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Add: Perspective debug tool and doc
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LmeSzinc
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dev_tools/grids_debug.py
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83
dev_tools/grids_debug.py
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import module.config.server as server
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server.server = 'cn' # Don't need to edit, it's used to avoid error.
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from module.map.grids import Grids
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from module.config.config import AzurLaneConfig
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from PIL import Image
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"""
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This file is use to debug a perspective error.
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It will call the map detection module (module/map/grids.py), outside Alas.
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"""
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"""
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Put image here.
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"""
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file = ''
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class Config:
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pass
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INTERNAL_LINES_HOUGHLINES_THRESHOLD = 40
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EDGE_LINES_HOUGHLINES_THRESHOLD = 40
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COINCIDENT_POINT_ENCOURAGE_DISTANCE = 1.5
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INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (150, 255 - 24),
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'width': (0.9, 10),
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'prominence': 10,
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'distance': 35,
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}
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EDGE_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (255 - 24, 255),
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'prominence': 10,
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'distance': 50,
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'width': (0, 10),
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'wlen': 1000
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}
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# These are the full configuration in module/config/config.py
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"""
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MAP_HAS_SIREN = False
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MAP_HAS_DYNAMIC_RED_BORDER = False
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MAP_SIREN_TEMPLATE = ['1', '2', '3', 'DD']
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# Parameters for scipy.signal.find_peaks
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# https://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.find_peaks.html
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INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (150, 255 - 40),
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'width': (0.9, 10),
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'prominence': 10,
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'distance': 35,
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}
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EDGE_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (255 - 24, 255),
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'prominence': 10,
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'distance': 50,
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# 'width': (0, 7),
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'wlen': 1000
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}
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# Parameters for cv2.HoughLines
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INTERNAL_LINES_HOUGHLINES_THRESHOLD = 75
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EDGE_LINES_HOUGHLINES_THRESHOLD = 75
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# Parameters for lines pre-cleansing
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HORIZONTAL_LINES_THETA_THRESHOLD = 0.005
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VERTICAL_LINES_THETA_THRESHOLD = 18
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TRUST_EDGE_LINES = False # True to use edge to crop inner, false to use inner to crop edge
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# Parameters for perspective calculating
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VANISH_POINT_RANGE = ((540, 740), (-3000, -1000))
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DISTANCE_POINT_X_RANGE = ((-3200, -1600),)
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# Parameters for line cleansing
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COINCIDENT_POINT_ENCOURAGE_DISTANCE = 3
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ERROR_LINES_TOLERANCE = (-10, 10)
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MID_DIFF_RANGE_H = (129 - 3, 129 + 3)
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MID_DIFF_RANGE_V = (129 - 3, 129 + 3)
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"""
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cfg = AzurLaneConfig().merge(Config())
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grids = Grids(Image.open(file), cfg)
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grids.predict()
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grids.show()
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143
doc/debug_perspective_en.md
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143
doc/debug_perspective_en.md
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# How to debug a perspective error
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## Normal logs
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This is an example log.
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```
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2020-06-03 00:44:46.221 | INFO | vanish_point: ( 646, -1736)
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2020-06-03 00:44:46.222 | INFO | distant_point: (-2321, -1736)
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2020-06-03 00:44:46.266 | INFO | 0.235s _ Horizontal: 5 (7 inner, 3 edge)
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2020-06-03 00:44:46.266 | INFO | Edges: / \ Vertical: 9 (10 inner, 3 edge)
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2020-06-03 00:44:46.273 | INFO | Center grid: (3, 1)
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2020-06-03 00:44:46.493 | INFO | -- -- -- -- -- 2M -- --
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2020-06-03 00:44:46.501 | INFO | MY -- -- MY -- -- 3M --
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2020-06-03 00:44:46.501 | INFO | -- -- FL -- -- -- -- --
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2020-06-03 00:44:46.501 | INFO | -- 1L -- MY -- 2L --
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```
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## Too few grid lines
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This may happens when it detected too few grid lines.
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``` File "E:\ProgramData\Pycharm\AzurLaneAutoScript\module\map\camera.py", line 114, in update
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File "AzurLaneAutoScript\module\map\camera.py", line 114, in update
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self.grids = Grids(self.device.image, config=self.config)
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File "AzurLaneAutoScript\module\map\grids.py", line 19, in __init__
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super().__init__(image, config)
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File "AzurLaneAutoScript\module\map\perspective.py", line 81, in __init__
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self.crossings = self.horizontal.cross(self.vertical)
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File "AzurLaneAutoScript\module\map\perspective_items.py", line 170, in cross
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points = np.vstack(self.cross_two_lines(self, other))
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File "lib\site-packages\numpy\core\shape_base.py", line 234, in vstack
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return _nx.concatenate([atleast_2d(_m) for _m in tup], 0)
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File "lib\site-packages\numpy\core\shape_base.py", line 234, in <listcomp>
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return _nx.concatenate([atleast_2d(_m) for _m in tup], 0)
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File "AzurLaneAutoScript\module\map\perspective_items.py", line 163, in cross_two_lines
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for rho1, sin1, cos1 in zip(lines1.rho, lines1.sin, lines1.cos):
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AttributeError: 'Lines' object has no attribute 'rho'
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```
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```
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File "AzurLaneAutoScript\module\map\camera.py", line 114, in update
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self.grids = Grids(self.device.image, config=self.config)
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File "AzurLaneAutoScript\module\map\grids.py", line 19, in __init__
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super().__init__(image, config)
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File "AzurLaneAutoScript\module\map\perspective.py", line 98, in __init__
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self.horizontal, inner=inner_h.group(), edge=edge_h)
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File "AzurLaneAutoScript\module\map\perspective.py", line 352, in line_cleanse
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clean = self.mid_cleanse(origin, is_horizontal=lines.is_horizontal, threshold=threshold)
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File "AzurLaneAutoScript\module\map\perspective.py", line 346, in mid_cleanse
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mids = convert_to_y(mids)
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File "AzurLaneAutoScript\module\map\perspective.py", line 277, in convert_to_y
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return Points([[x, self.config.SCREEN_CENTER[1]] for x in xs], config=self.config) \
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File "AzurLaneAutoScript\module\map\perspective_items.py", line 15, in __init__
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self.x, self.y = self.points.T
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ValueError: not enough values to unpack (expected 2, got 0)
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```
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Try reduce the threshold of `cv2.HoughLines`. Default is 75.
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Lower threshold means more lines.
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```
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INTERNAL_LINES_HOUGHLINES_THRESHOLD = 40
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EDGE_LINES_HOUGHLINES_THRESHOLD = 40
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```
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Then you should also lower this and make a closer fit to the lines.
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Lower means closer fit, ignore more wrong lines.
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```
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COINCIDENT_POINT_ENCOURAGE_DISTANCE = 1.5
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```
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## Camera outside map
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```
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File "AzurLaneAutoScript-master\module\map\camera.py", line 114, in update
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self.grids = Grids(self.device.image, config=self.config)
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File "AzurLaneAutoScript-master\module\map\grids.py", line 19, in __init__
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super().__init__(image, config)
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File "AzurLaneAutoScript-master\module\map\perspective.py", line 98, in __init__
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self.horizontal, inner=inner_h.group(), edge=edge_h)
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File "AzurLaneAutoScript-master\module\map\perspective.py", line 383, in line_cleanse
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raise PerspectiveError('Camera outside map: to the %s' % ('upper' if lines.is_horizontal else 'right'))
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module.exception.PerspectiveError: Camera outside map: to the upper
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```
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Alas can not handle if camera is not focusing on any map grid, it will swipe back if catches `Camera outside map`. This may happens when some inner lines are detected as edge lines.
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Try adjust the parameter of `scipy.signal.find_peaks`, the `height` value.
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- **height** Lower means detect lighter lines, 255 means pure black.
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- **width** Line width, in pixels.
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- **prominence** Line needs to be how much darker than surrounding pixels.
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- **distance** Minimum distance between two detected point on line.
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- **wlen** Maximum amount of data to be processed in one time.
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Know more about these parameters [here](https://docs.scipy.org/doc/scipy/reference/generated/scipy.signal.find_peaks.html)
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```
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INTERNAL_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (150, 255 - 24),
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'width': (0.9, 10),
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'prominence': 10,
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'distance': 35,
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}
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EDGE_LINES_FIND_PEAKS_PARAMETERS = {
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'height': (255 - 24, 255),
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'prominence': 10,
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'distance': 50,
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'width': (0, 10),
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'wlen': 1000
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}
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```
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## Coincident point unexpected
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```
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2020-05-31 20:04:47.397 | INFO | Horizontal coincident point unexpected: [-92.817316 141.99589405]
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2020-05-31 20:04:48.509 | INFO | Vertical coincident point unexpected: [-692.01967461 141.68981244]
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```
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Try adjust the initial value of coincident point. if 141.99589405 is in (129 - 3, 129 + 3), it shut up.
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But remember, an incorrect value will ruin everything in map detection, it usually works fine with these logs show up.
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```
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MID_DIFF_RANGE_H = (129 - 3, 129 + 3)
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MID_DIFF_RANGE_V = (129 - 3, 129 + 3)
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```
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## Too many deleted lines
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