JPH0246264U - - Google Patents
Info
- Publication number
- JPH0246264U JPH0246264U JP12365588U JP12365588U JPH0246264U JP H0246264 U JPH0246264 U JP H0246264U JP 12365588 U JP12365588 U JP 12365588U JP 12365588 U JP12365588 U JP 12365588U JP H0246264 U JPH0246264 U JP H0246264U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- target
- subtracter
- comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 1
Landscapes
- Image Processing (AREA)
- Closed-Circuit Television Systems (AREA)
- Image Analysis (AREA)
Description
第１図はこの考案による微小目標検出装置の一
実施例の構成図、第２図は中心画素Ｔの５×５近
傍領域を示す図、第３図はこの考案による微小目
標検出装置の出力例を示す図、第４図は従来の微
小目標検出装置の構成図、第５図はラプラシアン
オペレータの説明図、第６図は従来の微小目標検
出装置の出力例を示す図である。
図において、１はラインメモリ、２は近傍処理
回路、３は２値化回路、５は中心画素Ｔの３×３
近傍領域、６はラプラシアンの重み関数、７は４
段ラインメモリ、８はレジスタ、９は減算器、１
０は比較器、１１は対象物判定回路である。なお
、各図中同一符号は同一または相当部分を示す。
Fig. 1 is a block diagram of an embodiment of the micro target detection device according to this invention, Fig. 2 is a diagram showing a 5×5 neighborhood area of the central pixel T, and Fig. 3 is an example of the output of the micro target detection device according to this invention. 4 is a configuration diagram of a conventional minute target detection device, FIG. 5 is an explanatory diagram of a Laplacian operator, and FIG. 6 is a diagram showing an example of output of the conventional minute target detection device. In the figure, 1 is a line memory, 2 is a neighborhood processing circuit, 3 is a binarization circuit, and 5 is a 3×3 central pixel T.
Neighborhood area, 6 is Laplacian weight function, 7 is 4
Stage line memory, 8 is a register, 9 is a subtracter, 1
0 is a comparator, and 11 is an object determination circuit. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
リ回路の出力を受けて画素間の濃度差を演算する
減算器と、上記減算器の出力と予め設定したしき
い値とを比較する比較器と、上記比較器の出力に
基づき対象物か否かを判定する対象物判定回路と
、上記対象物判定回路の出力から目標の位置を検
出する位置検出回路とを備えたことを特徴とする
微小目標検出装置。 a memory circuit that stores image data; a subtracter that receives the output of the memory circuit and calculates a density difference between pixels; a comparator that compares the output of the subtracter with a preset threshold; A micro target detection device comprising: an object determination circuit that determines whether or not it is a target object based on the output of a comparator; and a position detection circuit that detects the position of the target from the output of the object determination circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12365588U JPH0246264U (en) | 1988-09-21 | 1988-09-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12365588U JPH0246264U (en) | 1988-09-21 | 1988-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246264U true JPH0246264U (en) | 1990-03-29 |
Family
ID=31372703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12365588U Pending JPH0246264U (en) | 1988-09-21 | 1988-09-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246264U (en) |
-
1988
- 1988-09-21 JP JP12365588U patent/JPH0246264U/ja active Pending
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