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@anoken
Last active October 24, 2023 01:51
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# @anoken2017
# demo_face_recognition m5-custom firm needed
# fork https://github.com/sipeed/MaixPy_scripts/blob/master/machine_vision/demo_face_recognition.py
import sensor,image,lcd #関連ライブラリ
import KPU as kpu
import time
from Maix import FPIOA,GPIO,utils
from fpioa_manager import fm
from board import board_info
print(kpu.memtest())
task_fd = kpu.load("fd.smodel") #顔検出モデルのロード
task_ld = kpu.load("kp.smodel") #顔に5ポイントキーポイント検出モデルを読み込む
task_fe = kpu.load("fe.smodel") #顔の196次元の固有値モデルを読み込む
print(kpu.memtest())
clock = time.clock() #システムクロックを初期化し、フレームレートを計算する
fm.register(board_info.BUTTON_A, fm.fpioa.GPIO1) #設定ボタンピン
key_gpio=GPIO(GPIO.GPIO1, GPIO.IN, GPIO.PULL_UP)
last_key_state=1
key_pressed=0 #キーピンを初期化する
def check_key(): #ループでキーが押されたかどうかを検出するために使用されるキー検出機能、立ち下がりエッジが有効
global last_key_state
global key_pressed
val=key_gpio.value()
if last_key_state == 1 and val == 0:
key_pressed=1
else:
key_pressed=0
last_key_state = val
lcd.init() #LCD初期化
lcd.rotation(0) #センサーカメラを初期化する
sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.set_hmirror(1) #カメラミラーリングの設定
sensor.set_vflip(1) #カメラのフリップを設定する
sensor.run(1) #カメラを有効にする
anchor = (1.889, 2.5245, 2.9465, 3.94056, 3.99987, 5.3658, 5.155437, 6.92275, 6.718375, 9.01025) #anchor for face detect
#顔検出用アンカー
dst_point = [(44,59),(84,59),(64,82),(47,105),(81,105)]
#標準顔のキーポイントの位置標準顔の5つのキーポイント座標は、左目、右目、鼻、左口の角、右口の角
a = kpu.init_yolo2(task_fd, 0.5, 0.3, 5, anchor) #顔検出モデルを初期化する
img_lcd=image.Image()
img_face=image.Image(size=(128,128))
a=img_face.pix_to_ai()
record_ftr=[]
record_ftrs=[]
names = ['Mr.1', 'Mr.2', 'Mr.3', 'Mr.4', 'Mr.5', 'Mr.6', 'Mr.7', 'Mr.8', 'Mr.9' , 'Mr.10']
while(1):
check_key()
img = sensor.snapshot()
clock.tick()
code = kpu.run_yolo2(task_fd, img)
if code:
for i in code:
# Cut face and resize to 128x128
a = img.draw_rectangle(i.rect())
face_cut=img.cut(i.x(),i.y(),i.w(),i.h())
face_cut_128=face_cut.resize(128,128)
a=face_cut_128.pix_to_ai()
#a = img.draw_image(face_cut_128, (0,0))
# Landmark for face 5 points
fmap = kpu.forward(task_ld, face_cut_128)
plist=fmap[:]
le=(i.x()+int(plist[0]*i.w() - 10), i.y()+int(plist[1]*i.h()))
re=(i.x()+int(plist[2]*i.w()), i.y()+int(plist[3]*i.h()))
nose=(i.x()+int(plist[4]*i.w()), i.y()+int(plist[5]*i.h()))
lm=(i.x()+int(plist[6]*i.w()), i.y()+int(plist[7]*i.h()))
rm=(i.x()+int(plist[8]*i.w()), i.y()+int(plist[9]*i.h()))
a = img.draw_circle(le[0], le[1], 4)
a = img.draw_circle(re[0], re[1], 4)
a = img.draw_circle(nose[0], nose[1], 4)
a = img.draw_circle(lm[0], lm[1], 4)
a = img.draw_circle(rm[0], rm[1], 4)
# align face to standard position
src_point = [le, re, nose, lm, rm]
T=image.get_affine_transform(src_point, dst_point)
a=image.warp_affine_ai(img, img_face, T)
a=img_face.ai_to_pix()
#a = img.draw_image(img_face, (128,0))
del(face_cut_128)
# calculate face feature vector
fmap = kpu.forward(task_fe, img_face)
feature=kpu.face_encode(fmap[:])
reg_flag = False
scores = []
for j in range(len(record_ftrs)):
score = kpu.face_compare(record_ftrs[j], feature)
scores.append(score)
max_score = 0
index = 0
for k in range(len(scores)):
if max_score < scores[k]:
max_score = scores[k]
index = k
if max_score > 85:
a = img.draw_string(i.x(),i.y(), ("%s :%2.1f" % (names[index], max_score)), color=(0,255,0),scale=2)
else:
a = img.draw_string(i.x(),i.y(), ("X :%2.1f" % (max_score)), color=(255,0,0),scale=2)
if key_pressed == 1:
key_pressed = 0
record_ftr = feature
record_ftrs.append(record_ftr)
break
fps =clock.fps()
#print("%2.1f fps"%fps)
a = lcd.display(img)
#kpu.memtest()
#a = kpu.deinit(task_fe)
#a = kpu.deinit(task_ld)
#a = kpu.deinit(task_fd)
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