#Parameters
FRAMES_INTEGRATION = 3
MINIMUM_CONFIDENCE = 10
DEBUG = cover_detection_debug
REFERENCE_IMG = "ref1"
ERODE_ITERATIONS = 2

#Load reference image
SIZE = [128,128]
BORDER = 7

hexiposi.move("A")
#Pre-process camera image
#ip = load_image("{images}/cover/Cover_000" + str(index) + ".png", title="Img")
ip = integrate_frames(FRAMES_INTEGRATION)
ip = grayscale(ip, True)
smooth(ip)
#bandpass_filter(ip, 30, 1000)
edges(ip)

auto_threshold(ip, method = "MaxEntropy")
#binary_dilate(ip, True, 2)
for i in range(ERODE_ITERATIONS):
    ip.getProcessor().erode(1, 255)

cx,cy = int(ip.width/2), int(ip.height/2)
ip = sub_image(ip, cx-SIZE[0]/2, cy-SIZE[1]/2, SIZE[0], SIZE[1])

invert(ip)
ip = grayscale(ip, True)
#smooth(ip)

if BORDER > 0:
    sip = sub_image(ip, BORDER,BORDER, SIZE[0]-2*BORDER, SIZE[1]-2*BORDER)
    ip = pad_image(sip, BORDER, BORDER, BORDER, BORDER)
if DEBUG:
    image_panel = show_panel(ip.bufferedImage)

save_image(ip, str("{images}/cover/" + REFERENCE_IMG + ".png") ,"png")