Advice 1: How to remove grey background

Often when scanning the documentation background of the obtained image becomes gray. This complicates detection and other follow-up work with text. There are ways to clean such documents in format pdf and djvu.
How to remove grey background
You will need
  • program ScanKromsator.
Instruction
1
Download and install the program ScanKromsator to remove the grey backgroundand the scans. You can do this by going to the official website of the manufacturer of the program djvu-soft.narod.ru/soft/#scan. Select an application version and click the link "Download".
2
Install the software on the computer to remove the grey background with a djvu or pdf file, open it in the program. Go to settings, applications, check the box next to options Enhance image, then click on the button Gray enhance, instead you can also use the grief I feel key B.
3
Install settings clean backgroundand tab Background cleaner. Set the Cleaner passes equal to one to remove the background of the scan. If the document is very little color contrast between the backgroundω and a text, in this case, the check box must be selected next to the parameter Correct low contrast, it will allow you to choose the sensitivity of the recognition of textual information on the background ofE.
4
Start with a value of 20-25, and consistently decrease at 5. After Chromator will remove the background from the scanned image, it will check the presence of text, which contrast against the backgroundcolor ovomu greater than or equal to the specified threshold. If such a value is found, the color of this point will not change or will be replaced with pure black.
5
Navigate to the Quality tab, click Enhance, set the Cleaner passes equal to one. Next, uncheck the option Protect black pixels. Make available to scan the illustrations, filled with gray area Exclude to protect from damage.
6
Preview of cleaning the grey backgroundand using the Preview button with the resample tab Quality. Adjust the Sensitivity (five to thirty) to achieve the removal of the background. The more contrast between letters and backgroundof om, the more set the value of this parameter. Go to window Protect black and turn it off.

Advice 2 : How to remove noise in the head

Noise in the head is not an independent diagnosis, it is just a manifestation of a disease: degenerative disc disease, atherosclerosis, hypertension, brain tumors, etc. taking up treatment, you will get rid of this unpleasant symptom.
How to remove noise in the head
You will need
  • - chondroprotectors;
  • - preparations of 3-omega polyunsaturated fatty acids;
  • - antihypertensives.
Instruction
1
Take the treatment of cervical degenerative disc disease in the case if the addition of noise in the head you are concerned about neck pain, numbness in the fingers, dizziness and headaches. Take a group of drugs chondroprotectors (hondrolon, structum, etc.). Perform regular set of exercises designed specifically for patients with cervical osteochondrosis.
2
Look closely at yourself in the mirror. If you look older than your years, the facial skin in the eye area you have a small light yellow platform, and the iris of the eye surrounds the light grey thin arch, then take the treatment of atherosclerosis. Eliminate from the diet fatty foods, sweets, meats and spices. Replace them with fish and vegetables. Take drugs 3-omega polyunsaturated fatty acids "Aeroblock", "Vitrum cardio omega-3", etc.
3
Measure the blood pressure. If the noise in ears appears in the background of hypertension, use of antihypertensive drugs. To find out what medication will help to reduce the pressure in your case, consult your therapist.
4
Go Doppler (Doppler ultrasound) of vessels of head and neck. Perhaps the reason for the appearance of noise is the narrowing of arteries or arteriovenous shunts. If the findings are abnormal, refer them to a vascular surgeon.
5
Carefully clean the ears. Noise in the head may be due to accumulation of earwax, which swells during water treatment and puts pressure on the walls of the ear canal.
6
Read information about all the medications you take regularly. Some drugs have ototoxic effects, i.e. they are able to cause hearing loss by damaging the sensitive cells of the inner ear. During the treatment of them in the ears can be a whistling, clicking and other noises appearing even in silence. Refrain from taking these drugs and contact a doctor.
7
Go magnetic rezonansnoe imaging (MRI) of the brain and spine to exclude neoplasms. Often the noise in the head may be a manifestation of the tumor.
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