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5 use color #33

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Merged
merged 3 commits into from
Feb 8, 2023
Merged

5 use color #33

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271334b
Move code into get_clusters() to apply gray scale to the image
codeguru42 Dec 6, 2022
08a2ce0
Use color for k-means clusters
codeguru42 Feb 7, 2023
bd6fc7c
Try with 6 clusters
codeguru42 Feb 7, 2023
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5 changes: 5 additions & 0 deletions expected/20230121_140756.sgf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
(;FF[4]
GM[1]
;AB[cj][cn][dd][df][dg][dp][gd][gg][gh][gi][gj][gr][hc][he][hf][hq][ir][jc][jd][je][jq][ke][ki][kp][kq][mq][oo][ph][pj][pk][pl][qi][ql][qo][ri][rl][rn][rq]
;AW[ej][fc][fd][fe][fg][fh][fi][fl][fo][fq][gf][hg][hp][if][ig][ip][iq][jp][kc][kd][ko][le][lf][nn][no][np][oi][oj][ok][ol][pd][pg][pi][pm][pq][qh][qm]
)
14 changes: 7 additions & 7 deletions go_capture/sgf/find_stones.py
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Expand Up @@ -17,8 +17,7 @@ def categorize(patch, label_black, label_white):


def find_stones(board):
gray = cv2.cvtColor(board, cv2.COLOR_BGR2GRAY)
labeled_image, label_black, label_white = get_clusters(gray)
labeled_image, label_black, label_white = get_clusters(board)
height, width, _ = board.shape
dx = width // 18
dy = height // 18
Expand Down Expand Up @@ -55,10 +54,11 @@ def draw_patches(image, coords, color):
cv2.rectangle(image, (left, top), (right, bottom), color, 2)


def get_clusters(image):
width, height = image.shape
pixels = np.float32(image.reshape((width*height)))
def get_clusters(board):
pixels = np.float32(board.reshape(-1, 3))
criteria = (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 200, .1)
flags = cv2.KMEANS_RANDOM_CENTERS
_, labels, palette = cv2.kmeans(pixels, 5, None, criteria, 10, flags)
return labels.reshape(image.shape), np.argmin(palette), np.argmax(palette)
_, labels, palette = cv2.kmeans(pixels, 6, None, criteria, 10, flags)
width, height, _ = board.shape
means = np.mean(palette, axis=1)
return labels.reshape(width, height), np.argmin(means), np.argmax(means)