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AR_Mouse_Python/HandTrakingModule.py at main · sedoll/AR_Mouse_Python · GitHub
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sedoll
AR_Mouse_Python
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HandTrakingModule.py
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AR_Mouse_Python
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HandTrakingModule.py
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import
cv2
import
mediapipe
as
mp
import
time
import
numpy
as
np
import
math
cap
=
cv2
.
VideoCapture
(
0
)
# 손에 관련된 클래스
class
HandDetector
():
def
__init__
(
self
,
mode
=
False
,
maxHands
=
2
,
modelC
=
1
,
detectionCon
=
0.5
,
trackCon
=
0.5
):
self
.
mode
=
mode
self
.
maxHands
=
maxHands
self
.
modelC
=
modelC
self
.
detectionCon
=
detectionCon
self
.
trackCon
=
trackCon
self
.
mpHands
=
mp
.
solutions
.
hands
# 새 버전에서 modelC가 추가 됨, 오류 수정 https://github.com/google/mediapipe/issues/2818
self
.
hands
=
self
.
mpHands
.
Hands
(
self
.
mode
,
self
.
maxHands
,
self
.
modelC
,
self
.
detectionCon
,
self
.
trackCon
)
self
.
mpDraw
=
mp
.
solutions
.
drawing_utils
self
.
tipIds
=
[
4
,
8
,
12
,
16
,
20
]
# 엄지, 검지, 중지, 약지, 소지 끝 부분 id
# 손을 찾아서 해당 위치를 그림 그려주는 함수
def
findHands
(
self
,
img
,
draw
=
True
):
imgRGB
=
cv2
.
cvtColor
(
img
,
cv2
.
COLOR_BGR2RGB
)
# BGR을 RGB 순으로 바꾼다
self
.
results
=
self
.
hands
.
process
(
imgRGB
)
# print(results.multi_hand_landmarks) # 손의 위치 좌표 표시
# 손의 위치를 계산하여 표시
if
self
.
results
.
multi_hand_landmarks
:
for
handLms
in
self
.
results
.
multi_hand_landmarks
:
if
draw
:
self
.
mpDraw
.
draw_landmarks
(
img
,
handLms
,
self
.
mpHands
.
HAND_CONNECTIONS
)
# 손의 좌표를 점으로 표시
return
img
# return이 있어야 제대로 실행된다.
# 손의 위치를 연산해서 그림 그려주는 함수
def
findpostion
(
self
,
img
,
handNo
=
0
,
draw
=
True
,
blue
=
255
,
green
=
255
,
red
=
255
):
xList
=
[]
yList
=
[]
bbox
=
[]
self
.
lmList
=
[]
if
self
.
results
.
multi_hand_landmarks
:
myHand
=
self
.
results
.
multi_hand_landmarks
[
handNo
]
for
id
,
lm
,
in
enumerate
(
myHand
.
landmark
):
# print(id, lm) # 손 위치 id를 x, y, z를 통해 출력
h
,
w
,
c
=
img
.
shape
cx
,
cy
=
int
(
lm
.
x
*
w
),
int
(
lm
.
y
*
h
)
xList
.
append
(
cx
)
yList
.
append
(
cy
)
# print(id, cx, cy)
self
.
lmList
.
append
([
id
,
cx
,
cy
])
if
draw
:
# 위치를 그려줌
cv2
.
circle
(
img
, (
cx
,
cy
),
5
, (
blue
,
green
,
red
),
cv2
.
FILLED
)
xmin
,
xmax
=
min
(
xList
),
max
(
xList
)
ymin
,
ymax
=
min
(
yList
),
max
(
yList
)
bbox
=
xmin
,
ymin
,
xmax
,
ymax
if
draw
:
cv2
.
rectangle
(
img
, (
xmin
-
20
,
ymin
-
20
), (
xmax
+
20
,
ymax
+
20
), (
0
,
255
,
0
),
2
)
return
self
.
lmList
,
bbox
def
fingersUp
(
self
):
fingers
=
[]
# Thumb
if
self
.
lmList
[
self
.
tipIds
[
0
]][
1
]
>
self
.
lmList
[
self
.
tipIds
[
0
]
-
1
][
1
]:
fingers
.
append
(
1
)
else
:
fingers
.
append
(
0
)
# Fingers
for
id
in
range
(
1
,
5
):
if
self
.
lmList
[
self
.
tipIds
[
id
]][
2
]
<
self
.
lmList
[
self
.
tipIds
[
id
]
-
2
][
2
]:
fingers
.
append
(
1
)
else
:
fingers
.
append
(
0
)
# totalFingers = fingers.count(1)
return
fingers
def
findDistance
(
self
,
p1
,
p2
,
img
,
draw
=
True
,
r
=
15
,
t
=
3
):
x1
,
y1
=
self
.
lmList
[
p1
][
1
:]
x2
,
y2
=
self
.
lmList
[
p2
][
1
:]
cx
,
cy
=
(
x1
+
x2
)
//
2
, (
y1
+
y2
)
//
2
if
draw
:
cv2
.
line
(
img
, (
x1
,
y1
), (
x2
,
y2
), (
255
,
0
,
255
),
t
)
cv2
.
circle
(
img
, (
x1
,
y1
),
r
, (
255
,
0
,
255
),
cv2
.
FILLED
)
cv2
.
circle
(
img
, (
x2
,
y2
),
r
, (
255
,
0
,
255
),
cv2
.
FILLED
)
cv2
.
circle
(
img
, (
cx
,
cy
),
r
, (
0
,
0
,
255
),
cv2
.
FILLED
)
length
=
math
.
hypot
(
x2
-
x1
,
y2
-
y1
)
return
length
,
img
, [
x1
,
y1
,
x2
,
y2
,
cx
,
cy
]
# 현재 프레임을 보여주는 클래스
class
FPS
():
def
__init__
(
self
,
cTime
=
0
,
pTime
=
0
):
self
.
cTime
=
cTime
self
.
pTime
=
pTime
def
get_fps
(
self
,
img
,
blue
=
255
,
green
=
255
,
red
=
255
):
# 프레임 연산
self
.
cTime
=
time
.
time
()
fps
=
1
/
(
self
.
cTime
-
self
.
pTime
)
self
.
pTime
=
self
.
cTime
# 프레임 표시
cv2
.
putText
(
img
,
str
(
int
(
fps
)), (
10
,
70
),
cv2
.
FONT_HERSHEY_PLAIN
,
3
,
(
blue
,
green
,
red
),
3
)
def
main
():
fps
=
FPS
()
detector
=
HandDetector
()
while
True
:
success
,
img
=
cap
.
read
()
detector
.
findHands
(
img
)
fps
.
get_fps
(
img
,
blue
=
100
,
green
=
0
,
red
=
0
)
lmList
=
detector
.
findpostion
(
img
,
blue
=
150
,
green
=
200
,
red
=
0
,
draw
=
False
)
if
len
(
lmList
)
!=
0
:
print
(
lmList
[
9
])
# 찾을 번호를 입력하면 해당 번호의 위치를 출력
if
not
success
:
# 카메라가 없으면 종료
break
cv2
.
imshow
(
"camera"
,
img
)
if
cv2
.
waitKey
(
1
)
==
ord
(
'q'
):
# 사용자가 q를 입력한 경우 종료
break
if
__name__
==
'__main__'
:
main
()
cap
.
release
()
cv2
.
destroyAllWindows
()
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