CN103593121B - For four multi-screen display methods of visual-alignment between chip pin and pad - Google Patents
For four multi-screen display methods of visual-alignment between chip pin and pad Download PDFInfo
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- CN103593121B CN103593121B CN201310463276.9A CN201310463276A CN103593121B CN 103593121 B CN103593121 B CN 103593121B CN 201310463276 A CN201310463276 A CN 201310463276A CN 103593121 B CN103593121 B CN 103593121B
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- screen display
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- rectangle frame
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Abstract
A kind of for four multi-screen display methods of visual-alignment between chip pin and pad, including: S1., original image is mapped to viewing area entirety preview;S2. when entering rectangle frame and selecting pattern, a topography in original image is selected respectively by four rectangular selection frames, it is thus achieved that four rectangular selection frames are relative to the size and location of viewing area, and calculate the selected size and location determining topography;S3. when entering four span mode, viewing area is replaced to four split screen display available regions, and four topographies that step S2 is obtained are respectively mapped to four split screen display available regions and show;When S4. maybe needing to reselect rectangle frame selection pattern when selecting overall preview mode, return S1 or return S2, otherwise, all resting on four split screen display availables.This method is applicable to the equipment such as BGA Rework station, chip mounter and uses, it is possible to ideal meets the equipment definition to visual-alignment and the double requirements of image range, makes device efficiency improve.
Description
Technical field
The invention belongs to image display arts, be specifically related to a kind of between chip pin and pad the four of visual-alignment
Multi-screen display method.
Background technology
At present, chip package form trends towards leadless packages pattern, in order to mount and weld this kind of chip exactly, needs
The image of chip bonding pad to be obtained.The imaging system generally pad figure of display chip in the way of single screen of this type of chip at present
Picture, if needing to adjust the position of image-region, needs to adjust the physical location of camera, the most complex;And
In the occasion of chip bonding pad visual-alignment, actual requirement needs only to observe the pad of four angular zones of chip bonding pad i.e. often
Can, therefore limited by screen size, the unable competent definition of traditional single screen displaying scheme and the double requirements of image range,
Thus use for user and bring the biggest inconvenience.
Summary of the invention
The problem existed in view of existing visual-alignment Display Technique, the invention provides a kind of for chip pin and pad
Between the display packing of visual-alignment, the method by overall preview, rectangle frame selects and four split screen display available Three models form, three
Kind of pattern interworking can meet BGA Rework station, chip mounter etc. to the requirement of visual-alignment between chip pin and pad, makes
Device efficiency improves.
The present invention, for four multi-screen display methods of visual-alignment between chip pin and pad, comprises the following steps:
S1. the original image of input is mapped to viewing area entirety preview;
S2. when selecting rectangle frame to select pattern, by default four rectangular selection frames (i.e. Reck Tracker figure
Object) select a topography in described original image respectively, it is thus achieved that and four rectangular selection frames are relative to viewing area
Size and location, and calculate the size and location of selected 4 topography;Otherwise, step S1 is returned;
S3., when selecting four span mode, viewing area is replaced to four split screen display available regions, then step S2 is obtained
Four topographies be respectively mapped to four split screen display available regions and show simultaneously;Otherwise, step S2 is returned;
S4., when selecting overall preview mode, return step S1, otherwise, rest on four split screen display availables;Or need again
When selecting rectangle frame to select pattern, return step S2, otherwise, rest on four split screen display availables.
In step S1 entirety preview mode, the figure being amplified by the rolling operation of mouse roller and reducing in display screen
Picture, and by the position of mouse drag operation adjustment viewing area.
In step S2 rectangle frame selection pattern, select split screen display available by the size and location adjusting four rectangle frames
The position in region;And when adjusting the size of one of them rectangle frame, the size of other three rectangle frames synchronous change therewith.
In step S3 tetra-span mode, the adjustment that the image in each split screen can be transferred through mouse drag operation independent shows
Show the position in region;Each split screen can be transferred through the rolling operation of mouse roller and amplifies and reduce, and the amplification of other split screens
Also it is to synchronize with reducing.
In step s 4, four span mode when switching to step S2 rectangle frame to select pattern, right under four span mode
The adjustment of image size and the adjustment of position can be synchronized in four rectangle frames that rectangle frame selects pattern, i.e. four rectangle frames
Size and location four image-regions split screen shown by lower with four span mode are consistent.
The size of described original image is 2048*1536 pixel, and the size of described viewing area is 800*600 pixel, institute
Stating the size in each split screen display available region in four split screen display available regions is 400*300 pixel.
Described original image is to be obtained by video camera or digital camera.
Described video camera, digital camera are installed on BGA Rework station or chip mounter.
The present invention is formed chip bonding pad imaging displaying scheme by the display pattern of above-mentioned three kinds of interworkings, is integrated with three kinds
The advantage of display pattern.Under overall preview mode, it is possible to check the image of entirety, select the size and location of viewing area;
Under rectangle frame selection pattern, it is possible to by adjusting the size and location of four rectangle frames, adjust image district in four split screens
The size and location in territory;Under four span mode, it is possible to general image is divided into relatively independent four split screen display available, utilizes four
Individual split screen can independently check the image at four angles of chip bonding pad.
Under overall preview and four span mode, image clearly can be obtained by image zooming function, and
Any corner of chip bonding pad can be checked by the drag function of image;Rectangle frame selects pattern and four span mode to hand over
Intelligence mutually, i.e. selects pattern to determine four image-regions of four span mode by rectangle frame, and under four span mode
Dragging and scaling to viewing area can feed back to rectangle frame and select pattern, it is achieved seamless link.
The inventive method is applicable to BGA Rework station, chip mounter or other similar devices and uses, it is possible to ideal meets equipment pair
The definition of visual-alignment and the double requirements of image range, improve device efficiency.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention four multi-screen display method;
Fig. 2-4 is the display effect schematic diagram of three kinds of display modes of the present invention;
Fig. 5 is to be the enforcement device block diagram realizing the inventive method;
Fig. 6 is four split screen display available pictures of the example that the inventive method realizes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
Implement device shown in Fig. 5 to include the processor of tape storage, be connected to the display of processor outfan and process
The parts such as the mouse of device input connection and image acquiring device.Processor process original image from image acquiring device,
Image acquiring device can be photographic head, photographing unit etc..Display can be the display such as CRT, LCD, LED.Mouse can be used
Touch screen, Trackpad etc. substitute.
Implement device by Fig. 5 and can apply the inventive method to the bga chip pad imaging system of BGA Rework station
In.Fig. 2-4 is the display effect schematic diagram of three kinds of display modes, and wherein, chip bonding pad 20 is arranged on pcb board 10.
With reference to Fig. 1-4, it is as follows that the inventive method realizes process:
S1. the original image from image acquiring device is mapped to viewing area by processor, overall pre-by display
Look at (pattern 1), see Fig. 2;
In overall preview mode, the image being amplified by the rolling operation of mouse roller and reducing in display screen, and can
Pin left mouse button image is dragged, so that pre-review parts of images shows in screen.
S2. selected to enter rectangle frame by mouse and select pattern (pattern 2), as it is shown on figure 3, retain the preview graph of step S1
Picture, shows four rectangular selection frame a1, a2, the a3 preset, four Reck Trackers corresponding with a4(figure simultaneously in viewing area
Shape object);In described original image, the topography selected respectively by these four rectangular selection frames, it is thus achieved that four
Rectangular selection frame is relative to the size and location of viewing area, and is calculated the big of selected 4 topography by processor
Little and position;Otherwise, the entirety preview of step S1 is remained in;
In mode 2, shown in Fig. 3, four rectangle shapes select frame a1, a2, a3 and a4 can be sized by mouse drag
And position, so that it is determined that image-region to be shown and size under follow-up four span mode.When adjusting, one of them rectangle frame is big
Hour, the size of other rectangle frames changes therewith.Select arbitrary rectangle frame with left mouse button, its position is adjusted;Pin
Left mouse button selectes a rectangle frame frame, and this rectangle frame size is adjusted by mobile mouse, and other three rectangle frame sizes are same
Successive step.
S3. being selected to enter four split screen display available patterns (pattern 3) by mouse, viewing area is replaced to four split screens by processor
Viewing area, is then respectively mapped to four split screen display available regions four topographies that step S2 obtains, shows rectangle simultaneously
The topography that choice box is selected, as shown in Figure 4, as known in the figure by four split screen b1, b2, b3 and b4 can will be apparent from same
Time check the image of chip bonding pad corner.Otherwise, step S2 pattern 2 is remained in;
In pattern 3, the image in each split screen can be transferred through the position adjusting viewing area that mouse drag operation is independent
Put;Each split screen can be transferred through the rolling operation of mouse roller and amplifies and reduce, and the amplification of other split screens and reduce and be also
Synchronize.
S4., under four split screen display availables, when selecting pattern 1 with mouse, return step S1, otherwise, rest on four split screens and show
Show;Or when needing to reselect rectangle frame selection pattern, return step S2, otherwise, remain in four split screen display availables.
In step s 4, four span mode when switching to step S2 rectangle frame to select pattern, right under four span mode
The adjustment of image size and the adjustment of position can be synchronized in four rectangle frames that rectangle frame selects pattern, i.e. four rectangle frames
Size and location four image-regions split screen shown by lower with four span mode are consistent.
Image section or image-region that in rectangle frame selection pattern, the number of rectangular selection frame is checked as required are true
Fixed, Fig. 3 selects 4, in other embodiments, it is also possible to select 2,3,5 or more.
Fig. 6 is the four split screen display available pictures of an example that the inventive method realizes, and shows selected by 4 rectangular selection frames
Four topographies are respectively mapped to the situation that four split screen display available regions show simultaneously.Wherein, the size of original image is 2048*
1536 pixels, the size of former single screen viewing area is 800*600 pixel, each split screen display available in described four split screen display available regions
The size in region is 400*300 pixel.
In Fig. 6, " normally ", " four split screens ", " gravity treatment " represent subsidiary several select buttons.Mouse selects " four split screens "
Button indication is in four split screen display available patterns;If click " gravity treatment " button, then it is again introduced into rectangle frame and selects pattern;As
Really click " normally " button, then return to overall preview mode.
Describing the present invention in detail above by specific embodiment, these concrete descriptions must not believe that the present invention
It is only limited to the content of these embodiments.Those skilled in the art according to present inventive concept, that these describe and combine this area is public
Know any improvement, equivalents that general knowledge makes, should be included in the protection domain of the claims in the present invention.
Claims (7)
1., for four multi-screen display methods of visual-alignment between chip pin and pad, it is characterized in that including following step
Rapid:
S1. the original image of input is mapped to viewing area entirety preview;Wherein, the size of described original image is 2048*
1536 pixels, the size of described viewing area is 800*600 pixel;
S2., when selecting rectangle frame to select pattern, in described original image is selected respectively by four rectangular selection frames
Topography, it is thus achieved that four rectangular selection frames are relative to the size and location of viewing area, and calculate local, selected 4
The size and location of image;Otherwise, step S1 is returned;
S3., when selecting four split screen display available patterns, described viewing area is replaced to four split screen display available regions, then step
4 topographies that S2 obtains are respectively mapped to four split screen display available regions and show simultaneously, each in described four split screen display available regions
The size in individual split screen display available region is 400*300 pixel;Otherwise, step S2 is returned;
S4., when selecting overall preview mode, return step S1, otherwise, rest on four split screen display availables;Or need again to select
When selecting rectangle frame selection pattern, return step S2, otherwise, rest on four split screen display availables.
2. according to the method described in claim 1, it is characterized in that, in step S1 entirety preview mode, by mouse roller
The image that rolling operation amplifies and reduces in display screen, and by the position of mouse drag operation adjustment viewing area.
3. according to the method described in claim 1, it is characterized in that, in step S2 rectangle frame selection pattern, pass through mouse drag
The size and location adjusting four rectangle frames selects the position in split screen display available region;Arbitrary rectangle frame pair is selected with left mouse button
Its position is adjusted;Pinning left mouse button and select a rectangle frame frame, this rectangle frame size is adjusted by mobile mouse, its
His three rectangle frame size synchronization control.
Method the most according to claim 1, is characterized in that, in step S3 tetra-span mode, and the image in each split screen
Can be transferred through the position adjusting viewing area that mouse drag operation is independent;Each split screen can be transferred through the rolling behaviour of mouse roller
Make amplify and reduce, and the amplification of other split screens and reduce also be synchronize.
Method the most according to claim 1, is characterized in that, is switched to step S2 rectangle frame in step S4 by four span mode
During selection pattern, under four span mode, the adjustment of image size and the adjustment of position can be synchronized to rectangle frame and select pattern
In four rectangle frames, i.e. image-region shown by the size and location of four rectangle frames and lower four split screens of four span mode is
Consistent.
Method the most according to claim 1, is characterized in that, described original image is to be obtained by video camera or digital camera
Take.
7., according to the method described in claim 6, it is characterized in that, described video camera, digital camera be installed on BGA Rework station or
Chip mounter.
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