢʹإʣͱ͢Δʢ͏ͪςετσʔλຕʣ ෛྫ͸ɺطଘͷը૾Λࡉ੾Εʹͯ͠ɺإ͕ͳ͍෦෼ ຕΛෛྫͱ͢Δʢ͏ͪςετσʔλຕʣ

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C-LIS CO., LTD. Πϥετσʔληοτ ਖ਼ྫ ෛྫ ߹ܭ ܇࿅σʔλ 1,600 3,200 4,800 ςετσʔλ 400 800 1,200 ߹ܭ 2,000 4,005 6,000

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C-LIS CO., LTD. Ϟσϧ $*'"3νϡʔτϦΞϧͷϞσϧΛࢀߟʹ  υϩοϓΞ΢τʢˋʣΛ௥Ճͨ͠$//ʢ$POWPMVUJPOBM/FVSBM /FUXPSLʣ DPO YY GD QPPM Y DPO YY GD PVUQVU MSO MSO QPPM Y

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C-LIS CO., LTD. %BUB"VHNFOUBUJPO ը૾͸Yʹॖখ ը૾Λ ʜ౓ɺͦΕͧΕճసͨ͠ը૾Λ࡞੒ ಡΈࠐΈ࣌ͷॲཧ  3BOEPN$SPQʢQYதɺQYྖҬͰ͘Γൈ͘ʣ  3BOEPN'MJQʢԣ࣠ํ޲ʹ൓సʣ  3BOEPN6Q%PXOʢॎ࣠ํ޲ʹ൓సʣ  3BOEPN#SJHIUOFTT  3BOEPN$POUSBTU

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C-LIS CO., LTD. ܇࿅ ֶशΞϧΰϦζϜ"EBN ֶश཰ ϛχόον

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C-LIS CO., LTD. ܇࿅ ϛχόονɺ໿ສεςοϓͷ܇࿅Ͱ  ϩε཰͕·Ͱ௿Լ ςετσʔλͰͷਖ਼ղ཰

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إݕग़

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C-LIS CO., LTD. إ͸Ͳ͜ʹ͋Δʁ

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C-LIS CO., LTD. 4FMFDUJWF4FBSDI 35$PSQPSBUJPOͷʮ౜༲͛ϩϘοτʯ 5FOTPS'MPXษڧձʢ̐ʣ೥݄೔Ͱൃද IUUQXXXTMJEFTIBSFOFU:VLJ/BLBHBXBUFOTPSqPXSFW

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C-LIS CO., LTD. 4FMFDUJWF4FBSDI "MQBDBࣾʹΑΔ࣮૷  IUUQCMPHKQBMQBDBBJFOUSZ EMJCͷ࣮૷  IUUQTHJUIVCDPNEBWJTLJOHEMJCCMPCNBTUFS QZUIPO@FYBNQMFTpOE@DBOEJEBUF@PCKFDU@MPDBUJPOTQZ

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C-LIS CO., LTD. લճͷ՝୊ ݕग़࣌ؒͷ୹ॖ ೝࣝਫ਼౓ͷ޲্

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ݕग़࣌ؒͷ୹ॖ

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C-LIS CO., LTD. إݕग़ͷखॱ ީิྖҬͷ੾Γग़͠ SelectiveSearch

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C-LIS CO., LTD. إݕग़ͷखॱ إೝࣝ TensorFlow ީิྖҬͷ੾Γग़͠ SelectiveSearch OݸͷީิྖҬ

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C-LIS CO., LTD. άϥϑͱηογϣϯΛҙࣝ͢Δ ީิྖҬͷ੾Γग़͠ SelectiveSearch إೝࣝ TensorFlow άϥϑͷ࡞੒ ηογϣϯͷ։࢝ tf.Session() άϥϑͷ࣮ߦ run OݸͷީิྖҬ ը૾σʔλʴ ը૾σʔλ

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C-LIS CO., LTD. إೝࣝ TensorFlow άϥϑͱηογϣϯΛҙࣝ͢Δ άϥϑͷ࡞੒ ηογϣϯͷ։࢝ tf.Session() άϥϑͷ࣮ߦ run άϥϑ  Ϧηοτ OݸͷྖҬΛ͢΂ͯධՁ OݸͷީิྖҬ ը૾σʔλʴ

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C-LIS CO., LTD. ࠷దͳྖҬΛ୳ࡧʢ3FHSFTTJPOʣ

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C-LIS CO., LTD. إೝࣝ TensorFlow ຖճάϥϑΛ࡞੒ɾηογϣϯΛ։࢝ άϥϑͷ࡞੒ ηογϣϯͷ։࢝ άϥϑͷ࣮ߦ run άϥϑ  Ϧηοτ OݸͷྖҬΛ͢΂ͯධՁ OݸͷީิྖҬ ը૾σʔλʴ

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class FaceDetector(object):  image_path = None  original_image = None  graph = None  sess = None  queue = None  top_k_indices = None  top_k_values = None  region_batch = None  coord = None    configuration = None    def __init__(self, image_path, batch_size, train_dir):  self.image_path = image_path  self.original_image = Image.open(image_path)  self.original_image = self.original_image.convert('RGB')    checkpoint = tf.train.get_checkpoint_state(train_dir)  if not (checkpoint and checkpoint.model_checkpoint_path):  print('νΣοΫϙΠϯτϑΝΠϧ͕ݟ͔ͭΓ·ͤΜ')  return    self.graph, self.queue, self.top_k_indices, self.top_k_values, self.region_batch = \  self._init_graph(self.original_image, batch_size)    with self.graph.as_default() as g:  self.sess = tf.Session()  saver = tf.train.Saver()  saver.restore(self.sess, checkpoint.model_checkpoint_path)    self.coord = tf.train.Coordinator() 

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def _init_graph(self, image, batch_size):  reshaped_image = np.array(image.getdata()).reshape(image.height, image.width, 3).astype(  np.float32)    graph = tf.Graph()    with graph.as_default() as g:  queue = tf.FIFOQueue(3000, tf.int32, shapes=[4])    region = queue.dequeue()  whitten_image = self._load_image(reshaped_image, region)    image_batch, region_batch = tf.train.batch(  [whitten_image, region],  batch_size=batch_size,  capacity=10000)    logits = tf.nn.softmax(model.inference(image_batch, tf.constant(1.0), batch_size))  top_k_values, top_k_indices = tf.nn.top_k(logits, 2, sorted=True)    return graph, queue, top_k_indices, top_k_values, region_batch

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def _eval(self, region_list, batch_size):  result = []    with graph.as_default() as g:  threads = tf.train.start_queue_runners(sess=sess, coord=coord)    step = 0  try:  # όοναΠζʹ߹Θͤͯ਺Λௐ੔  while len(region_list) < batch_size or len(region_list) % batch_size != 0:  add = region_list[0:(batch_size - (len(region_list) % batch_size))]  region_list = region_list + add    region_list = np.array(region_list)    enqueue = queue.enqueue_many(region_list)  sess.run(enqueue)    num_iter = int(math.ceil(len(region_list) / batch_size))    while step < num_iter and not coord.should_stop():    # ҎԼུ

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C-LIS CO., LTD. إೝࣝ TensorFlow ީิྖҬͷΈ༩͑Δ άϥϑͷ࡞੒ ηογϣϯͷ։࢝ άϥϑͷ࣮ߦ run άϥϑ  Ϧηοτ OݸͷྖҬΛ͢΂ͯධՁ ը૾σʔλ OݸͷީิྖҬ

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ೝࣝਫ਼౓ͷ޲্ σʔληοτͷ֦ॆ

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C-LIS CO., LTD. 5XJUUFS"1* ಛఆͷϢʔβʔͷλΠϜϥΠϯʹ౤ߘ͞ΕͨϝσΟΞ ʢը૾ʣΛμ΢ϯϩʔυ ϋογϡΛܭࢉͯ͠ॏෳը૾ΛϑΟϧλϦϯά  ʢαΠζҧ͍ͳͲͷྨࣅը૾͸ফ͖͠Εͳ͍ʣ

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C-LIS CO., LTD. Πϥετإσʔλऩूʹ  ࠷దͳΞΧ΢ϯτ !CPU@FSFDUJPO IUUQTUXJUUFSDPNCPU@FSFDUJPO

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C-LIS CO., LTD. ࿐ࠎʹੑతͳը૾͸ɺ΄΅ଘࡏ͠ͳ͍ πΠʔτʹඞͣը૾͕ఴ෇͞Ε͍ͯΔ ը૾ʹਓҎ্ͷঁͷࢠͷإؚ͕·Ε͍ͯΔ

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5XJUUFS͔Βऔಘͨ͠ϑΝΠϧ਺ ݕग़ͨ͠إྖҬͷ਺ɹɹɹɹɹɹɹɹ

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C-LIS CO., LTD. { "detected_faces": { "mode": "selective_search", "regions": [ { "label": 1, "rect": { "left": 212.0, "bottom": 654.0, "top": 94.0, "right": 483.0 }, "probability": 0.9994481205940247 } ] }, "created_at": "2016-09-28T03:37:16.223942", "file_name": "kage_maturi-CAARxE8UwAEzAjJ.jpg", "generator": "Megane Co" } ݁ՌΛ+40/Ͱॻ͖ग़͠

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C-LIS CO., LTD. 3FHJPO$SPQQFS +BWB'9,PUMJO IUUQTHJUIVCDPNLFJKJSFHJPO@DSPQQFS

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%FNP

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C-LIS CO., LTD. 3FHJPO$SPQQFS /FXGFBUVSF ɾબ୒தͷྖҬΛϑΥʔΧε ɾ6OEP ɾTFUUJOHTKTPOʹΑΔઃఆ  ɹϥϕϧ͝ͱͷ࿮ઢ৭  ɹฤूɺ࡟আͷՄ൱ IUUQTHJUIVCDPNLFJKJSFHJPO@DSPQQFS

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C-LIS CO., LTD. ݕग़ͨ͠إྖҬͷ਺ʢॏෳΛ࡟আʣɹɹɹɹɹɹɹɹ إʢਖ਼ྫʣ ޡݕग़ʢෛྫʣ

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C-LIS CO., LTD. ৽σʔληοτ ਖ਼ྫ ෛྫ ߹ܭ ܇࿅σʔλ 10,453 10,792 21,245 ςετσʔλ 2,619 2,703 5,322 ߹ܭ 13,072 13,495 26,567

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C-LIS CO., LTD. ৽σʔληοτʹΑΔ܇࿅ ϛχόονɺສεςοϓͷ܇࿅Ͱ  ϩε཰͕·Ͱ௿Լ ςετσʔλʹΑΔݕূͰͷਖ਼ղ཰

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C-LIS CO., LTD. چσʔληοτ ਖ਼ྫ ෛྫ ߹ܭ ܇࿅σʔλ 1,600 3,200 4,800 ςετσʔλ 400 800 1,200 ߹ܭ 2,000 4,005 6,000

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C-LIS CO., LTD. چσʔληοτͷ܇࿅ ϛχόονɺ໿ສεςοϓͷ܇࿅Ͱ  ϩε཰͕·Ͱ௿Լ ςετσʔλͰͷݕূͰͷਖ਼ղ཰

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C-LIS CO., LTD. ৽Ϟσϧ͸ੑೳ͕ѱ͍ʁ چςετσʔλ چϞσϧ ৽ςετσʔλ ৽Ϟσϧ

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C-LIS CO., LTD. ৽چͷςετσʔλΛަ׵ چϞσϧ ৽ςετσʔλ چςετσʔλ ৽Ϟσϧ

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C-LIS CO., LTD. ৽چͷςετσʔλΛݕূ چϞσϧ ৽ςετσʔλ چςετσʔλ ৽Ϟσϧ چςετσʔλ چϞσϧ ৽ςετσʔλ ৽Ϟσϧ

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C-LIS CO., LTD. إೝࣝʹࣦഊͨ͠σʔλΛݕূ  ʢچςετσʔλʣ OPU@GBDF GBDF

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C-LIS CO., LTD. إೝࣝʹࣦഊͨ͠σʔλΛݕূ  ʢ৽ςετσʔλʣ OPU@GBDF GBDF

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࣍ճ༧ࠂ

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C-LIS CO., LTD. σʔλͷΫϨϯδϯάʹΑΔೝࣝਫ਼౓ͷมԽΛݟΔ ݕग़଎౓Λ͞Βʹվળ͢Δ ࣍ճ༧ࠂ IUUQTXXXTBLVSBBEKQLPVLBSZPLV

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C-LIS CO., LTD. C-LIS CO., LTD. ຊࢿྉ͸ɺ༗ݶձࣾγʔϦεͷஶ࡞෺Ͱ͢ɻܝࡌ͞Ε͍ͯΔΠϥετʹ͸ݸผʹஶ࡞ݖ͕͋Γ·͢ɻ ຊࢿྉͷશ෦ɺ·ͨ͸Ұ෦ʹ͍ͭͯɺஶ࡞ऀ͔ΒจॻʹΑΔڐ୚Λಘͣʹෳ੡͢Δ͜ͱ͸ې͡ΒΕ͍ͯ·͢ɻ ֤੡඼໊ɾϒϥϯυ໊ɺձ໊ࣾͳͲ͸ɺҰൠʹ֤ࣾͷ঎ඪ·ͨ͸ొ࿥঎ඪͰ͢ɻຊࢿྉதͰ͸ɺɺɺäΛׂѪͯ͠ ͍·͢ɻ