MV-9_Chapter 5. Teaching.pdf - 第74页

MV -9 Use r Manual 5- 74 [T able 5-6 Binary inspection – position move boundary li ne detection type ] Detection type Description B ou ndar y line dete ction type 1  Search b oundary li ne from l eft to right, a nd d e …

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4) Position move inspection

- Algorithm to judge if component edge is in normal range by detect component edge, and

Shift inspection can be conducted.

① Teaching method

(a) Draw binary inspection window in inspection area, and select position move inspection

for inspection type.

(b) Select detection type.

(d) For angle inspection, check at angle inspection.

(e) Set binarization method and binarization value checking preview image.

(f) If there is noise, select size filtering.

(g) In case of binarization using color information, select color map. Click setting button to

adjust color, saturation and luminance checking preview image.

(h) Enter normal criteria.

[Figure 5-80 Teaching example of position move inspection window]

MV-9 User Manual

5-74

[Table 5-6 Binary inspection – position move boundary line detection type]

Detection type

Description

Bou

ndar

line

dete

ction

type

 Search boundary line from left to right, and detect Positive (change from

black to white) boundary line.

 Search boundary line from right to left, and detect Positive boundary line.

 Search boundary line from up to down, and detect Positive (change from

black to white) boundary line.

 Search boundary line from down to up, and detect Positive (change from

black to white) boundary line.

 Click inspection type No 1 one more time to convert detection type.

 Search boundary line from right to leftward, and detect Negative (change

from white to black) boundary line.

 Click inspection type No 2 one more time to convert detection type.

 Search boundary line from left to rightward, and detect Negative boundary

line.

 Click inspection type No 3 one more time to convert detection type.

 Search boundary line from down to up, and detect Negative (change from

black to white) boundary line.

 Click inspection type No 4 one more time to convert detection type.

 Search boundary line from up to down, and detect Negative (change from

black to white) boundary line.

① Parameter description

 Use SubPixel

 Basically, use binary image for inspection that uses edge among detailed items of binary

inspection. However, in case of detection of more precise edge using black and white

image, check at „UseSubPixel‟.

 Detection type

 Select detection type of same shape referring to preview image.

 Arrow direction is the direction to search edge. Start direction of the arrow is the

reference point of boundary line position and normal range.

 Use line inspection

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 Detect boundary line, and calculate position value at which boundary line meets start

point and end point of window (In case of horizontal boundary line, left end and right end

in inspection window).

 Angle inspection

 Measure angle of boundary line in inspection window.

 For angle inspection, segment inspection window and detect boundary line in

segmentation region. Calculate angle of boundary line in inspection window by using

position of the detected boundary lines.

 Point Num

 This will be activated if both of angle inspection and SubPixel are checked.

 Check at „Point Num‟ to input the number of inspection window segmentation for angle

inspection.

 Color map

 Select this option for binarization of color image using color information. Adjust color,

saturation, and luminance to clearly display boundary line to be detected in color map

displayed by clicking setting button.

 Virtual line offset:

 This function is to inspect relative position of 2 reference points.

 Refer to BLU inspection.

 Normal criteria (boundary line position)

 Min: min position of boundary line within inspection window to judge edge position as

normal.

 Current: position of detected boundary line.

 Max: max position of boundary line to judge edge position as good in inspection window.

 Max expansion: max range to detect position of boundary line. In general, enter width or

length of inspection window according to inspection type.

 Angle Offset

 Enter reference angle for good/defect judgment during angle inspection. Decimal point

can be entered.

② Inspection result in status screen

 Position move inspection

 Width, Height: height and width of inspection window.

- Edge

 Inspect Vertical Line: detect vertical boundary line.