Everyone should be familiar with this OCR software for Almighty Scan King, but to tell the truth, sometimes the recognition rate is not very high due to typesetting, fonts and other reasons. After importing it into a computer, you have to do more proofreading and modification. Time and effort.
Gao Paiyi, everyone should also have seen in the bank, used to scan documents or something, compared to the mobile phone APP, the operation is more simple and help improve work efficiency. This time back to 618, after comparing several products, we started this Jieyu Gao Paiyi. As for why we choose this, the reason is very simple. This is the cheapest (499 yuan) with 10 million pixels. The camera's Gao Paiyi, the higher the pixel, the clearer, the theoretical recognition rate of the text is also higher. Use 459 after the coupon to start.
Get out of the box first:
The packaging is a cardboard box, which is almost the same size as a notebook. The profile of the side can be seen. In addition to OCR text recognition, it can also be used as a simple physical projection display stand.
The contents of the package are also relatively simple. In addition to the Gao Pai Instrument, a data power cord, a manual warranty card driver CD mounting screws, and a plastic document stage.
Body body, there is no sense of design at all, is a tool, Jingdong has a beautiful cylindrical style, but the same specification prices are much higher
After the lens is opened, it is locked at an angle of 90°. When it is opened and closed, it will make a bang and it will feel more texture.
After opening, in addition to a 10 million-pixel camera, a fill light consisting of 6 rows of 12 LEDs is arranged
The top looks like an open key is a power indicator that has no effect
A toothed adjusting wheel with a small side is used to adjust the brightness of the fill light. In addition, the body does not have any switch or button knob for operation.
Behind the fuselage main body is used to connect the computer interface
The middle of the bottom is the screw hole used to fix the document table
After installation, the connection cable can be connected to the computer, but because the computer does not have a CD-ROM drive, ask the customer service to have a driver download link. After the installation, the Gaopai meter's fill light and power indicator light will be clicked. Bright, originally thought that since there is no power button, the fill light switch must be closed by the side of the toothed roller, but it is adjusted to the minimum found fill light will still emit a weak light, and can not be completely closed, as shown below :
Fill light minimum brightness status
That is to say, after connecting the Gaopai instrument to the computer, no matter if the machine is working or not, as long as the computer is turned on, the fill light will light up and cannot be turned off by pressing a key.
This is to turn the fill light to the maximum brightness, the effect of the paper, the camera is set in the F2.8 IOS400 shutter 1/40, compared to the following chart Led table lamp to 6500K color temperature effect, the same aperture sensitivity under the shutter At 1/500, it can be seen that the high-calorie meter's fill light not only has a cooler color temperature but also has a lower brightness. In addition, there is a visible strobe in the eye, so it can only be used as a fill light in the machine's work. Under the environment, it is recommended that the indoor lighting operation should not be used as the main light source to view the copy for a long time.
Function introduction:
The software interface design is just like the body upgrade. The pursuit is practical and efficient. The right side of the lens is the operation button, and the top is the setting and adjustment options.
Shooting frame, used to set the frame to mark the corresponding paper size, as shown below
Image parameter settings, in addition to adjusting the parameters of the captured picture, you can also set the bar code / QR code recognition, add a watermark and other functions. 
Video parameter settings, can do a variety of image quality, size parameter adjustment for shooting video, 
As shown in the following three figures, the shooting video frame rate is up to 20 FPS.
The picture format is to set the picture output format, OCR recognition output format, such as set to WORD format, after recognition, the text in the picture to generate WORD file and automatically open using WORD software. Supports conversion to WORD/EXCEL/TXT three formats. 
Making a PDF can automatically generate PDF images and sort them, and set camera pixels. 
Operation and recognition effect:
The document is flat and neatly placed on the desk, you can take pictures, video, text recognition and other operations
First use the camera to take a map in the default mode to see the quality of the camera, (add a lamp light when taking pictures, the same below)
It can be seen that there is still a part of the shadow of the fuselage on the left side of the photo, which is magnified by 150%. Due to the poor print quality and fonts, the text is blurred.
Text shooting effect:
Zoom 165%
Shoot book cover effects by default
Zoom 165%
Shot 499 Kindle on the text effect is set to a small number 2, will be placed in the middle of the screen will be reflective
Enlarge 130%
From the above four groups of proofs, it can be seen that, for normal-sized texts, the effect of the text is clear and legible on paper and electronic paper books, but the extremely small and small texts on the map are somewhat incompetent.
The use of text recognition scans the cover for identification multiple times and opens with wodr:
For the first time, the cover is shown as a picture, the text on the white cover is recognized as an editable text, and some text is placed on the second page. 
The second identification, the red text on the cover and the bottom "He wrote the scam to the extreme. - Straight wood comment" appeared as a picture and appeared superimposed with the black editable text, some black text was still ranked second Page
In the third recognition, the book was placed at different angles. The scan results showed that the cover image was missing. The rest of the jacket was text and the second page still appeared.
Through the above three times to identify the text on the cover, you can find this Jieyu Gaopai instrument on this scanned object with graphics, textures, a variety of sizes, fonts, colors, text recognition processing is not very perfect, and each export The files are different. Although there is a probability that the characters can be accurately recognized and generated, the operation and post-editing are still very troublesome.
Use the scanning function to scan the text on the kindle (small font 2)
First recognition result:
Text section enlarged 170%
The top of the recognition results can be seen on the left side of the kindle's protective shell is also used as a scanning object to display the picture, the right screen content is editable text, but because the 499 version kindle screen resolution is not high, set the font is also small, The recognition effect is not ideal, there are many errors that need to be modified.
Second recognition result:
Text section enlarged 170%
The second recognition removes the protective case and only recognizes the text in the screen, but the recognition rate is still not ideal and there are many garbled characters and errors.
Set the kindle text to a small number 3 and identify again:
Recognition result text enlarged 170% 
The result of this recognition is text only. Here, you can directly zoom in. You can see that the recognition rate has improved slightly, but there are still many misidentified English letters and texts.
Continuing to increase the kindle font again to number 4 from the smallest to the largest, which is basically bigger than the size of most common fonts on most magazine books.
However, in the above two figures, the recognition result still has a protective shell image, and there are still a small number of English letters and errors in the recognized text.
Here I think, is it because I did not set the shooting size to only the screen. Image information outside the screen affects the recognition of the text on the screen? So will set the shooting format to the screen size,
First of all I tried to use automatic edge detection to let the software automatically recognize the screen, but the result is:
Marquee dances magically on the protective sleeve, as many times as you try, using custom edges.
Shooting box content zoom:
Recognition result:
In addition to the two "inside" being identified as "M" and one of the rare characters in the text that is not in the same typeface, the "å—" (may not have this word in the font) is identified as "%", other characters There are also many mistakes. The recognition result is not ideal.
If you need to play once every time you identify at work, you will undoubtedly have a great impact on work efficiency, and it is also prone to mistakes after proofreading. However, I think the above recognition errors are related to the screen resolution of the 499 kindle itself and the screen color of the gray screen. The text on a plain paper book or magazine is much clearer than it, and the paper must be white, and the contrast is much better. high. So he changed the paper reader magazine to experiment again.
Because the paper is more white, after adjusting the exposure, select the text to start recognizing. The size of the text in the image is the same as the font size of the Kindle 3 font. Take a picture of the text in the marquee:
Recognition result:
Looking at only two paragraphs, I found that there were many mistakes. Identified many times in succession and there were many errors, missing, and garbled characters.
The suspicion is that the excessive density of the magazine leads to a decrease in the recognition rate, and it is not reconciled. It is identified again with the one-page text of the suspect's devotion. The font size is the same as that of the magazine. However, the typesetting is much more difficult. During the recognition process, the page is pressed by hand. To prevent the paper from appearing deformed and causing the recognition rate to decrease:
Picture inside the box
Recognition result:
As shown in the figure, there is still an error, but it is slightly less than the previous few times.
After several attempts, it can be seen that the accuracy of the recognition and conversion of large segments of text in this scanner is not very high, and more or less errors occur in each recognition. When global recognition is performed, there is a probability that Non-white-black characters, scanned text, and fonts of different colors and sizes are converted to non-editable images.
The probability of text recognition error has a lot to do with the font, size, and typesetting density of the text in the scanned object. Small text, typesetting density, recognition rate will decline.
However, compared with many OCR character recognition apps on mobile phones, the recognition rate has been improved as a tool for converting picture texts into editable texts, and the recognition results can be directly imported into computers and opened with multiple document formats. Improve work efficiency. However, it still takes some time to check the correction. Of course, in addition to text recognition, some daily routines such as certificates and documents are taken out and converted into PDF format in picture format, which is more than enough for this 10 million-pixel camera.
Simply put the advantages and disadvantages of this Jieyu Gaopai instrument:
Advantages: 1, 10 million in the relatively affordable price 2, a more clear photo effects 3, features more rich, text recognition can use multiple formats to export, you can directly create PDF
Disadvantages: 1, fill cold and dark side of the light, a strobe 2, the fuselage does not have a power switch, connected to the computer after the computer boot, fill light can only be bright 3, text recognition rate to be improved.
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Portable Power Banks
Gaming Devices
Remote Controls
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